fiq.asm

来自「试验仪自检程序」· 汇编 代码 · 共 44 行

.PUBLIC _FIQ
//...............................................
.EXTERNAL _BSR_FIQ_Routine
.EXTERNAL __gIsStopRecog //变量值 = 0 辨识器忙
						 //       = 1 辨识器停止
						 

.PUBLIC _BREAK,_IRQ0, _IRQ1, _IRQ2, _IRQ3, _IRQ4, _IRQ5, _IRQ6, _IRQ7
.EXTERNAL _PlayFlag
//..................................................
.INCLUDE s480.inc;
.INCLUDE A2000.inc;
.INCLUDE resource.inc
.INCLUDE hardware.inc

.TEXT
_FIQ:
	push R1,R4 to [SP]
	R1 = [P_INT_Ctrl]
	R1 &= 0x2000
	jz ?notTimerA						//当不为TIQ_TMA，则转
	R1 = [__gIsStopRecog]
	jnz ?BSR_NotBusy					//[__gIsStopRecog]为1则转至放音处理
	call _BSR_FIQ_Routine				//为0，调用辨识子程序
	jmp ?BSR_Busy						//返回中断
?BSR_NotBusy:							//放音处理	
	call F_FIQ_Service_SACM_S480;		//播放480
?BSR_Busy:								//返回中断
?notTimerA:
	R1 = 0xa800;
    [P_INT_Clear] = R1;
	pop	R1,R4 from [SP];
	reti;
_BREAK: 
_IRQ0:
_IRQ1: 
_IRQ2: 
_IRQ3: 
_IRQ4: 
_IRQ5: 
_IRQ6: 
_IRQ7:
.END