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Re: Shifter Behaviour
Posted: 22 Sep 2025 13:42
by ijor
You have the most common SHIFTER version. Extremely unlikely that would be the problem. It could be other issues specific to the machine. Conceivable older GLUE (-38 or -20). Post a high rez picture (or two) to see the whole motherboard. Which TOS version are you using? US or Euro?
Re: Shifter Behaviour
Posted: 22 Sep 2025 22:10
by alexh
While it won't diagnose the issue you could try "Photochrome" which uses techniques similar to spectrum512 to get high colours
https://www.leonik.net/dml/sec_pcs.py
https://codeberg.org/zerkman/mpp
Re: Shifter Behaviour
Posted: 24 Sep 2025 11:12
by GadgetUK164
ijor wrote: 22 Sep 2025 13:42
You have the most common SHIFTER version. Extremely unlikely that would be the problem. It could be other issues specific to the machine. Conceivable older GLUE (-38 or -20). Post a high rez picture (or two) to see the whole motherboard. Which TOS version are you using? US or Euro?
Using UK version of TOS 1.04. I will check what version of GLUE it has!
Everything in general works on the machine - just those higher colour depth "tricks" that try to show box art on PP's HDD adapted games.
Re: Shifter Behaviour
Posted: 24 Sep 2025 15:19
by Cyprian
GadgetUK164 wrote: 22 Sep 2025 10:46
On this STM - stock CPU, I see the same type of issue where the "box art" screen is messed up. What was different about the STM - were later modifications done by the time we got to the STFM which means PP's technique of trying to display box art wont work?!?!
I'm curious what it looks like. Could you post a picture?
Re: Shifter Behaviour
Posted: 24 Sep 2025 16:24
by prog99
Thinking about it a bit, I once had an STM with a suspect glue and various sync related effects would act really strangely.
Re: Shifter Behaviour
Posted: 24 Sep 2025 16:49
by alexh
My 520ST (no F, or M) is on my desk at the moment. If you give me the name of a PP HDD adapted title that you see corruption I will try it.