DI EI Interrupt enable
Enable/Disable interrupts
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|---|---|---|---|---|---|---|---|
| \(IFF \longleftarrow 0\) | |||||||
| DI | |||||||
| 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 |
| \(IFF \longleftarrow 1\) | |||||||
| EI | |||||||
| 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
Opcode Matrix
| EI | DI | |
|---|---|---|
| OP |
EI
FB14 |
DI
F314 |
|
Instruction
Opcode hexSize bytesCycle count
| Interrupt |
Last modified November 16, 2021: Misc instructions, merged accumulator & split into separate pages but compact in pdf (49e2ace)