On Mon, 23 Feb 2026 at 16:19, Joseph Reichman <
[email protected]> wrote:


> The receiving field needs to have hex 20 and 21s for a s0C7


So are you trying to generate an 0C7, or trying to avoid one? If you want
one in order to test a recovery routine or the like, CVB will be happy to
generate one for you. A quick and dirty way to produce one is

CVB   0,*

which will fail because the second half of the CVB opcode 4F is not a valid
digit code. I don't suggest this for anything other than quick testing,
because it could conceivably fail for other reasons, e.g. if the
instruction is at the end of a page.

If you're trying to avoid one, all I can suggest is to make sure your data
is valid signed packed decimal.

Tony H.

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