LWTools Old Repo: lwasm/insn

annotate lwasm/insn_gen.c @ 276:23034db7dd8a 2.5

fixed expression 'slots' to not store null on a pass 1 store

author	lost
date	Mon, 31 Aug 2009 08:39:36 +0000
parents	7803d2d09993
children

rev	line source
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	1 /*
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	2 insn_gen.c, Copyright © 2009 William Astle
4 34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	3
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	4 This file is part of LWASM.
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	5
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	6 LWASM is free software: you can redistribute it and/or modify it under the
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	7 terms of the GNU General Public License as published by the Free Software
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	8 Foundation, either version 3 of the License, or (at your option) any later
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	9 version.
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	10
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	11 This program is distributed in the hope that it will be useful, but WITHOUT
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	14 more details.
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	15
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	16 You should have received a copy of the GNU General Public License along with
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	17 this program. If not, see <http://www.gnu.org/licenses/>.
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	18
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	19 Contains code for parsing general addressing modes (IMM+DIR+EXT+IND)
34568fab6058 Fixed package to include all required files; also added copyright preamble to all source files lost parents: 0 diff changeset	20 */
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	21
212 bae1e3ecdce1 More preparation for gnulib integration lost parents: 204 diff changeset	22 #include <config.h>
bae1e3ecdce1 More preparation for gnulib integration lost parents: 204 diff changeset	23
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	24 #include <ctype.h>
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	25 #include <stdlib.h>
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	26
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	27 #include "lwasm.h"
57495da01900 Initial checking of LWASM lost parents: diff changeset	28 #include "instab.h"
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	29 #include "expr.h"
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	30
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	31 extern void insn_indexed_aux(asmstate_t as, lwasm_line_t l, const char *p, int b1, int b2, int b3);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	32
34 b29eec6f3819 Finished adding addressing mode handlers lost parents: 33 diff changeset	33 // "extra" is required due to the way OIM, EIM, TIM, and AIM work
b29eec6f3819 Finished adding addressing mode handlers lost parents: 33 diff changeset	34 void insn_gen_aux(asmstate_t as, lwasm_line_t l, char **optr, int opnum, int extra)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	35 {
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	36 int b1 = -1, b2 = -1, b3 = -1;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	37
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	38 const char *optr2;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	39 int v1, tv, rval;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	40 lwasm_expr_stack_t *s;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	41 int f8 = 0;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	42 int f16 = 0;
65 31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 62 diff changeset	43 int isdp = 0;
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	44
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	45 optr2 = *optr;
57495da01900 Initial checking of LWASM lost parents: diff changeset	46 while (optr2 && !isspace(optr2) && *optr2 != ',') optr2++
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	47 /* do nothing */ ;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	48
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	49 if (optr2 != ',' && *optr != '[')
57495da01900 Initial checking of LWASM lost parents: diff changeset	50 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	51 // not indexed
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	52 if (l -> fsize == 1)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	53 f8 = 1;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	54 else if (l -> fsize == 2)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	55 f16 = 1;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	56
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	57 if (**optr == '<')
57495da01900 Initial checking of LWASM lost parents: diff changeset	58 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	59 (*optr)++;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	60 f8 = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	61 }
163 2e6a1e914104 Added ability to use * as a direct page indicator lost parents: 151 diff changeset	62 // for compatibility with asxxxx
2e6a1e914104 Added ability to use * as a direct page indicator lost parents: 151 diff changeset	63 // * followed by a digit, alpha, or _, or ., or ?, or another * is "f8"
2e6a1e914104 Added ability to use * as a direct page indicator lost parents: 151 diff changeset	64 else if (*optr == '')
2e6a1e914104 Added ability to use * as a direct page indicator lost parents: 151 diff changeset	65 {
2e6a1e914104 Added ability to use * as a direct page indicator lost parents: 151 diff changeset	66 tv = (optr + 1);
2e6a1e914104 Added ability to use * as a direct page indicator lost parents: 151 diff changeset	67 if (isdigit(tv) \|\| isalpha(tv) \|\| tv == '_' \|\| tv == '.' \|\| tv == '?' \|\| tv == '@' \|\| tv == '*' \|\| tv == '+' \|\| tv == '-')
2e6a1e914104 Added ability to use * as a direct page indicator lost parents: 151 diff changeset	68 {
2e6a1e914104 Added ability to use * as a direct page indicator lost parents: 151 diff changeset	69 f8 = 1;
2e6a1e914104 Added ability to use * as a direct page indicator lost parents: 151 diff changeset	70 (*optr)++;
2e6a1e914104 Added ability to use * as a direct page indicator lost parents: 151 diff changeset	71 }
2e6a1e914104 Added ability to use * as a direct page indicator lost parents: 151 diff changeset	72 }
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	73 else if (**optr == '>')
57495da01900 Initial checking of LWASM lost parents: diff changeset	74 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	75 (*optr)++;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	76 f16 = 1;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	77 }
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	78 rval = lwasm_expr_result2(as, l, optr, 0, &v1, 0);
a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	79 if (rval != 0)
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	80 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	81 f16 = 1;
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	82 v1 = 0;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	83 l -> fsize = 2;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	84 }
65 31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 62 diff changeset	85
31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 62 diff changeset	86 if (((v1 >> 8) & 0xff) == (as -> dpval & 0xff))
31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 62 diff changeset	87 isdp = 1;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	88
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	89 // disallow non-explicit DP in obj target
a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	90 if (as -> outformat == OUTPUT_OBJ && !f8)
a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	91 f16 = 1;
a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	92
65 31d8e85706e7 Implemented setdp and corrected handling of direct page detection in insn_gen_aux() lost parents: 62 diff changeset	93 if (f8 \|\| (!f16 && isdp))
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	94 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	95 v1 = v1 & 0xffff;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	96 tv = v1 - ((as -> dpval) << 8);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	97 if (tv < 0 \|\| tv > 0xff)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	98 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	99 register_error(as, l, 2, "Byte overflow");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	100 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	101 v1 = v1 & 0xff;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	102 lwasm_emitop(as, l, instab[opnum].ops[0]);
34 b29eec6f3819 Finished adding addressing mode handlers lost parents: 33 diff changeset	103 if (extra != -1)
b29eec6f3819 Finished adding addressing mode handlers lost parents: 33 diff changeset	104 lwasm_emit(as, l, extra);
204 048ebb85f6ef Added 8 bit external references for base page addressing mode lost parents: 163 diff changeset	105 l -> relocoff = as -> addr - l -> codeaddr;
048ebb85f6ef Added 8 bit external references for base page addressing mode lost parents: 163 diff changeset	106 l -> reloc8bit = 1;
220 2b254f02b252 Fixed off by one relocation offset for direct page external references lost parents: 212 diff changeset	107 lwasm_emit(as, l, v1 & 0xff);
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	108 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	109 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	110 else
57495da01900 Initial checking of LWASM lost parents: diff changeset	111 {
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	112 // everything else is 16 bit....
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	113 lwasm_emitop(as, l, instab[opnum].ops[2]);
34 b29eec6f3819 Finished adding addressing mode handlers lost parents: 33 diff changeset	114 if (extra != -1)
b29eec6f3819 Finished adding addressing mode handlers lost parents: 33 diff changeset	115 lwasm_emit(as, l, extra);
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	116 l -> relocoff = as -> addr - l -> codeaddr;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	117 lwasm_emit(as, l, v1 >> 8);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	118 lwasm_emit(as, l, v1 & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	119 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	120 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	121 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	122
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	123 lwasm_emitop(as, l, instab[opnum].ops[1]);
34 b29eec6f3819 Finished adding addressing mode handlers lost parents: 33 diff changeset	124 if (extra != -1)
b29eec6f3819 Finished adding addressing mode handlers lost parents: 33 diff changeset	125 lwasm_emit(as, l, extra);
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	126 insn_indexed_aux(as, l, (const char **)optr, &b1, &b2, &b3);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	127 if (b1 != -1)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	128 lwasm_emit(as, l, b1);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	129 if (b2 != -1)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	130 lwasm_emit(as, l, b2);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	131 if (b3 != -1)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	132 lwasm_emit(as, l, b3);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	133 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	134 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	135
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	136 // the various insn_gen? functions have an immediate mode of ? bits
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	137 OPFUNC(insn_gen0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	138 {
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	139 if (**p == '#')
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	140 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	141 register_error(as, l, 1, "Immediate mode not allowed");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	142 return;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	143 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	144
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	145 // handle non-immediate
34 b29eec6f3819 Finished adding addressing mode handlers lost parents: 33 diff changeset	146 insn_gen_aux(as, l, p, opnum, -1);
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	147 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	148
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	149 OPFUNC(insn_gen8)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	150 {
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	151 int rval;
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	152 int r;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	153
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	154 if (**p == '#')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	155 {
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	156 lwasm_emitop(as, l, instab[opnum].ops[3]);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	157 (*p)++;
98 81fc353d4d69 Cleaned up old lwasm_expr_result() function and unused EXPR_* flags lost parents: 77 diff changeset	158 r = lwasm_expr_result2(as, l, p, 0, &rval, 0);
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	159 if (r != 0)
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	160 rval = 0;
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	161 if (r == 1 && as -> passnum == 2)
222 7803d2d09993 Allow 8 bit immediate operands to be external references lost parents: 220 diff changeset	162 {
7803d2d09993 Allow 8 bit immediate operands to be external references lost parents: 220 diff changeset	163 l -> relocoff = as -> addr - l -> codeaddr;
7803d2d09993 Allow 8 bit immediate operands to be external references lost parents: 220 diff changeset	164 l -> reloc8bit = 1;
7803d2d09993 Allow 8 bit immediate operands to be external references lost parents: 220 diff changeset	165 }
7803d2d09993 Allow 8 bit immediate operands to be external references lost parents: 220 diff changeset	166 // register_error(as, l, 2, "Illegal external or intersegment reference");
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	167 lwasm_emit(as, l, rval & 0xff);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	168 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	169 }
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	170
34 b29eec6f3819 Finished adding addressing mode handlers lost parents: 33 diff changeset	171 insn_gen_aux(as, l, p, opnum, -1);
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	172 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	173
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	174 OPFUNC(insn_gen16)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	175 {
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	176 int rval, r;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	177
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	178 if (**p == '#')
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	179 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	180 lwasm_emitop(as, l, instab[opnum].ops[3]);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	181 (*p)++;
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	182
a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	183 r = lwasm_expr_result2(as, l, p, 0, &rval, 0);
a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	184 if (r != 0)
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	185 rval = 0;
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	186 if (r == 1 && as -> passnum == 2)
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	187 {
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	188 l -> relocoff = as -> addr - l -> codeaddr;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	189 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	190 lwasm_emit(as, l, (rval >> 8) & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	191 lwasm_emit(as, l, rval & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	192 return;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	193 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	194
34 b29eec6f3819 Finished adding addressing mode handlers lost parents: 33 diff changeset	195 insn_gen_aux(as, l, p, opnum, -1);
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	196 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	197
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	198 OPFUNC(insn_gen32)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	199 {
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	200 int r, rval;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	201
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	202 if (**p == '#')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	203 {
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	204 lwasm_emitop(as, l, instab[opnum].ops[3]);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	205 (*p)++;
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	206
a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	207 r = lwasm_expr_result2(as, l, p, 0, &rval, 0);
a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	208 if (r != 0)
a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	209 rval = 0;
a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	210 if (r == 1 && as -> passnum == 2)
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	211 {
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	212 register_error(as, l, 2, "Illegal external or intersegment reference");
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	213 }
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	214
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	215 lwasm_emit(as, l, (rval >> 24) & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	216 lwasm_emit(as, l, (rval >> 16) & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	217 lwasm_emit(as, l, (rval >> 8) & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	218 lwasm_emit(as, l, rval & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	219 return;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	220 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	221
34 b29eec6f3819 Finished adding addressing mode handlers lost parents: 33 diff changeset	222 insn_gen_aux(as, l, p, opnum, -1);
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	223 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	224
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	225 OPFUNC(insn_imm8)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	226 {
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	227 int r, rval;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	228
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	229 if (**p == '#')
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	230 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	231 lwasm_emitop(as, l, instab[opnum].ops[0]);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	232 (*p)++;
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	233
98 81fc353d4d69 Cleaned up old lwasm_expr_result() function and unused EXPR_* flags lost parents: 77 diff changeset	234 r = lwasm_expr_result2(as, l, p, 0, &rval, 0);
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	235 if (r != 0)
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	236 rval = 0;
77 a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	237 if (r == 1 && as -> passnum == 2)
a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	238 register_error(as, l, 2, "Illegal external or intersegment reference");
a338d496350e Checkpointing conversion to allow object target lost parents: 65 diff changeset	239
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	240 if (rval < -128 \|\| rval > 255)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	241 register_error(as, l, 2, "Byte overflow");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	242 lwasm_emit(as, l, rval & 0xff);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	243 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	244 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	245
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	246 register_error(as, l, 1, "Bad operand");
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	247 }

Mercurial > hg-old > index.cgi

annotate lwasm/insn_gen.c @ 276:23034db7dd8a 2.5