Intel 8XC196NT User Manual page 414

Table A-3 shows the effect of the PSW flags or a specified register bit on conditional jump in-
structions. Table A-4 defines the symbols used in Table A-6 to show the effect of each instruction
on the PSW flags.
Table A-3. Effect of PSW Flags or Specified Bits on Conditional Jump Instructions
Instruction
DJNZ
DJNZW
JBC
JBS
JNC
JNH
JC
JH
JGE
JGT
JLT
JLE
JNST
JST
JNV
JV
JNVT
JVT
JNE
JE
.
Symbol
The instruction sets or clears the flag, as appropriate.
— The instruction does not modify the flag.
↓
The instruction may clear the flag, if it is appropriate, but cannot set it.
↑
The instruction may set the flag, if it is appropriate, but cannot clear it.
1 The instruction sets the flag.
0 The instruction clears the flag.
? The instruction leaves the flag in an indeterminate state.
Jumps to Destination if
decremented byte ≠ 0
decremented word ≠ 0
specified register bit = 0
specified register bit = 1
C = 0
C = 0 OR Z = 1
C = 1
C = 1 AND Z = 0
N = 0
N = 0 AND Z = 0
N = 1
N = 1 OR Z = 1
ST = 0
ST = 1
V = 0
V = 1
VT = 0
VT = 1 (clears VT)
Z = 0
Z = 1
Table A-4. PSW Flag Setting Symbols
INSTRUCTION SET REFERENCE
decremented byte = 0
decremented word = 0
specified register bit = 1
specified register bit = 0
C = 1
C = 1 AND Z = 0
C = 0
C = 0 OR Z = 1
N = 1
N = 1 OR Z = 1
N = 0
N = 0 AND Z = 0
ST = 1
ST = 0
V = 1
V = 0
VT = 1 (clears VT)
VT = 0
Z = 1
Z = 0
Description
Continues if
A-5