HD6473887 Datasheet, PDF (56/523 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

2.5.6 Branching Instructions
Table 2-9 describes the branching instructions. Figure 2-8 shows their object code formats.
Table 2-9 Branching Instructions
Instruction
Bcc
Size
—
Function
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
C∨Z=0
BLS
Low or same
C∨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
N⊕V=0
BLT
Less than
N⊕V=1
BGT
Greater than
Z ⁄ (N ⊕ V) = 0
BLE
Less or equal
Z ⁄ (N ⊕ V) = 1
JMP
BSR
JSR
RTS
—
Branches unconditionally to a specified address
—
Branches to a subroutine at a specified address
—
Branches to a subroutine at a specified address
—
Returns from a subroutine
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