Alienthe wrote:
I was told many years ago that Am9511 was easily interfaced to Z80 but a dog wrt. 6502. It was possible and I knew someone who did it, using rather a lot of interfacing chips but it was considered painful and expensive.
I came across an image which makes it look easy: an expansion card for an AppleII which apparently could have been even simpler:
The product is from 1983, comes with a Forth and proclaims 100x faster floating point. There's
more here including followup on Garth's spotting of a similar offering announced in 1980:
Quote:
Regarding speed of the Apple II: There was a Forth engine plug-in board that would have been cool to try. I was looking at a programming magazine from 1982 and came across an ad for MicroSpeed for the Apple II. At the top it says in big letters, "TEST-FLY A $20 MILLION JET ON AN APPLE? YES. WITH MICROSPEED."
. There's a little more 6502-related content at
.