Carry Flag Operation Instructions - NEC PD75402A User Manual

4-bit single-chip microcomputer
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9.4.7

Carry Flag Operation 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
When the carry flag is 1, skips the next instruction.
NOT1 CY
Function: CY
CY
Inverts the carry flag. If the carry flag is 0, it becomes 1 and if it is 1, it becomes 0.
168
CHAPTER 9. INSTRUCTION SET

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