H8S2245 datasheet(86/818 Pages) RENESAS

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Section 2 CPU

Rev.3.00 Mar. 26, 2007 Page 44 of 772

REJ09B0355-0300

Table 2.7

Bit-Manipulation Instructions

Instruction

Size*

Function

BSET

→ (<bit-No.> of <EAd>)

Sets a specified bit in a general register or memory operand to 1. The bit

number is specified by 3-bit immediate data or the lower three bits of a

general register.

BCLR

→ (<bit-No.> of <EAd>)

Clears a specified bit in a general register or memory operand to 0. The

bit number is specified by 3-bit immediate data or the lower three bits of

a general register.

BNOT

¬ (<bit-No.> of <EAd>)

→ (<bit-No.> of <EAd>)

Inverts a specified bit in a general register or memory operand. The bit

number is specified by 3-bit immediate data or the lower three bits of a

general register.

BTST

¬ (<bit-No.> of <EAd>)

→ Z

Tests a specified bit in a general register or memory operand and sets or

clears the Z flag accordingly. The bit number is specified by 3-bit

immediate data or the lower three bits of a general register.

BAND

BIAND

∧ (<bit-No.> of <EAd>) → C

ANDs the carry flag with a specified bit in a general register or memory

operand and stores the result in the carry flag.

∧ ¬ (<bit-No.> of <EAd>) → C

ANDs the carry flag with the inverse of a specified bit in a general

The bit number is specified by 3-bit immediate data.

BOR

BIOR

∨ (<bit-No.> of <EAd>) → C

ORs the carry flag with a specified bit in a general register or memory

operand and stores the result in the carry flag.

∨ [¬ (<bit-No.> of <EAd>)] → C

ORs the carry flag with the inverse of a specified bit in a general register

or memory operand and stores the result in the carry flag.

The bit number is specified by 3-bit immediate data.

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