嵌入式C语言程序设计——使用MCS-51

				; .\delay100us.SRC generated from: delay100us.c
				; COMPILER INVOKED BY:
				;        C:\Keil\C51\BIN\C51.EXE delay100us.c BROWSE DEBUG OBJECTEXTEND SRC(.\delay100us.SRC)
				
				
				NAME	DELAY100US
				
				?PR?_delay100us?DELAY100US               SEGMENT CODE 
				?DT?_delay100us?DELAY100US               SEGMENT DATA OVERLAYABLE 
					PUBLIC	_delay100us
				
					RSEG  ?DT?_delay100us?DELAY100US
				?_delay100us?BYTE:
				          n?040:   DS   1
				; void delay100us(unsigned char n)
				
					RSEG  ?PR?_delay100us?DELAY100US
				_delay100us:
							; SOURCE LINE # 1
					MOV  	n?040,R7
				; {
							; SOURCE LINE # 2
				; #pragma asm
				; more:	mov		R3,#48
					  more:	mov		R3,#48
				; 		djnz	R3,$
					  djnz	R3,$
				; 		djnz	R7,more
					  djnz	R7,more
				; #pragma endasm
				; }			; SOURCE LINE # 8
					RET  	
				; END OF _delay100us
				
					END