OSI or other 6502 systems with AM9511 or Intel C8231 FPU

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wawa.voun
Posts: 49
Joined: Sun Nov 22, 2020 5:59 pm

OSI or other 6502 systems with AM9511 or Intel C8231 FPU

Post by wawa.voun »

Hello there,

Somebody have information about use of AM9511 or Intel C8231 FPU with OSI system ?

In search information about hardware installation but also software (best way to use it with OSI Basic ?).

Thanks, regards.
Philippe
RedskullDC
Posts: 62
Joined: Thu Jul 18, 2013 11:24 am
Location: Dorrigo, NSW , Australia

Re: OSI or other 6502 systems with AM9511 or Intel C8231 FPU

Post by RedskullDC »

Hi Philippe,

Check out : https://www.applefritter.com/content/ar ... -processor

The uSPEED card for the APPLE][ sported an AM9511 chip.

There were a few clones that used similar co-processors as well.

Cheers,
Leslie
Superboard II - RevD, 8Kb, DABUG monitor ROM.
C1P - RevD, 610, 2 drives, CEGMON.
FPGA C1P/C2/C4. 1-8MHz, 48Kb ram, CEGMON, 16KB Hires.
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