Date : Mon, 18 Aug 2008 08:57:29 +0000 (GMT)
From : kranser@... (Steve Fewell)
Subject: Hard reset from Software
> No. There is no software way of dropping the RST line,
> which is
> required to reset the hardware and the CPU.
>
> > LDA #&7F
> > STA &FE4E
> > JMP (&FFFC)
> > is equivalent to a powerup reset.
>
> Otherwise seen as OS."FX151,78,127":CALL !-4
>
> No it isn't, it software resets *one* peripheral which
> just happens
> to have the ability to be reset through software, and then
> jumps to
> the code that a reset causes the CPU to jump to, relying on
> the
> firmware to cope with the reset code being entered with the
> hardware not in a reset state.
>
So what does OS."FX200 2":CALL !-4 do? Just a memory clear reset?
So, is that the same level of power-on reset that *FX151,78,127 causes, or
is the *FX151,78,127 reset one up on the memory clear one?
Just wondering...
Thanks,
Steve.
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