PIC18F头文件的问题

jiandanxiaoyu

/*-------------------------------------------------------------------------
* Some useful macros for inline assembly stuff
*-------------------------------------------------------------------------*/
#define Nop()    {_asm nop _endasm}
#define ClrWdt() {_asm clrwdt _endasm}
#define Sleep()  {_asm sleep _endasm}
#define Reset()  {_asm reset _endasm}

#define Rlcf(f,dest,access)  {_asm movlb f rlcf f,dest,access _endasm}
#define Rlncf(f,dest,access) {_asm movlb f rlncf f,dest,access _endasm}
#define Rrcf(f,dest,access)  {_asm movlb f rrcf f,dest,access _endasm}
#define Rrncf(f,dest,access) {_asm movlb f rrncf f,dest,access _endasm}
#define Swapf(f,dest,access) {_asm movlb f swapf f,dest,access _endasm }

/*-------------------------------------------------------------------------
* A fairly inclusive set of registers to save for interrupts.
* These are locations which are commonly used by the compiler.
*-------------------------------------------------------------------------*/
#define INTSAVELOCS TBLPTR, TABLAT, PROD


小弟这几天研究microchip 单片机 PIC18F4550，读头文件的时候看到有句话不懂，请教牛人，最后那句宏定义是什么意思, 就是这句，#define INTSAVELOCS TBLPTR, TABLAT, PROD. 尤其是那个INTSAVELOCS，这个是什么意思，望大牛指导~~~


谢了~~

jiandanxiaoyu

没有人知道？自己顶一个，不然沉了

axe6340308_bn

一个标志名称

xieqiuyang520

回复 1# jiandanxiaoyu


    真不太清楚

cuijianw

好像是把几个汇编操作打包成一个C函数，内联方式操作。