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comparison src/instab.h @ 13:05d4115b4860

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Started work on new expression evaluator system and major code re-work for next release
author lost
date Wed, 22 Oct 2008 04:51:16 +0000
parents 34568fab6058
children 3b818f05dc2a
comparison
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5:287a6905a63c 13:05d4115b4860
19 19
20 20
21 Contains definitions for the instruction table 21 Contains definitions for the instruction table
22 */ 22 */
23 23
24 #include "lwasm.h"
25
26 #ifndef __instab_h_seen__
27 #define __instab_h_seen__
28
29 #define INSTYPE_INH 0 /* inherent addressing */
30 #define INSTYPE_GEN 1 /* general addressing modes */
31 #define INSTYPE_GEN8 2 /* general addressing, 8 bit immed */
32 #define INSTYPE_GENNOIMM 3 /* no immediate addressing */
33 #define INSTYPE_RTOR 4 /* register to register */
34 #define INSTYPE_RLIST 5 /* register list */
35 #define INSTYPE_REL8 6 /* relative addressing */
36 #define INSTYPE_REL16 7 /* 16 bit relative addressing */
37 #define INSTYPE_INDEX 8 /* indexed mode only */
38 #define INSTYPE_IMM8 9 /* immediate only 8 bit (andcc, cwai) */
39 #define INSTYPE_LOGICMEM 10 /* aim/oim/eim/tim */
40 #define INSTYPE_BITBIT 11 /* bit to bit ops */
41 #define INSTYPE_TFM 12 /* TFM ops */
42 #define INSTYPE_GEN32 13 /* general addressing, 32 bit immed */
43 #define INSTYPE_PSEUDO 14 /* special handling, pseudo op */
44
45 #define SPECIAL_EQU 1 /* equ */
46 #define SPECIAL_ORG 2 /* org */
47 #define SPECIAL_SETDP 3
48 #define SPECIAL_FCB 4
49 #define SPECIAL_FDB 5
50 #define SPECIAL_FQB 6
51 #define SPECIAL_FCC 7
52 #define SPECIAL_FCS 8
53 #define SPECIAL_FCN 9
54 #define SPECIAL_RMB 10
55 #define SPECIAL_ALIGN 11
56 #define SPECIAL_END 12
57 #define SPECIAL_INCLUDE 13
58 #define SPECIAL_ENDM 14
59 #define SPECIAL_ENDC 15
60 #define SPECIAL_MACRO 16
61 #define SPECIAL_COND 17
62 #define SPECIAL_ELSE 18
63
64 typedef struct 24 typedef struct
65 { 25 {
66 char *opcode; /* the mneumonic */ 26 char *opcode; /* the mneumonic */
67 int ops[4]; /* opcode values for up to four addr modes */ 27 int ops[4]; /* opcode values for up to four addr modes */
68 int instype; /* type of instruction (see above) */ 28 void (*p1fn)(asmstate_t *as, sourceline_t *cl, char **optr);
69 int specialnum; /* type of special instruction */ 29 void (*p2fn)(asmstate_t *as, sourceline_t *cl, char **optr);
70 void (*opfn)(asmstate_t *as, sourceline_t *cl, char **optr);
71 } instab_t; 30 } instab_t;
72 31
73 #ifndef __instab_c_seen__ 32 #ifndef __instab_c_seen__
74 extern instab_t instab[]; 33 extern instab_t instab[];
75 #endif //__instab_c_seen__ 34 #endif //__instab_c_seen__