Sord M5 (Japanese Computer)

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Moondandy
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Sord M5 (Japanese Computer)

Unread post by Moondandy »

Hi guys,
I was just pointed towards this core, of a Japanese computer (similar to MSX) the Sord M5.
https://github.com/tdlabac/SordM5_MiSTer

https://en.wikipedia.org/wiki/Sord_M5

Looks like it was mentioned once before here but never got a proper thread. Seems a really interesting machine, hopefully the developer can update us on it and it makes it into Main at some point.
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Re: Sord M5 (Japanese Computer)

Unread post by jca »

The last update is from 09/28 so the developer is working on it.
Thanks for the info.
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Re: Sord M5 (Japanese Computer)

Unread post by molekula »

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Re: Sord M5 (Japanese Computer)

Unread post by EeDee »

Thanks for that :-)
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Re: Sord M5 (Japanese Computer)

Unread post by Moondandy »

Congrats of getting your core officially released!
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Re: Sord M5 (Japanese Computer)

Unread post by vanfanel »

@molekula

Thanks for this core, I didn't know this microcomputer and seems indeed very close to the MSX standard!
Would it be possible to add MSX compatibility to it?
See, we lack a proper MSX1 core: the MSX core on the MiSTer (OCM) implements a strange mix of machines, none of which work right (MSX1 sound fails in a lot of games, a lot of MSX1 fail to load even with the right slot mapping pokes, etc).
An MSX1 compatible core derived from this core would be VERY welcome!
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Re: Sord M5 (Japanese Computer)

Unread post by jca »

There is an unofficial MSX1 core:
https://www.misterfpga.org/viewtopic.php?f=14&t=820
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Re: Sord M5 (Japanese Computer)

Unread post by vanfanel »

jca wrote: Wed Nov 10, 2021 1:03 pm There is an unofficial MSX1 core:
https://www.misterfpga.org/viewtopic.php?f=14&t=820
That one is also buggy and abandoned :cry:
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Re: Sord M5 (Japanese Computer)

Unread post by akeley »

Proper MSX core with normal floppy/cassette/cart (not via SofaRun) operations is in the top of my MiSter most wanted ones. It'd probably be a huge amount of work so not holding my breath.
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Re: Sord M5 (Japanese Computer)

Unread post by Moondandy »

Hopefully that unofficial MSX-1 core gets into Main at some point and other devs can contribute.
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Re: Sord M5 (Japanese Computer)

Unread post by molekula »

Yes, it is true that the Sord M5 is very similar to the MSX-1. After all, the Sord M5 has a modified MSX bios and modified games to work.
As I recall, the modification consisted of adjusting the VDP and keyboard addressing. Additionally, the bios routines had to be modified to work with the cassette player.
Can be tested. Enable EM-64 + Basic - I and load the MSX bios and game from the CAS file. In the links you can trace the correct files for the test.
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Re: Sord M5 (Japanese Computer)

Unread post by LamerDeluxe »

The Spectravideo SVI-328, for which there is a MiSTer core, is also really close to an MSX 1.
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