El jueves, 8 de agosto de 1996 a las 9:00:00 UTC+2, Allison Parent escribió:

[email protected] (Will Rose) wrote:

Was there ever a version for CP/M? I can't imagine it.
It was slow on 16-bit minis, and modern versions take
up most of a 32-bit processor's power.

Slow is a relative term.. At the time I got to see it it was fair in
the speed department on a monocrome z80/7220 box.
I was more interested in know what ever happend to it and if it can
even be could found in some archive?
Allison

There was something called "Gem Desktop" a Graphics Environment Manager intended to provide a GUI for the cp/m running over Intel 8088 processors and also for the Motorola 68000 processors. (Yes, it was used by the TOS of the Atari ST computers, and also
by the Amstrad PC1512 and PC1640). I saw it running on an Amstrad PC1512.
Gem Desktop (of course) was developed by Digital Research Inc.(The Gary Kildall's company).
Please, read about that, I'm not lying.

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On 24/03/22 19:30, Francisco Martín wrote:

There was something called "Gem Desktop" a Graphics Environment Manager intended to provide a GUI for the cp/m running over Intel 8088 processors and also for the Motorola 68000 processors. (Yes, it was used by the TOS of the Atari ST computers, and

also by the Amstrad PC1512 and PC1640). I saw it running on an Amstrad PC1512.

Gem Desktop (of course) was developed by Digital Research Inc.(The Gary Kildall's company).
Please, read about that, I'm not lying.

IIRC, the Amstrad PC1512 run DR's DOS+, derived from CP/M 86 and TOS
descends from CP/M 68k.

I estimate that with a banked CP/M and a late S-100 graphic card (eg.
SCION) IS possible to port GEM on a banked CP/M-80, using one or two
banks for GEM, one for the graphic card, and the remaining bank(s) as TPA.

uhm... thinking on, a 4MHz Z80 S-100 machine with 256K RAM, a 10-20M HD,
MPM and GEM and a graphic terminal and one or two character consoles,
running single-user under GEM and multiuser under character interface
can easily be an interesting early-to-mid 1980s SOHO solution, esp. in
the architectural field
(here in Italy, mid-80s many architects was using Apple ][ for their
works; I gained a pair or so million lire (~ 4000€ today) in trading
used apples II to architects, circa 1986-7)

Best regards from Italy,
dott. Piergiorgio.

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On Friday, 1 April 2022 at 11:19:05 UTC+1, dott.Piergiorgio wrote:

On 24/03/22 19:30, Francisco Martín wrote:

There was something called "Gem Desktop" a Graphics Environment Manager intended to provide a GUI for the cp/m running over Intel 8088 processors and also for the Motorola 68000 processors. (Yes, it was used by the TOS of the Atari ST computers, and

also by the Amstrad PC1512 and PC1640). I saw it running on an Amstrad PC1512.

Gem Desktop (of course) was developed by Digital Research Inc.(The Gary Kildall's company).
Please, read about that, I'm not lying.

IIRC, the Amstrad PC1512 run DR's DOS+, derived from CP/M 86 and TOS descends from CP/M 68k.

SymbOS isn't really a CP/M GUI as much as it is an OS in it's own right (though does support the CP/M filesystems) but it does run a full GUI and even a degree of multitasking on Z80 platforms with 128k (mainly Amstrads and MSX) so it's definitely doable.


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