123..src

C51语言内嵌入汇编语句的程序实现

; .\123..SRC generated from: 123..c
; COMPILER INVOKED BY:
;        D:\Program Files\KEIL C51\C51\BIN\C51.EXE 123..c BROWSE DEBUG OBJECTEXTEND SRC(.\123..SRC)

$NOMOD51

NAME	_123_

P0	DATA	080H
P1	DATA	090H
P2	DATA	0A0H
P3	DATA	0B0H
T0	BIT	0B0H.4
AC	BIT	0D0H.6
T1	BIT	0B0H.5
T2	BIT	090H.0
EA	BIT	0A8H.7
IE	DATA	0A8H
EXF2	BIT	0C8H.6
RD	BIT	0B0H.7
ES	BIT	0A8H.4
IP	DATA	0B8H
RI	BIT	098H.0
INT0	BIT	0B0H.2
CY	BIT	0D0H.7
TI	BIT	098H.1
INT1	BIT	0B0H.3
RCAP2H	DATA	0CBH
PS	BIT	0B8H.4
SP	DATA	081H
T2EX	BIT	090H.1
OV	BIT	0D0H.2
RCAP2L	DATA	0CAH
C_T2	BIT	0C8H.1
WR	BIT	0B0H.6
RCLK	BIT	0C8H.5
TCLK	BIT	0C8H.4
SBUF	DATA	099H
PCON	DATA	087H
SCON	DATA	098H
TMOD	DATA	089H
TCON	DATA	088H
IE0	BIT	088H.1
IE1	BIT	088H.3
B	DATA	0F0H
CP_RL2	BIT	0C8H.0
ACC	DATA	0E0H
ET0	BIT	0A8H.1
ET1	BIT	0A8H.3
TF0	BIT	088H.5
ET2	BIT	0A8H.5
TF1	BIT	088H.7
TF2	BIT	0C8H.7
RB8	BIT	098H.2
TH0	DATA	08CH
EX0	BIT	0A8H.0
IT0	BIT	088H.0
TH1	DATA	08DH
TB8	BIT	098H.3
EX1	BIT	0A8H.2
IT1	BIT	088H.2
TH2	DATA	0CDH
P	BIT	0D0H.0
SM0	BIT	098H.7
TL0	DATA	08AH
SM1	BIT	098H.6
TL1	DATA	08BH
SM2	BIT	098H.5
TL2	DATA	0CCH
PT0	BIT	0B8H.1
PT1	BIT	0B8H.3
RS0	BIT	0D0H.3
PT2	BIT	0B8H.5
TR0	BIT	088H.4
RS1	BIT	0D0H.4
TR1	BIT	088H.6
TR2	BIT	0C8H.2
PX0	BIT	0B8H.0
PX1	BIT	0B8H.2
DPH	DATA	083H
DPL	DATA	082H
EXEN2	BIT	0C8H.3
REN	BIT	098H.4
T2CON	DATA	0C8H
RXD	BIT	0B0H.0
TXD	BIT	0B0H.1
F0	BIT	0D0H.5
PSW	DATA	0D0H
?PR?delay1s?123_     SEGMENT CODE 
?PR?main?123_        SEGMENT CODE 
?DT?main?123_        SEGMENT DATA OVERLAYABLE 
	EXTRN	CODE (?C_STARTUP)
	PUBLIC	main
	PUBLIC	delay1s

	RSEG  ?DT?main?123_
?main?BYTE:
          i?140:   DS   2
	ORG  2
        num?141:   DS   1
; #include <reg52.h>
; 
; 
; 
; #define uchar unsigned char 
; #define uint unsigned int
; 
; 
; void delay1s(void)

	RSEG  ?PR?delay1s?123_
delay1s:
			; SOURCE LINE # 9
; 
; {
			; SOURCE LINE # 11
; 
;     #pragma asm
; 
	  
; 	delay:   mov  r2,#04h
	  delay:   mov  r2,#04h
; 	delay1:  mov  r3,#80h
	  delay1:  mov  r3,#80h
; 	delay2:  mov  r4,#80h
	  delay2:  mov  r4,#80h
; 	         djnz r4,$
	  djnz r4,$
; 			 djnz r3,delay2
	  djnz r3,delay2
; 			 djnz r2,delay1
	  djnz r2,delay1
; 
	  
; 	#pragma  endasm
; 
; }
			; SOURCE LINE # 24
	RET  	
; END OF delay1s

; 
;  
; 
; 
; main()

	RSEG  ?PR?main?123_
main:
	USING	0
			; SOURCE LINE # 29
; {
			; SOURCE LINE # 30
?C0002:
;     while(1){
			; SOURCE LINE # 31
; 	     uint i;
; 		 uchar num;
; 	     P1=0xff   ;
			; SOURCE LINE # 34
	MOV  	P1,#0FFH
; 		 delay1s();
			; SOURCE LINE # 35
	LCALL	delay1s
; 		 num=0xfe;
			; SOURCE LINE # 36
	MOV  	num?141,#0FEH
; 		 for(i=0;i<8;i++){ 		     
			; SOURCE LINE # 37
	CLR  	A
	MOV  	i?140,A
	MOV  	i?140+01H,A
?C0004:
; 			 P1=num;
			; SOURCE LINE # 38
	MOV  	P1,num?141
; 			 delay1s();
			; SOURCE LINE # 39
	LCALL	delay1s
; 			 num=num<<1|num>>7;
			; SOURCE LINE # 40
	MOV  	A,num?141
	ADD  	A,ACC
	MOV  	R7,A
	MOV  	A,num?141
	SWAP 	A
	RRC  	A
	RRC  	A
	RRC  	A
	ANL  	A,#01H
	ORL  	A,R7
	MOV  	num?141,A
; 			 }
			; SOURCE LINE # 41
	INC  	i?140+01H
	MOV  	A,i?140+01H
	JNZ  	?C0008
	INC  	i?140
?C0008:
	CLR  	C
	SUBB 	A,#08H
	MOV  	A,i?140
	SUBB 	A,#00H
	JC   	?C0004
	SJMP 	?C0002
; END OF main

	END