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Forums > C64 Coding > VICE, multiple drives & trap idle
2009-10-19 14:59
cadaver

Registered: Feb 2002
Posts: 1160
VICE, multiple drives & trap idle

Anyone else get pretty much random behaviour in VICE 2.1 when multiple drives are enabled with "trap idle" method, and you try to upload a fastloader to one of them? (no ATN-loader stuff, which of course won't work with multiple drives out-of-the-box, just oldschool CLK/DATA loader)

I get M-W or M-E commands randomly failing to execute, which in turn leads to the drive CPU jamming, or remaining in the ROM loop.

Setting idle method "none" seems to fix these.

Found this when investigating a legitimate (ie. also on real hardware) multi-drive issue with the "autodetecting" version of my loader, which btw. should be fixed in V2.23, out now.
2009-10-20 05:45
Martin Piper

Registered: Nov 2007
Posts: 722
I encountered similar problems.
http://sourceforge.net/tracker/?func=detail&atid=1057617&aid=28..

It was a bug in the 1541 ROM, the below link to the resolution are in the bug comment history as well.

http://vice-emu.svn.sourceforge.net/viewvc/vice-emu/trunk/vice/..
2009-10-20 08:02
cadaver

Registered: Feb 2002
Posts: 1160
Interesting, thanks for the info!
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