INTD — opcode $FC¶
INTD — disable interrupts (INT-START) — also clears a pending interrupt (review M-6)
| Operands | Bytes | Microcode steps |
|---|---|---|
| — | 1 | 6 |
One column per microcode step. The control lines are read from the microcode image; the address bus, data bus and registers at the bottom are a model. How to read the diagrams · the instruction set