isr.asm

来自「到車控制系統 C語言(單晶片控制) 可搭配語音檔」· 汇编 代码 · 共 40 行

.INCLUDE a2000.inc
.INCLUDE hardware.inc

.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				
	
	call F_FIQ_Service_SACM_A2000	
	
	pop r1,r5 from [sp]
	reti
L_FIQ_TimerB:
	[P_INT_Clear] = r1
	pop r1,r5 from [sp]
	reti
.CODE

.DEFINE		P_INT_Ctrl_New			0x702D		
.PUBLIC _Save_INTSetting
_Save_INTSetting:
	r1 = [P_INT_Ctrl_New]
	[R_InterruptStatus] = r1					
	retf