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Commit Graph

4 Commits

Author SHA1 Message Date
Virgil Dupras
440ea43a88 z80a: make mnemonic names more uniform across assemblers
Initially, I used the same letters as those used in the z80 ref
docs, but it makes the different assemblers harder to use than they
should. Having consistent "argtype" rules across assemblers should
help.
2020-06-27 22:01:56 -04:00
Virgil Dupras
1094ec9c57 Make DO..LOOP stable
DO and LOOP now only compile words from stable ABI, which make them
suitable for xcomp. This will greatly simplify driver writing and
allow us to mostly avoid the low/high divide in drivers.

LEAVE is still xcomp-incompatible though.

This make us very very tight for "<0x100" limit for literal words.
Hopefully, we won't need more stuff in that area of the binary...
2020-05-12 10:40:59 -04:00
Virgil Dupras
9df053b76c z80a: add CPn, 2020-05-05 21:49:26 -04:00
Virgil Dupras
0892193cbe Copy z80a.fs to disk blocks
I don't remove z80a.fs yet because build process needs it, but that
will change shortly.
2020-04-19 20:36:13 -04:00