Zilog Z16F2810 - Manual (Page 167)

UM018809-0611 SBC Instruction
ZNEO
®
CPU Core
User Manual
151
Examples
Before: R3=16H, R11=20H, C=0
SBC R3, R11 ;Object code: 0007 A1B3
After: R3=FFFF_FFF6H, Flags C, S=1; Z, V, B=0
Before: R3=16H, R11=20H, C=1
SBC R3, R11 ;Object code: 0007 A1B3
After: R3=FFFF_FFF5H, Flags C, S=1; Z, V, B=0