io.src

C51中的指针应用之二.rar

; IO.SRC generated from: IO.C
; COMPILER INVOKED BY:
;        C:\Keil\C51\BIN\C51.EXE IO.C REGFILE(.\test.ORC) BROWSE DEBUG OBJECTEXTEND TABS(3)

$NOMOD51

NAME	IO

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?getche?IO        SEGMENT CODE 
?PR?_putchar?IO      SEGMENT CODE 
?PR?_putcstring?IO   SEGMENT CODE 
	PUBLIC	_putcstring
	PUBLIC	_putchar
	PUBLIC	getche
; #pragma src
; #include "reg51.h"
; #include "IO.H"
; 
; 
; #ifdef __getch
; unsigned char getch(void) // 从串口获取1字节数据, 自定义I/O函数
; {
; 	while(!RI);
; 	RI=0;
; 	return(SBUF);
; }
; #endif
; 
; #ifdef __getche
; unsigned char getche(void) // 从串口接收1字节数据, 并从串口送出, 自定义I/O函数

	RSEG  ?PR?getche?IO
getche:
	USING	0
			; SOURCE LINE # 16
; {
			; SOURCE LINE # 17
?C0001:
; 	while(!RI);
			; SOURCE LINE # 18
	JNB  	RI,?C0001
?C0002:
; 	RI=0;
			; SOURCE LINE # 19
	CLR  	RI
; 	putchar(SBUF);
			; SOURCE LINE # 20
	MOV  	R7,SBUF
	LCALL	_putchar
; 	return SBUF;
			; SOURCE LINE # 21
	MOV  	R7,SBUF
; }
			; SOURCE LINE # 22
?C0003:
	RET  	
; END OF getche

; #endif
; 
; 
; #ifdef __putchar
; void putchar(unsigned char ch) // 将1字节数据从串口送出, 自定义I/O函数

	RSEG  ?PR?_putchar?IO
_putchar:
			; SOURCE LINE # 27
;---- Variable 'ch?140' assigned to Register 'R7' ----
; {
			; SOURCE LINE # 28
; 	SBUF=ch;	
			; SOURCE LINE # 29
	MOV  	SBUF,R7
?C0004:
; 	while(!TI);
			; SOURCE LINE # 30
	JNB  	TI,?C0004
?C0005:
; 	TI=0;
			; SOURCE LINE # 31
	CLR  	TI
; }
			; SOURCE LINE # 32
	RET  	
; END OF _putchar

; #endif
; 
; 
; #ifdef __putstring
; void putcstring(unsigned char *str)  // 将1个字符串从串口送出, 自定义I/O函数
; {
; 	unsigned char ch;
; 	while(1){
; 		ch = *str;
; 		if(ch==0)break;
; 		putchar(ch);
; 		++str;
; 	}
; }
; #endif
; 
; #ifdef __putcstring
; void putcstring(unsigned char code *str)  // 将1个字符串从串口送出, 自定义I/O函数

	RSEG  ?PR?_putcstring?IO
_putcstring:
	USING	0
			; SOURCE LINE # 50
;---- Variable 'str?241' assigned to Register 'DPTR' ----
	MOV  	DPL,R7
	MOV  	DPH,R6
; {
			; SOURCE LINE # 51
?C0007:
; 	unsigned char ch;
; 	while(1){
			; SOURCE LINE # 53
; 		ch = *str;
			; SOURCE LINE # 54
	CLR  	A
	MOVC 	A,@A+DPTR
;---- Variable 'ch?242' assigned to Register 'R6' ----
	MOV  	R6,A
; 		if(ch==0)break;
			; SOURCE LINE # 55
	JZ   	?C0010
?C0009:
; 		putchar(ch);
			; SOURCE LINE # 56
	MOV  	R7,AR6
	LCALL	_putchar
; 		++str;
			; SOURCE LINE # 57
	INC  	DPTR
; 	}
			; SOURCE LINE # 58
	SJMP 	?C0007
; }
			; SOURCE LINE # 59
?C0010:
	RET  	
; END OF _putcstring

	END