intr_i0.a30

一个瑞萨单片机的程序。。。供大家学习用。。。。。。。。。。。。。。。。。。

;""FILE COMMENT""**************************************************************
;  System Name : for eduction (NO TRANSFERRING)
;  File Name   : intr_i0.a30
;  Contents    : interrupt processing
;  Model       : for OAKS8-LCD Board
;  CPU         : R8C/Tiny series
;  Compiler    : NC30WA	V.5.30 Release 1
;  OS          : not be used
;  Programer   : RENESAS Semiconductor Training Center
;  Note        : for OAKS8-R5F21114FP(R8C/11 group,20MHz)
;******************************************************************************
; COPYRIGHT(C) 2004 RENESAS TECHNOLOGY CORPORATION
; AND RENESAS SOLUTIONS CORPORATION ALL RIGHTS RESERVED
;******************************************************************************
; History      : ---
;""FILE COMMENT END""*********************************************************

;fill the blank (___) below with suitable word,丄
;complete the program

;""SUBR COMMENT""**************************************************************
; ID              : ---
; subroutine name : TX
; function        : run with the timer X interrupt request
;                 : control timer X interrupt                                  
; input           : none
; output          : none
; subroutine used : _INTtx
; stack           : 16 bytes
; notice          : interrupt program
;                 : it is necessary to register the interrupt program address
;                 : in interrupt vector table in section definition file
;                 : (sect_i0.inc) that is included in start up program(startup_i0.a30)
; History         : ---
;""SUBR COMMENT END""**********************************************************
        .section        program         ; same section as C program
        .glb            TimerX         	; define interrupt program
                                        ; label globally
        .glb            _INTtx			; define timer X interrupt function globally
;
;(question)
______:								; label to show
;										; interrupt program address丅
;										; set this label
;										; to interrupt vector table
;
;(question)
	_____   __,__,__,__,__,__,__		; save register value used in interrupt
										; program in stack
;
;(question)
	___		______						; call INTtx interrupt function
;
;(question)
	____    __,__,__,__,__,__,__ 		; revers register value from stack
;										; before return to interrupted program
TimerX_end:
;(question)
	____								; turn back to interrupted program


;""SUBR COMMENT""**************************************************************
; ID              : ---
; subroutine name : _ei
; function        : set interrupt permission flag(I flag)(interrupt permission)
; input           : none 
; output          : none
; subroutine used : none
; stack           : 0 byte
; notice          : none
; History         : ---
;""SUBR COMMENT END""**********************************************************
        .section        program         ; same section as C program
        .glb			_ei				; define globally
_ei:
;(question)
	____    _ 							; set interrupt permission flag as "permission"
_ei_end:
	rts									; return from function


;""SUBR COMMENT""**************************************************************
; ID              : ---
; subroutine name : _di
; function        : clear interrupt permission flag(I flag)(interrupt deny)
; input           : none
; output          : none
; subroutine used : none
; stack           : 0 byte
; notice          : none
; History         : ---
;""SUBR COMMENT END""**********************************************************
        .section        program         ; same section as C program
        .glb			_di 			; define globally
_di:
;(question)
	____    _							; set interrupt permission flag as "deny"
_di_end:
	rts									; return from function


        .end
;******************************************************************************
;       end of file
;******************************************************************************