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Recipes contain bits and pieces of hardware-related knowledge, but these bits feel sparse. I've been wanting to consolidate hardware- related documentation for a while, but always fell at odds with the recipes organisation. We don't have recipes anymore, just a /doc/hw section that contains hardware-related documentation which often translate to precise instructions to run Collapse OS on a specific machine. With this new organisation, I hope to end up with a better, more solid documentation.
11 lines
226 B
Plaintext
11 lines
226 B
Plaintext
: XYPOS [ VDP_MEM LITN ] ;
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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, VDP_CTLPORT OUTiA,
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A H LDrr, VDP_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, VDP_DATAPORT OUTiA,
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;CODE
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