"IBM Mainframe Assembler List" <[email protected]> wrote on
04/15/2022 01:10:36 PM:
> For a fixed length move, none. For a variable length move, one.
Why not zero registers required for a variable length initialize?
For an extended displacement instruction such as what follows, the second
full-word parameter can be a 24-bit length where the high-order byte is
the fill character. But, this would be an uninterruptible instruction.
FILL BUFFER,FILLN
Sincerely,
Dave Clark
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