NEC 78K/0 Series User Manual
Page 111
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
111
User's Manual U12326EJ4V0UM
Branch if Not Zero
BNZ
Conditional Branch with Zero Flag (Z = 0)
[Instruction format]
BNZ $addr16
[Operation]
PC
← PC+2+jdisp8 if Z = 0
[Operand]
Mnemonic
Operand($addr16)
BNZ
$addr16
[Flag]
Z
AC
CY
[Description]
•
When Z = 0, data is branched to the address specified by the operand.
When Z = 1, no processing is carried out and the subsequent instruction is executed.
[Description example]
CMP A, #55H
BNZ $0A39H;
If the A register is not 0055H, data is branched to 0A39H (with the start of this instruction set
in the range of addresses 09B8H to 0AB7H).