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This commit is contained in:
Steve Chamberlain 1993-01-18 21:32:32 +00:00
parent 201c1243fe
commit 69488a770a
1 changed files with 68 additions and 0 deletions
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68
sim/h8300/state.h Normal file
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#define SET_WORD_MEM(x,y) {saved_state.mem[(x)>>1] = y;}
#define SET_BYTE_MEM(x,y) {BYTE_MEM(x)=y;}
#define WORD_MEM(x) (saved_state.mem[(x)>>1])
#define BYTE_MEM(x) (*(((char *)(saved_state.mem))+((x)^HOST_IS_LITTLE_ENDIAN)))
#define CCR 8
#define PC 9
#define CYCLES 10
#define HCHECK 11
#define TIER 12
#define TCSR 13
#define FRC 14
#define OCRA 15
#define OCRB 16
#define TCR 17
#define TOCR 18
#define ICRA 19
#define NREG 20
struct state
{
unsigned short int reg[NREG];
unsigned char *(bregp[16]);
unsigned char *(bregp_NNNNxxxx[256]);
unsigned char *(bregp_xxxxNNNN[256]);
unsigned short int *(wregp_xNNNxxxx[256]);
unsigned short int *(wregp_xxxxxNNN[256]);
int exception;
int ienable;
unsigned short *mem;
}
saved_state;
#define OCFA (1<<3)
#define OCFB (1<<2)
#define CCLRA (1<<0)
/* TCR bits */
#define OCIEA (1<<3)
#define OCIEB (1<<2)
#define OVIE (1<<1)
#define OVF (1<<1)
/* TOCR bits */
#define OCRS (1<<4)
#ifdef __GO32__
#define HOST_IS_LITTLE_ENDIAN 1
#else
#define HOST_IS_LITTLE_ENDIAN 0
#endif
#define SAVE_INTERPRETER_STATE() \
saved_state.reg[CYCLES] = cycles; \
saved_state.reg[PC] = (pc - saved_state.mem) <<1; \
saved_state.reg[CCR] = GET_CCR(); \
store_timer_state_to_mem();
#define LOAD_INTERPRETER_STATE() \
SET_CCR (saved_state.reg[CCR]); \
checkfreq = saved_state.reg[HCHECK]; \
pc = (saved_state.reg[PC]>>1) + saved_state.mem; \
load_timer_state_from_mem(); \
cycles=saved_state.reg[CYCLES];