SH7018 datasheet(49/431 Pages) RENESAS

49 / 431 page

Table 2.13

Arithmetic Operation Instructions (cont)

Instruction

Instruction Code

Operation

Execu-

tion

Cycles

T Bit

SUB

Rm,Rn

0011nnnnmmmm1000

Rn–Rm

→ Rn

—

SUBC

Rm,Rn

0011nnnnmmmm1010

Rn–Rm–T

→ Rn,

Borrow

→ T

Borrow

SUBV

Rm,Rn

0011nnnnmmmm1011

Rn–Rm

→ Rn,

Underflow

→ T

Overflow

Note: * The normal minimum number of execution cycles. (The number in parentheses is the

number of cycles when there is contention with following instructions.)

Table 2.14

Logic Operation Instructions

Instruction

Instruction Code

Operation

Execu-

tion

Cycles

T Bit

AND

Rm,Rn

0010nnnnmmmm1001

Rn & Rm

→ Rn

—

AND

#imm,R0

11001001iiiiiiii

R0 & imm

→ R0

—

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

11001101iiiiiiii

(R0 + GBR) & imm

→

(R0 + GBR)

—

NOT

Rm,Rn

0110nnnnmmmm0111

~Rm

→ Rn

—

Rm,Rn

0010nnnnmmmm1011

Rn | Rm

→ Rn

—

#imm,R0

11001011iiiiiiii

R0 | imm

→ R0

—

OR.B

#imm,@(R0,GBR)

11001111iiiiiiii

(R0 + GBR) | imm

→

(R0 + GBR)

—

TAS.B @Rn

0100nnnn00011011

If (Rn) is 0, 1

→ T; 1 →

MSB of (Rn)

Test

result

TST

Rm,Rn

0010nnnnmmmm1000

Rn & Rm; if the result is

0, 1

→ T

Test

result

TST

#imm,R0

11001000iiiiiiii

R0 & imm; if the result is

0, 1

→ T

Test

result

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

11001100iiiiiiii

(R0 + GBR) & imm; if

the result is 0, 1

→ T

Test

result

XOR

Rm,Rn

0010nnnnmmmm1010

Rn ^ Rm

→ Rn

—

XOR

#imm,R0

11001010iiiiiiii

R0 ^ imm

→ R0

—

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

11001110iiiiiiii

(R0 + GBR) ^ imm

→

(R0 + GBR)

—

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