8 carry flag manipulation instructions, Set1 cy, Clr1 cy – NEC PD754144 User Manual
Page 275: Skt cy, Not1 cy
CHAPTER 11 INSTRUCTION SET
275
User’s Manual U10676EJ3V0UM
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.
This manual is related to the following products: