3921e1aa69
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6119 a1c6a512-1295-4272-9138-f99709370657
59 lines
933 B
C
59 lines
933 B
C
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#ifndef __CPU_H__
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#define __CPU_H__
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#include "defs.h"
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union reg
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{
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byte b[2][2];
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word w[2];
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un32 d; /* padding for alignment, carry */
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};
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struct cpu
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{
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#ifdef DYNAREC
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union reg a,b,c,d,e,hl,f,sp,pc;
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#else
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union reg pc, sp, bc, de, hl, af;
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#endif
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int ime, ima;
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int speed;
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int halt;
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int div, tim;
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int lcdc;
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int snd;
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};
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extern struct cpu cpu;
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#ifdef DYNAREC
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struct dynarec_block {
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union reg address;
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void *block;
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int length;
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struct dynarec_block *next;
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};
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#define HASH_SIGNIFICANT_LOWER_BITS 8
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#define HASH_BITMASK ((1<<HASH_SIGNIFICANT_LOWER_BITS)-1)
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extern struct dynarec_block *address_map[1<<HASH_SIGNIFICANT_LOWER_BITS];
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extern int blockclen;
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#endif
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void cpu_reset(void);
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void div_advance(int cnt);
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void timer_advance(int cnt);
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void lcdc_advance(int cnt);
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void sound_advance(int cnt);
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void cpu_timers(int cnt);
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int cpu_emulate(int cycles) ICODE_ATTR;
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int cpu_step(int max) ICODE_ATTR;
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#endif
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