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39 lines
611 B
C
39 lines
611 B
C
#ifndef _CPU_H
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#define _CPU_H
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#include "types.h"
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struct cpu
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{
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u8 a;
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u8 f;
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u8 b;
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u8 c;
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u8 d;
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u8 e;
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u8 h;
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u8 l;
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u16 sp;
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u16 pc;
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u8 (*mem_read)(void *, u16);
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void (*mem_write)(void *, u16, u8);
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void *mem_model;
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};
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void cpu_bind_mem_model(
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struct cpu *cpu,
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void *mem_model,
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u8 (*mem_read)(void *, u16),
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void (*mem_write)(void *, u16, u8)
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);
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void cpu_step(struct cpu *cpu);
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#define FLAG_Z(cpu) ((cpu)->f >> 7 & 1)
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#define FLAG_N(cpu) ((cpu)->f >> 6 & 1)
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#define FLAG_H(cpu) ((cpu)->f >> 5 & 1)
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#define FLAG_C(cpu) ((cpu)->f >> 4 & 1)
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#endif
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