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206 lines
7.4 KiB
C
206 lines
7.4 KiB
C
#ifndef CpuModule_Internal_H
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#define CpuModule_Internal_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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// This header file defines the internal interfaces of the CPU module.
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extern void cpuMakeOpcodeTableForModel(void);
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extern void cpuCreateMulTimeTables(void);
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// StackFrameGen
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extern void cpuStackFrameGenerate(UWO vector_no, ULO pc);
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extern void cpuStackFrameInit(void);
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// Registers
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extern ULO cpu_sr; // Not static because the flags calculation uses it extensively
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extern BOOLE cpuGetFlagSupervisor(void);
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extern BOOLE cpuGetFlagMaster(void);
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extern void cpuSetUspDirect(ULO usp);
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extern ULO cpuGetUspDirect(void);
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extern ULO cpuGetUspAutoMap(void);
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extern void cpuSetSspDirect(ULO ssp);
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extern ULO cpuGetSspDirect(void);
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extern ULO cpuGetSspAutoMap(void);
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extern void cpuSetMspDirect(ULO msp);
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extern ULO cpuGetMspDirect(void);
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extern ULO cpuGetMspAutoMap(void);
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extern void cpuSetMspAutoMap(ULO new_msp);
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extern ULO cpuGetIspAutoMap(void);
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extern void cpuSetIspAutoMap(ULO new_isp);
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extern void cpuSetDReg(ULO i, ULO value);
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extern ULO cpuGetDReg(ULO i);
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extern void cpuSetAReg(ULO i, ULO value);
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extern ULO cpuGetAReg(ULO i);
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extern void cpuSetReg(ULO da, ULO i, ULO value);
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extern ULO cpuGetReg(ULO da, ULO i);
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extern void cpuSetPC(ULO address);
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extern ULO cpuGetPC(void);
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extern void cpuSetStop(BOOLE stop);
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extern BOOLE cpuGetStop(void);
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extern void cpuSetVbr(ULO vbr);
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extern ULO cpuGetVbr(void);
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extern void cpuSetSfc(ULO sfc);
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extern ULO cpuGetSfc(void);
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extern void cpuSetDfc(ULO dfc);
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extern ULO cpuGetDfc(void);
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extern void cpuSetCacr(ULO cacr);
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extern ULO cpuGetCacr(void);
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extern void cpuSetCaar(ULO caar);
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extern ULO cpuGetCaar(void);
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extern void cpuSetSR(ULO sr);
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extern ULO cpuGetSR(void);
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extern void cpuSetInstructionTime(ULO cycles);
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extern ULO cpuGetInstructionTime(void);
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extern void cpuSetOriginalPC(ULO pc);
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extern ULO cpuGetOriginalPC(void);
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#ifdef CPU_INSTRUCTION_LOGGING
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extern void cpuSetCurrentOpcode(UWO opcode);
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extern UWO cpuGetCurrentOpcode(void);
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#endif
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extern void cpuProfileWrite(void);
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extern void cpuSetModelMask(UBY model_mask);
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extern UBY cpuGetModelMask(void);
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extern void cpuSetDRegWord(ULO regno, UWO val);
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extern void cpuSetDRegByte(ULO regno, UBY val);
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extern UWO cpuGetRegWord(ULO i, ULO regno);
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extern UWO cpuGetDRegWord(ULO regno);
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extern UBY cpuGetDRegByte(ULO regno);
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extern ULO cpuGetDRegWordSignExtLong(ULO regno);
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extern UWO cpuGetDRegByteSignExtWord(ULO regno);
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extern ULO cpuGetDRegByteSignExtLong(ULO regno);
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extern UWO cpuGetARegWord(ULO regno);
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extern UBY cpuGetARegByte(ULO regno);
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extern UWO cpuGetNextWord(void);
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extern ULO cpuGetNextWordSignExt(void);
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extern ULO cpuGetNextLong(void);
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extern void cpuSkipNextWord(void);
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extern void cpuSkipNextLong(void);
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extern void cpuClearPrefetch(void);
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extern void cpuValidateReadPointer(void);
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extern void cpuInitializeFromNewPC(ULO new_pc);
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// Effective address
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extern ULO cpuEA02(ULO regno);
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extern ULO cpuEA03(ULO regno, ULO size);
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extern ULO cpuEA04(ULO regno, ULO size);
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extern ULO cpuEA05(ULO regno);
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extern ULO cpuEA06(ULO regno);
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extern ULO cpuEA70(void);
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extern ULO cpuEA71(void);
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extern ULO cpuEA72(void);
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extern ULO cpuEA73(void);
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// Flags
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extern void cpuSetFlagsAdd(BOOLE z, BOOLE rm, BOOLE dm, BOOLE sm);
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extern void cpuSetFlagsSub(BOOLE z, BOOLE rm, BOOLE dm, BOOLE sm);
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extern void cpuSetFlagsCmp(BOOLE z, BOOLE rm, BOOLE dm, BOOLE sm);
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extern void cpuSetZFlagBitOpsB(UBY res);
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extern void cpuSetZFlagBitOpsL(ULO res);
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extern void cpuSetFlagsNZ00NewB(UBY res);
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extern void cpuSetFlagsNZ00NewW(UWO res);
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extern void cpuSetFlagsNZ00NewL(ULO res);
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extern void cpuSetFlagsNZ00New64(LLO res);
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extern void cpuSetFlagZ(BOOLE f);
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extern void cpuSetFlagN(BOOLE f);
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extern void cpuSetFlagV(BOOLE f);
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extern void cpuSetFlagC(BOOLE f);
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extern void cpuSetFlagXC(BOOLE f);
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extern void cpuSetFlags0100(void);
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extern void cpuSetFlagsNeg(BOOLE z, BOOLE rm, BOOLE dm);
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extern BOOLE cpuGetFlagX(void);
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extern void cpuSetFlagsNegx(BOOLE z, BOOLE rm, BOOLE dm);
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extern BOOLE cpuGetFlagV(void);
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extern void cpuSetFlagsNZVC(BOOLE z, BOOLE n, BOOLE v, BOOLE c);
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extern void cpuSetFlagsVC(BOOLE v, BOOLE c);
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extern void cpuSetFlagsShiftZero(BOOLE z, BOOLE rm);
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extern void cpuSetFlagsShift(BOOLE z, BOOLE rm, BOOLE c, BOOLE v);
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extern void cpuSetFlagsRotate(BOOLE z, BOOLE rm, BOOLE c);
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extern void cpuSetFlagsRotateX(UWO z, UWO rm, UWO x);
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extern void cpuSetFlagsAddX(BOOLE z, BOOLE rm, BOOLE dm, BOOLE sm);
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extern void cpuSetFlagsSubX(BOOLE z, BOOLE rm, BOOLE dm, BOOLE sm);
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extern void cpuSetFlagsAbs(UWO f);
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extern UWO cpuGetZFlagB(UBY res);
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extern UWO cpuGetZFlagW(UWO res);
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extern UWO cpuGetZFlagL(ULO res);
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extern UWO cpuGetNFlagB(UBY res);
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extern UWO cpuGetNFlagW(UWO res);
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extern UWO cpuGetNFlagL(ULO res);
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extern void cpuClearFlagsVC(void);
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extern BOOLE cpuCalculateConditionCode0(void);
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extern BOOLE cpuCalculateConditionCode1(void);
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extern BOOLE cpuCalculateConditionCode2(void);
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extern BOOLE cpuCalculateConditionCode3(void);
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extern BOOLE cpuCalculateConditionCode4(void);
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extern BOOLE cpuCalculateConditionCode5(void);
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extern BOOLE cpuCalculateConditionCode6(void);
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extern BOOLE cpuCalculateConditionCode7(void);
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extern BOOLE cpuCalculateConditionCode8(void);
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extern BOOLE cpuCalculateConditionCode9(void);
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extern BOOLE cpuCalculateConditionCode10(void);
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extern BOOLE cpuCalculateConditionCode11(void);
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extern BOOLE cpuCalculateConditionCode12(void);
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extern BOOLE cpuCalculateConditionCode13(void);
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extern BOOLE cpuCalculateConditionCode14(void);
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extern BOOLE cpuCalculateConditionCode15(void);
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extern BOOLE cpuCalculateConditionCode(ULO cc);
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// Logging
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#ifdef CPU_INSTRUCTION_LOGGING
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extern void cpuCallInstructionLoggingFunc(void);
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extern void cpuCallExceptionLoggingFunc(STR *description, ULO original_pc, UWO opcode);
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extern void cpuCallInterruptLoggingFunc(ULO level, ULO vector_address);
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#endif
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// Interrupt
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extern ULO cpuActivateSSP(void);
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extern void cpuSetRaiseInterrupt(BOOLE raise_irq);
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extern BOOLE cpuGetRaiseInterrupt(void);
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extern void cpuSetRaiseInterruptLevel(ULO raise_irq_level);
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extern ULO cpuGetRaiseInterruptLevel(void);
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// Exceptions
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extern void cpuThrowPrivilegeViolationException(void);
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extern void cpuThrowIllegalInstructionException(BOOLE executejmp);
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extern void cpuThrowFLineException(void);
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extern void cpuThrowALineException(void);
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extern void cpuThrowTrapVException(void);
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extern void cpuThrowTrapException(ULO vector_no);
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extern void cpuThrowDivisionByZeroException();
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extern void cpuThrowChkException(void);
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extern void cpuThrowTraceException(void);
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extern void cpuThrowResetException(void);
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extern void cpuCallResetExceptionFunc(void);
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extern void cpuFrame1(UWO vector_offset, ULO pc);
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// Private help functions
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static ULO cpuSignExtByteToLong(UBY v) {return (ULO)(LON)(BYT) v;}
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static UWO cpuSignExtByteToWord(UBY v) {return (UWO)(WOR)(BYT) v;}
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static ULO cpuSignExtWordToLong(UWO v) {return (ULO)(LON)(WOR) v;}
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static ULO cpuJoinWordToLong(UWO upper, UWO lower) {return (((ULO)upper) << 16) | ((ULO)lower);}
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static ULO cpuJoinByteToLong(UBY upper, UBY midh, UBY midl, UBY lower) {return (((ULO)upper) << 24) | (((ULO)midh) << 16) | (((ULO)midl) << 8) | ((ULO)lower);}
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static UWO cpuJoinByteToWord(UBY upper, UBY lower) {return (((UWO)upper) << 8) | ((UWO)lower);}
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static BOOLE cpuMsbB(UBY v) {return v>>7;}
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static BOOLE cpuMsbW(UWO v) {return v>>15;}
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static BOOLE cpuMsbL(ULO v) {return v>>31;}
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static BOOLE cpuIsZeroB(UBY v) {return v == 0;}
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static BOOLE cpuIsZeroW(UWO v) {return v == 0;}
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static BOOLE cpuIsZeroL(ULO v) {return v == 0;}
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#ifdef __cplusplus
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}
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#endif
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#endif |