MC68HC705P6A Datasheet, PDF (99/130 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Central Processor Unit (CPU) Core
Registers
Z — Zero Bit
The zero bit is set when the result of the last arithmetic operation,
logical operation, data manipulation, or data load operation was zero.
C — Carry/Borrow Bit
The carry/borrow bit is set when a carry out of bit 7 of the accumulator
occurred during the last arithmetic operation, logical operation, or
data manipulation. The carry/borrow bit is also set or cleared during
bit test and branch instructions and during shifts and rotates. This bit
is not set by an INC or DEC instruction.
MC68HC705P6A — Rev. 2.0
MOTOROLA
Central Processor Unit (CPU) Core
Advance Information
99