Flag manipulator and Processor control instructions :
| CLC : |
Clear carry flag |
| CMC : |
Complement carry flag |
| STC : |
Set carry flag |
| CLD : |
Clear direction flag |
| STD : |
Set direction flag |
| CLI : |
Clear interrupt flag |
| STI : |
Set Interrupt flag |
| WAIT : |
wait for test input pin to go low |
| HLT : |
Halt the processor |
| NOP : |
No operation |
| ESC : |
Escape to external device like NDP (numeric co-processor) |
| LOCK : |
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