mirror of
https://github.com/dschmenk/Appalm.git
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118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
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UInt32 run6502(UInt32);
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void reset6502(UInt8 *, WRITEBYTE *, READBYTE *);
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void setPcCheckFuncs(void);
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void clrPcCheckFuncs(void);
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extern UInt16 opTable6502[256];
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extern union state6502_t
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{
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struct
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{
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UInt32 DATA; /* D0 */
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UInt32 INST; /* D1 */
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UInt32 ACC; /* D2 */
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UInt32 X; /* D3 */
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UInt32 Y; /* D4 */
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UInt32 SP_CC; /* D5 */
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UInt32 EA; /* D6 */
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UInt32 PAGE; /* D7 */
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UInt32 PC; /* A0 */
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UInt32 OPBASE; /* A1 */
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UInt32 MEMBASE;/* A2 */
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UInt32 WRMEM; /* A3 */
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UInt32 RDMEM; /* A4 */
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UInt32 ADDR; /* A6 */
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} LongRegs;
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struct
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{
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UInt16 Filler0;
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UInt16 DATA; /* D0 */
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UInt16 INSTHI;
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UInt16 INSTLO; /* D1 */
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UInt16 Filler1;
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UInt16 ACC; /* D2 */
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UInt16 Filler2;
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UInt16 X; /* D3 */
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UInt16 Filler3;
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UInt16 Y; /* D4 */
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UInt16 SP;
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UInt16 CC; /* D5 */
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UInt16 Filler5;
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UInt16 EA; /* D6 */
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UInt16 Filler6;
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UInt16 PAGE; /* D7 */
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UInt16 Filler7;
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UInt16 PC; /* A0 */
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UInt16 Filler8;
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UInt16 OPBASE; /* A1 */
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UInt16 Filler9;
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UInt16 MEMBASE;/* A2 */
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UInt16 Filler10;
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UInt16 WRMEM; /* A3 */
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UInt16 Filler11;
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UInt16 RDMEM; /* A4 */
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UInt16 Filler12;
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UInt16 ADDR; /* A6 */
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} WordRegs;
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struct
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{
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UInt8 Filler0;
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UInt8 Filler1;
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UInt8 Filler2;
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UInt8 DATA; /* D0 */
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UInt8 INST3;
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UInt8 INST2;
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UInt8 INST1;
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UInt8 INST0; /* D1 */
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UInt8 Filler3;
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UInt8 Filler4;
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UInt8 Filler5;
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UInt8 ACC; /* D2 */
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UInt8 Filler6;
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UInt8 Filler7;
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UInt8 Filler8;
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UInt8 X; /* D3 */
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UInt8 Filler9;
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UInt8 Filler10;
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UInt8 Filler11;
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UInt8 Y; /* D4 */
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UInt8 SPHI;
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UInt8 SPLO;
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UInt8 Filler14;
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UInt8 CC; /* D5 */
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UInt8 Filler18;
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UInt8 Filler19;
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UInt8 Filler20;
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UInt8 EA; /* D6 */
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UInt8 Filler21;
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UInt8 Filler22;
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UInt8 Filler23;
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UInt8 PAGE; /* D7 */
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UInt8 Filler24;
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UInt8 Filler25;
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UInt8 PCHI; /* A0 */
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UInt8 PCLO; /* A0 */
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UInt8 Filler26;
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UInt8 Filler27;
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UInt8 OPBASEHI;/* A1 */
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UInt8 OPBASELO;/* A1 */
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UInt8 Filler28;
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UInt8 Filler29;
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UInt8 MEMBASEHI;/* A2 */
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UInt8 MEMBASELO;/* A2 */
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UInt8 Filler30;
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UInt8 Filler31;
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UInt8 WRMEM; /* A3 */
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UInt8 WRMEMLO; /* A3 */
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UInt8 Filler32;
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UInt8 Filler33;
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UInt8 RDMEM; /* A4 */
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UInt8 RDMEMLO; /* A4 */
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UInt8 Filler34;
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UInt8 Filler35;
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UInt8 ADDRHI; /* A6 */
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UInt8 ADDRLO; /* A6 */
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} ByteRegs;
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} state6502;
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extern UInt8 status6502;
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