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annotate lwasm/instab.h @ 502:14a40f8bb4eb

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Add various operators to lwcc Add various binary and ternary operators to lwcc, but only those which can work with constant operands. Seems like variables are probably required next.
author William Astle <lost@l-w.ca>
date Wed, 25 Sep 2019 20:23:49 -0600
parents e97f9a302c6a
children a584b9ddffc4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 instab.h
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3 Copyright © 2008 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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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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21 Contains definitions for the instruction table
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22 */
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23
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24 #ifndef __instab_h_seen__
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25 #define __instab_h_seen__
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26
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27 #include "lwasm.h"
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29 typedef struct
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30 {
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31 char *opcode; /* the mneumonic */
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32 int ops[4]; /* opcode values for up to four addr modes */
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33 void (*parse)(asmstate_t *as, line_t *l, char **optr); /* parse operand for insn */
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34 void (*resolve)(asmstate_t *as, line_t *l, int force); /* resolve instruction to code */
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35 void (*emit)(asmstate_t *as, line_t *l); /* resolve instruction to code */
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36 int flags; /* flag for this instruction */
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37 } instab_t;
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38
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39 enum
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40 {
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41 lwasm_insn_cond = 1, /* conditional instruction */
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42 lwasm_insn_endm = 1 << 1, /* end of macro */
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43 lwasm_insn_setsym = 1 << 2, /* insn sets symbol address */
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44 lwasm_insn_is6309 = 1 << 3, /* insn is 6309 only */
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45 lwasm_insn_struct = 1 << 4, /* insn allowed in a struct */
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46 lwasm_insn_setdata = 1 << 5, /* insn uses the data address for symbols */
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47 lwasm_insn_is6800 = 1 << 6, /* insn is a 6800 compatibility operation */
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48 lwasm_insn_is6809 = 1 << 7, /* insn is 6809 only */
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49 lwasm_insn_is6809conv = 1 << 8, /* insn is 6809 convenience only */
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50 lwasm_insn_is6309conv = 1 << 9, /* insn is 6309 convenience only */
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51 lwasm_insn_isemuext = 1 << 10, /* insn is an emulator extension */
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52 lwasm_insn_normal = 0
0
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53 };
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56 #define PARSEFUNC(fn) void (fn)(asmstate_t *as, line_t *l, char **p)
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57 #define RESOLVEFUNC(fn) void (fn)(asmstate_t *as, line_t *l, int force)
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58 #define EMITFUNC(fn) void (fn)(asmstate_t *as, line_t *l)
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59
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60 extern instab_t instab[];
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61
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62 #endif //__instab_h_seen__