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Add 6502X cpu
git-svn-id: svn://svn.cc65.org/cc65/trunk@3017 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz
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@ -146,6 +146,74 @@ static const struct {
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}
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};
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/* Instruction table for the 6502 with illegal instructions */
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#define INS_COUNT_6502X 57
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static const struct {
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unsigned Count;
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InsDesc Ins[INS_COUNT_6502X];
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} InsTab6502X = {
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INS_COUNT_6502X,
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{
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{ "ADC", 0x080A26C, 0x60, 0, PutAll },
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{ "AND", 0x080A26C, 0x20, 0, PutAll },
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{ "ASL", 0x000006e, 0x02, 1, PutAll },
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{ "BCC", 0x0020000, 0x90, 0, PutPCRel8 },
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{ "BCS", 0x0020000, 0xb0, 0, PutPCRel8 },
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{ "BEQ", 0x0020000, 0xf0, 0, PutPCRel8 },
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{ "BIT", 0x000000C, 0x00, 2, PutAll },
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{ "BMI", 0x0020000, 0x30, 0, PutPCRel8 },
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{ "BNE", 0x0020000, 0xd0, 0, PutPCRel8 },
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{ "BPL", 0x0020000, 0x10, 0, PutPCRel8 },
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{ "BRK", 0x0000001, 0x00, 0, PutAll },
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{ "BVC", 0x0020000, 0x50, 0, PutPCRel8 },
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{ "BVS", 0x0020000, 0x70, 0, PutPCRel8 },
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{ "CLC", 0x0000001, 0x18, 0, PutAll },
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{ "CLD", 0x0000001, 0xd8, 0, PutAll },
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{ "CLI", 0x0000001, 0x58, 0, PutAll },
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{ "CLV", 0x0000001, 0xb8, 0, PutAll },
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{ "CMP", 0x080A26C, 0xc0, 0, PutAll },
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{ "CPX", 0x080000C, 0xe0, 1, PutAll },
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{ "CPY", 0x080000C, 0xc0, 1, PutAll },
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{ "DEC", 0x000006C, 0x00, 3, PutAll },
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{ "DEX", 0x0000001, 0xca, 0, PutAll },
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{ "DEY", 0x0000001, 0x88, 0, PutAll },
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{ "EOR", 0x080A26C, 0x40, 0, PutAll },
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{ "INC", 0x000006c, 0x00, 4, PutAll },
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{ "INX", 0x0000001, 0xe8, 0, PutAll },
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{ "INY", 0x0000001, 0xc8, 0, PutAll },
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{ "JAM", 0x0000001, 0x02, 0, PutAll }, /* X */
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{ "JMP", 0x0000808, 0x4c, 6, PutJMP },
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{ "JSR", 0x0000008, 0x20, 7, PutAll },
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{ "LDA", 0x080A26C, 0xa0, 0, PutAll },
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{ "LDX", 0x080030C, 0xa2, 1, PutAll },
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{ "LDY", 0x080006C, 0xa0, 1, PutAll },
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{ "LSR", 0x000006F, 0x42, 1, PutAll },
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{ "NOP", 0x0000001, 0xea, 0, PutAll },
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{ "ORA", 0x080A26C, 0x00, 0, PutAll },
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{ "PHA", 0x0000001, 0x48, 0, PutAll },
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{ "PHP", 0x0000001, 0x08, 0, PutAll },
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{ "PLA", 0x0000001, 0x68, 0, PutAll },
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{ "PLP", 0x0000001, 0x28, 0, PutAll },
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{ "ROL", 0x000006F, 0x22, 1, PutAll },
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{ "ROR", 0x000006F, 0x62, 1, PutAll },
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{ "RTI", 0x0000001, 0x40, 0, PutAll },
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{ "RTS", 0x0000001, 0x60, 0, PutAll },
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{ "SBC", 0x080A26C, 0xe0, 0, PutAll },
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{ "SEC", 0x0000001, 0x38, 0, PutAll },
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{ "SED", 0x0000001, 0xf8, 0, PutAll },
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{ "SEI", 0x0000001, 0x78, 0, PutAll },
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{ "STA", 0x000A26C, 0x80, 0, PutAll },
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{ "STX", 0x000010c, 0x82, 1, PutAll },
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{ "STY", 0x000002c, 0x80, 1, PutAll },
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{ "TAX", 0x0000001, 0xaa, 0, PutAll },
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{ "TAY", 0x0000001, 0xa8, 0, PutAll },
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{ "TSX", 0x0000001, 0xba, 0, PutAll },
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{ "TXA", 0x0000001, 0x8a, 0, PutAll },
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{ "TXS", 0x0000001, 0x9a, 0, PutAll },
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{ "TYA", 0x0000001, 0x98, 0, PutAll }
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}
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};
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/* Instruction table for the 65SC02 */
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#define INS_COUNT_65SC02 66
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static const struct {
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@ -454,6 +522,7 @@ static const struct {
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/* An array with instruction tables */
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static const InsTable* InsTabs[CPU_COUNT] = {
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(const InsTable*) &InsTab6502,
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(const InsTable*) &InsTab6502X,
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(const InsTable*) &InsTab65SC02,
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(const InsTable*) &InsTab65C02,
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(const InsTable*) &InsTab65816,
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@ -483,7 +552,7 @@ unsigned char EATab [9][AMI_COUNT] = {
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0x00, 0x00, 0x24, 0x2C, 0x0F, 0x34, 0x3C, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x89, 0x00, 0x00,
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0x00
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0x00
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},
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{ /* Table 3 */
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0x3A, 0x3A, 0xC6, 0xCE, 0x00, 0xD6, 0xDE, 0x00,
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@ -6,7 +6,7 @@
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/* */
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/* */
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/* */
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/* (C) 1998-2003 Ullrich von Bassewitz */
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/* (C) 1998-2004 Ullrich von Bassewitz */
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/* Römerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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@ -186,15 +186,17 @@ static char MacCBM[] =
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/* CPU defines */
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static char MacCPU[] =
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"CPU_ISET_6502 = $01\n"
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"CPU_ISET_65SC02 = $02\n"
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"CPU_ISET_65C02 = $04\n"
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"CPU_ISET_65816 = $08\n"
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"CPU_ISET_SUNPLUS = $10\n"
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"CPU_6502 = $01\n"
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"CPU_65SC02 = $03\n"
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"CPU_65C02 = $07\n"
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"CPU_65816 = $0F\n"
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"CPU_SUNPLUS = $10\n";
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"CPU_ISET_6502X = $02\n"
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"CPU_ISET_65SC02 = $04\n"
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"CPU_ISET_65C02 = $08\n"
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"CPU_ISET_65816 = $10\n"
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"CPU_ISET_SUNPLUS = $20\n"
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"CPU_6502 = CPU_ISET_6502\n"
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"CPU_6502X = CPU_ISET_6502|CPU_ISET_6502X\n"
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"CPU_65SC02 = CPU_ISET_6502|CPU_ISET_65SC02\n"
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"CPU_65C02 = CPU_ISET_6502|CPU_ISET_65SC02|CPU_ISET_65C02\n"
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"CPU_65816 = CPU_ISET_6502|CPU_ISET_65SC02|CPU_ISET_65816\n"
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"CPU_SUNPLUS = CPU_ISET_SUNPLUS\n";
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@ -6,7 +6,7 @@
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/* */
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/* */
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/* */
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/* (C) 1998-2003 Ullrich von Bassewitz */
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/* (C) 1998-2004 Ullrich von Bassewitz */
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/* Römerstraße 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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@ -167,6 +167,7 @@ void g_preamble (void)
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/* If we're producing code for some other CPU, switch the command set */
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switch (CPU) {
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case CPU_6502: AddTextLine ("\t.setcpu\t\t\"6502\""); break;
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case CPU_6502X: AddTextLine ("\t.setcpu\t\t\"6502X\""); break;
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case CPU_65SC02: AddTextLine ("\t.setcpu\t\t\"65SC02\""); break;
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case CPU_65C02: AddTextLine ("\t.setcpu\t\t\"65C02\""); break;
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case CPU_65816: AddTextLine ("\t.setcpu\t\t\"65816\""); break;
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@ -397,7 +397,7 @@ static void OptCPU (const char* Opt, const char* Arg)
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{
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/* Find the CPU from the given name */
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CPU = FindCPU (Arg);
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if (CPU != CPU_6502 && CPU != CPU_65SC02 &&
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if (CPU != CPU_6502 && CPU != CPU_6502X && CPU != CPU_65SC02 &&
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CPU != CPU_65C02 && CPU != CPU_65816) {
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AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
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}
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