ADC A,s |
Add accumulator and specified operand with carry. |
| Function: |
A
A + s + C |
| |
| Format: |
s: may be r, n, (HL), (IX + d), or (IY + d)
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r
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n
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byte 1: CE
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byte 2: immediate data
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(HL)
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8E
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(IX + d)
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byte 1: DD
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byte 2: 8E
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byte 3: offset data
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(IY + d)
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byte 1: FD
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byte 2: 8E
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byte 3: offset data
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r may be any one of:
- A
- 111
- B
- 000
- C
- 001
- D
- 010
- E
- 011
- H
- 100
- L
- 101
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| Description: |
The operand s and the carry flag C from the status register are added to the accumulator, and the result is stored in the accumulator, s is defined in the description of similar ADD instructions.
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| Data Flow: |
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| Timing: |
| s: |
M cycles: |
T states: |
usec
@ 2 MHz: |
r
n
(HL)
(IX + d)
(IY + d) |
1
2
2
5
5 |
4
7
7
19
19 |
2
3.5
3.5
9.5
9.5 |
|
| Addressing Mode: |
r: implicit; n: immediate; (HL): indirect; (IX + d), (IY+d): indexed.
|
| Byte Codes: |
ADC A,r |
r:
|
| Flags: |
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| Example: |
ADC A,1A |
OBJECT CODE |
Before: |
After: |
 |
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