📄 lcd.src
字号:
; .\lcd.SRC generated from: lcd.c
; COMPILER INVOKED BY:
; C:\Keil\C51\BIN\C51.EXE lcd.c DEBUG OBJECTEXTEND SRC(.\lcd.SRC)
$NOMOD51
NAME LCD
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?_write_LCD_command?LCD SEGMENT CODE
?PR?_write_LCD_data?LCD SEGMENT CODE
?PR?init_LCD?LCD SEGMENT CODE
?PR?clear_LCD?LCD SEGMENT CODE
?PR?_display_LCD_string?LCD SEGMENT CODE
?DT?_display_LCD_string?LCD SEGMENT DATA OVERLAYABLE
?PR?_display_LCD_number?LCD SEGMENT CODE
?DT?_display_LCD_number?LCD SEGMENT DATA OVERLAYABLE
?PR?_gotoxy?LCD SEGMENT CODE
?DT?_gotoxy?LCD SEGMENT DATA OVERLAYABLE
?PR?_delay100us?LCD SEGMENT CODE
?CO?LCD SEGMENT CODE
EXTRN CODE (?C?CLDPTR)
EXTRN CODE (?C?SCDIV)
PUBLIC int2charLCD
PUBLIC _delay100us
PUBLIC _gotoxy
PUBLIC _display_LCD_number
PUBLIC _display_LCD_string
PUBLIC clear_LCD
PUBLIC init_LCD
PUBLIC _write_LCD_data
PUBLIC _write_LCD_command
RSEG ?DT?_display_LCD_string?LCD
?_display_LCD_string?BYTE:
p?442: DS 3
RSEG ?DT?_gotoxy?LCD
?_gotoxy?BYTE:
y?647: DS 2
RSEG ?DT?_display_LCD_number?LCD
?_display_LCD_number?BYTE:
y?545: DS 1
RSEG ?CO?LCD
int2charLCD:
DB '0' ,'1' ,'2' ,'3' ,'4' ,'5' ,'6' ,'7' ,'8' ,'9'
DB 000H
; #include<REGX51.h>
; #include<LCD.h>
; char code int2charLCD[]="0123456789";
; void write_LCD_command(unsigned command)
RSEG ?PR?_write_LCD_command?LCD
_write_LCD_command:
USING 0
; SOURCE LINE # 4
;---- Variable 'command?040' assigned to Register 'R6/R7' ----
; {rw=WRITE;
; SOURCE LINE # 5
CLR P3_4
; rs=COMMAND;
; SOURCE LINE # 6
CLR P3_5
; enable=ENABLE;
; SOURCE LINE # 7
; P1=command;
; SOURCE LINE # 8
; delay100us(20);
; SOURCE LINE # 9
LCALL L?0017
; enable=DISABLE;
; SOURCE LINE # 10
CLR P3_3
; rw=1;
; SOURCE LINE # 11
SETB P3_4
; }
; SOURCE LINE # 12
RET
; END OF _write_LCD_command
; void write_LCD_data(unsigned LCDdata)
RSEG ?PR?_write_LCD_data?LCD
_write_LCD_data:
USING 0
; SOURCE LINE # 13
;---- Variable 'LCDdata?141' assigned to Register 'R6/R7' ----
; {rw=WRITE;
; SOURCE LINE # 14
CLR P3_4
; rs=DATA;
; SOURCE LINE # 15
SETB P3_5
; enable=ENABLE;
; SOURCE LINE # 16
; P1=LCDdata;
; SOURCE LINE # 17
; delay100us(20);
; SOURCE LINE # 18
LCALL L?0017
; enable=DISABLE;
; SOURCE LINE # 19
CLR P3_3
; rw=1;
; SOURCE LINE # 20
SETB P3_4
; }
; SOURCE LINE # 21
RET
; END OF _write_LCD_data
; void init_LCD(void)
RSEG ?PR?init_LCD?LCD
init_LCD:
USING 0
; SOURCE LINE # 22
; { write_LCD_command(Twoline_8bit);
; SOURCE LINE # 23
MOV R7,#038H
MOV R6,#00H
LCALL _write_LCD_command
; write_LCD_command(CURSOR_OFF);
; SOURCE LINE # 24
MOV R7,#0CH
MOV R6,#00H
LCALL _write_LCD_command
; write_LCD_command(CURSOR_RIGHT);
; SOURCE LINE # 25
MOV R7,#06H
MOV R6,#00H
LJMP _write_LCD_command
; END OF init_LCD
; }
; void clear_LCD(void)
RSEG ?PR?clear_LCD?LCD
clear_LCD:
USING 0
; SOURCE LINE # 27
; {write_LCD_command(CLEAR);
; SOURCE LINE # 28
MOV R7,#01H
MOV R6,#00H
LCALL _write_LCD_command
; write_LCD_command(CURSOR_HOME);
; SOURCE LINE # 29
MOV R7,#02H
MOV R6,#00H
LJMP _write_LCD_command
; END OF clear_LCD
; }
; void display_LCD_string(char *p)
RSEG ?PR?_display_LCD_string?LCD
_display_LCD_string:
USING 0
; SOURCE LINE # 31
MOV p?442,R3
MOV p?442+01H,R2
MOV p?442+02H,R1
; { while(*p)
; SOURCE LINE # 32
?C0005:
MOV R3,p?442
MOV R2,p?442+01H
MOV R1,p?442+02H
LCALL ?C?CLDPTR
MOV R7,A
JZ ?C0007
; {write_LCD_data(*p);
; SOURCE LINE # 33
RLC A
SUBB A,ACC
MOV R6,A
LCALL _write_LCD_data
; p++;
; SOURCE LINE # 34
MOV A,#01H
ADD A,p?442+02H
MOV p?442+02H,A
CLR A
ADDC A,p?442+01H
MOV p?442+01H,A
; } }
; SOURCE LINE # 35
SJMP ?C0005
?C0007:
RET
; END OF _display_LCD_string
; void display_LCD_number(char number)
RSEG ?PR?_display_LCD_number?LCD
_display_LCD_number:
USING 0
; SOURCE LINE # 36
;---- Variable 'number?543' assigned to Register 'R7' ----
; { unsigned char x,y;
; SOURCE LINE # 37
; x=number/10;
; SOURCE LINE # 38
MOV A,R7
MOV B,#0AH
LCALL ?C?SCDIV
MOV R6,A
;---- Variable 'x?544' assigned to Register 'R6' ----
; y=number-10*x;
; SOURCE LINE # 39
MOV B,#0AH
MUL AB
MOV R5,A
CLR C
MOV A,R7
SUBB A,R5
MOV y?545,A
; write_LCD_data(int2charLCD[x]);
; SOURCE LINE # 40
MOV A,R6
MOV DPTR,#int2charLCD
MOVC A,@A+DPTR
MOV R7,A
RLC A
SUBB A,ACC
MOV R6,A
LCALL _write_LCD_data
; write_LCD_data(int2charLCD[y]);
; SOURCE LINE # 41
MOV A,y?545
MOV DPTR,#int2charLCD
MOVC A,@A+DPTR
MOV R7,A
RLC A
SUBB A,ACC
MOV R6,A
LJMP _write_LCD_data
; END OF _display_LCD_number
; }
; void gotoxy(unsigned x,unsigned y)
RSEG ?PR?_gotoxy?LCD
_gotoxy:
USING 0
; SOURCE LINE # 43
MOV y?647,R4
MOV y?647+01H,R5
;---- Variable 'x?646' assigned to Register 'R6/R7' ----
; { if(x==1)
; SOURCE LINE # 44
MOV A,R7
XRL A,#01H
ORL A,R6
JNZ ?C0009
; write_LCD_command(GOTO_LINE_1+y);
; SOURCE LINE # 45
MOV A,y?647+01H
ADD A,#080H
SJMP ?C0016
?C0009:
; else
; write_LCD_command(GOTO_LINE_2+y) ;
; SOURCE LINE # 47
MOV A,y?647+01H
ADD A,#0C0H
?C0016:
MOV R7,A
CLR A
ADDC A,y?647
MOV R6,A
LCALL _write_LCD_command
; }
; SOURCE LINE # 48
?C0011:
RET
; END OF _gotoxy
; void delay100us(unsigned char i)
RSEG ?PR?_delay100us?LCD
L?0017:
USING 0
SETB P3_3
MOV P1,R7
MOV R7,#014H
MOV R6,#00H
_delay100us:
USING 0
; SOURCE LINE # 49
;---- Variable 'i?748' assigned to Register 'R7' ----
; {
; SOURCE LINE # 50
;
; for(;i<255;i++);
; SOURCE LINE # 52
?C0012:
MOV A,R7
CLR C
SUBB A,#0FFH
JNC ?C0015
INC R7
SJMP ?C0012
;
; } ; SOURCE LINE # 54
?C0015:
RET
; END OF _delay100us
END
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -