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annotate level1/modules/d0_d64.asm @ 256:9e9648e17298

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Additional source improvements
author boisy
date Sat, 20 Jul 2002 14:20:13 +0000
parents 8b71b12c468f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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8b71b12c468f Checking in the floppy disk device descriptors for Dragon 64
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1 ********************************************************************
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2 * progname - program module
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3 *
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4 * $Id$
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5 *
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6 * Ed. Comments Who YY/MM/DD
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7 * ------------------------------------------------------------------
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8 * - Original Dragon Data distribution version
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9 *
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10 * $Log$
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11 * Revision 1.1 2002/07/18 19:53:53 roug
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12 * Checking in the floppy disk device descriptors for Dragon 64
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13 *
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14 * Revision 1.2 2002/04/21 21:46:22 roug
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15 * Better titles in source files
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16 *
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17 * Revision 1.1 2002/04/21 21:27:50 roug
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18 * These are the kernel modules from Dragon 64's OS9Boot.
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19 * OS9 and OS9p2 are older than what's in ../MODULES so I checked them
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20 * in as well.
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21 *
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22 *
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23
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24 nam D0
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25 ttl 40-track floppy disk device descriptor
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26
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27 * Disassembled 02/04/21 22:37:45 by Disasm v1.6 (C) 1988 by RML
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28
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29 ifp1
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30 use defsfile
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31 endc
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32 tylg set Devic+Objct
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33 atrv set ReEnt+rev
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34 rev set $02
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35 mod eom,name,tylg,atrv,mgrnam,drvnam
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36 fcb $FF mode byte
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37 fcb $FF extended controller address
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38 fdb $FF40 physical controller address
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39 fcb initsize-*-1 initilization table size
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40 fcb $01 device type:0=scf,1=rbf,2=pipe,3=scf
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41 fcb $00 drive number
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42 fcb $00 step rate
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43 fcb $20 drive device type
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44 fcb $01 media density:0=single,1=double
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45 fdb $0028 number of cylinders (tracks)
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46 fcb $02 number of sides
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47 fcb $00 verify disk writes:0=on
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48 fdb $0012 # of sectors per track
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49 fdb $0012 # of sectors per track (track 0)
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50 fcb $02 sector interleave factor
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51 fcb $08 minimum size of sector allocation
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52 initsize equ *
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53 name equ *
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54 fcs /D0/
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55 mgrnam equ *
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56 fcs /RBF/
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57 drvnam equ *
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58 fcs /DDisk/
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59 emod
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60 eom equ *