67efbb5f7f
stores with 16-bit displacements were storing the register number and not the contents of the register.
37 lines
791 B
C
37 lines
791 B
C
#ifndef EMU_H
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#define EMU_H
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extern void fatal(char* fmt, ...);
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typedef struct
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{
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uint32_t gpr[32];
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uint64_t fpr[32];
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uint32_t cr;
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uint32_t ctr;
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uint32_t lr;
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uint32_t xer;
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uint32_t fpscr;
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uint32_t cia;
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uint32_t nia;
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}
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cpu_t;
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extern cpu_t cpu;
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extern uint32_t read_byte(uint32_t address);
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extern uint32_t read_word(uint32_t address);
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extern uint32_t read_long(uint32_t address);
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extern uint64_t read_double(uint32_t address);
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extern void write_byte(uint32_t address, uint32_t value);
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extern void write_word(uint32_t address, uint32_t value);
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extern void write_long(uint32_t address, uint32_t value);
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extern void write_double(uint32_t address, uint64_t value);
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extern void system_call(uint8_t trapno);
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extern void dump_state(FILE* stream);
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extern void single_step(void);
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#endif
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