NEC 78K/0 Series User 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).