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as understands the following addressing modes for the H8/300:
rn
Register direct
@rn
Register indirect
@(d, rn)
@(d:16, rn)
@(d:24, rn)
Register indirect: 16-bit or 24-bit displacement d from register n. (24-bit displacements are only meaningful on the H8/300H.)
@rn+
Register indirect with post-increment
@-rn
Register indirect with pre-decrement
@
aa
@
aa:8
@
aa:16
@
aa:24
Absolute address aa
. (The address size `:24' only makes
sense on the H8/300H.)
#xx
#xx:8
#xx:16
#xx:32
Immediate data xx. You may specify the `:8', `:16', or
`:32' for clarity, if you wish; but as
neither
requires this nor uses it--the data size required is taken from
context.
@
@
aa
@
@
aa:8
Memory indirect. You may specify the `:8' for clarity, if you
wish; but as
neither requires this nor uses it.
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