irq35.asm

该程序是用C编写的

.include hareware.inc
.ram
.var	minsec
.var	mondayhour
.var	year
.PUBLIC _IRQ3, _IRQ5;
.EXTERNAL	_TimeCount;        // 触发计时
.EXTERNAL   halfsec        //2Hz中断，每次500ms时钟
.EXTERNAL   _TimeChangeCount;  //计时
.text
_IRQ3: 
	push r1,r5 to [sp]
	r1 = 0x0380;           //按键唤醒
    [P_INT_Clear] = r1;
	pop	r1,r5 from [sp];
	reti;
	

//--------2Hz ------//
_IRQ5: 
	push r1,r5 to [sp]
	r1 = 0x0008;
	test r1,[P_INT_Ctrl];
	jnz	L_IRQ5_4Hz;

L_IRQ5_2Hz:
	r1 = 0xFFFF;          //万年历时间///////////////////
    [halfsec] = r1;
    r1 = [_TimeCount];    //计时
	r1 += 1;
	[_TimeCount] = r1;
    r1=0x0004
    [P_INT_Clear] = r1;
	pop	r1,r5 from [sp];
	reti;