Russian ZX BUS

Where can I find informations about ZX BUS used on russian ZX clones ? Pinout is same as on original ZX Spectrum BUS ? :v2_conf2:

VELESOFT

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Сообщение от VELESOFT

Where can I find informations about ZX BUS used on russian ZX clones ? Pinout is same as on original ZX Spectrum BUS ? :v2_conf2:

VELESOFT

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1. You should use schematic diagram of the russian clone named KAY.
2. You should use schematic diagram of the russian clone named Scorpion.
3. You should use document from attachment.

Now the ex Soviet Union standard ZX Spectrum bus - NemoBus. NemoBus - is a modified bus ZX Bus. NemoBus - this is not the Russian standard, this standard ex Soviet Union. NemoBus used in all computers KAY, Pentagon-1024SL v1.4, v2.2. A computer Scorpion ZS256/Turbo+ is not used NemoBus, there is clone ZX Bus. The main difference NemoBus of ZX Bus - the existence of arbitration. Slots NemoBus not the same, highest priority is the 1 st slot, the 3rd slot is the lowest priority. To work NemoBus are most familiar to the original scheme of computer KAY-1024SL:KAY-1024.rar

Attention! Archive will be removed within a week.

Try this...

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Сообщение от Evgeny Muchkin

Try this...

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This is very similar as original ZX Spectrum BUS :v2_rolley
Pinout of main signals(from CPU) is same. :v2_thumb:
You can connect interface designed for original ZX models to russian ZX clones with this ZX bus layout.

http://velesoft.speccy.cz/other/zx_bus_video.png

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Сообщение от VELESOFT

You can connect interface designed for original ZX models to russian ZX clones with this ZX bus layout.

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This of course can be done, but it does not make sense.

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Сообщение от Black_Cat

This of course can be done, but it does not make sense.

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You can connect to russian ZX clones:
- my K-MOUSE TURBO interface (compatible with russian wheeled kempston mouse)
- DATA-GEAR (DMA)
- SAA1099 interface (sound chip from SAM COUPE)
- DivIDE interface (use extra rom+ram, ide ports, systems with FAT16 support, TAP, SNA, Z80 loading....)
- MB02 interface (DMA support, external memory rom and ram(512kB),rtc,8255)

And I can connect to my original ZX128+2:
- GENERAL SOUND
- Z-CONTROLLER
- ZXMC

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Сообщение от VELESOFT

- my K-MOUSE TURBO interface (compatible with russian wheeled kempston mouse)
- DATA-GEAR (DMA)

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In the ex USSR normally connect using soldering iron.

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Сообщение от VELESOFT

- SAA1099 interface (sound chip from SAM COUPE)
- DivIDE interface (use extra rom+ram, ide ports, systems with FAT16 support, TAP, SNA, Z80 loading....)
- MB02 interface (DMA support, external memory rom and ram(512kB),rtc,8255)

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Doubtful that these devices will be popular in the ex Soviet Union.

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Сообщение от Black_Cat

Doubtful that these devices will be popular in the ex Soviet Union.

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No, but is it possible connect.

Exist any russian interface with external memory (sram/rom) ?

VELESOFT

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Сообщение от VELESOFT

Exist any russian interface with external memory (sram/rom) ?

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Explaine, please.

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Сообщение от VELESOFT

Exist any russian interface with external memory (sram/rom) ?

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Electronic circuits connecting SRAM exist, but there is no single standard. For the clones ZX Spectrum ex USSR is not necessary to have an SRAM, as they have large amounts of RAM. In addition bus NemoBus allows external devices to connect external memory in address range #0000-#3FFF.

More recent information: http://zx.clan.su/forum/7-82-1

Смотрю я на этот ваш зхбас
и что то больно он похож на разъем для картриджей от дендика
(которых у меня лежат мертвых 3 штуки)
не оно ли это?
вроде бы тоже 60 pin 2.54 шаг

можно их задействовать в спектрумостроении?

хотя беглый загляд в доку блеккета
говорит что там 62 пин-а о_О

на куче фоток 60 пиновые... о_О