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153 lines
5.0 KiB
C
153 lines
5.0 KiB
C
#ifndef FMEM_H
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#define FMEM_H
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/* Memory access functions */
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extern UBY memoryReadByte(ULO address);
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extern UWO memoryReadWord(ULO address);
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extern ULO memoryReadLong(ULO address);
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extern void memoryWriteByte(UBY data, ULO address);
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extern void memoryWriteWord(UWO data, ULO address);
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extern void memoryWriteLong(ULO data, ULO address);
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extern UWO memoryChipReadWord(ULO address);
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extern void memoryChipWriteWord(UWO data, ULO address);
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#define memoryReadByteFromPointer(address) (address[0])
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#define memoryReadWordFromPointer(address) ((address[0] << 8) | address[1])
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#define memoryReadLongFromPointer(address) ((address[0] << 24) | (address[1] << 16) | (address[2] << 8) | address[3])
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/* IO Bank functions */
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typedef UWO (*memoryIoReadFunc)(ULO address);
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typedef void (*memoryIoWriteFunc)(UWO data, ULO address);
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extern void memorySetIoReadStub(ULO index, memoryIoReadFunc ioreadfunction);
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extern void memorySetIoWriteStub(ULO index, memoryIoWriteFunc iowritefunction);
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/* For the copper */
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extern memoryIoWriteFunc memory_iobank_write[257];
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/* Expansion card functions */
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typedef void (*memoryEmemCardInitFunc)(void);
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typedef void (*memoryEmemCardMapFunc)(ULO);
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extern void memoryEmemClear(void);
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extern void memoryEmemCardAdd(memoryEmemCardInitFunc cardinit,
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memoryEmemCardMapFunc cardmap);
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extern void memoryEmemSet(ULO index, ULO data);
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extern void memoryEmemMirror(ULO emem_offset, UBY *src, ULO size);
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/* Device memory functions. fhfile is using these. */
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extern void memoryDmemSetByte(UBY data);
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extern void memoryDmemSetWord(UWO data);
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extern void memoryDmemSetLong(ULO data);
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extern void memoryDmemSetLongNoCounter(ULO data, ULO offset);
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extern void memoryDmemSetString(STR *data);
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extern void memoryDmemSetCounter(ULO val);
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extern ULO memoryDmemGetCounter(void);
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extern void memoryDmemClear(void);
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/* Module management functions */
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extern void memorySaveState(FILE *F);
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extern void memoryLoadState(FILE *F);
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extern void memorySoftReset(void);
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extern void memoryHardReset(void);
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extern void memoryHardResetPost(void);
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extern void memoryEmulationStart(void);
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extern void memoryEmulationStop(void);
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extern void memoryStartup(void);
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extern void memoryShutdown(void);
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/* Memory bank functions */
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typedef UBY (*memoryReadByteFunc)(ULO address);
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typedef UWO (*memoryReadWordFunc)(ULO address);
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typedef ULO (*memoryReadLongFunc)(ULO address);
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typedef void (*memoryWriteByteFunc)(UBY data, ULO address);
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typedef void (*memoryWriteWordFunc)(UWO data, ULO address);
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typedef void (*memoryWriteLongFunc)(ULO data, ULO address);
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extern memoryReadByteFunc memory_bank_readbyte[65536];
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extern memoryReadWordFunc memory_bank_readword[65536];
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extern memoryReadLongFunc memory_bank_readlong[65536];
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extern memoryWriteByteFunc memory_bank_writebyte[65536];
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extern memoryWriteWordFunc memory_bank_writeword[65536];
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extern memoryWriteLongFunc memory_bank_writelong[65536];
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extern UBY *memory_bank_pointer[65536];
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extern UBY *memory_bank_datapointer[65536];
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extern void memoryBankSet(memoryReadByteFunc rb,
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memoryReadWordFunc rw,
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memoryReadLongFunc rl,
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memoryWriteByteFunc wb,
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memoryWriteWordFunc ww,
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memoryWriteLongFunc wl,
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UBY *basep,
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ULO bank,
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ULO basebank,
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BOOLE pointer_can_write);
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extern UBY *memoryAddressToPtr(ULO address);
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extern void memoryChipMap(BOOLE overlay);
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/* Memory configuration properties */
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extern BOOLE memorySetChipSize(ULO chipsize);
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extern ULO memoryGetChipSize(void);
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extern BOOLE memorySetFastSize(ULO fastsize);
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extern ULO memoryGetFastSize(void);
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extern void memorySetFastAllocatedSize(ULO fastallocatedsize);
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extern ULO memoryGetFastAllocatedSize(void);
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extern BOOLE memorySetSlowSize(ULO bogosize);
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extern ULO memoryGetSlowSize(void);
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extern BOOLE memorySetUseAutoconfig(BOOLE useautoconfig);
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extern BOOLE memoryGetUseAutoconfig(void);
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extern BOOLE memorySetAddress32Bit(BOOLE address32bit);
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extern BOOLE memoryGetAddress32Bit(void);
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extern BOOLE memorySetKickImage(STR *kickimage);
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extern STR *memoryGetKickImage(void);
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extern void memorySetKey(STR *key);
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extern STR *memoryGetKey(void);
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extern BOOLE memoryGetKickImageOK(void);
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/* Derived from memory configuration */
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extern ULO memoryGetKickImageBaseBank(void);
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extern ULO memoryGetKickImageVersion(void);
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extern ULO memoryInitialPC(void);
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extern ULO memoryInitialSP(void);
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/* Kickstart load error handling */
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#define MEMORY_ROM_ERROR_SIZE 0
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#define MEMORY_ROM_ERROR_AMIROM_VERSION 1
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#define MEMORY_ROM_ERROR_AMIROM_READ 2
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#define MEMORY_ROM_ERROR_KEYFILE 3
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#define MEMORY_ROM_ERROR_EXISTS_NOT 4
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#define MEMORY_ROM_ERROR_FILE 5
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#define MEMORY_ROM_ERROR_KICKDISK_NOT 6
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#define MEMORY_ROM_ERROR_CHECKSUM 7
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#define MEMORY_ROM_ERROR_KICKDISK_SUPER 8
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#define MEMORY_ROM_ERROR_BAD_BANK 9
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/* Global variables */
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extern UBY memory_chip[];
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extern UBY *memory_fast;
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extern UBY memory_slow[];
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extern UBY memory_kick[];
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extern ULO memory_chipsize;
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extern UBY memory_emem[];
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extern ULO intenar,intena,intreq;
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extern ULO potgor;
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extern ULO memory_fault_address;
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extern BOOLE memory_fault_read;
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#endif
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