fiq.asm

基于SPE061A(凌阳单片机)SD卡存储扩展

//========================================================
//	文件名称：	FIQ.asm
//	功能描述：	MusicBox.spj工程中断服务文件
//	维护记录：	2005-12-14	v1.0
//========================================================

.include a2000.inc
.include spce061a.inc
.include key.inc

.EXTERNAL _g_uiDAC			// 全局变量，存储DA数据
.EXTERNAL _EQ				// 外部函数声明

.text

.public _FIQ
_FIQ:
	push r1,r5 to [sp]
	r1 = C_FIQ_TMA
	test r1,[P_INT_Ctrl]
	jnz L_FIQ_TimerA
	r1 = C_FIQ_TMB
	test r1,[P_INT_Ctrl]
	jnz L_FIQ_TimerB
L_FIQ_PWM:
	r1 = C_FIQ_PWM
	[P_INT_Clear] = r1
	pop r1,r5 from [sp]
	reti
L_FIQ_TimerA:
	[P_INT_Clear] = r1
	r1 = [P_DAC1]			// 取出DA值,做均衡器
	[_g_uiDAC] = r1			// 存入全局变量
	call F_FIQ_Service_SACM_A2000

L_FIQ_Exit:
	pop r1,r5 from [sp]
	reti
L_FIQ_TimerB:
	[P_INT_Clear] = r1
	pop r1,r5 from [sp]
	reti

.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
	call _EQ				// 调用显示函数
	pop r1,r5 from [sp]
	reti
L_IRQ6_TMB2:
	call F_Key_Scan			// 在128Hz中调用扫描键盘
	r1 = C_IRQ6_TMB2
	[P_INT_Clear] = r1
	pop r1,r5 from [sp]
	reti

.public _IRQ0
_IRQ0:
	push r1,r5 to [sp]
	pop r1,r5 from [sp]
	reti
	
.public _IRQ1
_IRQ1:
	push r1,r5 to [sp]
	pop r1,r5 from [sp]
	reti

.public _IRQ2
_IRQ2:
	push r1,r5 to [sp]
	pop r1,r5 from [sp]
	reti

.public _IRQ3
_IRQ3:
	push r1,r5 to [sp]
	pop r1,r5 from [sp]
	reti

.public _IRQ4
_IRQ4:
	push r1,r5 to [sp]
	r1 = C_IRQ4_4KHz
	test r1,[P_INT_Ctrl]
	jnz L_IRQ4_4KHz
	r1 = C_IRQ4_2KHz
	test r1,[P_INT_Ctrl]
	jnz L_IRQ4_2KHz
L_IRQ4_1KHz:
	r1 = C_IRQ4_1KHz
	[P_INT_Clear] = r1
	pop r1,r5 from [sp]
	reti
L_IRQ4_2KHz:
	r1 = C_IRQ4_2KHz
	[P_INT_Clear] = r1
	pop r1,r5 from [sp]
	reti
L_IRQ4_4KHz:
	r1 = C_IRQ4_4KHz
	[P_INT_Clear] = r1
	pop r1,r5 from [sp]
	reti

.public _IRQ5
_IRQ5:
	push r1,r5 to [sp]
	r1 = C_IRQ5_2Hz
	test r1,[P_INT_Ctrl]
	jnz L_IRQ5_2Hz
L_IRQ5_4Hz:
	r1 = C_IRQ5_4Hz
	[P_INT_Clear] = r1
//	call _EQ
	pop r1,r5 from [sp]
	reti
L_IRQ5_2Hz:
	r1 = C_IRQ5_2Hz
	[P_INT_Clear] = r1
	pop r1,r5 from [sp]
	reti

.public _IRQ7
_IRQ7:
	push r1,r5 to [sp]
	pop r1,r5 from [sp]
	reti

.public _BREAK
_BREAK:
	push r1,r5 to [sp]
	pop r1,r5 from [sp]
	reti