µPD75216A
No. of Machine
Addressing
Area
Skip
Condition
Note 1
Mnemonic
Operands
Operation
Bytes
Cycle
RORC
NOT
A
1
2
1
1
2
2
1
2
2
2
1
2
2
2
1
1
1
1
1
CY←A0, A3←CY, An–1←An
A←A
A
2
INCS
reg
rp1
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
reg←reg+1
reg = 0
rp1←rp1+1
rp1 = 00H
(HL) = 0
(mem) = 0
reg = FH
rp = FFH
reg = n4
(HL) = n4
A = (HL)
XA = (HL)
A = reg
@HL
(HL)←(HL)+1
(mem)←(mem)+1
reg←reg–1
*1
*3
mem
reg
DECS
SKE
rp'
rp'←rp'–1
reg, #n4
@HL, #n4
A, @HL
XA, @HL
A, reg
XA.rp'
CY
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
*1
*1
*1
XA = rp'
SET1
CLR1
SKT
CY
1
CY←0
CY
1 + S
1
Skip if CY = 1
CY←CY
CY = 1
NOT1
CY
Note 1. Instruction Group
2. Accumulator manipulation
39
NEC [ NEC ]
