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Originally Posted by shattered
Some intro screens while I work on (= copy and paste R.Belmont's code smile ) on apple2 video mode. There are all business apps (spreadsheets, databases &c). Most of the time apps don't run further than that...
[Linked Image from img-fotki.yandex.ru]


This splash screen is animated, quite nice for a database software smile -- https://www.youtube.com/watch?v=P9vGfz6DWw4

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Heh, that's quite a nice animation for a database!

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I haven't read through all thirty-eight pages of this thread, so apologies if this has already been covered – but I made it to the Museum of Soviet Video Games in St Petersburg (Russia) in 2019.

I have a bunch of photographs if any of them might be helpful.

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Sure, photos are always welcome.

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Temporarily uploaded to https://www.retrogamesformac.com/svg.zip – will leave them there for a week.

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ec1842 WIP. This is almost a PC AT clone, sans second DMA chip and plus other funkiness (a modified 8086 clone plus an external MMU to support running software for 80286). Quite nice font, too:

[Linked Image from i.imgur.com]

Last edited by shattered; 09/15/20 09:38 PM.
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ProDOS is almost working on agat9 (crashes after reading disk directory):

[Linked Image from i.imgur.com]

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Recording of sales demo (made in IBM Storyboard Plus) for a few Soviet computers (big iron and PC clones), originally shipped with ec1842, and dated June 1991:

https://www.youtube.com/watch?v=ruY_TuuNOVg

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Most of remaining unemulated Soviet PC clones are not very interesting, but Istra-4816 is truly weird. It's not clear if it was designed as a PC clone from the start, or retrofitted later, but the finished product definitely runs DOS (and Prince of Persia).

It has three CPUs (two 8080 and one 8086), one 8080 does I/O emulation for the other two, another is described a 'supervisor' and may run its own OS (likely CP/M) concurrently with whatever is running on 8086. All three have shared access to RAM, but only IO cpu has access to ROM. Video hardware uses two 8275s and apparenty can mix text and graphics modes within scan line.

All in all, this is so weird that even with schematics (which are available) and ROMs (not yet) I'm not inclined to work on it smile

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