Carry Flag Manipulation Instructions - NEC PD754144 User Manual

4-bit single-chip microcontrollers
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11.4.8 Carry flag manipulation instructions

SET1 CY
Function: CY
1
Sets the carry flag.
CLR1 CY
Function: CY
0
Clears the carry flag.
SKT CY
Function: Skip if CY = 1
Skips the next instruction if the carry flag is 1.
NOT1 CY
Function: CY
CY
Inverts the carry flag. Therefore, sets the carry flag to 1 if it is 0, and clears the flag to 0 if it is 1.
CHAPTER 11 INSTRUCTION SET
User's Manual U10676EJ3V0UM
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