isr.asm

来自「用凌阳单片机作的一个语音程序」· 汇编 代码 · 共 31 行

.text
.include hardware.inc
.include A2000.inc
.include Resource.inc



.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_A2000;
	POP r1,r4 from[sp];
	RETI;
L_FIQ_TimerB:
	[P_INT_Clear]=r1;
	POP r1,r4 from[sp];
	RETI;