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annotate defs/boot.d @ 1919:028161cd3535

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uses ss.fd
author boisy
date Fri, 25 Nov 2005 12:39:54 +0000
parents 9d95e3246a61
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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27e85b681dab Fixed DEFS issue in 6809l2 and 6309l2 (thanks Rodney!)
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2 ; boot - NitrOS-9 Boot Definitions
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3 ;
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4 ; $Id$
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5 ;
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6 ; Edt/Rev YYYY/MM/DD Modified by
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7 ; Comment
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8 ; ------------------------------------------------------------------
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9 ; 2004/05/17 Boisy G. Pitre
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27e85b681dab Fixed DEFS issue in 6809l2 and 6309l2 (thanks Rodney!)
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10 ; Created.
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11
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12 .title Boot Definitions
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13
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14 .ifndef Level
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15 Level == 1
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16 .endif
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17
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18 .ifgt Level-1
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19
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20 ;
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21 ; Boot defs for NitrOS-9 Level 1
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22 ;
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23 ; These defs are not strictly for 'Boot', but are for booting the
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24 ; system.
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25 ;
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26 Bt.Start == 0hEE00 ; Start address of the boot track in memory
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27 Bt.Size == 0h1080 ; Maximum size of bootfile
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28
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29 .else
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30
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31 ;
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32 ; Boot defs for NitrOS-9 Level 2 and above
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33 ;
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34 ; These defs are not strictly for 'Boot', but are for booting the
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35 ; system.
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36 ;
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37 Bt.Block == 0h3B ; Block to map in for the 'OS9BOOT' screen
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38 Bt.Flag == 0h8A34 ; Flag in Bt.Block to verify that it's unchanged
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39 Bt.Offst == 2 ; Offset into the screen where the current ptr is
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40 Bt.Start == 0hED00 ; Start address of the boot track in memory
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41
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42 .endif
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43
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44 Bt.Track == 34 ; Boot track
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45
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46
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47 .ifgt Level-2
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48 ;
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49 ; Level 3 Defs
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50 ;
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51 ; These definitions apply to NitrOS-9 Level 3
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52 ;
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53 L3.Start == 0h2000 ; Start off at slot 1
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54 L3.Size == 0h40 ; Go for 64 pages: 2 slots total
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55 L3.Blks == L3.Size/0h20 ; Number of slots
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56 L3.End == L3.Start+L3.Size*0h0100 ; end of L3 memory
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57 L3.SCF == 0h0660 ; SCF block ptr
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58 L3.RBF == L3.SCF+1 ; RBF block ptr
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59 .endif