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1 | ; Configuration and common defs for avrcpm BIOS and IPL\r | |
2 | \r | |
3 | ; Copyright (C) 2010 Leo C.\r | |
4 | ;\r | |
5 | ; This program is free software: you can redistribute it and/or modify\r | |
6 | ; it under the terms of the GNU General Public License as published by\r | |
7 | ; the Free Software Foundation, either version 3 of the License, or\r | |
8 | ; (at your option) any later version.\r | |
9 | ;\r | |
10 | ; This program is distributed in the hope that it will be useful,\r | |
11 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of\r | |
12 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r | |
13 | ; GNU General Public License for more details.\r | |
14 | ;\r | |
15 | ; You should have received a copy of the GNU General Public License\r | |
16 | ; along with this program. If not, see <http://www.gnu.org/licenses/>.\r | |
17 | ;\r | |
18 | ; $Id:$\r | |
19 | ;\r | |
20 | \r | |
21 | msize equ 62 ;size of available RAM in k\r | |
22 | \r | |
23 | bias equ (msize-20) * 1024 \r | |
24 | ccp equ 3400h+bias ;base of cpm ccp\r | |
25 | bdos equ ccp+806h ;base of bdos\r | |
26 | bios equ ccp+1600h ;base of bios\r | |
27 | cdisk equ 0004h ;current disk number (0 ... 15)\r | |
28 | iobyte equ 0003h ;intel iobyte\r | |
29 | buff equ 0080h ;default buffer address\r | |
30 | retry equ 3 ;max retries on disk i/o before error\r | |
31 | \r | |
32 | READ_FUNC equ 7\r | |
33 | WRITE_FUNC equ 6\r | |
34 | BOOT_FUNC equ 5\r | |
35 | HOME_FUNC equ 4\r | |
36 | \r | |
37 | cr equ 13\r | |
38 | lf equ 10\r | |
39 | \r |