time0.s

AVR基本外设测试程序

	.module time0.c
	.area vector(rom, abs)
	.org 18
	rjmp _timet0_ovf
	.area data(ram, con, rel)
L2:
	.blkb 2
	.area idata
	.word 110
	.area data(ram, con, rel)
L3:
	.blkb 2
	.area idata
	.word 190
	.area data(ram, con, rel)
L4:
	.blkb 2
	.area idata
	.word 800
	.area data(ram, con, rel)
	.area text(rom, con, rel)
	.dbfile C:\avr3\time0.c
	.dbfunc e timet0_ovf _timet0_ovf fV
	.dbsym s M05_CONT L4 i
	.dbsym s BEEP2_CONT L3 i
	.dbsym s BEEP1_CONT L2 i
	.even
_timet0_ovf::
	st -y,R2
	st -y,R3
	st -y,R24
	st -y,R25
	st -y,R30
	in R2,0x3f
	st -y,R2
	.dbline -1
	.dbline 5
; #include"sga.h" 
; /*=============定时器0中断函数==============*/
;  #pragma interrupt_handler timet0_ovf:10
;   void timet0_ovf(void)               
;   {
	.dbline 10
;    	  static unsigned int 
; 	  		 BEEP1_CONT=110,
; 			 BEEP2_CONT=190,
; 	  		 M05_CONT=800;  
;    	    SREG =0X80;	 //重新开放中断
	ldi R24,128
	out 0x3f,R24
	.dbline 11
;   	    TCNT0=0XEE;   //重装1.25MS的定时初值
	ldi R24,238
	out 0x32,R24
	.dbline 12
; 		DDRB|=BIT(PB0);
	sbi 0x17,0
	.dbline 13
; 		PORTB|=BIT(PB0);                       
	sbi 0x18,0
	.dbline 14
; 	    M05_CONT--;
	lds R24,L4
	lds R25,L4+1
	sbiw R24,1
	sts L4+1,R25
	sts L4,R24
	.dbline 15
; 	    if(M05_CONT==0)
	cpi R24,0
	cpc R24,R25
	brne L5
X0:
	.dbline 16
; 	    {
	.dbline 17
; 	       M05_CONT=800;
	ldi R24,800
	ldi R25,3
	sts L4+1,R25
	sts L4,R24
	.dbline 18
; 		   if(MBZ==0)   { MBZ=1; }
	lds R2,_MBZ
	tst R2
	brne L7
	.dbline 18
	.dbline 18
	ldi R24,1
	sts _MBZ,R24
	.dbline 18
	rjmp L8
L7:
	.dbline 19
; 		   else         { MBZ=0; }
	.dbline 19
	clr R2
	sts _MBZ,R2
	.dbline 19
L8:
	.dbline 20
; 	    }
L5:
	.dbline 21
; 		if(BIT_80&0x80==0x80)
	lds R2,_BIT_80
	sbrs R2,0
	rjmp L9
	.dbline 22
; 		{
	.dbline 23
; 		 	BUZZ_NO;
	cbi 0x12,6
	.dbline 24
; 		    if((BEEP1_CONT--)==1)
	lds R2,L2
	lds R3,L2+1
	movw R24,R2
	sbiw R24,1
	sts L2+1,R25
	sts L2,R24
	movw R24,R2
	cpi R24,1
	ldi R30,0
	cpc R25,R30
	brne L11
	.dbline 25
; 	          {
	.dbline 26
;  	           BEEP1_CONT=110;
	ldi R24,110
	ldi R25,0
	sts L2+1,R25
	sts L2,R24
	.dbline 27
; 	           BUZZ_YE;
	sbi 0x12,6
	.dbline 28
; 	           BIT_80&=0x7f;//a.BEEP1=0;
	lds R24,_BIT_80
	andi R24,127
	sts _BIT_80,R24
	.dbline 29
; 	          }
L11:
	.dbline 30
; 		}
L9:
	.dbline 32
; /*==========响铃2次函数设置============*/	
; 			if(BIT_80&0x40==0x40)		//响铃2次beep2
	lds R2,_BIT_80
	sbrs R2,0
	rjmp L13
	.dbline 33
; 	{
	.dbline 34
; 		--BEEP2_CONT;
	lds R24,L3
	lds R25,L3+1
	sbiw R24,1
	sts L3+1,R25
	sts L3,R24
	.dbline 35
; 		if(BEEP2_CONT>113)
	ldi R24,113
	ldi R25,0
	lds R2,L3
	lds R3,L3+1
	cp R24,R2
	cpc R25,R3
	brsh L15
	.dbline 36
; 		{
	.dbline 37
; 			BUZZ_NO;
	cbi 0x12,6
	.dbline 38
; 		}else
	rjmp L16
L15:
	.dbline 39
; 		if(BEEP2_CONT>75)
	ldi R24,75
	ldi R25,0
	lds R2,L3
	lds R3,L3+1
	cp R24,R2
	cpc R25,R3
	brsh L17
	.dbline 40
; 		{
	.dbline 41
; 			BUZZ_YE;
	sbi 0x12,6
	.dbline 42
; 		}else
	rjmp L18
L17:
	.dbline 43
; 		if(BEEP2_CONT>0)
	lds R2,L3
	lds R3,L3+1
	tst R2
	brne X1
	tst R3
	breq L19
X1:
	.dbline 44
; 		{
	.dbline 45
; 			BUZZ_NO;
	cbi 0x12,6
	.dbline 46
; 		}else
	rjmp L20
L19:
	.dbline 47
; 		if(BEEP2_CONT==0)
	lds R2,L3
	lds R3,L3+1
	tst R2
	brne L21
	tst R3
	brne L21
X2:
	.dbline 48
; 		{
	.dbline 49
; 			BUZZ_YE;
	sbi 0x12,6
	.dbline 50
; 			BIT_80&=0xbf;
	lds R24,_BIT_80
	andi R24,191
	sts _BIT_80,R24
	.dbline 51
; 			BEEP2_CONT=190;
	ldi R24,190
	ldi R25,0
	sts L3+1,R25
	sts L3,R24
	.dbline 52
; 		}
L21:
L20:
L18:
L16:
	.dbline 53
; 	}
L13:
	.dbline 55
; /*==========响铃2次函数结束============*/		
; 	++TMS;
	lds R24,_TMS
	lds R25,_TMS+1
	adiw R24,1
	sts _TMS+1,R25
	sts _TMS,R24
	.dbline -2
L1:
	ld R2,y+
	out 0x3f,R2
	ld R30,y+
	ld R25,y+
	ld R24,y+
	ld R3,y+
	ld R2,y+
	.dbline 0 ; func end
	reti
	.dbend