Apple 2 with IBM/PC/MS-DOS?

[Ant]

Back in the rad 80s, I remember someone's computer that had both Apple 2
and IBM/PC/MS-DOS. What was this computer?

Thank you for reading and hopefully answering. :)
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[Raymond Wiker]

a...@zimage.comANT (Ant) writes:

> Back in the rad 80s, I remember someone's computer that had both Apple 2
> and IBM/PC/MS-DOS. What was this computer?
>
> Thank you for reading and hopefully answering. :)

"Trackstar", perhaps?

https://www.diskman.com/presents/trackstar/

[Steve Nickolas]

On Thu, 4 Jan 2024, Ant wrote:

> Back in the rad 80s, I remember someone's computer that had both Apple 2
> and IBM/PC/MS-DOS. What was this computer?
>
> Thank you for reading and hopefully answering. :)
>

PC Transporter?

-uso.

[Your Name]

There were a few cards for the Apple II, Macintosh, and Amiga that let
you run PC / MS-DOS programs. Usually they were basically an entirely
separate computer that you booted into instead of the host computer
(you couldn't use both at once) while still using the host's computer's
keyboard, etc.

[TRS-90]

> There were a few cards for the Apple II, Macintosh, and Amiga that let
> you run PC / MS-DOS programs. Usually they were basically an entirely
> separate computer that you booted into instead of the host computer
> (you couldn't use both at once) while still using the host's computer's
> keyboard, etc.

Makes me think of using a CP/M card in an Apple. It's pretty much using two different computers with the same keyboard and monitor. I guess one might be able to move an ascii file back and forth with effort.

[Mike Spangler]

Applied Engineering had the PC Transporter that was a PC on a card. They also sold a PC style floppy disk. It was quite the power hog, you really needed to upgrade the power supply too.

I have a Mac Quadra 640 with a PC card built in. I never used the PC side. I have nothing to run on it. It's a 80486 processor I think. There were several models of Macs that had PC compatibility by various add-in cards.

[Steve Nickolas]

On Tue, 9 Jan 2024, Mike Spangler wrote:

> I have a Mac Quadra 640 with a PC card built in. I never used the PC
> side. I have nothing to run on it. It's a 80486 processor I think. There
> were several models of Macs that had PC compatibility by various add-in
> cards.

I've got a Performa 636 (same thing, crippled CPU) without the card...was
going to use it, but wasn't able to find a way to hook it up to my LAN
(tried an Asanté SCSI-to-Ethernet dongle, it didn't work - might be a
limitation of the router though come to think of it).

-uso.

[Dave Yeo]

Actually wasn't that hard to call 6502 code from the Z80 card. Forget
the specifics, store some values and make a jmp or call taking the
address offset (Z80 mapped the address 4K higher IIRC) into
consideration. Easy way to use graphics from CP/M, use the Applesoft
routines
Dave

[TRS-90]

"Dave Yeo" wrote:
> Actually wasn't that hard to call 6502 code from the Z80 card. Forget
> the specifics, store some values and make a jmp or call taking the
> address offset (Z80 mapped the address 4K higher IIRC) into
> consideration. Easy way to use graphics from CP/M, use the Applesoft
> routines
> Dave

I stand corrected and informed.

[Dave Yeo]

It may have varied depending on card but CPM had to use the 6502 to
operate the disk and console.
Dave

[Oliver Schmidt]

Hi,

> It may have varied depending on card but CPM had to use the 6502 to
> operate the disk and console.

Yeah, most of the "CP/M 2.2 for the MS Softcard" BIOS is 6502 code.

Regards,
Oliver