;    Configuration and common defs for avrcpm BIOS and IPL

;    Copyright (C) 2010 Leo C.
;
;    This program 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 3 of the License, or
;    (at your option) any later version.
;
;    This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
;
;    $Id:$
;

msize 	equ	62	;size of available RAM in k

bias 	equ	(msize-20) * 1024 
ccp 	equ	3400h+bias	;base of cpm ccp
bdos 	equ	ccp+806h	;base of bdos
bios 	equ	ccp+1600h	;base of bios
cdisk 	equ	0004h		;current disk number (0 ... 15)
iobyte 	equ	0003h		;intel iobyte
buff 	equ	0080h		;default buffer address
retry 	equ	3		;max retries on disk i/o before error

READ_FUNC   equ	7
WRITE_FUNC  equ	6
BOOT_FUNC   equ 5
HOME_FUNC   equ 4

cr equ	13
lf equ	10