sw/src/life/extra/VT05.PA

   1 / GAME OF LIFE FOR PDP8
   2 / VT05 DISPLAY OUTPUT DRIVER
   3 /
   4 / DISPLAYS A 16X16 BINARY AREA ON THE VT05 SCREEN.
   5 /
   6 / FUNCTIONS:
   7 /
   8 /             DISET - SET POINT, ADDRESS IN AC
   9 /             DICLR - CLEAR POINT, ADDRESS IN AC
  10 /             DIGET - GET POINT, ADDRESS IN AC
  11 /
  12 / POINT ADDRESS IS GIVEN AS 0000YYYYXXXX
  13
  14 / BUFFER REQUIREMENTS: ONE BUFFER OF 400(OCT) WORDS IS USED.
  15 / BUFFER BASE ADDRESS AND FIELD
  16         BBASE=7000      / DEFAULT: 7200-7577
  17         BFIELD=000      / DEFAULT: FIELD 0, SET 010 FOR FIELD 1 ETC.
  18
  19 / SCREEN CONFIGURATION
  20         LOWROW=10       / FIRST ROW
  21         LOWCOL=4        / FIRST COLUMN
  22         HICHAR=130      / AN X
  23         LOCHAR=56       / A . (DOT)
  24
  25 / VT05 CONTROL CODES
  26
  27         PAGE            / START AT NEW PAGE IN CORE
  28
  29 DSET,   0
  30 / BUFFER SIZE IS 16X16=256=400(OCT)
  31
  32