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13 lines
349 B
Plaintext
13 lines
349 B
Plaintext
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( Z80 driver for TMS9918. Implements grid protocol. Requires
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TMS_CTLPORT, TMS_DATAPORT and ~FNT from the Font compiler at
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B520. Load range B470-472 )
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CODE _ctl ( a -- sends LSB then MSB )
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HL POP, chkPS,
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A L LDrr, TMS_CTLPORT OUTiA,
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A H LDrr, TMS_CTLPORT OUTiA,
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;CODE
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CODE _data
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HL POP, chkPS,
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A L LDrr, TMS_DATAPORT OUTiA,
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;CODE
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