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Hitachi SH7709S Hardware Manual page 60

Superh risc engine

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Table 2.7 lists the SH7709S arithmetic instructions.

Table 2.7

Arithmetic Instructions

Instruction

Operation

Rn + Rm → Rn

ADD

Rm,Rn

Rn + imm → Rn

ADD

#imm,Rn

Rn + Rm + T → Rn,

ADDC

Rm,Rn

Carry → T

Rn + Rm → Rn,

ADDV

Rm,Rn

Overflow → T

If R0 = imm, 1 → T

CMP/EQ

#imm,R0

If Rn = Rm, 1 → T

CMP/EQ

Rm,Rn

If Rn Rm with

CMP/HS

Rm,Rn

unsigned data, 1 → T

If Rn Rm with signed

CMP/GE

Rm,Rn

data, 1 → T

If Rn > Rm with

CMP/HI

Rm,Rn

unsigned data, 1 → T

If Rn > Rm with signed

CMP/GT

Rm,Rn

data, 1 → T

If Rn 0, 1 → T

CMP/PZ

Rn

If Rn > 0, 1 → T

CMP/PL

Rn

If Rn and Rm have an

CMP/STR Rm,Rn

equivalent byte, 1 → T

Single-step division

DIV1

Rm,Rn

(Rn/Rm)

MSB of Rn → Q, MSB

DIV0S

Rm,Rn

of Rm → M, M ^ Q → T

0 → M/Q/T

DIV0U

Privileged

Code

Mode

—

0011nnnnmmmm1100

—

0111nnnniiiiiiii

—

0011nnnnmmmm1110

—

0011nnnnmmmm1111

—

10001000iiiiiiii

—

0011nnnnmmmm0000

—

0011nnnnmmmm0010

—

0011nnnnmmmm0011

—

0011nnnnmmmm0110

—

0011nnnnmmmm0111

—

0100nnnn00010001

—

0100nnnn00010101

—

0010nnnnmmmm1100

—

0011nnnnmmmm0100

—

0010nnnnmmmm0111

—

0000000000011001

Cycles T Bit

1

—

1

—

1

Carry

1

Overflow

1

Comparison

result

1

Comparison

result

1

Comparison

result

1

Comparison

result

1

Comparison

result

1

Comparison

result

1

Comparison

result

1

Comparison

result

1

Comparison

result

1

Calculation

result

1

Calculation

result

1

0

41

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