TSK3000A Core Instruction - SRAV

Frozen Content

Modified by Admin on Sep 13, 2017

Instruction:

Shift Right Arithmetic Variable

Assembler Format:

srav rC, rB, rA

Example:

srav $3, $4, $5

Description:

Right-shifts the contents of GPR rB (by the number of bits designated by the low-order five bits of GPR rA). The high-order bits become sign-extended and the resulting word is put in GPR rC.

Operation:

rC <-- rB >> rA _4..0

Instruction Type:

R-Type

Instruction Fields:

R-Type
Instruction Fields: rA = Register index of operand A

rB = Register index of operand B

rC = Register index of destination

Encoding:

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0	0	0	0	0	0	rA					rB					rC					0	0	0	0	0	0	0	0	1	1	1

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