Rabbit 2000, Instruction & Reference Manual

Page: 25 / 174

Instruction Reference Manual 21
Description
The data in IX is summed with the xx (any of BC, DE, IX, or SP). The result is stored in IX.
The data in IY is summed with the yy (any of BC, DE, IY, or SP). The result is stored in IY.
ADD IX,
xx
ADD IY,
yy
Opcode Instruction Clocks Operation
——
DD 09
DD 19
DD 29
DD 39
ADD IX,
xx
ADD IX,BC
ADD IX,DE
ADD IX,IX
ADD IX,SP
4 (2,2)
4 (2,2)
4 (2,2)
4 (2,2)
4 (2,2)
IX = IX +
xx
IX = IX + BC
IX = IX + DE
IX = IX + IX
IX = IX + SP
——
FD 09
FD 19
FD 29
FD 39
ADD IY,
yy
ADD IY,BC
ADD IY,DE
ADD IY,IY
ADD IY,SP
4 (2,2)
4 (2,2)
4 (2,2)
4 (2,2)
4 (2,2)
IY = IY +
yy
IY = IY + BC
IY = IY + DE
IY = IY + IY
IY = IY + SP
Flags ALTD I/O
S Z L/V C F R SP S D
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