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perfect6502
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perfect6502/perfect6502.h

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split code into generic netlist simulation and 6502-specific code
2014-12-01 12:53:46 +00:00
#ifndef INCLUDED_FROM_NETLIST_SIM_C
The state pointer is no longer global, but passed down to every function. ...and surprisingly, it's not any slower. if anything, it's 1% faster.
2014-12-01 10:00:30 +00:00
#define state_t void
#endif
extern state_t *initAndResetChip();
Add destroyChip.
2019-09-08 12:36:11 +00:00
extern void destroyChip(state_t *state);
The state pointer is no longer global, but passed down to every function. ...and surprisingly, it's not any slower. if anything, it's 1% faster.
2014-12-01 10:00:30 +00:00
extern void step(state_t *state);
extern void chipStatus(state_t *state);
extern unsigned short readPC(state_t *state);
extern unsigned char readA(state_t *state);
extern unsigned char readX(state_t *state);
extern unsigned char readY(state_t *state);
extern unsigned char readSP(state_t *state);
extern unsigned char readP(state_t *state);
extern unsigned int readRW(state_t *state);
extern unsigned short readAddressBus(state_t *state);
cleanup
2014-12-01 12:28:27 +00:00
extern void writeDataBus(state_t *state, unsigned char);
The state pointer is no longer global, but passed down to every function. ...and surprisingly, it's not any slower. if anything, it's 1% faster.
2014-12-01 10:00:30 +00:00
extern unsigned char readDataBus(state_t *state);
extern unsigned char readIR(state_t *state);
made test work independently
2010-10-06 16:33:26 +00:00
extern unsigned char memory[65536];
extern unsigned int cycle;
Add destroyChip.
2019-09-08 12:36:11 +00:00
extern unsigned int transistors;