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10 lines
228 B
Plaintext
10 lines
228 B
Plaintext
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CODE _blank ( this is way too slow in Forth )
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A XORr, VDP_CTLPORT OUTnA,
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A 0x40 LDrn, VDP_CTLPORT OUTnA,
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HL 0x4000 LDddnn,
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BEGIN,
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A XORr, VDP_DATAPORT OUTnA,
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HL DECss, HLZ,
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JRNZ, AGAIN,
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;CODE
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