HD6433713 datasheet(51/324 Pages) RENESAS

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2.5.6 Branching Instructions

Table 2-9 describes the branching instructions.

Table 2-9 Branching Instructions

Instruction

Size

Function

Bcc

—

Branches to the designated address if condition cc is true. The branching

conditions are given below.

Mnemonic

Description

Condition

BRA (BT)

Always (true)

Always

BRN (BF)

Never (false)

Never

BHI

High

∨ Z = 0

BLS

Low or same

∨ Z = 1

BCC (BHS)

Carry clear (high or same)

C = 0

BCS (BLO)

Carry set (low)

C = 1

BNE

Not equal

Z = 0

BEQ

Equal

Z = 1

BVC

Overflow clear

V = 0

BVS

Overflow set

V = 1

BPL

Plus

N = 0

BMI

Minus

N = 1

BGE

Greater or equal

⊕ V = 0

BLT

Less than

⊕ V = 1

BGT

Greater than

∨ (N ⊕ V) = 0

BLE

Less or equal

∨ (N ⊕ V) = 1

JMP

—

Branches unconditionally to a specified address.

JSR

—

Branches to a subroutine at a specified address.

BSR

—

Branches to a subroutine at a specified displacement from the current

address.

RTS

—

Returns from a subroutine.

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