UPD75216ACW

Manufacturer Part NumberUPD75216ACW
Description4-BIT SINGLE-CHIP MICROCOMPUTER
ManufacturerNEC
UPD75216ACW datasheet
 


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