Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!cica!iuvax!purdue!haven!grebyn!ckp From: ckp@grebyn.com (Checkpoint Technologies) Newsgroups: comp.sys.amiga Subject: Additional CPUs (was: A rough future for the Amiga???) Message-ID: <19543@grebyn.com> Date: 10 Apr 90 15:21:07 GMT References: <16192@snow-white.udel.EDU> <1990Apr8.013940.12984@wam.umd.edu> <10715@cbmvax.commodore.com> Reply-To: ckp@grebyn.UUCP (Checkpoint Technologies) Organization: Grebyn Timesharing, Vienna, VA, USA Lines: 16 In article <10715@cbmvax.commodore.com> andy@cbmvax (Andy Finkel) writes: >In article <1990Apr8.013940.12984@wam.umd.edu> ddev@wam.umd.edu (Don DeVoe) writes: >>as follows: "...It is also the first personal computer to have two >>additional processors - with the power of two additional personal computers - >>to manage the flow of information inside." Now consider: Do the Amiga's >>blitter, copper, etc. themselves have the power of additional personal >>computers??? Nope, they don't. The IIfx uses, I believe, two 6502 to > >The Amiga 500, 1000 and 2000 each have a 6502 as well as a 68000. The keyboard CPU is a 6502? Hmm, this is not what I remember. I thought it was a 6802; certainly comparable. If you have a A2090 or A2090A controller, you also have a Z80 CPU working as an IO processor. This is directly analagous to the Max IIfx's IO coprocessors.