Intel 8XC196NT User Manual page 420

Mnemonic
CLR CLEAR WORD. Clears the value of the
operand.
←
(DEST)
Z
1
CLRB CLEAR BYTE. Clears the value of the
operand.
←
(DEST)
Z
1
CLRC CLEAR CARRY FLAG. Clears the carry flag.
←
C 0
Z
—
CLRVT CLEAR OVERFLOW-TRAP FLAG. Clears
the overflow-trap flag.
←
VT 0
Z
—
CMP COMPARE WORDS. Subtracts the source
word operand from the destination word
operand. The flags are altered, but the
operands remain unaffected. If a borrow
occurs, the carry flag is cleared; otherwise, it
is set.
(DEST) – (SRC)
Z
Table A-6. Instruction Set (Continued)
Operation
0
PSW Flag Settings
N C V VT ST
0 0 0 — —
0
PSW Flag Settings
N C V VT ST
0 0 0 — —
PSW Flag Settings
N C V VT ST
— 0 — — —
PSW Flag Settings
N C V VT ST
— — — 0 —
PSW Flag Settings
N C V VT ST
↑
—
INSTRUCTION SET REFERENCE
Instruction Format
DEST
CLR wreg
(00000001) (wreg)
DEST
CLRB breg
(00010001) (breg)
CLRC
(11111000)
CLRVT
(11111100)
DEST, SRC
CMP wreg, waop
(100010aa) (waop) (wreg)
A-11