HD6433713 datasheet(47/324 Pages) RENESAS

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2.5.5 Bit Manipulations

Table 2-8 describes the bit-manipulation instructions. Figure 2-8 shows their object code formats.

Table 2-8 Bit-Manipulation Instructions

Instruction

Size*

Function

BSET

→ (<bit-No.> of <EAd>)

Sets a specified bit in a general register or memory 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 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. The bit number

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

BTST

~ (<bit-No.> of <EAd>)

→ Z

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

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

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

BAND

∧ (<bit-No.> of <EAd>) → C

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

and stores the result in the carry flag.

BIAND

∧ [~ (<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

∨ (<bit-No.> of <EAd>) → C

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

and stores the result in the carry flag.

BIOR

∨ [~ (<bit-No.> of <EAd>)] → C

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

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

Notes: * Size: Operand size

Byte

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