📄 ncrt0.a30
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;*************************************************************************** ;
; C COMPILER for M16C/60
; Copyright 1995,1996,1997 MITSUBISHI ELECTRIC CORPORATION
; AND MITSUBISHI ELECTRIC SEMICONDUCTOR SYSTEMS CORPORATION
; All Rights Reserved.
;
; ncrt0.a30 : NC30 startup program
;
; This program is applicable when using the basic I/O library
;
; $Id: ncrt0.a30 1.4 1999/05/20 09:17:43 monnai Exp $
;
;***************************************************************************
;---------------------------------------------------------------------
; HEEP SIZE definition
;---------------------------------------------------------------------
HEAPSIZE .equ 300h
;---------------------------------------------------------------------
; STACK SIZE definition
;---------------------------------------------------------------------
STACKSIZE .equ 0h
;---------------------------------------------------------------------
; INTERRUPT STACK SIZE definition
;---------------------------------------------------------------------
ISTACKSIZE .equ 100h
;---------------------------------------------------------------------
; INTERRUPT VECTOR ADDRESS definition
;---------------------------------------------------------------------
VECTOR_ADR .equ 0ffd00h
;---------------------------------------------------------------
; special page defination
;---------------------------------------------------------------
; macro define for special page
;
;Format:
; SPECIAL number
;
SPECIAL .macro NUM
.org 0FFFFEH-(NUM*2)
.glb __SPECIAL_@NUM
.word __SPECIAL_@NUM & 0FFFFH
.endm
;---------------------------------------------------------------------
; Section allocation
;---------------------------------------------------------------------
.list OFF
.include sect30.inc
.list ON
;---------------------------------------------------------------------
; SBDATA area definition
;---------------------------------------------------------------------
.glb __SB__
__SB__ .equ data_SE_top
;====================================================================
; Initialize Macro declaration
;---------------------------------------------------------------------
N_BZERO .macro TOP_ ,SECT_
mov.b #00H, R0L
mov.w #(TOP_ & 0FFFFH), A1
mov.w #sizeof SECT_ , R3
sstr.b
.endm
N_BCOPY .macro FROM_,TO_,SECT_
mov.w #(FROM_ & 0FFFFH),A0
mov.b #(FROM_ >>16),R1H
mov.w #TO_ ,A1
mov.w #sizeof SECT_ , R3
smovf.b
.endm
BZERO .macro TOP_,SECT_
push.w #sizeof SECT_ >> 16
push.w #sizeof SECT_ & 0ffffh
pusha TOP_ >>16
pusha TOP_ & 0ffffh
.glb _bzero
jsr.a _bzero
.endm
BCOPY .macro FROM_ ,TO_ ,SECT_
push.w #sizeof SECT_ >> 16
push.w #sizeof SECT_ & 0ffffh
pusha TO_ >>16
pusha TO_ & 0ffffh
pusha FROM_ >>16
pusha FROM_ & 0ffffh
.glb _bcopy
jsr.a _bcopy
.endm
;====================================================================
; Interrupt section start
;---------------------------------------------------------------------
.glb start
.section interrupt
start:
;---------------------------------------------------------------------
; after reset,this program will start
;---------------------------------------------------------------------
ldc #istack_top, isp ;set istack pointer
bset 1,0ah
mov.b #00h,04h ;set processer mode
bclr 1,0ah
;;; ldc #0080h, flg
;;; ldc #stack_top, sp ;set stack pointer
ldc #data_SE_top, sb ;set sb register
ldintb #VECTOR_ADR
;====================================================================
; NEAR area initialize.
;--------------------------------------------------------------------
; bss zero clear
;--------------------------------------------------------------------
N_BZERO bss_SE_top,bss_SE
N_BZERO bss_SO_top,bss_SO
N_BZERO bss_NE_top,bss_NE
N_BZERO bss_NO_top,bss_NO
;---------------------------------------------------------------------
; initialize data section
;---------------------------------------------------------------------
N_BCOPY data_SEI_top,data_SE_top,data_SE
N_BCOPY data_SOI_top,data_SO_top,data_SO
N_BCOPY data_NEI_top,data_NE_top,data_NE
N_BCOPY data_NOI_top,data_NO_top,data_NO
;====================================================================
; FAR area initialize.
;---------------------------------------------------------------------
; bss zero clear
;---------------------------------------------------------------------
BZERO bss_FE_top,bss_FE
BZERO bss_FO_top,bss_FO
;---------------------------------------------------------------------
; Copy edata_E(O) section from edata_EI(OI) section
;---------------------------------------------------------------------
BCOPY data_FEI_top,data_FE_top,data_FE
BCOPY data_FOI_top,data_FO_top,data_FO
;;; ldc #stack_top,sp
;====================================================================
; heap area initialize
;---------------------------------------------------------------------
.glb __mbase
.glb __mnext
.glb __msize
mov.w #(heap_top&0FFFFH), __mbase
mov.w #(heap_top>>16), __mbase+2
mov.w #(heap_top&0FFFFH), __mnext
mov.w #(heap_top>>16), __mnext+2
mov.w #(HEAPSIZE&0FFFFH), __msize
mov.w #(HEAPSIZE>>16), __msize+2
;====================================================================
; Initialize standard I/O
;---------------------------------------------------------------------
.glb _init
jsr.a _init
;====================================================================
; Call main() function
;---------------------------------------------------------------------
ldc #0h,fb ; for debuger
;;; .glb _main
;;; jsr.a _main
ldc #istack_top, isp ;set istack pointer
.glb _vini_sys
jsr.a _vini_sys
;====================================================================
; exit() function
;---------------------------------------------------------------------
.glb _exit
.glb $exit
_exit: ; End program
$exit:
jmp _exit
;====================================================================
; dummy interrupt function
;---------------------------------------------------------------------
dummy_int:
reit
.end
;***************************************************************************
;
; C COMPILER for M16C/60
; Copyright 1995,1996,1997 MITSUBISHI ELECTRIC CORPORATION
; AND MITSUBISHI ELECTRIC SEMICONDUCTOR SYSTEMS CORPORATION
; All Rights Reserved.
;
;***************************************************************************
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