upd75112 Renesas Electronics Corporation., upd75112 Datasheet - Page 34

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upd75112

Manufacturer Part Number
upd75112
Description
4-bit Single Chip-microcomputer
Manufacturer
Renesas Electronics Corporation.
Datasheet

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34
Arithmetic
Accumulator
Operation
Increase/
Decrease
Compare
Instruction
PD75112, 75116
ADDS
ADDC
SUBS
SUBC
AND
OR
XOR
RORC
NOT
INCS
DECS
SKE
Mnemonic
A, #n4
XA, #n8
A, @HL
XA, rp'
rp'1, XA
A, @HL
XA, rp'
rp'1, XA
A, @HL
XA, rp'
rp'1, XA
A, @HL
XA, rp'
rp'1, XA
A, #n4
A, @HL
XA, rp'
rp'1, XA
A, #n4
A, @HL
XA, rp'
rp'1, XA
A, #n4
A, @HL
XA, rp'
rp'1, XA
A
A
reg
rp1
@HL
mem
reg
rp'
reg, #n4
@HL, #n4
A, @HL
Operand
No. of Bytes
1
2
1
2
2
1
2
2
1
2
2
1
2
2
2
1
2
2
2
1
2
2
2
1
2
2
1
2
1
1
2
2
1
2
2
2
1
Machine Cycle
1+S
2+S
1+S
2+S
2+S
1+S
2+S
2+S
1+S
1+S
2+S
2+S
1+S
2+S
2+S
2+S
1+S
1
2
2
1
2
2
2
1
2
2
2
1
2
2
2
1
2
2
1
2
A A+n4
XA XA+n8
A A (HL)
XA XA+rp'
rp'1 rp'1+XA
A, CY A+(HL)+CY
XA, CY XA+rp'+CY
rp'1, CY rp'1+XA+CY
A A (HL)
XA XA-rp'
rp'1 rp'1-XA
A, CY A-(HL)-CY
XA, CY XA-rp'-CY
rp'1, CY rp'1-XA-CY
A A n4
A A (HL)
XA XA rp'
rp'1 rp'1 XA
A A n4
A A (HL)
XA XA rp'
rp'1 rp'1 XA
A A n4
A A (HL)
XA XA rp'
rp'1 rp'1 XA
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)
0
, A
Operation
3
CY, A
n-1
An
Addressing Area
*1
*1
*1
*1
*1
*1
*1
*1
*3
*1
*1
Skip Condition
Carry
Carry
Carry
Carry
Carry
borrow
borrow
borrow
reg=0
rp1=00H
(HL)=0
(mem)=0
reg=FH
rp'=FFH
reg=n4
(HL)=n4
A=(HL)

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