1 ; Configuration and common defs for avrcpm BIOS and IPL
3 ; Copyright (C) 2010 Leo C.
5 ; This program is free software: you can redistribute it and/or modify
6 ; it under the terms of the GNU General Public License as published by
7 ; the Free Software Foundation, either version 3 of the License, or
8 ; (at your option) any later version.
10 ; This program is distributed in the hope that it will be useful,
11 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ; GNU General Public License for more details.
15 ; You should have received a copy of the GNU General Public License
16 ; along with this program. If not, see <http://www.gnu.org/licenses/>.
21 msize equ 62 ;size of available RAM in k
23 bias equ (msize-20) * 1024
24 ccp equ 3400h+bias ;base of cpm ccp
25 bdos equ ccp+806h ;base of bdos
26 bios equ ccp+1600h ;base of bios
27 cdisk equ 0004h ;current disk number (0 ... 15)
28 iobyte equ 0003h ;intel iobyte
29 buff equ 0080h ;default buffer address
30 retry equ 3 ;max retries on disk i/o before error