delay.src

来自「< 嵌入式C语言程序设计>>一书的源代码」· SRC 代码 · 共 44 行

; .\delay.SRC generated from: delay.c
; COMPILER INVOKED BY:
;        C:\Keil\C51\BIN\C51.EXE delay.c BROWSE DEBUG OBJECTEXTEND SRC(.\delay.SRC)


NAME	DELAY

?PR?_delay?DELAY     SEGMENT CODE 
?DT?_delay?DELAY     SEGMENT DATA OVERLAYABLE 
	PUBLIC	_delay

	RSEG  ?DT?_delay?DELAY
?_delay?BYTE:
          n?040:   DS   1
; void delay(unsigned char n)

	RSEG  ?PR?_delay?DELAY
_delay:
			; SOURCE LINE # 1
	MOV  	n?040,R7
; {
			; SOURCE LINE # 2
; #pragma asm
; loop:	mov		R6,#02
	  loop:	mov		R6,#02
; loop1:	mov		R5,#187
	  loop1:	mov		R5,#187
; loop2:  mov		R3,#248
	  loop2:  mov		R3,#248
; more:	djnz	R3,more
	  more:	djnz	R3,more
; 		djnz	R5,loop2
	  djnz	R5,loop2
; 		djnz	R6,loop1
	  djnz	R6,loop1
; 		djnz    R7,loop
	  djnz    R7,loop
; #pragma endasm
; }			; SOURCE LINE # 12
	RET  	
; END OF _delay

	END