ADD HL,ss
HL + ss| 0 | 0 | s | s | 1 | 0 | 0 | 1 |
- BC
- 00
- DE
- 01
- HL
- 10
- SP
- 11
ADD HL,ss
| ss: | BC | DE | HL | SP |
|---|---|---|---|---|
| 09 | 19 | 29 | 39 |
C is set by carry from bit 15, reset otherwise.
H is set by a carry from bit 11.
ADD HL,HL
OBJECT CODE
ADD HL,ss |
Add HL and register pair ss. | |||||||||||
| Function: | HL
HL + ss |
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| Format: |
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| Description: | The contents of the specified register pair are added tot the contents of the HL register pair and the result is stored in HL. ss may be any of:
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| Data Flow: | |
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| Timing: | 3 M cycles; 11 T states: 5.5 usec @ 2 MHz |
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| Addressing Mode: | implicit |
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| Byte Codes: | ADD HL,ss
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| Flags: | C is set by carry from bit 15, reset otherwise. H is set by a carry from bit 11. |
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| Example: | ADD HL,HL |
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OBJECT CODE |
Before: |
After: |
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