20 lines
345 B
C
20 lines
345 B
C
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/*IBM 5150 cassette nonsense
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Calls F979 twice
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Expects CX to be nonzero, BX >$410 and <$540
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CX is loops between bit 4 of $62 changing
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BX is timer difference between calls
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*/
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#include "ibm.h"
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#include "pit.h"
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#include "plat-keyboard.h"
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#include "plat-mouse.h"
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void ppi_reset()
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{
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ppi.pa=0x0;//0x1D;
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ppi.pb=0x40;
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}
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