1 /*****************************************************************************/
5 /* CPU specifications */
9 /* (C) 2003-2011, Ullrich von Bassewitz */
10 /* Roemerstrasse 52 */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
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. */
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: */
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 */
32 /*****************************************************************************/
44 /*****************************************************************************/
46 /*****************************************************************************/
51 cpu_t CPU = CPU_UNKNOWN;
53 /* Table with target names */
54 const char* CPUNames[CPU_COUNT] = {
67 /* Tables with CPU instruction sets */
68 const unsigned CPUIsets[CPU_COUNT] = {
71 CPU_ISET_6502 | CPU_ISET_6502X,
72 CPU_ISET_6502 | CPU_ISET_65SC02,
73 CPU_ISET_6502 | CPU_ISET_65SC02 | CPU_ISET_65C02,
74 CPU_ISET_6502 | CPU_ISET_65SC02 | CPU_ISET_65C02 | CPU_ISET_65816,
77 CPU_ISET_6502 | CPU_ISET_65SC02 | CPU_ISET_65C02 | CPU_ISET_HUC6280,
78 CPU_ISET_6502 | CPU_ISET_M740,
83 /*****************************************************************************/
85 /*****************************************************************************/
89 int ValidAddrSizeForCPU (unsigned char AddrSize)
90 /* Check if the given address size is valid for the current CPU */
93 case ADDR_SIZE_DEFAULT:
94 /* Always supported */
98 /* Not supported by None and Sweet16 */
99 return (CPU != CPU_NONE && CPU != CPU_SWEET16);
102 /* Not supported by None */
103 return (CPU != CPU_NONE);
106 /* Only supported by 65816 */
107 return (CPU == CPU_65816);
110 /* Not supported by any CPU */
114 FAIL ("Invalid address size");
122 cpu_t FindCPU (const char* Name)
123 /* Find a CPU by name and return the target id. CPU_UNKNOWN is returned if
124 * the given name is no valid target.
129 /* Check all CPU names */
130 for (I = 0; I < CPU_COUNT; ++I) {
131 if (StrCaseCmp (CPUNames [I], Name) == 0) {