TSK3000A Core Instruction - SW

Instruction:

Store Word

Assembler Format:

sw rB, IMM16(rA)

Example:

sw $3, 2($5)

Description:

Generates a 32-bit effective address by sign-extending the 16-bit immediate value, IMM16, and adding it to the contents of GPR rA. It then stores the contents of GPR rB at the resulting effective address.

Operation:

Mem32[rA + SignExtend(IMM16)] <-- rB

Instruction Type:

I-Type

Instruction Fields:

rA = Register index of operand A (base address)

rB = Register index of operand B

IMM16 = 16-bit immediate data value