On Wed, Feb 21, 2018 at 10:19 AM, Ray Arachelian via cctalk < cctalk@classiccmp.org> wrote:
> On 02/19/18 19:36, Adrian Stoness via cctalk wrote: > > whats invovled in makin an emulator? > > i have a chunk of stuff for the phillips p1000 > > Quite a lot actually. A single CPU system is difficult enough, but a > mainframe might be much, much harder. The idea to use an existing > emulator framework, such as SIMH, is a great one. > Ray, you've provided a few really excellent messages here. [snip] > Are you planning on emulating the whole machine, or just the userland? > Might be easier to create a simulation of the OS in software on the host > side the way that Executor did with MacOS - Cliff implemented his own > version of MacOS 7.x, enough to be able to run most applications of that > era, but not all. see: https://github.com/ctm/executor.git and > https://github.com/ctm/executor.git - some of this is called "High Level > Emulation" and is sort of what WINE does (though wine isn't an emulator). > You put the same URL in twice there; did you intend for another URL? I was quite a fan of Executor. It's cool to see that it's open source now. > Be careful > as there's a lot of "emu scene" folks out there with tons of free time, > more than you might have, who will happily promise to help, but instead > take your documentation, firmware, OS images, etc. and compete with you > behind your back just to get there first, instead of actually helping > you with your project. On this latter point, I sadly speak from > experience. > Wow, I didn't know about that. Good to know. -- Eric Christopherson
