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Re: ex- USSR and Soviet Bloc hardware [Re: shattered] #114083 10/14/18 09:46 PM
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That's shown in the manual as "complement writing" mode. Maybe I misunderstood and thought that mem should be complemented? The logic unit is just a black box in the manual and it's behavior isn't well described.

Last edited by crazyc; 10/14/18 09:49 PM.
Re: ex- USSR and Soviet Bloc hardware [Re: shattered] #114084 10/14/18 09:51 PM
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does BK 0010-01 ever really worked ? I've been reported (and then checked myself) it is not - you may type commands and load some game(s), but ingame inputs not working, or acts like some keys pressed all the time.
not sure if its regressed or was like that since beginning.

Last edited by MetalliC; 10/14/18 09:51 PM.
Re: ex- USSR and Soviet Bloc hardware [Re: shattered] #114087 10/15/18 07:13 AM
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shattered Offline OP
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Never tested the BK, but its native CPU (1801VM1) is not emulated, so anything that appears to work does so by accident smile

I did work on VM2 and made some progress (seen earlier in the thread), but the result needs a complete rewrite and I'm not quite sure where to start...

Re: ex- USSR and Soviet Bloc hardware [Re: shattered] #114090 10/15/18 05:19 PM
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MetalliC Offline
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I see. anyway, if its not regression we should mark this system as not_working to not mislead people.

Re: ex- USSR and Soviet Bloc hardware [Re: shattered] #114284 11/13/18 08:09 PM
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shattered Offline OP
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An incentive to make bk.cpp work- the Good Apple demo (2018):

https://www.youtube.com/watch?v=8Q1vN51o-Dg

Re: ex- USSR and Soviet Bloc hardware [Re: crazyc] #114305 11/15/18 07:31 AM
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Originally Posted by crazyc
That's shown in the manual as "complement writing" mode. Maybe I misunderstood and thought that mem should be complemented? The logic unit is just a black box in the manual and it's behavior isn't well described.


Needs more testing -- I've just noticed that cursor disappears if this change is made, in vt240 as well.

There's also a video corruption issue involving scroll regions, easy to reproduce (output a screenful of text and then printf "\033[1;23r\033[23;1H\r\n") Worth a MT or github issue?

Re: ex- USSR and Soviet Bloc hardware [Re: shattered] #114307 11/15/18 01:48 PM
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R. Belmont Online Content
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I don't think a driver where nobody even understands the documentation is worth entering any issues.

Re: ex- USSR and Soviet Bloc hardware [Re: shattered] #114371 12/02/18 09:34 AM
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https://www.computer.org/csdl/mags/co/1978/05/01646958.pdf "Using Emulation to Verify Formal Architechture Descriptions" (in this case PDP-11)

The tidbit about ASHC and V bit is interesting.

Re: ex- USSR and Soviet Bloc hardware [Re: shattered] #114372 12/02/18 09:59 AM
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Re: ex- USSR and Soviet Bloc hardware [Re: shattered] #114614 02/01/19 07:05 PM
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Continued from https://forums.bannister.org/ubbthreads.php?ubb=showflat&Number=114543#Post114543

I've added a skeleton driver for Palestra-02 console (a TTL-only Pong clone from 1978), and typed in most of its schematic (sans the paddle input circuits). There are bugs in the schematic (connections with no signal source &c), but I do not have the actual console to debug, so this is on hold until one is found somewhere.

Gorodki arcade (also TTL-only) has a much better chance of working - there are known good machine readable schematics, hopefully these can be converted from Proteus format to something nlconv can parse (pinging @IgorRus here).

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