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collapseos
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collapseos/blk/470

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  1. ( Z80 driver for TMS9918. Implements grid protocol. Requires

  2. TMS_CTLPORT, TMS_DATAPORT and ~FNT from the Font compiler at

  3. B520. Load range B470-472 )

  4. CODE _ctl ( a -- sends LSB then MSB )

  5.     HL POP, chkPS,

  6.     A L LDrr, TMS_CTLPORT OUTiA,

  7.     A H LDrr, TMS_CTLPORT OUTiA,

  8. ;CODE

  9. CODE _data

  10.     HL POP, chkPS,

  11.     A L LDrr, TMS_DATAPORT OUTiA,

  12. ;CODE