emulator

On 2/7/2006 at 4:13 PM Simon Fryer wrote: We run into this quite frenquently. As you probably realize, the big problem is analyzing what the peripheral hardware does and how one programs it--and all of the little program tweaks that were necessary to get it to work as advertised. 512K of program code is not a drop in the bucket. And it goes without stressing that checkout of any replacement involves hands-on access to hardware. They might be better off having the original design duplicated to maintain a stock of replacements--it might be cheaper that way. It's what you don't know that will kill you. That V25 may be hosting older 8080 code being run in emulation mode. In that case, replacement with, say, an 80188 may not be straightforward. FWIW, Chuck