ti84cc/crt0.s

;--------------------------------------------------------------------------
;  crt0.s - Generic crt0.s for a Z80
;
;  Copyright (C) 2000, Michael Hope
;
;  This library is free software; you can redistribute it and/or modify it
;  under the terms of the GNU General Public License as published by the
;  Free Software Foundation; either version 2, or (at your option) any
;  later version.
;
;  This library is distributed in the hope that it will be useful,
;  but WITHOUT ANY WARRANTY; without even the implied warranty of
;  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;  GNU General Public License for more details.
;
;  You should have received a copy of the GNU General Public License 
;  along with this library; see the file COPYING.GPL2. If not, write
;  to the Free Software Foundation, 51 Franklin Street, Fifth Floor,
;  Boston, MA 02110-1301, USA.
;
;  As a special exception, if you link this library with other files,
;  some of which are compiled with SDCC, to produce an executable,
;  this library does not by itself cause the resulting executable to
;  be covered by the GNU General Public License. This exception does
;  not however invalidate any other reasons why the executable file
;   might be covered by the GNU General Public License.
;--------------------------------------------------------------------------

.module crt0
.globl _main

.area _HEADER (ABS)

.org 0xA60B - 2
.db 0xEF, 0x69

init:
    call gsinit
    jp _main

.org 0xA60B + 6

.area _HOME
.area _CODE
.area	_INITIALIZER
    .area _GSINIT
    .area _GSFINAL
.area _DATA
    .area	_INITIALIZED
    .area _BSEG
    .area _BSS
    .area _HEAP

    .area _CODE

__clock::
    ld a,#2
    ret ; needed somewhere...

.area _GSINIT
gsinit::
	ld	bc, #l__INITIALIZER
	ld	a, b
	or	a, c
	jr	Z, gsinit_next
	ld	de, #s__INITIALIZED
	ld	hl, #s__INITIALIZER
	ldir
gsinit_next:

    .area _GSFINAL
    ret