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annotate 3rdparty/drivers/sdisk/ddd0_40d.asm @ 3215:195c09cade21

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Updated MMC Driver makefile so it will have place holders for dsk, dskclean, and dskcopy so that make does not error out when chaining into the driver tree to build disk images where applicable.
author David Ladd <drencor-xeen@users.sourceforge.net>
date Wed, 20 Dec 2017 16:07:36 -0600
parents 4cabeffb8862
children
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1 ********************************************************************
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2 * DD - Disk device descriptor for SDisk
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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 * Created
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9
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10 nam DD
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11 ttl Disk device descriptor for SDisk
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12
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13 ifp1
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14 use defsfile
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15 endc
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16
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17 Type set Devic+Objct
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18 Revs set Reent+1
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19
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20 * MODULE HEADER AND FIXED INFORMATION
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21 mod DescEnd,DescName,Type,Revs,DscMgr,DscDrv
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22
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23 fcb DIR.+SHARE.+PREAD.+PWRIT.+UPDAT.+EXEC.+PEXEC.
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24
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25 fcb HW.Page port bank
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26 fdb DPort port address
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27
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28 * USER CHANGEABLE SETTINGS
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29 Drive set 0 drive number (0-3)
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30 DrvTyp set TYP.5+TYP.CCF+TYP.FLP 5" floppy (double density on track 0)
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31 StpRat set STP.6ms drive stepping rate code
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32 Cyls set 40 number of cylinders (tracks per side)
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33 SecTrk set 18 number of sectors per track
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34 SecTr0 set SecTrk number of sectors per track (track 0, side 0)
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35 Density set DNS.MFM+DNS.STD 48 tpi, MFM
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36 Sides set 2 number of sides (1 or 2)
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37
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38 * OPTION TABLE
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39 fcb OptEnd-*-1 number of bytes in option section below
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40 fcb DT.RBF device type = RBF
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41 fcb Drive drive number
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42 fcb StpRat step rate code
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43 fcb DrvTyp
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44 fcb Density
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45 fdb Cyls number of cylinders
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46 fcb Sides
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47 fcb 0 verify turned on
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48 fdb SecTrk
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49 fdb SecTr0
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50 fcb 3 sector interleave offset factor
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51 fcb 8 minimum sector allocation size
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52 fcb 0 (reserved)
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53 fdb 0 (reserved)
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54 fcb $10 sector/track offset (CoCo OS-9 disk format)
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55 OptEnd equ *
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56
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57 * NAME STRINGS
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4cabeffb8862 Fix bizarre syntax error for lwasm
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58 ; The following is the original code which doesn't make sense. The line
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59 ; after is what it was probably assembling as, which also doesn't make
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60 ; sense. --WAA
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61 ;DescName fcb 'DD'
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62 DescName fcb 'D
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63 DscMgr fcs 'RBF'
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64 DscDrv fcs 'SDisk'
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65
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66 emod
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67 DescEnd equ *
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68 end