Instruction Reference Manual
101
Description
•
OR IX,DE:
Performs a logical OR operation between the data in IX and the data in DE. The
result is stored in IX
•
OR IY,DE:
Performs a logical OR operation between the data in IY and the data in DE. The
result is stored in IY
The relative bits of each byte are compared (i.e., the bit 1 of both bytes are compared, the bit 2 of both bytes
are compared, etc.) and the associated bit in the result byte is set if either of the compared bits is set.
OR IX,DE
OR IY,DE
Opcode
Instruction
Clocks
Operation
DD EC
OR IX,DE
4 (2,2)
IX = IX | DE
FD EC
OR IY,DE
4 (2,2)
IY = IY | DE
Flags
ALTD
I/O
S
Z
L/V
C
F
R
SP
S
D
•
•
L
0
•
Summary of Contents for 2000
Page 2: ...ii Rabbit 2000 3000 Microprocessor...
Page 4: ...iv Rabbit 2000 Microprocessor...
Page 16: ...12 Rabbit 2000 3000 Microprocessor...
Page 164: ...160 Instruction Reference Manual...
