GMX - (Grafic Memory eXpander) сводная тема.

[Shockwav3]

Finally got around to installing the GMX.
Works without touching DD47/49 or DD30.
Tested so far: Pentagon INT, floppy access, SMUC, ZXM-GS, Edge Grinder GMX & Ansi Viewer

EDIT: Across the Edge (fix0) crashed at the "Outbordering" Screen around the 3 minute mark.
EDIT2: implemented D47 fix, works fine now.

[Shockwav3]

Test 4.3 (when measuring INT/testing AY) and hft 1.02 (when checking port FD) both seem to crash since I upgraded to GMX ROM 5.01 ... they were working previously.
Also another small fluke, Covox/LPT port seems to be mapped to DD/221 in Pentagon config, also seems to clash with the screen as one gets artefacts.

Computer previously was randomly switching between Turbo modes (Scorpion config) when accessing disks, this has stopped since I removed the Turbo + ProfROM GALs and the ProfROM itself.

Apart from that - thank you very much Evgeny Muchkin - it's a very interesting piece of hardware!

[Shockwav3]

Crashes in hft 1.02 and Test 4.3 seem to be related to the Shadow Monitor/Magic Button?
If I press the button shortly before the tests and exit ShadowMon they seem to run fine.

Where is GMX X1-2 supposed to go? Pin 22B on the expansion port of my Scorpion 256 Turbo+ is VCC. I've left it unconnected so far.

[Evgeny Muchkin]

Where is GMX X1-2 supposed to go?

X1-2 can not be connected.

[Shockwav3]

Thank you

Would I need to implement this modification on my Turbo+?

[Evgeny Muchkin]

Would I need to implement this modification on my Turbo+?

No!

Can get issues with Across the Edge, Eyeache2... in pentagon mode.

[Shockwav3]

Has anyone figured out yet why Test 4.3 and HFT 1.02 hang/crash and if there's a potential fix in hardware? HFT apparently only crashes sometimes, with garbage on the screen, while still being able to enter the ShadowMon sometimes.
Doesn't seem to be related to the GMXROM as I tried downgrading without effect.

[izzx]

Хочется ещё раз прояснить для себя состояние дел по поводу отсутствия исходников прошивки ПЛИС. Поправьте меня:
1. Никто не мешает написать новую прошивку, которая будет работать точно или почти точно как старая?
2. Затем добавлять в неё что хочется. Например, режим АТМ и Профи.
3. Затем разработать новую версию железки с более жирной ПЛИС. Сделать 28 МГц, 4 ядра и прочее.
Правильно?

[Evgeny Muchkin]

Правильно?

Правильно!

[Shockwav3]

Any chance if there will ever be fixed hardware schemes?
Using GMX on my Turbo+ I get 69888 tacts per INT *without* waitstates, instead of 70784 without wait (Turbo+, green PCB) or 69888 *with* waitstates (256, yellow PCB), breaking various effects in demos using multicolor timings.
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Есть ли шанс, что когда-нибудь будут исправлены аппаратные схемы?
Используя GMX на Turbo+, я получаю 69888 тактов на INT *без* ожидания, вместо 70784 без ожидания (Turbo+, зеленая PCB) или 69888 *с* ожиданием (256, желтая PCB).