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3 commits

Author SHA1 Message Date
Bill Currie
e20aed5c5a [gamecode] Change address mode B to entity.field 
It turned out that address mode B was redundant as C with 0 offset
(immediate) was the same (except for the underlying C code of course,
but adding st->b is very cheap). This allowed B to be used for
entity.field for all transfer operations. Thus instructions 0-3 are now
free as load E became load B, and other than the specifics of format
codes for statement printing, transfers+lea are unified.
 2022-01-20 14:55:29 +09:00
Bill Currie
e133de8c89 [gamecode] Drop B addressing for lea 
When creating the tests for lea, I noticed that B was yet another simple
assign, so I decided it was best to drop it and move E into its place
(freeing up another instruction).
 2022-01-15 16:27:46 +09:00
Bill Currie
11e89c8c97 [gamecode] Add tests for lea 2022-01-15 16:07:11 +09:00