15 August 2024, 18:12 | #1 |
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CD32 emu on A1200 graphical glitches
I've been trying some CD32 emu on my 1200 mainly to get CDDA tracks thru the RCA jacks of my external CD drive. Right now I'm trying Squirrel's CD32 emu
Here're some titles I could make to work: - with softkicking to 3.1: Flink - with 3.2: Beneath A Steel Sky, Disposable Hero - not CD32 but working with sound finally: Genetic Species! with graphical glitches: - Bubba n'Stix: seems that something is happening with sprites. I've got some flickering garbage on the screen, a pity as it seems cool - Super Stardust: less problems overall, graphical glitches happen from time to time, just wanted to try the shield button What do you think could cause those glitches? ChipRAM availability? Requires Timing Fixes? The Blizzard 1230mkIV? Thanks for ideas on what to try next My setup is Amiga 1200 rev 1.D4 No timing fixes Blizzard 1230 MkIV with SCSI kit/96 megs ZuluSCSI Gotek CD on SquirrelSCSI |
15 August 2024, 18:44 | #2 |
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Blizzard 1230 is the best expansion released for a simple A1200, it doesn't require any timing-fix.
Your glitches are probably due to 030 cpu. CD32 games expect an EC020 instead. |
15 August 2024, 20:39 | #3 |
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perhaps you can try another CD32 emulator which I uploaded in this thread
https://eab.abime.net/showthread.php?t=117015 |
16 August 2024, 09:40 | #4 | |||
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It doesnt make a difference. It will run fine, I never had any issues with my 030 setup. Everything worked. Quote:
Should all work fine with Squirrel emu. Quote:
How are you running these. As I altered startup-sequence to check if there was a disc in drive, if so run the squirrel CD32 emu startup. I also found WB3.9 CDFS was best for compatibilty. |
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16 August 2024, 10:19 | #5 | ||
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Good to know, the IDEFix CD32 emu as a bit more options accessible from the GUI, but I believe all those are tunable in Squirrel's cd32-startup file in S: Quote:
but with Flink, I'm running into what I believe to be a chip ram issue. I need to softkick 3.1 because of this, but that's ok if a bit long... Ok I will try WB3.9 CDFS thanks for the tip I'm using the CD filesystem & CD.device from the CD32 developper kit for now (supposed to be the CD32 one) Last edited by xavlahaye; 16 August 2024 at 10:38. |
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16 August 2024, 10:33 | #6 | |
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I did try to deactivate the Blizzard and booting from floppy, but it didn't remove the glitches. But what I didn't do is to deactivate the Blizzard, softkick 3.1 and to boot from floppy... Maybe that would do the trick. I will try that |
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16 August 2024, 10:37 | #7 | |
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16 August 2024, 13:35 | #8 | |
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This proberly cause of issues. Stick with squirrel stuff. cd.device in squirrel is dummy file pointing to real device, like on mine, I changed to scsi.device. If I recall, I bypassed dummy file and used mount to mount CD0 in devs, using tooltypes to point to scsi.device Unit 2. Would have to check, as I still waiting on A1200.net to deliver my keycaps (so I can rebuild my A1200, CD32 setup.). Over 6 years and counting, . |
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16 August 2024, 16:33 | #9 |
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Actually I just realised that it's not possible to use Blizkick without the Blizzard, my bad
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16 August 2024, 16:56 | #10 | |
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Quote:
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16 August 2024, 16:59 | #11 | |
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Quote:
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16 August 2024, 17:17 | #12 |
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CacheCDFS didn't change anything either...
The only thing that helped so far was to use Blizkick to 3.1 R-type II, whdload version also glitches like crazy on my 1230. I have another 1200 with a 060 and this one plays it without the glitches, who would have thought. The motherboard is a reAmiga 1.5. I think I might try it with the Blizzard 1230 to see if it changes anything, it's my only lead right now ... |
16 August 2024, 17:24 | #13 |
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16 August 2024, 23:32 | #14 | |
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Quote:
try another emulator option some games requires some options ticked on, read cd emulator doc |
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Yesterday, 00:33 | #15 | |
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Quote:
I never had any of this on my 030, using squirrel cd32 emulator. Everything just worked apart from CDTV titles, which is clearly documented in the Emu instructions. Be interesting to see if physically switching to a 3.1 rom and booting from that solves issues. It could also be something like setpatch. CD32 Emu startup should be first thing loaded, then let inserted discs do all the setpatching etc etc. |
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Yesterday, 01:25 | #16 |
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btw,
I just tried the idefix cd32 emul in winuae and bubba 'n stix and super stardust, works perfect both( no glitches) so if there are glitches are related to the accel, try these games booting cd32 emuator from floppy and disabling the blizzard on boot using the key 2 |
Yesterday, 16:36 | #17 |
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I've just tried with ROM 3.0 and 3.1.4 and I get the same results (physical ROMS)
Last edited by xavlahaye; Yesterday at 16:42. |
Yesterday, 16:37 | #18 |
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Yesterday, 16:41 | #19 |
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So no luck so far with those mysterious glitches. I went even as far as changing the motherboard in the computer, to one with timing fixes, this also didn't change anything so I'm out of ideas...
Funny enough it's my second project failure after the blueSCSI last week which drove me crazy. Well, sometimes it's like that Last edited by xavlahaye; Yesterday at 16:41. Reason: typo |
Yesterday, 17:15 | #20 |
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Tested Bubba'n'Stix CD32 only ISO without audio tracks, mounting it with SimCD32 from CD32Tools on my A1200 Blizzard 1230mkIV, No Timing-fix, and the game works properly without disabling caches or fast memory.
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