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📄 main.src

📁 《Proteus在MCS-51&ARM7系统中的应用百例》逆向之 Chapter 4 《Proteus在MCS-51&ARM7系统中的应用百例》MCS-51例子的C语言版本。
💻 SRC
字号:
; .\main.SRC generated from: main.c
; COMPILER INVOKED BY:
;        D:\Program Files\Keil 8.08\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND SRC(.\main.SRC)

$NOMOD51

NAME	MAIN

P0	DATA	080H
P1	DATA	090H
P2	DATA	0A0H
P3	DATA	0B0H
T0	BIT	0B0H.4
AC	BIT	0D0H.6
T1	BIT	0B0H.5
EA	BIT	0A8H.7
IE	DATA	0A8H
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
PS	BIT	0B8H.4
SP	DATA	081H
OV	BIT	0D0H.2
WR	BIT	0B0H.6
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
ACC	DATA	0E0H
ET0	BIT	0A8H.1
ET1	BIT	0A8H.3
TF0	BIT	088H.5
TF1	BIT	088H.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
P	BIT	0D0H.0
SM0	BIT	098H.7
TL0	DATA	08AH
SM1	BIT	098H.6
TL1	DATA	08BH
SM2	BIT	098H.5
PT0	BIT	0B8H.1
PT1	BIT	0B8H.3
RS0	BIT	0D0H.3
TR0	BIT	088H.4
RS1	BIT	0D0H.4
TR1	BIT	088H.6
PX0	BIT	0B8H.0
PX1	BIT	0B8H.2
DPH	DATA	083H
DPL	DATA	082H
REN	BIT	098H.4
RXD	BIT	0B0H.0
TXD	BIT	0B0H.1
F0	BIT	0D0H.5
PSW	DATA	0D0H
?PR?DELAY?MAIN       SEGMENT CODE 
?DT?DELAY?MAIN       SEGMENT DATA OVERLAYABLE 
?PR?main?MAIN        SEGMENT CODE 
	EXTRN	CODE (?C_STARTUP)
	PUBLIC	RS_CNT
	PUBLIC	DSP_CNT
	PUBLIC	main
	PUBLIC	DELAY

	DSEG  AT  034H
        DSP_CNT:   DS   1

	DSEG  AT  031H
         RS_CNT:   DS   1

	RSEG  ?DT?DELAY?MAIN
?DELAY?BYTE:
	ORG  1
          k?040:   DS   1
	ORG  0
          j?041:   DS   1
; #include <reg51.h>
; 
; typedef unsigned char BYTE;
; 
; BYTE RS_CNT	 _at_ 0x31;
; BYTE DSP_CNT _at_ 0x34;
; 
; 
; void DELAY()

	RSEG  ?PR?DELAY?MAIN
DELAY:
	USING	0
			; SOURCE LINE # 9
; {
			; SOURCE LINE # 10
; 	BYTE i=10;
			; SOURCE LINE # 11
;---- Variable 'i?042' assigned to Register 'R7' ----
	MOV  	R7,#0AH
?C0003:
; 		
; 	do	
; 	{	
			; SOURCE LINE # 14
; 		BYTE j=20;
			; SOURCE LINE # 15
	MOV  	j?041,#014H
?C0006:
; 		do
; 		{	
			; SOURCE LINE # 17
; 			BYTE k=248;
			; SOURCE LINE # 18
	MOV  	k?040,#0F8H
; 			do
; 			{
			; SOURCE LINE # 20
; 			}while(--k);
			; SOURCE LINE # 21
?C0007:
	DJNZ 	k?040,?C0007
; 		}while(--j);
			; SOURCE LINE # 22
	DJNZ 	j?041,?C0006
; 	}while(--i);
			; SOURCE LINE # 23
	DJNZ 	R7,?C0003
; }
			; SOURCE LINE # 24
	RET  	
; END OF DELAY

; 
; 
; main()

	RSEG  ?PR?main?MAIN
main:
	USING	0
			; SOURCE LINE # 27
;---- Variable 'temp?143' assigned to Register 'R6' ----
; {
			; SOURCE LINE # 28
; 	BYTE temp;
; 	RS_CNT =0x00;
			; SOURCE LINE # 30
	CLR  	A
	MOV  	RS_CNT,A
; 	DSP_CNT=0x00;
			; SOURCE LINE # 31
	MOV  	DSP_CNT,A
?C0011:
; 	
; 
; 	while(1)
			; SOURCE LINE # 34
; 	{
			; SOURCE LINE # 35
; 		switch(DSP_CNT)
			; SOURCE LINE # 36
	MOV  	A,DSP_CNT
	DEC  	A
	JZ   	?C0018
	DEC  	A
	JZ   	?C0022
	DEC  	A
	JZ   	?C0026
	ADD  	A,#03H
	JNZ  	?C0011
; 		{
			; SOURCE LINE # 37
; 			case 0:	{
			; SOURCE LINE # 38
?C0014:
; 						P0 =0x00;
			; SOURCE LINE # 39
	CLR  	A
	MOV  	P0,A
; 						temp=0x01;
			; SOURCE LINE # 40
	MOV  	R6,#01H
?C0017:
; 
; 						do
; 						{
			; SOURCE LINE # 43
; 							P3=temp;
			; SOURCE LINE # 44
	MOV  	P3,R6
; 							DELAY();
			; SOURCE LINE # 45
	LCALL	DELAY
; 							ACC=temp;
			; SOURCE LINE # 46
	MOV  	A,R6
; 							#pragma asm
; 								RL A
	  RL A
; 							#pragma endasm
; 							temp=ACC;
			; SOURCE LINE # 50
	MOV  	R6,A
; 							RS_CNT++;
			; SOURCE LINE # 51
	INC  	RS_CNT
; 						}while(RS_CNT!=24);
			; SOURCE LINE # 52
	MOV  	A,RS_CNT
	CJNE 	A,#018H,?C0017
; 						DSP_CNT++;
			; SOURCE LINE # 53
; 					   	RS_CNT=0x00;
			; SOURCE LINE # 54
; 					}
			; SOURCE LINE # 55
; 					break;
			; SOURCE LINE # 56
	SJMP 	?C0032
; 	
; 			case 1:	{
			; SOURCE LINE # 58
?C0018:
; 						P0 =0x00;
			; SOURCE LINE # 59
	CLR  	A
	MOV  	P0,A
; 						temp=0x80;
			; SOURCE LINE # 60
	MOV  	R6,#080H
?C0021:
; 
; 						do
; 						{
			; SOURCE LINE # 63
; 							P3=temp;
			; SOURCE LINE # 64
	MOV  	P3,R6
; 							DELAY();
			; SOURCE LINE # 65
	LCALL	DELAY
; 							ACC=temp;
			; SOURCE LINE # 66
	MOV  	A,R6
; 							#pragma asm
; 								RR A
	  RR A
; 							#pragma endasm
; 							temp=ACC;
			; SOURCE LINE # 70
	MOV  	R6,A
; 							RS_CNT++;
			; SOURCE LINE # 71
	INC  	RS_CNT
; 						}while(RS_CNT!=24);
			; SOURCE LINE # 72
	MOV  	A,RS_CNT
	CJNE 	A,#018H,?C0021
; 						DSP_CNT++;
			; SOURCE LINE # 73
?C0031:
; 						RS_CNT=0x00;
			; SOURCE LINE # 74
; 					}
			; SOURCE LINE # 75
; 					break;
			; SOURCE LINE # 76
	SJMP 	?C0032
; 
; 			case 2:	{
			; SOURCE LINE # 78
?C0022:
; 						P3 =0xFF;
			; SOURCE LINE # 79
	MOV  	P3,#0FFH
; 						temp=0x7F;
			; SOURCE LINE # 80
	MOV  	R6,#07FH
?C0025:
; 
; 						do
; 						{
			; SOURCE LINE # 83
; 							P0=temp;
			; SOURCE LINE # 84
	MOV  	P0,R6
; 							DELAY();
			; SOURCE LINE # 85
	LCALL	DELAY
; 							ACC=temp;
			; SOURCE LINE # 86
	MOV  	A,R6
; 							#pragma asm
; 								RR A
	  RR A
; 							#pragma endasm
; 							temp=ACC;
			; SOURCE LINE # 90
	MOV  	R6,A
; 							RS_CNT++;
			; SOURCE LINE # 91
	INC  	RS_CNT
; 						}while(RS_CNT!=24);
			; SOURCE LINE # 92
	MOV  	A,RS_CNT
	CJNE 	A,#018H,?C0025
; 						DSP_CNT++;
			; SOURCE LINE # 93
?C0032:
	INC  	DSP_CNT
; 						RS_CNT=0x00;
			; SOURCE LINE # 94
	CLR  	A
	MOV  	RS_CNT,A
; 					}
			; SOURCE LINE # 95
; 					break;
			; SOURCE LINE # 96
	SJMP 	?C0011
; 
; 			case 3:	{
			; SOURCE LINE # 98
?C0026:
; 						P3 =0xFF;
			; SOURCE LINE # 99
	MOV  	P3,#0FFH
; 						temp=0xFE;
			; SOURCE LINE # 100
	MOV  	R6,#0FEH
?C0029:
; 
; 						do
; 						{
			; SOURCE LINE # 103
; 							P0=temp;
			; SOURCE LINE # 104
	MOV  	P0,R6
; 							DELAY();
			; SOURCE LINE # 105
	LCALL	DELAY
; 							ACC=temp;
			; SOURCE LINE # 106
	MOV  	A,R6
; 							#pragma asm
; 								RL A
	  RL A
; 							#pragma endasm
; 							temp=ACC;
			; SOURCE LINE # 110
	MOV  	R6,A
; 							RS_CNT++;
			; SOURCE LINE # 111
	INC  	RS_CNT
; 						}while(RS_CNT!=24);
			; SOURCE LINE # 112
	MOV  	A,RS_CNT
	CJNE 	A,#018H,?C0029
; 						DSP_CNT=0x00;
			; SOURCE LINE # 113
	CLR  	A
	MOV  	DSP_CNT,A
; 						RS_CNT =0x00;
			; SOURCE LINE # 114
	MOV  	RS_CNT,A
; 					}
			; SOURCE LINE # 115
; 					break;
			; SOURCE LINE # 116
	SJMP 	?C0011
; END OF main

	END

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