isr.asm

凌阳61源码

//========================================================
//	文件名称：	isr.asm
//	功能描述：	显示数据，扫描键盘
//	维护记录：	2005-09-12	v1.0
//========================================================

.INCLUDE SPCE061A.inc
.INCLUDE Key.inc

.TEXT

.PUBLIC _IRQ6
_IRQ6:
	push r1,r5 to [sp]
	r1 = C_IRQ6_TMB2
	test r1,[P_INT_Ctrl]
	jnz ?L_IRQ6_TMB2
?L_IRQ6_TMB1:
	r1 = C_IRQ6_TMB1
	[P_INT_Clear] = r1
	pop r1,r5 from [sp]
	reti
?L_IRQ6_TMB2:
	call F_Key_Scan                           //扫描键盘，F_Key_Scan函数在Key.asm中定义
	r1 = C_IRQ6_TMB2
	[P_INT_Clear] = r1
	pop r1,r5 from [sp]
	reti