No-Slot Clock: Hit PTRIG to slow ZIP/IIc+ accelerator before reading
This appears to improve reliability when reading the NSC on the IIc+. More data is probably needed before declaring this a really good solution, but "it works on my machine!"
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@ -278,6 +278,7 @@ loop: lda driver,y
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driver:
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php
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sei
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lda PTRIG ; Slow ZIP, IIc+ accelerator, etc
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lda $C00B ; Ultrawarp bug workaround c/o @bobbimanners
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ld4: lda $CFFF ; self-modified ($CFFF or RDCXROM)
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pha
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