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1511
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1 ********************************************************************
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2 * H0 - MMC device descriptor
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3 *
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4 * $Id$
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5 *
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6 * MMC Defined Offsets
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7 *
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8 * Ed. Comments Who YY/MM/DD
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9 * ------------------------------------------------------------------
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10
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11 nam H0
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12 ttl MMC device descriptor
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13
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14 * IT.STP (offset $14)
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15 * Bit Meaning
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16 * --- ---------------------------------------------------------------
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17 *
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18 * IT.TYP (offset $15)
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19 * Bit Meaning
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20 * --- ---------------------------------------------------------------
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21 * 7 Hard Disk: 1 = hard disk, 0 = floppy disk
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22 * 6 Fudge LSN0: 0 = OS-9 disk, 1 = non-OS-9 disk
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23 *
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24 * IT.DNS (offset $16)
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25 * Bit Meaning
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26 * --- ---------------------------------------------------------------
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27 * 1 Force CHS: 1 = Use CHS, 0 = Use LBA if drive supports it
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28 * 0 Master/Slave: 0 = master, 1 = slave
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29 *
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30
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31 * Interface Address
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32 ADDR set $FF7A
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33
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34 Master set %00000000
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35 Slave set %00000001
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36 ForceCHS set %00000010
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37
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38 DriveSel set Master
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39
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40
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41 * Driver specific fields
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42 ITDRV set $00
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43 ITSTP set $00
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44 ITTYP set $80
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45 ITDNS set ITDRV
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46
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47 ITSOFS1 set $00
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48 ITSOFS2 set $00
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49 ITSOFS3 set $00
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50
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51 * Default Geometry
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52 * For speed sectors per track set to 16 JMH
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53 Sides set $20
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54 Cyls set $80
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55 SectTrk set $0010
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56 SectTrk0 set $0010
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57 Interlv set $01
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58 SASiz set $08
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59
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60 ifp1
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61 use defsfile
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62 endc
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63
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64 tylg set Devic+Objct
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65 atrv set ReEnt+rev
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66 rev set $0
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67
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68 mod eom,name,tylg,atrv,mgrnam,drvnam
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69
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70 fcb $FF mode byte
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71 fcb HW.Page extended controller address
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72 fdb ADDR physical controller address
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73 fcb initsize-*-1 initilization table size
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74 fcb DT.RBF device type:0=scf,1=rbf,2=pipe,3=scf
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75 fcb ITDRV drive number
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76 fcb ITSTP step rate
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77 fcb ITTYP drive device type
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78 fcb ITDNS media density
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79 fdb Cyls number of cylinders (tracks)
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80 fcb Sides number of sides
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81 fcb $01 verify disk writes:0=on
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82 fdb SectTrk # of sectors per track
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83 fdb SectTrk0 # of sectors per track (track 0)
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84 fcb Interlv sector interleave factor
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85 fcb SASiz minimum size of sector allocation
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86 initsize equ *
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87 *IDE Driver specific additions to the device descriptor go here
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88 * NOTE: These do NOT get copied into the path descriptor; they
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89 * cannot due to the fact that there is simply NO ROOM in
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90 * the path descriptor to do so. The driver must access
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91 * these values directly from the descriptor.
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92 fcb 0,0,0,0,0,0,0,0,0
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93
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94 ifne DD
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95 name fcs /DD/
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96 else
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97 name fcc /H/
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98 fcb ITDRV+$B0
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99 endc
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100 mgrnam fcs /RBF/
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101 drvnam fcs /MMCDRV/
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102
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103 emod
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104 eom equ *
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105 end
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