main.s

学习AVR单片机的基础实验程序 适合初学者学习提高

	.module main.c
	.area text(rom, con, rel)
	.dbfile D:\AVR\我的程序\按键实验/cfg.h
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 10
; /***********************************
; *实验目的：熟悉按键操作编程
; *设    计：萧联珠
; *日    期：2007-11-18
; ************************************/
; #include <iom16v.h>
; #include "cfg.h"
; 
; void main()
; {
	.dbline 11
;  port_init();
	clr R2
	out 0x1a,R2
	.dbline 12
;  while(1)
	ldi R24,255
	out 0x1b,R24
	.dbline 14
;  {
;    key();
	out 0x17,R24
	.dbline 15
;   }
	out 0x18,R24
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e key _key fV
	.even
_key::
	.dbline -1
	.dbline 20
; }
;    
;    
;    
;    
	.dbline 21
;    
	sbic 0x19,0
	rjmp L3
	.dbline 22
;    
	.dbline 23
;    
	ldi R24,254
	out 0x18,R24
	.dbline 24
;    
L3:
	.dbline 26
;    
;    
	sbic 0x19,1
	rjmp L5
	.dbline 27
;    
	.dbline 28
;    
	ldi R24,253
	out 0x18,R24
	.dbline 29
;    
L5:
	.dbline 31
;    
;    
	sbic 0x19,2
	rjmp L7
	.dbline 32
;    
	.dbline 33
;    
	ldi R24,251
	out 0x18,R24
	.dbline 34
;    
L7:
	.dbline 35
;    
	sbic 0x19,3
	rjmp L9
	.dbline 36
;    
	.dbline 37
;    
	ldi R24,247
	out 0x18,R24
	.dbline 38
;    
L9:
	.dbline 40
;    
;    
	sbic 0x19,4
	rjmp L11
	.dbline 41
;    
	.dbline 42
;    
	ldi R24,239
	out 0x18,R24
	.dbline 43
;    
L11:
	.dbline 45
;    
;    
	sbic 0x19,5
	rjmp L13
	.dbline 46
;    
	.dbline 47
;    
	ldi R24,223
	out 0x18,R24
	.dbline 48
;    
L13:
	.dbline 50
;    
;    
	sbic 0x19,6
	rjmp L15
	.dbline 51
;    
	.dbline 52
;    
	ldi R24,191
	out 0x18,R24
	.dbline 53
;    
L15:
	.dbline 55
	sbic 0x19,7
	rjmp L17
	.dbline 56
	.dbline 57
	ldi R24,-129
	ldi R25,-1
	out 0x18,R24
	.dbline 58
L17:
	.dbline -2
L2:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfile D:\AVR\我的程序\按键实验\main.c
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 10
	.dbline 11
	xcall _port_init
	xjmp L21
L20:
	.dbline 13
	.dbline 14
	xcall _key
	.dbline 15
L21:
	.dbline 12
	xjmp L20
X0:
	.dbline -2
L19:
	.dbline 0 ; func end
	ret
	.dbend