UPD70433GD-16-5BB NEC [NEC], UPD70433GD-16-5BB Datasheet - Page 111

• Manufacturer Part Number: UPD70433GD-16-5BB
• Description: V55PITM 16-BIT MICROPROCESSOR
• Manufacturer: NEC [NEC]

*
The 2nd operand can be omitted, in which case the same register as the 1st operand is taken as being specified.
Mnemonic
MULU
MUL
Operand(s)
(reg16',)*
(reg16',)*
mem16,
mem16,
mem16
mem16
imm16
imm16
mem8
mem8
reg16,
reg16,
reg16,
reg16,
reg16
reg16
imm8
imm8
reg8
reg8
7 6 5 4 3 2 1 0
1 1 1 1 0 1 1 0
1 1 1 1 0 1 1 0
1 1 1 1 0 1 1 1
1 1 1 1 0 1 1 1
1 1 1 1 0 1 1 0
1 1 1 1 0 1 1 0
1 1 1 1 0 1 1 1
1 1 1 1 0 1 1 1
0 1 1 0 1 0 1 1
0 1 1 0 1 0 1 1
0 1 1 0 1 0 0 1
0 1 1 0 1 0 0 1
Operation Code
mod 1 0 0 mem
mod 1 0 0 mem
mod 1 0 1 mem
mod 1 0 1 mem
7 6 5 4 3 2 1 0
1 1 1 0 0
1 1 1 0 0
1 1 1 0 1
1 1 1 0 1
1 1
1 1
mod reg
mod reg
reg
reg
mem
mem
reg'
reg'
reg
reg
reg
reg
Bytes
2 to 4
2 to 4
2 to 4
2 to 4
3 to 5
4 to 6
2
2
2
2
3
4
AW AL
AH = 0: CY 0, V 0
AH
AW AL
AH = 0: CY 0, V 0
AH
DW, AW AW
DW = 0: CY 0, V 0
DW
DW, AW AW
DW = 0: CY 0, V 0
DW
AW AL
AH = AL sign extension: CY 0, V 0
AH
AW AL
AH = AL sign extension: CY 0, V 0
AH
DW, AW AW
DW = AW sign extension: CY 0, V 0
DW
DW, AW AW
DW = AW sign extension: CY 0, V 0
DW
reg16 reg16'
Product > 16 bits: CY 1, V 1
reg16 (mem16)
Product
Product > 16 bits: CY 1, V 1
reg16 reg16'
Product > 16 bits: CY 1, V 1
reg16 (mem16)
Product
Product > 16 bits: CY 1, V 1
Product
Product
0: CY 1, V 1
0: CY 1, V 1
AL sign extension: CY 1, V 1
AL sign extension: CY 1, V 1
0: CY 1, V 1
0: CY 1, V 1
AW sign extension: CY 1, V 1
AW sign extension: CY 1, V 1
16 bits: CY 0, V 0
16 bits: CY 0, V 0
16 bits: CY 0, V 0
16 bits: CY 0, V 0
reg8
(mem8)
reg8
(mem8)
imm8
imm16
reg16
(mem16)
reg16
(mem16)
imm8
imm16
Operation
AC CY V
U
U
U
U
U
U
U
U
U
U
U
U
Flags
P
U U U
U U U
U U U
U U U
U U U
U U U
U U U
U U U
U U U
U U U
U U U
U U U
S
Z