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collapseos/blk/298
Virgil Dupras eefbf66e95 De-stabilize (br), (?br), (loop), (s)
When writing the xcomp documentation, I realized that with careful
threading and by accepting a bit of code duplication in the xcomp
toolset, I could de-stabilize a couple of words.

(n) and EXIT are a bit trickier, but I think it can be done. It
would be nice to get rid of stable wordrefs...
2020-09-19 13:54:01 -04:00

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CODE (loop)
0 IX+ INC(IXY+), IFZ, 1 IX+ INC(IXY+), THEN, ( I++ )
( Jump if I <> I' )
A 0 IX+ LDrIXY, 2 IX- CP(IXY+), JRNZ, L1 BWR ( branch )
A 1 IX+ LDrIXY, 1 IX- CP(IXY+), JRNZ, L1 BWR ( branch )
( don't branch )
IX DECd, IX DECd, IX DECd, IX DECd,
BC INCd,
;CODE