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#ifndef __CPU_GB_H__
#define __CPU_GB_H__
#include "defs.h"
union reg
{
byte b[2][2];
word w[2];
un32 d; /* padding for alignment, carry */
};
struct cpu
{
#ifdef DYNAREC
union reg a,b,c,d,e,hl,f,sp,pc;
#else
union reg pc, sp, bc, de, hl, af;
#endif
int ime, ima;
int speed;
int halt;
int div, tim;
int lcdc;
int snd;
};
extern struct cpu cpu;
#ifdef DYNAREC
struct dynarec_block {
union reg address;
void *block;
int length;
struct dynarec_block *next;
};
#define HASH_SIGNIFICANT_LOWER_BITS 8
#define HASH_BITMASK ((1<<HASH_SIGNIFICANT_LOWER_BITS)-1)
extern struct dynarec_block *address_map[1<<HASH_SIGNIFICANT_LOWER_BITS];
extern int blockclen;
#endif
void cpu_reset(void);
void div_advance(int cnt);
void timer_advance(int cnt);
void lcdc_advance(int cnt);
void sound_advance(int cnt);
void cpu_timers(int cnt);
int cpu_emulate(int cycles) ICODE_ATTR;
int cpu_step(int max) ICODE_ATTR;
#endif
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