LWTools Old Repo: src/insn

annotate src/insn_gen.c @ 33:74a3fef7c8d0

Added general addressing modes (immediate, base page, extended, indexed)

author	lost
date	Fri, 02 Jan 2009 05:02:47 +0000
parents	34568fab6058
children	b29eec6f3819

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
57495da01900 Initial checking of LWASM lost parents: diff changeset	22 #include <ctype.h>
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	23 #include <stdlib.h>
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	24
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	25 #include "lwasm.h"
57495da01900 Initial checking of LWASM lost parents: diff changeset	26 #include "instab.h"
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	27 #include "expr.h"
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	28
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	29 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	30
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	31 void insn_gen_aux(asmstate_t as, lwasm_line_t l, char **optr, int opnum)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	32 {
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	33 int b1 = -1, b2 = -1, b3 = -1;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	34
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	35 const char *optr2;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	36 int v1, tv, rval;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	37 lwasm_expr_stack_t *s;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	38 int f8 = 0;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	39 int f16 = 0;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	40
57495da01900 Initial checking of LWASM lost parents: diff changeset	41 optr2 = *optr;
57495da01900 Initial checking of LWASM lost parents: diff changeset	42 while (optr2 && !isspace(optr2) && *optr2 != ',') optr2++
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	43 /* do nothing */ ;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	44
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	45 if (optr2 != ',' && *optr != '[')
57495da01900 Initial checking of LWASM lost parents: diff changeset	46 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	47 // not indexed
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	48 if (l -> fsize == 1)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	49 f8 = 1;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	50 else if (l -> fsize == 2)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	51 f16 = 1;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	52
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	53 if (**optr == '<')
57495da01900 Initial checking of LWASM lost parents: diff changeset	54 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	55 (*optr)++;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	56 f8 = 1;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	57 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	58 else if (**optr == '>')
57495da01900 Initial checking of LWASM lost parents: diff changeset	59 {
57495da01900 Initial checking of LWASM lost parents: diff changeset	60 (*optr)++;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	61 f16 = 1;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	62 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	63 s = lwasm_expr_eval(*optr, NULL);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	64 if (!s)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	65 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	66 register_error(as, l, 1, "Bad expression");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	67 return;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	68 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	69 if (!lwasm_expr_is_constant(s))
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	70 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	71 f16 = 1;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	72 l -> fsize = 2;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	73 register_error(as, l, 2, "Incomplete reference");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	74 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	75 v1 = lwasm_expr_get_value(s);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	76 lwasm_expr_stack_free(s);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	77
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	78 if (f8 \|\| (!f16 && v1 >= -128 && v1 <= 255))
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	79 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	80 v1 = v1 & 0xffff;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	81 tv = v1 - ((as -> dpval) << 8);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	82 if (tv < 0 \|\| tv > 0xff)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	83 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	84 register_error(as, l, 2, "Byte overflow");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	85 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	86 v1 = v1 & 0xff;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	87 lwasm_emitop(as, l, instab[opnum].ops[0]);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	88 lwasm_emit(as, l, v1 & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	89 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	90 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	91 else
57495da01900 Initial checking of LWASM lost parents: diff changeset	92 {
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	93 // everything else is 16 bit....
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	94 lwasm_emitop(as, l, instab[opnum].ops[2]);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	95 lwasm_emit(as, l, v1 >> 8);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	96 lwasm_emit(as, l, v1 & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	97 return;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	98 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	99 }
57495da01900 Initial checking of LWASM lost parents: diff changeset	100
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	101 lwasm_emitop(as, l, instab[opnum].ops[1]);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	102 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	103 if (b1 != -1)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	104 lwasm_emit(as, l, b1);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	105 if (b2 != -1)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	106 lwasm_emit(as, l, b2);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	107 if (b3 != -1)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	108 lwasm_emit(as, l, b3);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	109 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	110 }
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 // 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	113 OPFUNC(insn_gen0)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	114 {
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	115 if (**p == '#')
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	116 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	117 register_error(as, l, 1, "Immediate mode not allowed");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	118 return;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	119 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	120
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	121 // handle non-immediate
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	122 insn_gen_aux(as, l, p, opnum);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	123 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	124
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	125 OPFUNC(insn_gen8)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	126 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	127 lwasm_expr_stack_t *s;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	128 int rval;
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	129
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	130 if (**p == '#')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	131 {
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	132 lwasm_emitop(as, l, instab[opnum].ops[3]);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	133 (*p)++;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	134 s = lwasm_expr_eval(*p, NULL);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	135 if (!s)
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	136 {
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	137 register_error(as, l, 1, "Bad expression");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	138 rval = 0;
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	139 }
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	140 else
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	141 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	142 if (!lwasm_expr_is_constant(s))
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	143 register_error(as, l, 2, "Incomplete reference");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	144 rval = lwasm_expr_get_value(s);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	145 lwasm_expr_stack_free(s);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	146 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	147 if (rval < -128 \|\| rval > 255)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	148 register_error(as, l, 2, "Byte overflow");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	149 lwasm_emit(as, l, rval & 0xff);
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	150 return;
57495da01900 Initial checking of LWASM lost parents: diff changeset	151 }
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	152
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	153 insn_gen_aux(as, l, p, opnum);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	154 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	155
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	156 OPFUNC(insn_gen16)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	157 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	158 lwasm_expr_stack_t *s;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	159 int rval;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	160
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	161 if (**p == '#')
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	162 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	163 lwasm_emitop(as, l, instab[opnum].ops[3]);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	164 (*p)++;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	165 s = lwasm_expr_eval(*p, NULL);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	166 if (!s)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	167 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	168 register_error(as, l, 1, "Bad expression");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	169 rval = 0;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	170 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	171 else
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 if (!lwasm_expr_is_constant(s))
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	174 register_error(as, l, 2, "Incomplete reference");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	175 rval = lwasm_expr_get_value(s);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	176 lwasm_expr_stack_free(s);
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 lwasm_emit(as, l, (rval >> 8) & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	179 lwasm_emit(as, l, rval & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	180 return;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	181 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	182
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	183 insn_gen_aux(as, l, p, opnum);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	184 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	185
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	186 OPFUNC(insn_gen32)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	187 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	188 lwasm_expr_stack_t *s;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	189 int rval;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	190
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	191 if (**p == '#')
0 57495da01900 Initial checking of LWASM lost parents: diff changeset	192 {
33 74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	193 lwasm_emitop(as, l, instab[opnum].ops[3]);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	194 (*p)++;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	195 s = lwasm_expr_eval(*p, NULL);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	196 if (!s)
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 register_error(as, l, 1, "Bad expression");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	199 rval = 0;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	200 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	201 else
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	202 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	203 if (!lwasm_expr_is_constant(s))
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	204 register_error(as, l, 2, "Incomplete reference");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	205 rval = lwasm_expr_get_value(s);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	206 lwasm_expr_stack_free(s);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	207 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	208 lwasm_emit(as, l, (rval >> 24) & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	209 lwasm_emit(as, l, (rval >> 16) & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	210 lwasm_emit(as, l, (rval >> 8) & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	211 lwasm_emit(as, l, rval & 0xff);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	212 return;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	213 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	214
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	215 insn_gen_aux(as, l, p, opnum);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	216 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	217
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	218 OPFUNC(insn_imm8)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	219 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	220 lwasm_expr_stack_t *s;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	221 int rval;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	222
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	223 if (**p == '#')
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 lwasm_emitop(as, l, instab[opnum].ops[0]);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	226 (*p)++;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	227 s = lwasm_expr_eval(*p, NULL);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	228 if (!s)
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	229 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	230 register_error(as, l, 1, "Bad expression");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	231 rval = 0;
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	232 }
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	233 else
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	234 {
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	235 if (!lwasm_expr_is_constant(s))
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	236 register_error(as, l, 2, "Incomplete reference");
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	237 rval = lwasm_expr_get_value(s);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	238 lwasm_expr_stack_free(s);
74a3fef7c8d0 Added general addressing modes (immediate, base page, extended, indexed) lost parents: 4 diff changeset	239 }
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 src/insn_gen.c @ 33:74a3fef7c8d0