Re: A new pseudo-disk for Apple 2.

[Linards Ticmanis <ticmanis@gmx.de>]

Alex Freed schrieb:

>> Problem with this: On a II/II+ you can't reliably freeze the CPU for
>> more than about 5 cycles, else it'll lose state.
> 
> Sure you can. Softcard does. The trick is that the clock is only removed for
> a few microseconds but then
> is allowed for one cycle while READY is not asserted. So you can do DMA for
> say 80% of all the cycles
> and allow the 6502 to fetch a byte now and again.

I don't have the data sheet for NMOS 6502 around.. what exactly is the
effect when you don't assert READY? The processor will fetch a byte but
will still stay stuck at the instruction it's at?

-- 
Linards Ticmanis