Sharp MZ-80B Owner's Manual page 105

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 pp1 001
IY<-IY + rr
t
• • •
0 X 11 111 101
00 rr1 001
ss~ss + 1
• • •
•
• •
00 ssO 011
IX <-IX + 1
• • • • • •
11 011 101
00 100 011
IY <-IY+I
• • • • • •
11 111 101
00 100 011
ss~ss-1
• • •
•
• •
00 ss1 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.
No. No.
No.
of
of M 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,
t
=
flag is affected according to the result of the operation.
16-BIT ARITHMETIC GROUP
TABLE 4.3-6
Reg .
BC
DE
HL
SP
Reg.
BC
DE
IX
SP
Reg .
BC
DE
IY
SP