Instruction Set
4-102
JNA
Jump If Not Above
JNA
What It Does
If the previous instruction sets the Carry Flag (CF) or the Zero Flag (ZF), JBE and JNA stop
executing the current sequence of instructions and begin executing a new sequence of
instructions; otherwise, execution continues with the next instruction.
See JBE on page 4-84 for a complete description.
Form
Opcode
Description
Clocks
Am186 Am188
JNA
rel8
76
cb
Jump short if not above (CF=1 or ZF=1)
13,4
13,4
Summary of Contents for Am186 Series
Page 1: ...Am186 and Am188 Family Instruction Set Manual February 1997...
Page 10: ...Table of Contents x...
Page 18: ...Programming 1 8...
Page 40: ...Instruction Set Listing 3 14...