Re: A86: 5MHz
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Re: A86: 5MHz
In a message dated 12/27/99 4:22:19 PM Mountain Standard Time,
kirkmeyer@bigfoot.com writes:
> Well, after performing a few tests. The TI-86 does not appear to run at
> 6Mhz. With totally new batteries, the CPU was clocked at about 4.8MHz.
(With
> older batteries it is more like 4MHz.) This was tested with a routine that
> took 360,000,000 t-states. This means one of two things.
>
> [A] TI is lying. I doubt this, since I don't think they make 5Mhz
> processors. (maybe they do?) Also I doubt why TI would lie anyway.
>
> [B] Something is eating up that much processor time (this is with
interrupts
> disabled by the way). Try the code for yourself, it's at the bottom...
Perhaps the Z80 is slower with interrupts disabled??? Try installing an IM 2
interrupt handler which does nothing, and see if the same results appear...
JayEll
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