Sharp MZ-80B - 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