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stw
Store Word
PPC440x5 CPU Core User’s Manual Preliminary
Page 422 of 589
instrset.fm.
September 12, 2002
stw
Store Word
EA (RA|0) + EXTS(D)
MS(EA, 4)
(RS)
An effective address (EA) is formed by adding a displacement to a base address. The displacement is
obtained by sign-extending the 16-bit D field to 32 bits. The base address is 0 when the RA field is 0, and is
the contents of register RA otherwise.
The contents of register RS are stored at the EA.
Registers Altered
None
stw RS, D(RA)
36 RS RA D
0 6 11 16 31