Rabbit 2000, Reference Manual

Page: 109 / 120

Instruction Reference Manual 105
Description
Subtracts from the data in the Accumulator the data in the register r (any of the registers A, B, C, D, E, H, or
L). The result is stored in the Accumulator.
SUB r
Opcode Instruction Clocks Operation
——
97
90
91
92
93
94
95
SUB r
SUB A
SUB B
SUB C
SUB D
SUB E
SUB H
SUB L
2
2
2
2
2
2
2
2
A = A - r
A = A - A
A = A - B
A = A - C
A = A - D
A = A - E
A = A - H
A = A - L
Flags ALTD I/O
S Z L/V C F R SP S D
• • V • • •