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annotate lwasm/insn_indexed.c @ 465:7370a67caf7e

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Fix really dumb code generation error The previous commit caused some unforuntate code generation errors. Fixed those. Also made the heuristic for guessing that 8 bit is okay for PCR allow a fudge factor so that some corner cases are much less likely to explode.
author William Astle <lost@l-w.ca>
date Wed, 28 Feb 2018 23:31:17 -0700
parents 9134f6426c57
children 51bed8c8dc53
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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1 /*
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2 insn_indexed.c
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3 Copyright © 2009 William Astle
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4
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5 This file is part of LWASM.
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6
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7 LWASM is free software: you can redistribute it and/or modify it under the
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8 terms of the GNU General Public License as published by the Free Software
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9 Foundation, either version 3 of the License, or (at your option) any later
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10 version.
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11
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12 This program is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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15 more details.
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16
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17 You should have received a copy of the GNU General Public License along with
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18 this program. If not, see <http://www.gnu.org/licenses/>.
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19 */
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20
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21 /*
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22 for handling indexed mode instructions
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23 */
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24
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25 #include <ctype.h>
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26 #include <string.h>
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27
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28 #include <lw_expr.h>
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29
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30 #include "lwasm.h"
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31 #include "instab.h"
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32
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33 /*
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34 l -> lint: size of operand (0, 1, 2, -1 if not determined)
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35 l -> pb: actual post byte (from "resolve" stage) or info passed
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36 forward to the resolve stage (if l -> line is -1); 0x80 is indir
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37 bits 0-2 are register number
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38 */
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39 void insn_parse_indexed_aux(asmstate_t *as, line_t *l, char **p)
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40 {
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41 static const char *regs9 = "X Y U S PCRPC ";
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42 static const char *regs = "X Y U S W PCRPC ";
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43 int i, rn;
0
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44 int indir = 0;
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45 int f0 = 0;
0
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46 const char *reglist;
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47 lw_expr_t e;
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48 char *tstr;
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49
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50
367
c6d2a1f54e0c Change processor target variations to pragmas.
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51 if (CURPRAGMA(l, PRAGMA_6809))
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52 {
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53 reglist = regs9;
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54 }
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55 else
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56 {
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57 reglist = regs;
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58 }
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59 // is it indirect?
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60 if (**p == '[')
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61 {
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62 indir = 1;
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63 (*p)++;
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64 }
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65 lwasm_skip_to_next_token(l, p);
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66 if (**p == ',')
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67 {
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68 int incdec = 0;
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69 /* we have a pre-dec, post-inc, or no offset mode here */
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70 (*p)++;
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71 lwasm_skip_to_next_token(l, p);
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72 if (**p == '-')
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73 {
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74 incdec = -1;
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75 (*p)++;
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76 if (**p == '-')
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77 {
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78 incdec = -2;
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79 (*p)++;
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80 }
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81 lwasm_skip_to_next_token(l, p);
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82 }
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83 /* allowed registers: X, Y, U, S, or W (6309) */
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84 switch (**p)
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85 {
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86 case 'x':
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87 case 'X':
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88 rn = 0;
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89 break;
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90
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91 case 'y':
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92 case 'Y':
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93 rn = 1;
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94 break;
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95
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96 case 'u':
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97 case 'U':
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98 rn = 2;
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99 break;
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100
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101 case 's':
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102 case 'S':
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103 rn = 3;
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104 break;
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105
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106 case 'w':
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107 case 'W':
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108 if (CURPRAGMA(l, PRAGMA_6809))
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109 {
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110 lwasm_register_error(as, l, E_OPERAND_BAD);
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111 return;
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112 }
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113 rn = 4;
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114 break;
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115
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116 default:
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117 lwasm_register_error(as, l, E_OPERAND_BAD);
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118 return;
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119 }
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120 (*p)++;
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121 lwasm_skip_to_next_token(l, p);
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122 if (**p == '+')
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123 {
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124 if (incdec != 0)
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125 {
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126 lwasm_register_error(as, l, E_OPERAND_BAD);
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127 return;
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128 }
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129 incdec = 1;
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130 (*p)++;
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131 if (**p == '+')
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132 {
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133 incdec = 2;
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134 (*p)++;
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135 }
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136 lwasm_skip_to_next_token(l, p);
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137 }
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138 if (indir)
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139 {
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140 if (**p != ']')
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141 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
142 lwasm_register_error(as, l, E_OPERAND_BAD);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
143 return;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
144 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
145 (*p)++;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
146 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
147 if (indir || rn == 4)
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
148 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
149 if (incdec == 1 || incdec == -1)
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
150 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
151 lwasm_register_error(as, l, E_OPERAND_BAD);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
152 return;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
153 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
154 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
155 if (rn == 4)
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
156 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
157 if (indir)
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
158 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
159 if (incdec == 0)
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
160 i = 0x90;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
161 else if (incdec == -2)
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
162 i = 0xF0;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
163 else
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
164 i = 0xD0;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
165 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
166 else
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
167 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
168 if (incdec == 0)
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
169 i = 0x8F;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
170 else if (incdec == -2)
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
171 i = 0xEF;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
172 else
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
173 i = 0xCF;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
174 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
175 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
176 else
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
177 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
178 switch (incdec)
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
179 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
180 case 0:
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
181 i = 0x84;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
182 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
183 case 1:
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
184 i = 0x80;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
185 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
186 case 2:
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
187 i = 0x81;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
188 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
189 case -1:
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
190 i = 0x82;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
191 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
192 case -2:
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
193 i = 0x83;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
194 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
195 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
196 i = (rn << 5) | i | (indir << 4);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
197 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
198 l -> pb = i;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
199 l -> lint = 0;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
200 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
201 }
402
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
202 i = toupper(**p);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
203 if (
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
204 (i == 'A' || i == 'B' || i == 'D') ||
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
205 (!CURPRAGMA(l, PRAGMA_6809) && (i == 'E' || i == 'F' || i == 'W'))
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
206 )
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
207 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
208 tstr = *p + 1;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
209 lwasm_skip_to_next_token(l, &tstr);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
210 if (*tstr == ',')
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
211 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
212 *p = tstr + 1;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
213 lwasm_skip_to_next_token(l, p);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
214 switch (**p)
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
215 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
216 case 'x':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
217 case 'X':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
218 rn = 0;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
219 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
220
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
221 case 'y':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
222 case 'Y':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
223 rn = 1;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
224 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
225
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
226 case 'u':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
227 case 'U':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
228 rn = 2;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
229 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
230
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
231 case 's':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
232 case 'S':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
233 rn = 3;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
234 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
235
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
236 default:
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
237 lwasm_register_error(as, l, E_OPERAND_BAD);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
238 return;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
239 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
240 (*p)++;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
241 lwasm_skip_to_next_token(l, p);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
242 if (indir)
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
243 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
244 if (**p != ']')
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
245 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
246 lwasm_register_error(as, l, E_OPERAND_BAD);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
247 return;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
248 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
249 (*p)++;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
250 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
251
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
252 switch (i)
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
253 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
254 case 'A':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
255 i = 0x86;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
256 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
257
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
258 case 'B':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
259 i = 0x85;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
260 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
261
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
262 case 'D':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
263 i = 0x8B;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
264 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
265
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
266 case 'E':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
267 i = 0x87;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
268 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
269
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
270 case 'F':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
271 i = 0x8A;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
272 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
273
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
274 case 'W':
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
275 i = 0x8E;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
276 break;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
277 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
278 l -> pb = i | (indir << 4) | (rn << 5);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
279 l -> lint = 0;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
280 return;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
281 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
282 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
283
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
284 /* we have the "expression" types now */
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
285 if (**p == '<')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
286 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
287 l -> lint = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
288 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
289 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
290 else if (**p == '>')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
291 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
292 l -> lint = 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
293 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
294 }
402
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
295 lwasm_skip_to_next_token(l, p);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
296 if (**p == '0')
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
297 {
402
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
298 tstr = *p + 1;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
299 lwasm_skip_to_next_token(l, &tstr);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
300 if (*tstr == ',')
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
301 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
302 f0 = 1;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
303 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
304 }
402
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
305
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
306 // now we have to evaluate the expression
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
307 e = lwasm_parse_expr(as, p);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
308 if (!e)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
309 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 367
diff changeset
310 lwasm_register_error(as, l, E_OPERAND_BAD);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
311 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
312 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
313 lwasm_save_expr(l, 0, e);
402
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
314
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
315 if (**p != ',')
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
316 {
402
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
317 /* if no comma, we have extended indirect */
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
318 if (l -> lint == 1 || **p != ']')
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
319 {
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
320 lwasm_register_error(as, l, E_OPERAND_BAD);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
321 return;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
322 }
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
323 (*p)++;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
324 l -> lint = 2;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
325 l -> pb = 0x9F;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
326 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
327 }
402
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
328 (*p)++;
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
329 lwasm_skip_to_next_token(l, p);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
330 // now get the register
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
331 rn = lwasm_lookupreg3(reglist, p);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
332 if (rn < 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
333 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 367
diff changeset
334 lwasm_register_error(as, l, E_REGISTER_BAD);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
335 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
336 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
337
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
338 if (indir)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
339 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
340 if (**p != ']')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
341 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 367
diff changeset
342 lwasm_register_error(as, l, E_OPERAND_BAD);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
343 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
344 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
345 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
346 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
347 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
348
130
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
349 if (rn <= 3)
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
350 {
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
351 // X,Y,U,S
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
352 if (l -> lint == 1)
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
353 {
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
354 l -> pb = 0x88 | (rn << 5) | (indir ? 0x10 : 0);
131
f2f3a4b0a25e Fix fix for forced index offset sizes
lost@l-w.ca
parents: 130
diff changeset
355 return;
130
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
356 }
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
357 else if (l -> lint == 2)
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
358 {
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
359 l -> pb = 0x89 | (rn << 5) | (indir ? 0x10 : 0);
131
f2f3a4b0a25e Fix fix for forced index offset sizes
lost@l-w.ca
parents: 130
diff changeset
360 return;
130
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
361 }
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
362 }
50d86baf4ea2 Fixed code generation bug with forced-size offsets from X,Y,U,S
lost@l-w.ca
parents: 129
diff changeset
363
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
364 // nnnn,W is only 16 bit (or 0 bit)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
365 if (rn == 4)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
366 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
367 if (l -> lint == 1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
368 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 367
diff changeset
369 lwasm_register_error(as, l, E_NW_8);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
370 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
371 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
372
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
373 if (l -> lint == 2)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
374 {
138
57c0210d578c Fix error with postbyte for constant offset from W modes
lost@l-w.ca
parents: 131
diff changeset
375 l -> pb = indir ? 0xb0 : 0xaf;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
376 l -> lint = 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
377 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
378 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
379
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
380 l -> pb = (0x80 * indir) | rn;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
381
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
382 /* [,w] and ,w
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
383 if (indir)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
384 *b1 = 0x90;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
385 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
386 *b1 = 0x8f;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
387 */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
388 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
389 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
390
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
391 // PCR? then we have PC relative addressing (like B??, LB??)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
392 if (rn == 5 || (rn == 6 && CURPRAGMA(l, PRAGMA_PCASPCR)))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
393 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
394 lw_expr_t e1, e2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
395 // external references are handled exactly the same as for
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
396 // relative addressing modes
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
397 // on pass 1, adjust the expression for a subtraction of the
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
398 // current address
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
399 // e - (addr + linelen) => e - addr - linelen
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
400
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
401 e2 = lw_expr_build(lw_expr_type_special, lwasm_expr_linelen, l);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
402 e1 = lw_expr_build(lw_expr_type_oper, lw_expr_oper_minus, e, e2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
403 lw_expr_destroy(e2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
404 e2 = lw_expr_build(lw_expr_type_oper, lw_expr_oper_minus, e1, l -> addr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
405 lw_expr_destroy(e1);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
406 lwasm_save_expr(l, 0, e2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
407 if (l -> lint == 1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
408 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
409 l -> pb = indir ? 0x9C : 0x8C;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
410 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
411 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
412 if (l -> lint == 2)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
413 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
414 l -> pb = indir ? 0x9D : 0x8D;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
415 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
416 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
417 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
418
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
419 if (rn == 6)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
420 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
421 if (l -> lint == 1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
422 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
423 l -> pb = indir ? 0x9C : 0x8C;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
424 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
425 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
426 if (l -> lint == 2)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
427 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
428 l -> pb = indir ? 0x9D : 0x8D;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
429 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
430 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
431 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
432
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
433 l -> pb = (indir * 0x80) | rn | (f0 * 0x40);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
434 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
435
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
436 PARSEFUNC(insn_parse_indexed)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
437 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
438 l -> lint = -1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
439 insn_parse_indexed_aux(as, l, p);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
440
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
441 if (l -> lint != -1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
442 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
443 l -> len = OPLEN(instab[l -> insn].ops[0]) + l -> lint + 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
444 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
445 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
446
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
447 void insn_resolve_indexed_aux(asmstate_t *as, line_t *l, int force, int elen)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
448 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
449 // here, we have an expression which needs to be
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
450 // resolved; the post byte is determined here as well
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
451 lw_expr_t e, e2;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
452 int pb = -1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
453 int v;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
454
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
455 if (l -> len != -1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
456 return;
131
f2f3a4b0a25e Fix fix for forced index offset sizes
lost@l-w.ca
parents: 130
diff changeset
457
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
458 e = lwasm_fetch_expr(l, 0);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
459 if (!lw_expr_istype(e, lw_expr_type_int))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
460 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
461 // temporarily set the instruction length to see if we get a
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
462 // constant for our expression; if so, we can select an instruction
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
463 // size
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
464 e2 = lw_expr_copy(e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
465 // magic 2 for 8 bit (post byte + offset)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
466 l -> len = OPLEN(instab[l -> insn].ops[0]) + elen + 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
467 lwasm_reduce_expr(as, e2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
468 // l -> len += 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
469 // e3 = lw_expr_copy(e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
470 // lwasm_reduce_expr(as, e3);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
471 l -> len = -1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
472 if (lw_expr_istype(e2, lw_expr_type_int))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
473 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
474 v = lw_expr_intval(e2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
475 // we have a reducible expression here which depends on
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
476 // the size of this instruction
109
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
477 if (v == 0 && !CURPRAGMA(l, PRAGMA_NOINDEX0TONONE) && (l -> pb & 0x07) <= 4)
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
478 {
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
479 if ((l -> pb & 0x07) < 4)
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
480 {
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
481 pb = 0x84 | ((l -> pb & 0x03) << 5) | ((l -> pb & 0x80) ? 0x10 : 0);
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
482 }
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
483 else
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
484 {
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
485 pb = (l -> pb & 0x80) ? 0x90 : 0x8F;
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
486 }
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
487 l -> pb = pb;
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
488 lw_expr_destroy(e2);
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
489 l -> lint = 0;
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
490 return;
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
491 }
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
492 else if (v < -128 || v > 127)
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
493 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
494 l -> lint = 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
495 switch (l -> pb & 0x07)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
496 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
497 case 0:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
498 case 1:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
499 case 2:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
500 case 3:
45
c42d6dc7df68 Fixed code generation error with indirect indexing using 8 or 16 bit offsets from X,Y,U,S
lost@l-w.ca
parents: 2
diff changeset
501 pb = 0x89 | ((l -> pb & 0x03) << 5) | ((l -> pb & 0x80) ? 0x10 : 0);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
502 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
503
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
504 case 4: // W
138
57c0210d578c Fix error with postbyte for constant offset from W modes
lost@l-w.ca
parents: 131
diff changeset
505 pb = (l -> pb & 0x80) ? 0xB0 : 0xAF;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
506 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
507
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
508 case 5: // PCR
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
509 case 6: // PC
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
510 pb = (l -> pb & 0x80) ? 0x9D : 0x8D;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
511 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
512 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
513
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
514 l -> pb = pb;
91
95181f1ad183 Really fix memory leaks
lost@l-w.ca
parents: 90
diff changeset
515 lw_expr_destroy(e2);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
516 // lw_expr_destroy(e3);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
517 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
518 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
519 else if ((l -> pb & 0x80) || ((l -> pb & 0x07) > 3) || v < -16 || v > 15)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
520 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
521 // if not a 5 bit value, is indirect, or is not X,Y,U,S
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
522 l -> lint = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
523 switch (l -> pb & 0x07)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
524 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
525 case 0:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
526 case 1:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
527 case 2:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
528 case 3:
45
c42d6dc7df68 Fixed code generation error with indirect indexing using 8 or 16 bit offsets from X,Y,U,S
lost@l-w.ca
parents: 2
diff changeset
529 pb = 0x88 | ((l -> pb & 0x03) << 5) | ((l -> pb & 0x80) ? 0x10 : 0);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
530 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
531
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
532 case 4: // W
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
533 // use 16 bit because W doesn't have 8 bit, unless 0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
534 if (v == 0 && !(CURPRAGMA(l, PRAGMA_NOINDEX0TONONE) || l -> pb & 0x40))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
535 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
536 pb = (l -> pb & 0x80) ? 0x90 : 0x8F;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
537 l -> lint = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
538 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
539 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
540 {
138
57c0210d578c Fix error with postbyte for constant offset from W modes
lost@l-w.ca
parents: 131
diff changeset
541 pb = (l -> pb & 0x80) ? 0xB0 : 0xAF;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
542 l -> lint = 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
543 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
544 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
545
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
546 case 5: // PCR
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
547 case 6: // PC
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
548 pb = (l -> pb & 0x80) ? 0x9C : 0x8C;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
549 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
550 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
551
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
552 l -> pb = pb;
91
95181f1ad183 Really fix memory leaks
lost@l-w.ca
parents: 90
diff changeset
553 lw_expr_destroy(e2);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
554 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
555 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
556 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
557 {
131
f2f3a4b0a25e Fix fix for forced index offset sizes
lost@l-w.ca
parents: 130
diff changeset
558 // we have X,Y,U,S and a possible 5 bit here
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
559 l -> lint = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
560
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
561 if (v == 0 && !(CURPRAGMA(l, PRAGMA_NOINDEX0TONONE) || l -> pb & 0x40))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
562 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
563 pb = (l -> pb & 0x03) << 5 | 0x84;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
564 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
565 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
566 {
131
f2f3a4b0a25e Fix fix for forced index offset sizes
lost@l-w.ca
parents: 130
diff changeset
567 pb = ((l -> pb & 0x03) << 5) | (v & 0x1F);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
568 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
569 l -> pb = pb;
91
95181f1ad183 Really fix memory leaks
lost@l-w.ca
parents: 90
diff changeset
570 lw_expr_destroy(e2);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
571 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
572 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
573 }
464
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
574 else
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
575 {
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
576 if ((l -> pb & 0x07) == 5 || (l -> pb & 0x07) == 6)
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
577 {
465
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
578 // NOTE: this will break in some particularly obscure corner cases
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
579 // which are not likely to show up in normal code. Notably, if, for
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
580 // some reason, the target gets *farther* away if shorter addressing
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
581 // modes are chosen, which should only happen if the symbol is before
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
582 // the instruction in the source file and there is some sort of ORG
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
583 // statement or similar in between which forces the address of this
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
584 // instruction, and the differences happen to cross the 8 bit boundary.
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
585 // For this reason, we use a heuristic and allow a margin on the 8
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
586 // bit boundary conditions.
464
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
587 v = as -> pretendmax;
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
588 as -> pretendmax = 1;
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
589 lwasm_reduce_expr(as, e2);
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
590 as -> pretendmax = v;
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
591 v = lw_expr_intval(e2);
465
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
592 // Actual range is -128 <= offset <= 127; we're allowing a fudge
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
593 // factor of 25 or so bytes so that we're less likely to accidentally
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
594 // cross into the 16 bit boundary in weird corner cases.
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
595 if (v >= -100 || v <= 100)
464
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
596 {
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
597 l -> lint = 1;
465
7370a67caf7e Fix really dumb code generation error
William Astle <lost@l-w.ca>
parents: 464
diff changeset
598 l -> pb = (l -> pb & 0x80) ? 0x9C : 0x8C;
464
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
599 return;
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
600 }
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
601 }
9134f6426c57 Fix think-o in PCR optimization fix from previous commit
William Astle <lost@l-w.ca>
parents: 463
diff changeset
602 }
91
95181f1ad183 Really fix memory leaks
lost@l-w.ca
parents: 90
diff changeset
603 lw_expr_destroy(e2);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
604 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
605
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
606 if (lw_expr_istype(e, lw_expr_type_int))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
607 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
608 // we know how big it is
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
609 v = lw_expr_intval(e);
402
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
610
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
611 if (v == 0 && !CURPRAGMA(l, PRAGMA_NOINDEX0TONONE) && (l -> pb & 0x07) <= 4 && ((l -> pb & 0x40) == 0))
109
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
612 {
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
613 if ((l -> pb & 0x07) < 4)
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
614 {
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
615 pb = 0x84 | ((l -> pb & 0x03) << 5) | ((l -> pb & 0x80) ? 0x10 : 0);
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
616 }
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
617 else
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
618 {
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
619 pb = (l -> pb & 0x80) ? 0x90 : 0x8F;
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
620 }
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
621 l -> pb = pb;
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
622 l -> lint = 0;
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
623 return;
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
624 }
6a919c3ca0e9 Fixed pragma noindex0tonone to work
lost@l-w.ca
parents: 91
diff changeset
625 else if (v < -128 || v > 127)
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
626 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
627 do16bit:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
628 l -> lint = 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
629 switch (l -> pb & 0x07)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
630 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
631 case 0:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
632 case 1:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
633 case 2:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
634 case 3:
45
c42d6dc7df68 Fixed code generation error with indirect indexing using 8 or 16 bit offsets from X,Y,U,S
lost@l-w.ca
parents: 2
diff changeset
635 pb = 0x89 | (l -> pb & 0x03) << 5 | ((l -> pb & 0x80) ? 0x10 : 0);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
636 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
637
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
638 case 4: // W
138
57c0210d578c Fix error with postbyte for constant offset from W modes
lost@l-w.ca
parents: 131
diff changeset
639 pb = (l -> pb & 0x80) ? 0xB0 : 0xAF;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
640 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
641
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
642 case 5: // PCR
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
643 case 6: // PC
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
644 pb = (l -> pb & 0x80) ? 0x9D : 0x8D;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
645 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
646 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
647
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
648 l -> pb = pb;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
649 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
650 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
651 else if ((l -> pb & 0x80) || ((l -> pb & 0x07) > 3) || v < -16 || v > 15)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
652 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
653 // if not a 5 bit value, is indirect, or is not X,Y,U,S
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
654 l -> lint = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
655 switch (l -> pb & 0x07)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
656 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
657 case 0:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
658 case 1:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
659 case 2:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
660 case 3:
45
c42d6dc7df68 Fixed code generation error with indirect indexing using 8 or 16 bit offsets from X,Y,U,S
lost@l-w.ca
parents: 2
diff changeset
661 pb = 0x88 | (l -> pb & 0x03) << 5 | ((l -> pb & 0x80) ? 0x10 : 0);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
662 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
663
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
664 case 4: // W
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
665 // use 16 bit because W doesn't have 8 bit, unless 0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
666 if (v == 0 && !(CURPRAGMA(l, PRAGMA_NOINDEX0TONONE) || l -> pb & 0x40))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
667 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
668 pb = (l -> pb & 0x80) ? 0x90 : 0x8F;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
669 l -> lint = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
670 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
671 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
672 {
138
57c0210d578c Fix error with postbyte for constant offset from W modes
lost@l-w.ca
parents: 131
diff changeset
673 pb = (l -> pb & 0x80) ? 0xB0 : 0xAF;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
674 l -> lint = 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
675 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
676 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
677
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
678 case 5: // PCR
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
679 case 6: // PC
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
680 pb = (l -> pb & 0x80) ? 0x9C : 0x8C;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
681 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
682 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
683
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
684 l -> pb = pb;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
685 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
686 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
687 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
688 {
131
f2f3a4b0a25e Fix fix for forced index offset sizes
lost@l-w.ca
parents: 130
diff changeset
689 // we have X,Y,U,S and a possible 5 bit here
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
690 l -> lint = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
691
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
692 if (v == 0 && !(CURPRAGMA(l, PRAGMA_NOINDEX0TONONE) || l -> pb & 0x40))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
693 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
694 pb = (l -> pb & 0x03) << 5 | 0x84;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
695 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
696 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
697 {
131
f2f3a4b0a25e Fix fix for forced index offset sizes
lost@l-w.ca
parents: 130
diff changeset
698 pb = ((l -> pb & 0x03) << 5) | (v & 0x1F);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
699 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
700 l -> pb = pb;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
701 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
702 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
703 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
704 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
705 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
706 // we don't know how big it is
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
707 if (!force)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
708 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
709 // force 16 bit if we don't know
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
710 l -> lint = 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
711 goto do16bit;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
712 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
713 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
714
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
715 RESOLVEFUNC(insn_resolve_indexed)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
716 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
717 if (l -> lint == -1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
718 insn_resolve_indexed_aux(as, l, force, 0);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
719
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
720 if (l -> lint != -1 && l -> pb != -1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
721 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
722 l -> len = OPLEN(instab[l -> insn].ops[0]) + l -> lint + 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
723 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
724 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
725
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
726 void insn_emit_indexed_aux(asmstate_t *as, line_t *l)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
727 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
728 lw_expr_t e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
729
283
210d261a614d Make byte overflow detection for indexing work better
William Astle <lost@l-w.ca>
parents: 282
diff changeset
730 if (l -> lint == 1)
282
3c421f24c9b8 Make <...,PCR complain on byte overflows
William Astle <lost@l-w.ca>
parents: 243
diff changeset
731 {
3c421f24c9b8 Make <...,PCR complain on byte overflows
William Astle <lost@l-w.ca>
parents: 243
diff changeset
732 int i;
3c421f24c9b8 Make <...,PCR complain on byte overflows
William Astle <lost@l-w.ca>
parents: 243
diff changeset
733 e = lwasm_fetch_expr(l, 0);
3c421f24c9b8 Make <...,PCR complain on byte overflows
William Astle <lost@l-w.ca>
parents: 243
diff changeset
734 i = lw_expr_intval(e);
3c421f24c9b8 Make <...,PCR complain on byte overflows
William Astle <lost@l-w.ca>
parents: 243
diff changeset
735 if (i < -128 || i > 127)
3c421f24c9b8 Make <...,PCR complain on byte overflows
William Astle <lost@l-w.ca>
parents: 243
diff changeset
736 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 367
diff changeset
737 lwasm_register_error(as, l, E_BYTE_OVERFLOW);
282
3c421f24c9b8 Make <...,PCR complain on byte overflows
William Astle <lost@l-w.ca>
parents: 243
diff changeset
738 }
3c421f24c9b8 Make <...,PCR complain on byte overflows
William Astle <lost@l-w.ca>
parents: 243
diff changeset
739 }
3c421f24c9b8 Make <...,PCR complain on byte overflows
William Astle <lost@l-w.ca>
parents: 243
diff changeset
740
458
3948c874901b Make offset,R operand size warning work properly
William Astle <lost@l-w.ca>
parents: 455
diff changeset
741 // exclude expr,W since that can only be 16 bits
3948c874901b Make offset,R operand size warning work properly
William Astle <lost@l-w.ca>
parents: 455
diff changeset
742 if (l -> lint == 2 && CURPRAGMA(l, PRAGMA_OPERANDSIZE) && (l -> pb != 0xAF && l -> pb != 0xB0))
455
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
743 {
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
744 int offs;
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
745 e = lwasm_fetch_expr(l, 0);
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
746 if (lw_expr_istype(e, lw_expr_type_int))
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
747 {
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
748 offs = lw_expr_intval(e);
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
749 if ((offs >= -128 && offs <= 127) || offs >= 0xFF80)
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
750 {
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
751 lwasm_register_error(as, l, W_OPERAND_SIZE);
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
752 }
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
753 }
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
754 }
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 402
diff changeset
755
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
756 lwasm_emitop(l, instab[l -> insn].ops[0]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
757 lwasm_emitop(l, l -> pb);
376
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 370
diff changeset
758
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 370
diff changeset
759 l -> cycle_adj = lwasm_cycle_calc_ind(l);
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 370
diff changeset
760
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
761 if (l -> lint > 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
762 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
763 e = lwasm_fetch_expr(l, 0);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
764 lwasm_emitexpr(l, e, l -> lint);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
765 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
766 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
767
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
768 EMITFUNC(insn_emit_indexed)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
769 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
770 insn_emit_indexed_aux(as, l);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
771 }