Betadisk shematics & 48K-CPM

PORTHOS

Hi out there,

can someone help me out with the shematics for the Betadisk-Interface?
I built one 17 years ago, it works fine till today, but I'm to lazy for reverse-engeniering nowadays.
In the former GDR, we made 48k Machines CPM-compatible with TR-DOS and a bank-switching-add.
It would be fine, if some guys who were involved in this could contact me, because my copy crashes randomly after a few ten minuts with a stack-overflow as it seems (judging by the vertical stripes at the TV).

for further information, feel free to have a look here: http://www.worldofspectrum.org/forums/showthread.php?t=3555


thanks, to all, who keep the memories alive

Porthos

velesoft

PORTHOS wrote: »

Hi out there,

can someone help me out with the shematics for the Betadisk-Interface?
I built one 17 years ago, it works fine till today, but I'm to lazy for reverse-engeniering nowadays.
In the former GDR, we made 48k Machines CPM-compatible with TR-DOS and a bank-switching-add.
It would be fine, if some guys who were involved in this could contact me, because my copy crashes randomly after a few ten minuts with a stack-overflow as it seems (judging by the vertical stripes at the TV).

for further information, feel free to have a look here: http://www.worldofspectrum.org/forums/showthread.php?t=3555


thanks, to all, who keep the memories alive

Porthos

complette BETADISK SCHEMATIC:
http://cygnus.speccy.cz/popis_trdos-schema.php

english tlanslation:
http://translate.google.cz/translate?u=http%3A%2F%2Fcygnus.speccy.cz%2Fpopis_trdos-schema.php&sl=cs&tl=en&hl=cs&ie=UTF-8

VELESOFT