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Groups > comp.sys.apple2.programmer > #5844

Re: I/O Buffer on Page Boundary

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On 8/14/2021 6:08 PM, qkumba wrote:
> If your assembler can adjust the position using arithmetic, you can
> do the equivalent of "var=(*+255) & -256)", where '*' denotes the
> current location in memory.
> 

Very clever. I'm curious, does Merlin allow the AND of a negative number 
like that?




Hugh Hood

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I/O Buffer on Page Boundary Bill Chatfield <billchatfield1@gmail.com> - 2021-08-13 22:47 -0700
  Re: I/O Buffer on Page Boundary fadden <fadden@fadden.com> - 2021-08-14 07:41 -0700
  Re: I/O Buffer on Page Boundary qkumba <peter.ferrie@gmail.com> - 2021-08-14 16:08 -0700
    Re: I/O Buffer on Page Boundary Hugh Hood <hughhood@earthlink.net> - 2021-08-14 23:11 -0500
      Re: I/O Buffer on Page Boundary qkumba <peter.ferrie@gmail.com> - 2021-08-14 21:33 -0700
  Re: I/O Buffer on Page Boundary Michael J. Mahon <mjmahon@aol.com> - 2021-08-15 01:39 -0500
    Re: I/O Buffer on Page Boundary Bill Chatfield <billchatfield1@gmail.com> - 2021-08-16 18:11 -0700

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