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annotate lwasm/instab.h @ 385:4fd16faa4d93

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Add various "convenience" ops These are things like "NEGD" in 6809 mode or NEGQ in 6309 mode. These require either 6809conv or 6309conv pragmas. Also fix a problem with "CPX" in the 6800 mode. Thanks to Erik G <erik@6809.org> for the patch.
author William Astle <lost@l-w.ca>
date Mon, 13 Jul 2015 21:26:34 -0600
parents 8e25147c2aa8
children e97f9a302c6a
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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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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_normal = 0
0
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52 };
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55 #define PARSEFUNC(fn) void (fn)(asmstate_t *as, line_t *l, char **p)
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56 #define RESOLVEFUNC(fn) void (fn)(asmstate_t *as, line_t *l, int force)
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57 #define EMITFUNC(fn) void (fn)(asmstate_t *as, line_t *l)
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58
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59 extern instab_t instab[];
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61 #endif //__instab_h_seen__