isr.asm

凌阳单片机的语音程序3

.TEXT
 
.include	hardware.inc
.include	S240.inc
.include	Resource.inc

.external	F_FIQ_Service_SACM_S240;
                
.public	_FIQ;
_FIQ:
	PUSH	R1,R4 to [sp];
	R1 = 0x2000;
	test R1,[P_INT_Ctrl];
	jnz L_FIQ_TimerA;
	R1 = 0x0800;
	test R1,[P_INT_Ctrl];
	jnz L_FIQ_TimerB;
L_FIQ_PWM:
	R1 = C_FIQ_PWM;
	[P_INT_Clear] = R1;
	POP R1,R4 from[sp];
	RETI;
L_FIQ_TimerA:
	[P_INT_Clear]=R1;
	call F_FIQ_Service_SACM_S240;
	pop R1,R4 from [sp];
	RETI;
L_FIQ_TimerB:
	[P_INT_Clear]=R1;
	pop R1,R4 from [sp];
	RETI;
//====================================================================================
//函数：F_ClearWatchdog（）
//语法：void F_ClearWatchdog(void)
//描述：清看门狗
//参数：无
//返回：无
//====================================================================================
.code
.public _F_ClearWatchdog;
_F_ClearWatchdog: .proc
    R1 = 0x0001;
    [P_Watchdog_Clear] = R1;
    RETF;
.ENDP