BDI corporate controller for the Sinclair ZX-Spectrum - a di

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zorel
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Εγγραφή: Πέμ Μαρ 29, 2012 5:08 pm
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BDI corporate controller for the Sinclair ZX-Spectrum - a di

Μη αναγνωσμένη δημοσίευσηαπό zorel » Κυρ Μάιος 06, 2012 8:04 pm

BDI corporate controller for the Sinclair ZX-Spectrum - a discussion
Hi all. A dream come true, a friend sent to usa, corporate spec - zx spectrum +2. And then immediately caught up with the idea of ​​making the controller the drive for him in the FPGA. throw a scheme, if someone is interested, will share the pattern.

A brief description of the features of the controller:

A. You can connect with some individual restrictions to the following models:
Sinclair ZX Spectrum 48K
Sinclair ZX Spectrum + 48K
Sinclair ZX Spectrum + 128K
Sinclair ZX 128K Spectrum +2 gray Amstrad production
Sinclair ZX 128K Spectrum +2 A/2B black production of Amstrad
Sinclair ZX 128K Spectrum +3 production Amstrad

Two. The controller can be configured with five switches, DIP switch, action and purpose of these switches depends on the firmware ALTERy and can be anything.

Three. There is a button that is traditionally called MAGIC, action and purpose of which depends on the firmware ALTERy and can be anything.

4. The controller can analyze the output and input form the main bus signals ZX-BUS in accordance with the firmware ALTERy.

Five. The controller chip is physically contains FDC controller FDC 1793/KR1818VG93/MB8877A depending on the version, the main signals which can be analyzed ALTEROy.

6. The controller contains the ROM capacity from 128K (minimum to accommodate TRDOS), in the current versions of the ROM board mikruha 28 feet, respectively, the total possible up to 512K, if necessary, can be increased by replacing the ROM on a 32-noguyu. If necessary, the internal ROM of the controller can replace the ROM computer (for models +2 A / B and 3 can turn off your computer every ROM included), replacement of the algorithm depends on the firmware ALTERy and can be anything. Address the ROM from the A14 and above are monitored ALTEROy.

7. Supports two floppy disk drive.
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zorel
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Re: BDI corporate controller for the Sinclair ZX-Spectrum -

Μη αναγνωσμένη δημοσίευσηαπό zorel » Τετ Ιουν 20, 2012 11:28 am

that's such a controller is turned, the author of Russia.
spectrum +2 vneschnim works with the drive, the operating system tr-dos 8-)

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