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Instruction Set 9-75
lha
Load Halfword Algebraic
9.Instruction Setlha
Load Halfword Algebraic
EA ← (RA|0) + EXTS(D)
(RT)
← EXTS(MS(EA,2))
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 if the RA field is 0 and
is the contents of register RA otherwise.
The halfword at the EA is sign-extended to 32 bits and placed into register RT.
Registers Altered
•RT
Architecture Note
This instruction is part of the PowerPC User Instruction Set Architecture.
lha RT, D(RA)
42 RT RA D
0 6 11 16 31