]> git.sur5r.net Git - cc65/blob - src/common/cpu.h
Added CPU instruction set encoding
[cc65] / src / common / cpu.h
1 /*****************************************************************************/
2 /*                                                                           */
3 /*                                   cpu.h                                   */
4 /*                                                                           */
5 /*                            CPU specifications                             */
6 /*                                                                           */
7 /*                                                                           */
8 /*                                                                           */
9 /* (C) 2003      Ullrich von Bassewitz                                       */
10 /*               Römerstrasse 52                                             */
11 /*               D-70794 Filderstadt                                         */
12 /* EMail:        uz@cc65.org                                                 */
13 /*                                                                           */
14 /*                                                                           */
15 /* This software is provided 'as-is', without any expressed or implied       */
16 /* warranty.  In no event will the authors be held liable for any damages    */
17 /* arising from the use of this software.                                    */
18 /*                                                                           */
19 /* Permission is granted to anyone to use this software for any purpose,     */
20 /* including commercial applications, and to alter it and redistribute it    */
21 /* freely, subject to the following restrictions:                            */
22 /*                                                                           */
23 /* 1. The origin of this software must not be misrepresented; you must not   */
24 /*    claim that you wrote the original software. If you use this software   */
25 /*    in a product, an acknowledgment in the product documentation would be  */
26 /*    appreciated but is not required.                                       */
27 /* 2. Altered source versions must be plainly marked as such, and must not   */
28 /*    be misrepresented as being the original software.                      */
29 /* 3. This notice may not be removed or altered from any source              */
30 /*    distribution.                                                          */
31 /*                                                                           */
32 /*****************************************************************************/
33
34
35
36 #ifndef CPU_H
37 #define CPU_H
38
39
40
41 /*****************************************************************************/
42 /*                                   Data                                    */
43 /*****************************************************************************/
44
45
46
47 /* CPUs */
48 typedef enum {
49     CPU_UNKNOWN = -1,           /* Not specified or invalid target */
50     CPU_6502,
51     CPU_65SC02,
52     CPU_65C02,
53     CPU_65816,
54     CPU_SUNPLUS,                /* Not in the freeware version - sorry */
55     CPU_COUNT                   /* Number of different CPUs */
56 } cpu_t;
57
58 /* CPU instruction sets */
59 enum {
60     CPU_ISET_6502       = 1 << CPU_6502,
61     CPU_ISET_65SC02     = 1 << CPU_65SC02,
62     CPU_ISET_65C02      = 1 << CPU_65C02,
63     CPU_ISET_65816      = 1 << CPU_65816,
64     CPU_ISET_SUNPLUS    = 1 << CPU_SUNPLUS
65 };
66
67 /* CPU used */
68 extern cpu_t CPU;
69
70 /* Table with CPU names */
71 extern const char* CPUNames[CPU_COUNT];
72
73 /* Table with CPU the instruction sets */
74 extern const unsigned CPUIsets[CPU_COUNT];
75
76
77
78 /*****************************************************************************/
79 /*                                   Code                                    */
80 /*****************************************************************************/
81
82
83
84 cpu_t FindCPU (const char* Name);
85 /* Find a CPU by name and return the target id. CPU_UNKNOWN is returned if
86  * the given name is no valid target.
87  */
88
89
90
91 /* End of cpu.h */
92
93 #endif
94
95
96