Re: A86: batt checker
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Re: A86: batt checker
in 0,(c)
in (c)
in f,(c)
whatever. that's the trouble with undocumented opcodes, no one agrees.
yeah, it's 12 t-states. i do think the f,(c) form is a tad misleading.
-josh
On Wed, 02 Dec 1998 17:47:23 +0100 Jimmy =?iso-8859-1?Q?M=E5rdell?=
<yarin@acc.umu.se> writes:
>
>At 04:55 1998-12-02 -0500, you wrote:
>>
>>try an acurracy of about 15 t-states! the only problem with this is
>the
>>unknown timing of in f,(c); does someone want to test this? (I'm
>unable to
>>link)
>
>First, I thought the instruction was "in 0,(c)" as the actual
>in value isn't stored anywhere. The flags are set according to
>the generic "in r,(c)" routine.
>
>And I assume in f,(c) uses the same amount of T-states as
>in r,(c).
>
>//Jimmy Mårdell
>
>E-mail: yarin@acc.umu.se
>Homepage: http://www.acc.umu.se/~yarin/
>
>
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