Re: LZ: NEW Z80 INSTRUCTION FOUND!!
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C Kuethe wrote:
>
> > I checked the emulator source, where it's called SLL (Shift Left Logically
> > I guess, but I can't see why it's logical...) so I don't know if it should
> > be SLS or SLL.
>
> That SLS instruction is short for Sticky Left Shift, or Shift Left Sticky
> depending on who you ask.
>
> It's an SLA where... well I'll draw it here.
>
>[snip]
>
>
> So it' really and SLA and then a bit copy from the (2^1) column to the
> (2^0) column. There should be a corresponding right shift version that
> does an SRA and then copies bit 6 to bit 7 (numbered 7-0, left to right
> [MSBF] )
>
No, that can't be the case, since SLS 8 gave the answer 17 and according
to you it should be 16.
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