Re: [Simh] Simulator development: Advice on system timing

2017-10-26 Thread Mark Pizzolato
On Thursday, October 26, 2017 at 10:56 AM, Seth Morabito wrote: > I'm battling system timing in the 3B2/400 emulator I'm working on. As > with any system, particular activities such as disk seeks, reads, and > writes must be completed within certain margins -- if they happen too > early or too

Re: [Simh] Simulator development: Advice on system timing

2017-10-26 Thread Paul Koning
> On Oct 26, 2017, at 2:23 PM, Armistead, Jason > wrote: > > If you need accurate device timing, then perhaps something like the core of > MAME/MESS is a better choice than SIMH. All those retro arcade machine games > in MAME depend on counting cycles in order to

Re: [Simh] Simulator development: Advice on system timing

2017-10-26 Thread Armistead, Jason
If you need accurate device timing, then perhaps something like the core of MAME/MESS is a better choice than SIMH. All those retro arcade machine games in MAME depend on counting cycles in order to give realistic game behavior for the human who is playing them. If they ran twice as fast,

Re: [Simh] Simulator development: Advice on system timing

2017-10-26 Thread Paul Koning
> On Oct 26, 2017, at 1:55 PM, Seth Morabito wrote: > > Hello all, and especially those who have written or are writing > simulators, > > I'm battling system timing in the 3B2/400 emulator I'm working on. As > with any system, particular activities such as disk seeks, reads,

[Simh] Simulator development: Advice on system timing

2017-10-26 Thread Seth Morabito
Hello all, and especially those who have written or are writing simulators, I'm battling system timing in the 3B2/400 emulator I'm working on. As with any system, particular activities such as disk seeks, reads, and writes must be completed within certain margins -- if they happen too early or