setjmp.h
来自「pic系列单片机头文件源文件(c18 开发环境)」· C头文件 代码 · 共 30 行
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30 行
/* $Id: setjmp.h,v 1.1 2003/12/09 22:54:19 GrosbaJ Exp $ */
#ifndef __SETJMP_H
#define __SETJMP_h
extern unsigned near FSR2;
extern unsigned near FSR1;
extern unsigned near FSR0;
extern volatile unsigned char near STKPTR;
extern unsigned near PROD;
extern unsigned char near TOSL;
extern unsigned char near TOSH;
extern unsigned char near TOSU;
typedef struct {
unsigned SP;
unsigned FP;
unsigned char STKPTR;
unsigned long short TOS;
} jmp_buf;
void _longjmp (void);
void _setjmp (void);
#define setjmp(b) (FSR0=(unsigned)&(b),_setjmp(),PROD)
#define longjmp(b,v) {PROD=(unsigned)(v);FSR0=(unsigned)&(b);_longjmp();}
#endif
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