Intel 8XC196MC User Manual page 426

Mnemonic
ST STORE WORD. Stores the value of the
source (leftmost) word operand into the
destination (rightmost) operand.
←
(DEST)
Z
—
STB STORE BYTE. Stores the value of the source
(leftmost) byte operand into the destination
(rightmost) operand.
←
(DEST)
Z
—
SUB SUBTRACT WORDS. Subtracts the source
(2 operands) word operand from the destination word
operand, stores the result in the destination
operand, and sets the carry flag as the
complement of borrow.
←
(DEST)
Z
SUB SUBTRACT WORDS. Subtracts the first
(3 operands) source word operand from the second, stores
the result in the destination operand, and sets
the carry flag as the complement of borrow.
←
(DEST)
Z
Table A-6. Instruction Set (Continued)
Operation
(SRC)
PSW Flag Settings
N C V VT ST
— — — — —
(SRC)
PSW Flag Settings
N C V VT ST
— — — — —
(DEST) – (SRC)
PSW Flag Settings
N C V VT ST
↑
—
(SRC1) – (SRC2)
PSW Flag Settings
N C V VT ST
↑
—
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INSTRUCTION SET REFERENCE
Instruction Format
SRC, DEST
ST wreg, waop
(110000aa) (waop) (wreg)
SRC, DEST
STB breg, baop
(110001aa) (baop) (breg)
DEST, SRC
SUB wreg, waop
(011010aa) (waop) (wreg)
DEST, SRC1, SRC2
SUB Dwreg, Swreg, waop
(010010aa) (waop) (Swreg) (Dwreg)
A-37