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440ea43a88
Initially, I used the same letters as those used in the z80 ref docs, but it makes the different assemblers harder to use than they should. Having consistent "argtype" rules across assemblers should help.
15 lines
273 B
Plaintext
15 lines
273 B
Plaintext
( Requires KBD_MEM, KBD_PORT )
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( gm -- pm, get pressed keys mask for group mask gm )
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CODE _get
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HL POP,
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chkPS,
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DI,
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A 0xff LDri,
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KBD_PORT OUTiA,
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A L LDrr,
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KBD_PORT OUTiA,
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KBD_PORT INAi,
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EI,
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L A LDrr, HL PUSH,
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;CODE
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