Mercurial > hg > Members > kono > nitros9-code
comparison defs/boot.d @ 1626:c01a65c813ce
Definition files to use with as6809
| author | boisy |
|---|---|
| date | Sat, 03 Jul 2004 00:02:14 +0000 |
| parents | |
| children | 7af4d12008f4 |
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| 1625:80cff44f7e07 | 1626:c01a65c813ce |
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| 1 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 2 ; boot | |
| 3 ; | |
| 4 ; $Id$ | |
| 5 ; | |
| 6 ; Edt/Rev YYYY/MM/DD Modified by | |
| 7 ; Comment | |
| 8 ; ------------------------------------------------------------------ | |
| 9 ; 2004/05/17 Boisy G. Pitre | |
| 10 ; Started. | |
| 11 | |
| 12 .title Boot Definitions | |
| 13 | |
| 14 .area BOOT (ABS) | |
| 15 | |
| 16 .ifgt Level-1 | |
| 17 | |
| 18 ; | |
| 19 ; Boot defs for NitrOS-9 Level 1 | |
| 20 ; | |
| 21 ; These defs are not strictly for 'Boot', but are for booting the | |
| 22 ; system. | |
| 23 ; | |
| 24 Bt.Start == 0hEE00 ; Start address of the boot track in memory | |
| 25 Bt.Size == 0h1080 ; Maximum size of bootfile | |
| 26 | |
| 27 .else | |
| 28 | |
| 29 ; | |
| 30 ; Boot defs for NitrOS-9 Level 2 and above | |
| 31 ; | |
| 32 ; These defs are not strictly for 'Boot', but are for booting the | |
| 33 ; system. | |
| 34 ; | |
| 35 Bt.Block == 0h3B ; Block to map in for the 'OS9BOOT' screen | |
| 36 Bt.Flag == 0h8A34 ; Flag in Bt.Block to verify that it's unchanged | |
| 37 Bt.Offst == 2 ; Offset into the screen where the current ptr is | |
| 38 Bt.Start == 0hED00 ; Start address of the boot track in memory | |
| 39 | |
| 40 .endif | |
| 41 | |
| 42 Bt.Track == 34 ; Boot track | |
| 43 | |
| 44 | |
| 45 .ifgt Level-2 | |
| 46 ; | |
| 47 ; Level 3 Defs | |
| 48 ; | |
| 49 ; These definitions apply to NitrOS-9 Level 3 | |
| 50 ; | |
| 51 L3.Start == 0h2000 ; Start off at slot 1 | |
| 52 L3.Size == 0h40 ; Go for 64 pages: 2 slots total | |
| 53 L3.Blks == L3.Size/0h20 ; Number of slots | |
| 54 L3.End == L3.Start+L3.Size*0h0100 ; end of L3 memory | |
| 55 L3.SCF == 0h0660 ; SCF block ptr | |
| 56 L3.RBF == L3.SCF+1 ; RBF block ptr | |
| 57 .endif | |
| 58 | |
| 59 .endif |