SBC

SBC R[x], R[y], R[z] - Substraction with Carry

Operating Mode

R[x] := R[y] - R[z] - C

PC := PC + 1

Description

Substracts R[z] and Carry from R[y] and writes result to Register R[x].

Status Register

Carry - Bit := 1 if R[y] - R[z] - Carry < 0

Zero - Bit := 1 if result = 0

Binary Command

Example

SBC R[3], R[6],R[4]