Rabbit 2000 - Page 38

34 Rabbit 2000/3000 Microprocessor
Description
• INC IX increments the data in index register IX.
• INC IY increments the data in index register IY.
Description
Increments the data in the register r (any of the registers A, B, C, D, E, H, or L).
INC IX
INC IY
Opcode Instruction Clocks Operation
DD 23 INC IX 4 (2,2) IX = IX + 1
FD 23 INC IY 4 (2,2) IY = IY + 1
Flags ALTD I/O
S Z L/V C F R SP S D
- - - -
INC r
Opcode Instruction Clocks Operation
——
3C
04
0C
14
1C
24
2C
INC r
INC A
INC B
INC C
INC D
INC E
INC H
INC L
2
2
2
2
2
2
2
2
r = r +1
A=A+1
B=B+1
C=C+1
D=D+1
E=E+1
H=H+1
L=L+1
Flags ALTD I/O
S Z L/V C F R SP S D
• • V - • •