sw/rescue/muenchen2013/files/krause_soft/fdsym.bk

   1
   2         XLIST
   3
   4 /------------------------------------------------------
   5 /       SYMBOL TABLE DR8EA, FD1771
   6 /       ROBERT KRAUSE   09-MAY-1983
   7 /
   8 /MUST BE THE FIRST FILE IN ASSEMPLER INPUT !
   9 /------------------------------------------------------
  10
  11
  12 /------------------------------------------------------
  13 /DR8EA COMMANDS
  14 /------------------------------------------------------
  15
  16 DBDI=   6500    /DISABLE INTERRUPT
  17 DBEI=   6501    /ENABLE INTERRUPT
  18 DBSK=   6502    /SKIP ON DONE FLAG
  19 DBCI=   6503    /CLEAR SELECTIVE INPUT REGISTER
  20 DBRI=   6504    /TRANSFER INPUT TO AC
  21 DBCO=   6505    /CLEAR SELECTIVE OUTPUT REGISTER
  22 DBSO=   6506    /SET SELECTIVE OUTPUT REGISTER
  23 DBRO=   6507    /TRANSFER OUTPUT TO AC
  24
  25
  26 /------------------------------------------------------
  27 /FD1771 COMMANDS
  28 /------------------------------------------------------
  29
  30 QSR=    2       /STEP RATE 10MS
  31 QVE=    4       /VERIFY FLAG
  32 QHL=    10      /HEAD LOAD FLAG
  33 QEN=    4       /ENABLE HLD
  34 QMR=    20      /MULTIPLE RECORD FLAG
  35 QM0=    0       /FB DATA MARK
  36 QM1=    1       /FA USER DEFINED MARK
  37 QM2=    2       /F9 USER DEFINED MARK
  38 QM3=    3       /F8 DELETED DATA MARK
  39 QSY=    1       /SYNCHRONIZE FLAG
  40 QI0=    1       /INTERRUPT NOT READY TO READY TRANSITION
  41 QI1=    2       /    "     READY TO NOT READY TRANSITION
  42 QI2=    4       /    "     INDEX PULSE
  43 QI3=    10      /    "     IMMEDIATE
  44
  45 FDRS=   000!QSR /RESTORE
  46 FDSE=   020!QSR /SEEK
  47 FDST=   060!QSR /STEP
  48 FDSI=   120!QSR /STEP IN
  49 FDSO=   160!QSR /STEP OUT
  50 FDRD=   210     /READ COMMAND
  51 FDWR=   250     /WRITE COMMAND
  52 FDRA=   300     /READ ADDRESS
  53 FDRT=   344     /READ TRACK
  54 FDWT=   364     /WRITE TRACK
  55 FDFI=   320     /FORCE INTERRUPT
  56
  57
  58 /------------------------------------------------------
  59 /FD1771 REGISTER ADDRESSES
  60 /------------------------------------------------------
  61
  62 FCSR=   1400    /COMMAND STATUS REGISTER
  63 FTRK=   1000    /TRACK REG.
  64 FSEC=   400     /SECTOR REG.
  65 FDAT=   0       /DATA REG.
  66
  67
  68 /------------------------------------------------------
  69 /FD1771 STATUS REGISTER BITS
  70 /------------------------------------------------------
  71
  72 FSNR=   200     /NOT READY
  73 FSWP=   100     /WRITE PROTECT
  74 FSHE=   40      /HEAD ENGAGED
  75 FSWF=   40      /WRITE FAULT
  76 FSSE=   20      /SEEK ERROR
  77 FSNF=   20      /ID OR RECORD NOT FOUND
  78 FSCE=   10      /CRC ERROR
  79 FSLD=   4       /LOST DATA
  80 FSIP=   2       /INDEX PULSE
  81 FSCP=   1       /COMMAND IN PROGRESS
  82
  83         FIXTAB
  84
  85 /======================================================
  86
  87         XLIST
  88 \f