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More instruction set stuff
git-svn-id: svn://svn.cc65.org/cc65/trunk@2247 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz
parent
3bb059bfc5
commit
0192932e2c
@ -394,6 +394,15 @@ void DoConditionals (void)
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IfCond = GetCurrentIfCond ();
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break;
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case TOK_IFPSC02:
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D = AllocIf (".IFPSC02", 1);
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NextTok ();
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if (IfCond) {
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SetIfCond (D, GetCPU() == CPU_65SC02);
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}
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IfCond = GetCurrentIfCond ();
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break;
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case TOK_IFREF:
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D = AllocIf (".IFREF", 1);
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NextTok ();
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@ -217,6 +217,83 @@ static const struct {
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}
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};
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/* Instruction table for the 65C02 */
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#define INS_COUNT_65C02 66
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static const struct {
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unsigned Count;
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InsDesc Ins[INS_COUNT_65C02];
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} InsTab65C02 = {
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INS_COUNT_65C02,
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{
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{ "ADC", 0x080A66C, 0x60, 0, PutAll },
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{ "AND", 0x080A66C, 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", 0x0A0006C, 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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{ "BRA", 0x0020000, 0x80, 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", 0x080A66C, 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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{ "DEA", 0x0000001, 0x00, 3, PutAll }, /* == DEC */
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{ "DEC", 0x000006F, 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", 0x080A66C, 0x40, 0, PutAll },
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{ "INA", 0x0000001, 0x00, 4, PutAll }, /* == INC */
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{ "INC", 0x000006f, 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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{ "JMP", 0x0010808, 0x4c, 6, PutAll },
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{ "JSR", 0x0000008, 0x20, 7, PutAll },
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{ "LDA", 0x080A66C, 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", 0x080A66C, 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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{ "PHX", 0x0000001, 0xda, 0, PutAll },
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{ "PHY", 0x0000001, 0x5a, 0, PutAll },
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{ "PLA", 0x0000001, 0x68, 0, PutAll },
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{ "PLP", 0x0000001, 0x28, 0, PutAll },
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{ "PLX", 0x0000001, 0xfa, 0, PutAll },
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{ "PLY", 0x0000001, 0x7a, 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", 0x080A66C, 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", 0x000A66C, 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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{ "STZ", 0x000006c, 0x04, 5, PutAll },
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{ "TAX", 0x0000001, 0xaa, 0, PutAll },
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{ "TAY", 0x0000001, 0xa8, 0, PutAll },
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{ "TRB", 0x000000c, 0x10, 1, PutAll },
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{ "TSB", 0x000000c, 0x00, 1, 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 65816 */
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#define INS_COUNT_65816 101
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static const struct {
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@ -340,11 +417,10 @@ static const struct {
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static const InsTable* InsTabs[CPU_COUNT] = {
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(const InsTable*) &InsTab6502,
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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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#ifdef SUNPLUS
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(const InsTable*) &InsTabSunPlus,
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#else
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NULL,
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#endif
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};
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const InsTable* InsTab = (const InsTable*) &InsTab6502;
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@ -1250,6 +1250,14 @@ static void DoProc (void)
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static void DoPSC02 (void)
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/* Switch to 65SC02 CPU */
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{
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SetCPU (CPU_65SC02);
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}
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static void DoPushSeg (void)
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/* Push the current segment onto the segment stack */
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{
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@ -1383,6 +1391,24 @@ static void DoSegment (void)
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static void DoSetCPU (void)
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/* Switch the CPU instruction set */
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{
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/* We expect an identifier */
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if (Tok != TOK_STRCON) {
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ErrorSkip (ERR_STRCON_EXPECTED);
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} else {
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/* Try to find the CPU, then skip the identifier */
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cpu_t CPU = FindCPU (SVal);
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NextTok ();
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/* Switch to the new CPU */
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SetCPU (CPU);
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}
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}
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static void DoSmart (void)
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/* Smart mode on/off */
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{
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@ -1522,6 +1548,7 @@ static CtrlDesc CtrlCmdTab [] = {
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{ ccKeepToken, DoConditionals }, /* .IFP02 */
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{ ccKeepToken, DoConditionals }, /* .IFP816 */
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{ ccKeepToken, DoConditionals }, /* .IFPC02 */
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{ ccKeepToken, DoConditionals }, /* .IFPSC02 */
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{ ccKeepToken, DoConditionals }, /* .IFREF */
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{ ccNone, DoImport },
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{ ccNone, DoImportZP },
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@ -1547,6 +1574,7 @@ static CtrlDesc CtrlCmdTab [] = {
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{ ccNone, DoPC02 },
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{ ccNone, DoPopSeg },
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{ ccNone, DoProc },
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{ ccNone, DoPSC02 },
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{ ccNone, DoPushSeg },
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{ ccNone, DoUnexpected }, /* .REFERENCED */
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{ ccNone, DoReloc },
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@ -1555,6 +1583,7 @@ static CtrlDesc CtrlCmdTab [] = {
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{ ccNone, DoInvalid }, /* .RIGHT */
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{ ccNone, DoROData },
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{ ccNone, DoSegment },
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{ ccNone, DoSetCPU },
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{ ccNone, DoSmart },
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{ ccNone, DoUnexpected }, /* .STRAT */
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{ ccNone, DoUnexpected }, /* .STRING */
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@ -185,6 +185,7 @@ struct DotKeyword {
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{ ".IFP02", TOK_IFP02 },
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{ ".IFP816", TOK_IFP816 },
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{ ".IFPC02", TOK_IFPC02 },
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{ ".IFPSC02", TOK_IFPSC02 },
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{ ".IFREF", TOK_IFREF },
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{ ".IMPORT", TOK_IMPORT },
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{ ".IMPORTZP", TOK_IMPORTZP },
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@ -215,6 +216,7 @@ struct DotKeyword {
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{ ".PC02", TOK_PC02 },
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{ ".POPSEG", TOK_POPSEG },
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{ ".PROC", TOK_PROC },
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{ ".PSC02", TOK_PSC02 },
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{ ".PUSHSEG", TOK_PUSHSEG },
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{ ".REF", TOK_REFERENCED },
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{ ".REFERENCED", TOK_REFERENCED },
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@ -224,6 +226,7 @@ struct DotKeyword {
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{ ".RIGHT", TOK_RIGHT },
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{ ".RODATA", TOK_RODATA },
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{ ".SEGMENT", TOK_SEGMENT },
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{ ".SETCPU", TOK_SETCPU },
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{ ".SHL", TOK_SHL },
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{ ".SHR", TOK_SHR },
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{ ".SMART", TOK_SMART },
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@ -171,6 +171,7 @@ enum Token {
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TOK_IFP02,
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TOK_IFP816,
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TOK_IFPC02,
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TOK_IFPSC02,
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TOK_IFREF,
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TOK_IMPORT,
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TOK_IMPORTZP,
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@ -196,6 +197,7 @@ enum Token {
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TOK_PC02,
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TOK_POPSEG,
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TOK_PROC,
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TOK_PSC02,
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TOK_PUSHSEG,
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TOK_REFERENCED,
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TOK_RELOC,
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@ -204,6 +206,7 @@ enum Token {
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TOK_RIGHT,
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TOK_RODATA,
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TOK_SEGMENT,
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TOK_SETCPU,
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TOK_SMART,
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TOK_STRAT,
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TOK_STRING,
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