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[/] [eco32/] [trunk/] [monitor/] [monitor/] [common/] [cpu.h] - Rev 205

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/*
 * cpu.h -- execute instructions
 */
 
 
#ifndef _CPU_H_
#define _CPU_H_
 
 
#define PSW_V		0x08000000	/* interrupt vector bit in PSW */
#define PSW_UM		0x04000000	/* user mode enable bit in PSW */
#define PSW_PUM		0x02000000	/* previous value of PSW_UM */
#define PSW_OUM		0x01000000	/* old value of PSW_UM */
#define PSW_IE		0x00800000	/* interrupt enable bit in PSW */
#define PSW_PIE		0x00400000	/* previous value of PSW_IE */
#define PSW_OIE		0x00200000	/* old value of PSW_IE */
#define PSW_PRIO_MASK	0x001F0000	/* bits to encode IRQ prio in PSW */
 
 
Word cpuGetPC(void);
void cpuSetPC(Word addr);
 
Word cpuGetReg(int regnum);
void cpuSetReg(int regnum, Word value);
 
Word cpuGetPSW(void);
void cpuSetPSW(Word value);
 
Bool cpuTestBreak(void);
Word cpuGetBreak(void);
void cpuSetBreak(Word addr);
void cpuResetBreak(void);
 
char *exceptionToString(int exception);
 
void cpuStep(void);
void cpuRun(void);
 
 
#endif /* _CPU_H_ */
 

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