> Sequence could be:
>     LA    1,Pattern+L'Pattern-1 (see below)
>     EDMK  Pattern,Value
>     B     '1110',Positive
>     BCTR  1,0
>     MVI   0(1),C'-'
> Positive DS 0H

Is it worth saving an instruction by replacing the BCTR/MVI with:
      MVIY  -1(1),C'-'
...?

Cheers,
Allen Gainsford
Developer, HP (New Zealand) Ltd

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