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Forums > CSDb Entries > Release id #23778 : Coop Demo
2011-09-25 17:05
bugjam

Registered: Apr 2003
Posts: 2589
Release id #23778 : Coop Demo

Both downloads seem to bug in x64sc - the first part (the one in the screenshot) has garbage over the upper half of the upper logo. Is this a VICE-problem, or is the .t64 bugged?
2011-09-25 17:47
iAN CooG

Registered: May 2002
Posts: 3197
The bug doesn't appear if you manually run the prg but appears if you let vice autostart it. It's something related to a timing bug on the original prg, probably the IRQ init doesn't set d012/11 properly.
Edit: clever, it doesn't set d012/11 AT ALL (check code at $4000) so the irq triggers randomly. It's some miracle that it sometimes works.
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