NEC 78K/0 Series - Manual (Page 110)

110
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
User's Manual U12326EJ4V0UM
Branch if Zero
BZ
Conditional Branch with Zero Flag (Z = 1)
[Instruction format] BZ $addr16
[Operation] PC
← PC+2+jdisp8 if Z = 1
[Operand]
Mnemonic Operand($addr16)
BZ $addr16
[Flag]
Z AC CY
[Description]
• When Z = 1, data is branched to the address specified by the operand.
When Z = 0, no processing is carried out and the subsequent instruction is executed.
[Description example]
DEC B
BZ $3C5H; When the B register is 0, data is branched to 03C5H (with the start of this instruction set in the
range of addresses 0344H to 0443H).