93c66.src

< 嵌入式C语言程序设计>>一书的源代码

; .\93C66.SRC generated from: 93C66.c
; COMPILER INVOKED BY:
;        C:\Keil\C51\BIN\C51.EXE 93C66.c BROWSE DEBUG OBJECTEXTEND SRC(.\93C66.SRC)

$NOMOD51

NAME	_93C66

P0	DATA	080H
P1	DATA	090H
P2	DATA	0A0H
P3	DATA	0B0H
AC	BIT	0D0H.6
T0	BIT	0B0H.4
T1	BIT	0B0H.5
EA	BIT	0A8H.7
IE	DATA	0A8H
P0_0	BIT	080H.0
P1_0	BIT	090H.0
P0_1	BIT	080H.1
FL	BIT	0D0H.1
P2_0	BIT	0A0H.0
P1_1	BIT	090H.1
P0_2	BIT	080H.2
P3_0	BIT	0B0H.0
P2_1	BIT	0A0H.1
P1_2	BIT	090H.2
P0_3	BIT	080H.3
P3_1	BIT	0B0H.1
P2_2	BIT	0A0H.2
P1_3	BIT	090H.3
P0_4	BIT	080H.4
P3_2	BIT	0B0H.2
P2_3	BIT	0A0H.3
P1_4	BIT	090H.4
P0_5	BIT	080H.5
RD	BIT	0B0H.7
P3_3	BIT	0B0H.3
P2_4	BIT	0A0H.4
P1_5	BIT	090H.5
P0_6	BIT	080H.6
P3_4	BIT	0B0H.4
P2_5	BIT	0A0H.5
P1_6	BIT	090H.6
P0_7	BIT	080H.7
P3_5	BIT	0B0H.5
ES	BIT	0A8H.4
P2_6	BIT	0A0H.6
P1_7	BIT	090H.7
P3_6	BIT	0B0H.6
P2_7	BIT	0A0H.7
IP	DATA	0B8H
P3_7	BIT	0B0H.7
RI	BIT	098H.0
CY	BIT	0D0H.7
INT0	BIT	0B0H.2
INT1	BIT	0B0H.3
TI	BIT	098H.1
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
ET2	BIT	0A8H.5
TF1	BIT	088H.7
RB8	BIT	098H.2
TH0	DATA	08CH
EX0	BIT	0A8H.0
IT0	BIT	088H.0
TH1	DATA	08DH
EX1	BIT	0A8H.2
TB8	BIT	098H.3
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
RS0	BIT	0D0H.3
PT1	BIT	0B8H.3
RS1	BIT	0D0H.4
PT2	BIT	0B8H.5
TR0	BIT	088H.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?_read_byte?93C66 SEGMENT CODE 
?DT?_read_byte?93C66 SEGMENT DATA OVERLAYABLE 
?PR?write_enable?93C66                   SEGMENT CODE 
?PR?write_disable?93C66                  SEGMENT CODE 
?PR?_write_byte?93C66                    SEGMENT CODE 
?DT?_write_byte?93C66                    SEGMENT DATA OVERLAYABLE 
?PR?_write_command?93C66                 SEGMENT CODE 
?PR?check_busy?93C66 SEGMENT CODE 
?CO?93C66            SEGMENT CODE 
	PUBLIC	int2charx
	PUBLIC	check_busy
	PUBLIC	_write_command
	PUBLIC	_write_byte
	PUBLIC	write_disable
	PUBLIC	write_enable
	PUBLIC	_read_byte

	RSEG  ?DT?_read_byte?93C66
?_read_byte?BYTE:
       temp?043:   DS   1

	RSEG  ?DT?_write_byte?93C66
?_write_byte?BYTE:
    address?346:   DS   2
 write_data?347:   DS   1

	RSEG  ?CO?93C66
int2charx:
	DB  '0' ,'1' ,'2' ,'3' ,'4' ,'5' ,'6' ,'7' ,'8' ,'9' 
	DB  'A' ,'B' ,'C' ,'D' ,'E' ,'F' ,000H


; #include	<intrins.h>
; #include	<REGX51.h>
; //
; #define 	READ    	0x0C00	/* xxxx110A8,A7-A0 */
; #define 	EWEN    	0x0980	/* xxxx1001 ,1xxxxxxx */
; #define 	WRITE   	0x0A00	/* xxxx101A8,A7-A0 */
; #define 	EWDS    	0x0800	/* xxxx1000,0xxxxxxx */
; //
; #define 	ShiftBit 	4
; #define 	SIZE 		4 
; //
; #define		CS			P0_0
; #define		SK			P0_1
; #define		DI			P0_2
; #define		DO			P0_3
; //
; char code int2charx[]="0123456789ABCDEF";
; void 			write_command(int);
; unsigned char	read_byte(int);
; void 			write_byte(int,unsigned char);
; void 			check_busy(void);
; void			write_LCD_data(unsigned);
; //
; unsigned char read_byte(int address)

	RSEG  ?PR?_read_byte?93C66
_read_byte:
	USING	0
			; SOURCE LINE # 24
;---- Variable 'address?040' assigned to Register 'R6/R7' ----
; { 
			; SOURCE LINE # 25
; 	int i,command;	
; 	unsigned char temp;
; 
; 	CS=1;
			; SOURCE LINE # 29
	SETB 	P0_0
; 	command=(READ|address);  
			; SOURCE LINE # 30
	MOV  	A,R6
	ORL  	A,#0CH
	MOV  	R6,A
;---- Variable 'command?042' assigned to Register 'R6/R7' ----
; 	write_command(command);
			; SOURCE LINE # 31
	LCALL	_write_command
; 	for(i=0;i<8;i++)		/* 弄