Emulators...

Hi Vladimir!

VY>>> Send me printer ports for Speccy and in my emulator
VY>>> I will transfer data to LPT/FILE.

IB>> And write under BB55, like on Penta. Or it’s possible as on Penta but under
IB>> CENTRONIX. Most programs work under BB55. But there are quite a few
IB>> CENTRONIX ones. I don’t remember the ports, it wasn’t with Pentagons that I spent my entire
IB>> life, with SCORPs!!! :(

VY> People, share your printer ports, eh?

I remember just now :)

on the Pentagon + atm + atm turbo #FB aka 251
some kind of strobe signal is transmitted by the most significant bit of the
port. those. strobe=0 port #7B strobe=1 port #FB,
busy is read via #FB, the result is in 7 bits.

on scorp it seems to be the same, but port #DD and,
ctrobe & busy signals are transmitted somehow differently.

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PF> as I remember right now :)

PF> on the Pentagon + atm + atm turbo #FB aka 251
PF> some kind of strobe signal or something is transmitted by the most significant bit of the
PF> port. those. strobe=0 port #7B strobe=1 port #FB,
PF> busy is read via #FB, the result is in 7 bits.

PF> on scorpion it seems to be the same, but port #DD and, the signals
PF> ctrobe & busy are transmitted somehow differently.

On scorpion it’s almost like that!!! On a scorpion, busy is removed from keyboard port 254, also 7 bits.
And strob is shoved 4 bits into port #1FFD, well, right there, all sorts of nasty stuff - memory bank, ROM, something related to RS (where is this even used???), and the ROM is turned off. Here.

P.S. I've been messing around with scorpions all my life... :)

With respect, Igor.

[Life is neither here nor there... Somebody would shoot me, or something]