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#101333 08/28/15 08:11 AM
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I'd like to discuss VME boards here. VME based systems are highly modular and was introduced early 80ies as a standardized continuation of Versabus. At first only 68000 family was supported but over the years many CPU types and i/o boards were adapted and the latest standard even support 64bits aka VME64. I intend to contribute drivers for a few early ones suitable for emulation. If you sit on information or ROMs fitting this description please let me know.

First out is Force Computers CPU-1 for which I have just filed a pull request. Or you can grab it at https://github.com/JoakimLarsson/mame.git branch m0165_fccpu1_3

layout files and instructions are found here: https://drive.google.com/file/d/0B685nj_1DkdueXdLR2N4STd4RWs/view?usp=sharing


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Edstrom #101341 08/28/15 05:56 PM
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Do you have anything on Force SYS68K series? It was apparently OEM'd in Soviet Union and repackaged into a workstation product (skeleton driver -- besta.c)

edit: d'oh, it *is* the sys68k series :-) I strongly suspect that earliest models of Besta used original Force components and later models used redesigned/customized ones.

Last edited by shattered; 08/28/15 08:33 PM.
Edstrom #101342 08/28/15 06:20 PM
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Force Computers pull request has been applied to trunk.

Edstrom #101349 08/29/15 04:02 AM
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The CPU-1 is the very first SYS68K board and I think I have the first revision too super seeded by the CPU-1B/D described here: http://bitsavers.trailing-edge.com/pdf/forceComputers/1988_Force_VMEbus_Products.pdf.

I'll take a look at the Besta and see if I can merge the two drivers, I didn't know this, thanks for the pointer!

Edit: Yes, Besta seems to follow the address map and specs of the SYS68K/CPU-30 series launched in Q2/1988, I am only puzzled by the SDRAM which sits in the User EPROM area instead of in the designated SRAM area. I believe that Besta should be a clone if there was a CPU-30 driver.

Last edited by Edstrom; 08/29/15 04:37 AM.

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Edstrom #101350 08/29/15 06:34 AM
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There's a native SysV Unix OS for it, and a Linux port, btw -- https://github.com/shattered/linux-m68k

Plus lots of documentation, in Russian obviously, some in electronic form.

shattered #101351 08/29/15 06:52 AM
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By the way, it's nice to see more new MAME developers from Sweden. Hej from Stockholm! smile

Edstrom #101356 08/29/15 03:02 PM
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Great, maybe I just outline a CPU-30 driver then and try to include the features from Besta as a clone, however I like to have some real hardware too, I am a hands on guy smile I put it on the todo list.

Right now I am struggling with a Heurikon hk68/v10 based on 68010, and I got a Mizar 8105 and a Motorola MVME-350.

Tack detsamma JD!


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Edstrom #101357 08/29/15 03:39 PM
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I'll check if any Besta hardware is available for sale or donation (likely the former, though)...

Edstrom #101371 08/30/15 01:42 PM
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I have just submitted a pull request for a new VME board, you can grab it at https://github.com/JoakimLarsson/mame.git branch hkv10_2

The Heurikon HK68/V10 VME CPU board

Features: - 68010 CPU @ 10 MHz, 128Kb ROM, 1Mb Dual port DRAM, 1 CIO Parallell interface, 2 serial ports,
1 SCSI interface with support for up to 8 devices, A16/A24 VME bus, Optional MMU, DMA, FPU

This is an advanced 68010 based SBC for VME based industrial applications relesed around 1985. The
intended use is in a VME cage together with VME compatible I/O cards and specifically Heurikon own series. This
manual for Herikon UNIX gives a detailed view on a industrial UNIX configuration:

http://bitsavers.informatik.uni-stuttgar...Guide_Apr87.pdf

Mame emulation currently supports:
- CPU
- 128K System ROM
- 1Mb of RAM
- System ROM Terminal interface

Layout files and instructions found here:
https://drive.google.com/file/d/0B685nj_1DkduaURJZVZqUFljTk0/view?usp=sharing


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Edstrom #101422 09/01/15 08:56 PM
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I just uploaded a couple more Heurikon manuals to bitsavers

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