Return from Interrupt
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
|---|---|---|---|---|---|---|---|---|
| \(PC_l \longleftarrow (SP) \\ PC_h \longleftarrow (SP+1) \\ SP \longleftarrow SP+2\) | ||||||||
| RETI | ||||||||
| 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | ED |
| 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 4D |
| \(PC_l \longleftarrow (SP) \\ PC_h \longleftarrow (SP+1) \\ SP \longleftarrow SP+2 \\ IFF_1 \longleftarrow IFF_2\) | ||||||||
| RETN | ||||||||
| 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | ED |
| 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 45 |
Flags Affected
| None. |
Opcode Matrix
| RETI | RETN | |
|---|---|---|
| Op |
RETI
ED4D214 |
RETN
ED45214 |
|
Instruction
Opcode hexSize bytesCycle count
| Interrupt |
Last modified November 16, 2021: Add flags to jp, jr, djnz & call operations (ae1613e)