lcd1602.s

mega8的1602液晶驱动。。。。。。。。

	.module LCD1602.c
	.area text(rom, con, rel)
	.dbfile C:\DOCUME~1\Myers\桌面\2121\LCD1602.c
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 13
; /*----------------------------------------------------
; 主函数
; 编译器：ICC-AVR v6.31A 
; 目标芯片 : M8
; 时钟: 8.0000Mhz
; ---------------------------------------------------*/
; // Target : M8
; // Crystal: 8.0000Mhz
; 
; #include "LCD1602.h"
; 
; void port_init(void)
; {
	.dbline 14
;  PORTB = 0x00;
	clr R2
	out 0x18,R2
	.dbline 15
;  DDRB  = 0x00;
	out 0x17,R2
	.dbline 16
;  PORTC = 0x00; //m103 output only
	out 0x15,R2
	.dbline 17
;  DDRC  = 0x00;
	out 0x14,R2
	.dbline 18
;  PORTD = 0x00;
	out 0x12,R2
	.dbline 19
;  DDRD  = 0x0F;
	ldi R24,15
	out 0x11,R24
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e init_devices _init_devices fV
	.even
_init_devices::
	.dbline -1
	.dbline 23
; }
; 
; void init_devices(void)
; {
	.dbline 24
;   CLI(); //disable all interrupts
	cli
	.dbline 25
;   port_init();
	rcall _port_init
	.dbline 26
;   LCD_init();
	rcall _LCD_init
	.dbline 27
;   MCUCR = 0x00;
	clr R2
	out 0x35,R2
	.dbline 28
;   GICR  = 0x00;
	out 0x3b,R2
	.dbline 29
;   TIMSK = 0x00; //timer interrupt sources
	out 0x39,R2
	.dbline 30
;   SEI(); //re-enable interrupts
	sei
	.dbline -2
L2:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	sbiw R28,2
	.dbline -1
	.dbline 34
; }
; 
; void main(void)
; {
	.dbline 35
;    init_devices();
	rcall _init_devices
	.dbline 36
;    LCD_write_string(1,0,"Hi!!");
	ldi R24,<L4
	ldi R25,>L4
	std y+1,R25
	std y+0,R24
	clr R18
	ldi R16,1
	rcall _LCD_write_string
	.dbline 37
;    for(;;)
L5:
	.dbline 38
	.dbline 39
	ldi R24,<L9
	ldi R25,>L9
	std y+1,R25
	std y+0,R24
	ldi R18,1
	clr R16
	rcall _LCD_write_string
	.dbline 40
	ldi R24,56
	std y+0,R24
	clr R18
	ldi R16,6
	rcall _LCD_write_char
	.dbline 41
	.dbline 37
	.dbline 37
	rjmp L5
X0:
	.dbline -2
L3:
	adiw R28,2
	.dbline 0 ; func end
	ret
	.dbend
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\Myers\桌面\2121\LCD1602.c
L9:
	.blkb 11
	.area idata
	.byte 'a,'r,'c,'h,'e,'n,'g,53,48,52,0
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\Myers\桌面\2121\LCD1602.c
L4:
	.blkb 5
	.area idata
	.byte 'H,'i,33,33,0
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\Myers\桌面\2121\LCD1602.c