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Forums > CSDb Discussions > C64 Emulator Bugs
2007-06-24 03:16
Groepaz
Account closed

Registered: Dec 2001
Posts: 9100
C64 Emulator Bugs

after stumbling about a bunch of VICE bugs myself in the last couple of days i have decided to compile a list with issues current emulators have. the goals for this are

- make people aware that emulators are by far not perfect (yet?)
- make it easier for emulator authors to improve the emulators, by showing problematic programs and possibly provide simple testcases
- allow c64 coders to implement emulator detection if desired

so well, check this: http://hitmen.c02.at/files/docs/c64/c64_emulator_bugs.txt

help welcomed :)
 
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2009-01-29 22:27
assiduous
Account closed

Registered: Jun 2007
Posts: 343
Quote:
Tank +/Triangle
Sprite logo in upper border flashes, should be stable.

you mean the triangle logo ? it doesnt flash in Vice 2.1
2009-01-30 00:09
iAN CooG

Registered: May 2002
Posts: 2244
Quote: Quote:
Tank +/Triangle
Sprite logo in upper border flashes, should be stable.

you mean the triangle logo ? it doesnt flash in Vice 2.1


ahh, now I see why: I had the TFR 0.8 cart inserted.
Happens only with it actually, it's even enough issuing a KILL before launching the intro. I should always remember to try without that cart.
2009-02-10 01:00
iAN CooG

Registered: May 2002
Posts: 2244
Holy SHit/Mocean
Second part bugs in Vice, sprites are displayed where they shouldn't.
2009-02-26 16:08
Rubi
Account closed

Registered: Apr 2002
Posts: 48
Quote: Holy SHit/Mocean
Second part bugs in Vice, sprites are displayed where they shouldn't.


This one is fixed in svn trunk. The two other bugs are under investigation. One deals with DEN bit, the other with "badline on last character".
2009-03-03 07:25
Rubi
Account closed

Registered: Apr 2002
Posts: 48
Angle+/Topaz is fixed now in the svn trunk.
2009-03-03 20:18
iAN CooG

Registered: May 2002
Posts: 2244
Excellent, just tried the new build and I can confirm the fixes, thanks Rubi.
2009-03-09 21:29
Rubi
Account closed

Registered: Apr 2002
Posts: 48
Now even Lemon Blues +2PH/Avantgarde is fixed in the trunk.
2010-01-01 16:23
iAN CooG

Registered: May 2002
Posts: 2244
[WinVice 2.2]
Big Vic Show
part "4*" shows at the right of the FLI logo a line of pixels that shouldn't be there. Works in Hoxs.
2010-01-01 21:48
JackAsser

Registered: Jun 2002
Posts: 1511
Vice 2.2 x128 (c128)

* 1351 mouse emulation seems to ignore port selection and the upper two bits of $dc00.

* char rom visible to VIC only affects even VIC-banks. If char roms are enabled, these should be seen in all VIC-banks at offset 0x1000, unlike the C64.
2010-01-02 10:08
Adam

Registered: Jul 2009
Posts: 226
I have discovered some strange bugs in VICE22 which were not in the last one too.. a few not mentioned here..

1. Quick save-states (using alt+s)
1.1: I've noticed after reloading my save states which I was using made the program crash and exit after reloading it a couple of times..
1.2: If you are using the SFX Sound Expander (YM3812) and you reload a 'quick save state' then no sound comes out of the SFX cart.

I know of a few other bugs which I can't recall but will try to re-create and post here and email the VICE team.
I will try and become a beta tester for sure as I use this great program all the time =))

Apart from a few minor issues, this program is still the BEST emulator around by light years..

..Adam/Onslaught/SIDwave
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