Sharp MZ-80B Owner's Manual page 103

96
Mnemonic
ADD HL.ss
ADC HL,ss
SBC
HL,ss
ADD IX,pp
ADD IY,rr
INC ss
INC IX
INC IY
DEC ss
DEC IX
DEC IY
Symbolic
Flags
OP-Code
Operation
c z
P/ V
s
N
H
76 543 210
HL ~ HL + ss
t
• • •
0 X 00 ss1 001
HL ~ HL + ss + CY
t
t
v t
0 X 11 101 101
01 ss1 010
HL ~ HL - ss - CY
t t v t
1 X 11 101 101
01 ssO 010
IX ~ IX + pp
t
• • •
0 X 11 011 101
00 ppl 001
IY ~IY + rr
t
• •
•
0 X 11 111 101
00 rr1 001
ss ~ ss + l
• • • • • •
00 ssO 011
I X ~IX + l
•
•
• • • •
11 011 101
00 100 011
IY ~IY + I
• •
•
• •
•
11 Ill 101
00 100 011
ss ~ ss - 1
• • • • • •
00 sst 011
IX ~IX - 1
• •
• • • •
11 011 101
00 101 011
IY ~IY - 1
• • • • • •
11 111 101
00 101 011
Notes: ss is any of the register pairs BC, DE, HL, SP
pp is any of the register pairs BC, DE, IX, SP
rr is any of the register pairs BC, DE, IY, SP.
:\o. No.
No.
of oDI
ofT
Comments
Bytes
Cycles States
1 3 11 ss
2
4
15 00
01
2 4 15
10
11
2 4
15
pp
00
01
10
11
2 4 15 rr
00
01
10
11
1 1 6
2 2 10
2 2 10
1 1 6
2 2 10
2 2 10
Flag Notation: • = flag not affected, 0 = flag reset, 1 = flag set, X= flag is unknown,
i
=
flag is affected according to the result of the operation.
16-BIT ARITHMETIC GROUP
TABLE 4.3-6
Reg.
BC
DE
HL
Sl'
Reg.
BC
DE
IX
SP
Reg.
BC
DE
IY
SP