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Table 3.6 logic operation instructions – Renesas SH7781 User Manual

Page 87

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3. Instruction Set

Rev.1.00 Jan. 10, 2008 Page 57 of 1658

REJ09B0261-0100

Instruction Operation

Instruction Code

Privileged T Bit

New

MULU.W Rm,Rn

Unsigned,

Rn

× Rm → MACL

16

× 16 → 32 bits

0010nnnnmmmm1110 — — —

NEG

Rm,Rn

0 – Rm

→ Rn

0110nnnnmmmm1011 — — —

NEGC

Rm,Rn

0 – Rm – T

→ Rn,

borrow

→ T

0110nnnnmmmm1010 — Borrow

SUB

Rm,Rn

Rn – Rm

→ Rn

0011nnnnmmmm1000 — — —

SUBC

Rm,Rn

Rn – Rm – T

→ Rn,

borrow

→ T

0011nnnnmmmm1010 — Borrow

SUBV

Rm,Rn

Rn – Rm

→ Rn,

underflow

→ T

0011nnnnmmmm1011 — Underflow

Table 3.6

Logic Operation Instructions

Instruction Operation

Instruction Code

Privileged T Bit

New

AND

Rm,Rn

Rn & Rm

→ Rn

0010nnnnmmmm1001 — —

AND

#imm,R0

R0 & imm

→ R0

11001001iiiiiiii — —

AND.B #imm, @(R0,GBR)

(R0 + GBR) & imm
→ (R0 + GBR)

11001101iiiiiiii — —

NOT Rm,Rn

~Rm

→ Rn

0110nnnnmmmm0111 — —

OR

Rm,Rn

Rn | Rm

→ Rn

0010nnnnmmmm1011 — —

OR

#imm,R0

R0 | imm

→ R0

11001011iiiiiiii — —

OR.B

#imm, @(R0,GBR)

(R0 + GBR) | imm
→ (R0 + GBR)

11001111iiiiiiii — —

TAS.B @Rn

When (Rn) = 0, 1

→ T

Otherwise, 0

→ T

In both cases,
1

→ MSB of (Rn)

0100nnnn00011011 — Test

result

TST

Rm,Rn

Rn & Rm;
when result = 0, 1

→ T

Otherwise, 0

→ T

0010nnnnmmmm1000 — Test

result

TST

#imm,R0

R0 & imm;
when result = 0, 1

→ T

Otherwise, 0

→ T

11001000iiiiiiii — Test

result

TST.B #imm,

@(R0,GBR)

(R0 + GBR) & imm;
when result = 0, 1

→ T

Otherwise, 0

→ T

11001100iiiiiiii —

Test
result

XOR Rm,Rn

Rn

∧ Rm → Rn

0010nnnnmmmm1010 —