intr_i0.a30

本程序实现在M16C上的AD转换

;""FILE COMMENT""**************************************************************
;  System Name : This program is only for education.
;  File Name   : intr_i0.a30
;  Contents    : Practice 8-A  interrupt control -sample-
;  Model       : OAKS16-LCD Board 
;  CPU         : M16C/60 Serials
;  Assembler   : NC30WA(V.4.00 Release 2 - Entry)
;  Linker      : (ln30) for M16C Family Version 4.00.01
;  OS          : no use 
;  Programer   : RENESAS Semiconductor Training Center
;  Note        : FOR OAKS16-M30620FCAFP(M16C/62 group,16MHz) 
;******************************************************************************
; COPYRIGHT(C) 2003 RENESAS TECHNOLOGY CORPORATION ALL RIGHTS RESERVED 
;               AND RENESAS SOLUTIONS CORPORATION ALL RIGHTS RESERVED
;******************************************************************************
; History       : ---
;""FILE COMMENT END""**********************************************************


;""SUBR COMMENT""**************************************************************
; ID               : ---
; Subroutine name  : int0
; Function         : control INT0 interrupt caused by depressing sw9 every time,
;		   : and left-shift SingleLED to be turned on. 
; Input            : NON
; Output           : NON
; Called subroutine: _INTint0
; Stack            : 16bytes
; Causion          : this is an interrupt program.
;                  : the start address of this program must be set in advance 
;                  : to interrupt vector table in file sect.inc. 
; History          : ---
;""SUBR COMMENT END""**********************************************************
        .section        program         ; have the same section with C program

        .glb            ta0            ; global declaration
	 .glb            _abc
ta0:
		;rot.b	#1,03E4H	; left-shift one bit of SingleLED (rotate)
              pushm r0,r1,r2,r3,a0,a1,fb
		jsr   _abc
		popm r0,r1,r2,r3,a0,a1,fb
ta0_end:
        reit


;""SUBR COMMENT""**************************************************************
; ID                : 
; Subroutine name   : _ei
; Function          : setting enable interrupt flag(俬)( enable interrupt). 
; Input             : NON
; Output            : NON
; Called subroutine : NON
; Stack             : 0bytes
; Causion           : NON
; History           : ---
;""SUBR COMMENT END""**********************************************************
        .section        program         ; 
;(Qustion)please write a function
        .glb    _ei                     ; global declaration
_ei:
        fset    I                       ;  setting enable interrupt flag
_ei_end:
        rts


;""SUBR COMMENT""**************************************************************
; ID                : ---
; Subroutine name   : _di
; Function          : setting disable interrupt flag(俬)( disable interrupt). 
; Input             : NON
; Output            : NON
; Called subroutine : NON
; Stack             : 0bytes
; Causion           : NON
; History           : ---
;""SUBR COMMENT END""**********************************************************
        .section        program         ; 
;(Qustion)please write a function
        .glb    _di                     ; global declaration
_di:
        fclr    I                       ; clearing enable interrupt falg
_di_end:
        rts

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