Re: A83: Flags
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Re: A83: Flags
Here you go:
----------+------+--------------------------------------------
S S Sign flag (Bit 7)
Z Z Zero flag (Bit 6)
HC H Half Carry flag (Bit 4)
P/V P Parity/Overflow flag (Bit 2, V=overflow)
N N Add/Subtract flag (Bit 1)
CY C Carry flag (Bit 0)
Does that help?
James Matthews (matthews@tkb.att.ne.jp)
ICQ: 7413754
http://home.att.ne.jp/gold/tomcat21/index.html
http://library.advanced.org/18242/
----------
> From: Alan C Johnson <benjamin99@juno.com>
> To: assembly-83@lists.ticalc.org
> Subject: Re: A83: Flags
> Date: Saturday, September 26, 1998 3:20 AM
>
>
> I haven't seen anything on the flags there.
>
> >
> >Alan C Johnson wrote:
> >>
> >> What are all of the Z80's flags?
> >>
> >
> >read some z80 specifications..
> >
> >In general they are bits set and cleared according to the result of
> >an
> >instruction
> >Z, the zero flag is for example set if the result of for example a
> >sub
> >instruction is zero.
> >
> >You use them mainly in conditional jumps
> >
> >To see exactly all flags that exist, and when they are set and
> >cleared,
> >check the instructions listings for the z80, for example them that is
> >available at ticalc.com, those are the ones I use..
> >
> >
> >//Olle
> >
>
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