cpm/CFGACPM.LIB

   1 ;    Configuration and common defs for avrcpm BIOS and IPL
   2
   3 ;    Copyright (C) 2010 Leo C.
   4 ;
   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.
   9 ;
  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.
  14 ;
  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/>.
  17 ;
  18 ;    $Id:$
  19 ;
  20
  21 msize   equ     62      ;size of available RAM in k
  22
  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
  31
  32 READ_FUNC   equ 7
  33 WRITE_FUNC  equ 6
  34 BOOT_FUNC   equ 5
  35 HOME_FUNC   equ 4
  36
  37 cr equ  13
  38 lf equ  10
  39