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337
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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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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 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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28
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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); /* resolve instruction to code */
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35 int flags; /* flag for this instruction */
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36 } instab_t;
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37
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38 enum
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39 {
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40 lwasm_insn_normal = 0,
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41 lwasm_insn_cond = 1, /* conditional instruction */
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42 lwasm_insn_endm = 2, /* end of macro */
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43 lwasm_insn_setsym = 4, /* insn sets symbol address */
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44 lwasm_insn_is6309 = 8 /* insn is 6309 only */
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45 };
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46
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47
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48 #define PARSEFUNC(fn) void (fn)(asmstate_t *as, line_t *l, char **p)
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49 #define RESOLVEFUNC(fn) void (fn)(asmstate_t *as, line_t *l)
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50
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51 #ifndef __instab_c_seen__
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52 extern instab_t instab[];
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53 #endif //__instab_c_seen__
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54
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55 #endif //__instab_h_seen__
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