Rabbit 2000 - Page 18

14 Rabbit 2000/3000 Microprocessor
Description
The 8-bit constant n is summed with the Carry Flag and with the data in the Accumulator. The sum is then
stored in the Accumulator.
Description
The data in the Accumulator is summed with the Carry Flag, CF, and with the data in register r (any of the
registersA,B,C,D,E,H,orL).TheresultisstoredintheAccumulator.
ADC A,n
Opcode Instruction Clocks Operation
CE n ADC A,n 4 (2,2) A=A+n +CF
Flags ALTD I/O
S Z L/V C F R SP S D
• • V • • •
ADC A,r
Opcode Instruction Clocks Operation
—— ADC A,r 2 A=A+r +CF
8F ADC A,A 2 A=A+A+CF
88 ADC A,B 2 A=A+B+CF
89 ADC A,C 2 A=A+C+CF
8A ADC A,D 2 A=A+D+CF
8B ADC A,E 2 A=A+E+CF
8C ADC A,H 2 A=A+H+CF
8D ADC A,L 2 A=A+L+CF
Flags ALTD I/O
S Z L/V C F R SP S D
• • V • • •