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collapseos/blk/204
Virgil Dupras 295b4b6e0a z80a: add BIN( parameter
Will be useful for assembling binaries for the TRS-80 which can't start
at addr 0.
2020-04-27 15:11:38 -04:00

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Variable actions are expected to be called with labels in
front of them. Example, "L2 FSET"
About that "1 -": z80 relative jumps record "e-2", that is,
the offset that *counts the 2 bytes of the jump itself*.
Because we set the label *after* the jump OP1 itself, that's 1
byte that is taken care of. We still need to adjust by another
byte before writing the offset.