delay100us.c

嵌入式C语言程序设计教材的程序例子代码

void delay()
{
#pragma asm
		push	R7
		push	R3
more:	mov		R7,#3
		mov		R3,#255
		djnz	R3,$
		djnz	R7,more
		pop		R7
		pop		R3
#pragma endasm
}