LD SP, s
Set Stack Pointer from register
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
|---|---|---|---|---|---|---|---|---|
| \(SP \longleftarrow HL\) | ||||||||
| LD SP,HL | ||||||||
| 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | F9 |
| \(SP \longleftarrow IX\) | ||||||||
| LD SP, IX | ||||||||
| 1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | DD |
| 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | F9 |
| \(SP \longleftarrow IY\) | ||||||||
| LD SP, IY | ||||||||
| 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | FD |
| 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | F9 |
Flags Affected
| None. |
Opcode Matrix
| HL | IX | IY | |
|---|---|---|---|
| SP |
LD SP, HL
F916 |
LD SP, IX
DDF926 |
LD SP, IY
FDF926 |
|
Instruction
Opcode hexSize bytesCycle count
| Register |
Last modified November 16, 2021: Update flag rendering so it can be reused for the Z80 (06001ea)