UPD75216ACW NEC, UPD75216ACW Datasheet - Page 39

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UPD75216ACW

Manufacturer Part Number
UPD75216ACW
Description
4-BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC
Datasheet
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Note
Note 1
Mnemonic
1. Instruction Group
2. Accumulator manipulation
RORC
NOT
INCS
DECS
SKE
SET1
CLR1
SKT
NOT1
A
A
reg
rp1
@HL
mem
reg
rp'
reg, #n4
@HL, #n4
A, @HL
XA, @HL
A, reg
XA.rp'
CY
CY
CY
CY
Operands
No. of
Bytes
1
2
1
1
2
2
1
2
2
2
1
2
2
2
1
1
1
1
Machine
1 + S
1 + S
2 + S
2 + S
1 + S
2 + S
2 + S
2 + S
1 + S
2 + S
2 + S
2 + S
1 + S
Cycle
1
2
1
1
1
CY A
A A
reg reg+1
rp1 rp1+1
(HL) (HL)+1
(mem) (mem)+1
reg reg–1
rp' rp'–1
Skip if reg = n4
Skip if (HL) = n4
Skip if A = (HL)
Skip if XA = (HL)
Skip if A = reg
Skip if XA = rp'
CY 1
CY 0
Skip if CY = 1
CY CY
0
, A
3
Operation
CY, A
n–1
A
n
Addressing
Area
*1
*1
*3
*1
*1
PD75216A
reg = 0
rp1 = 00H
(HL) = 0
(mem) = 0
reg = FH
rp = FFH
reg = n4
(HL) = n4
A = (HL)
XA = (HL)
A = reg
XA = rp'
CY = 1
Condition
Skip
39

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