BIT b,(HL)
| 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 |
| 0 | 1 | b | b | b | 1 | 1 | 0 |
- 0
- 000
- 1
- 001
- 2
- 010
- 3
- 011
- 4
- 100
- 5
- 101
- 6
- 110
- 7
- 111
OBJECT CODE
BIT b,(HL) |
Test bit b of indirectly addressed memory location (HL). | |||||||||
| Function: | Z
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| Format: |
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byte 1: CB |
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byte 2 |
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| Description: | The specified bit of the memory location addressed by the contents of the HL register pair is tested and the Z flag is set according to the result. b may be any one of:
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| Data Flow: | ||||||||||
| Timing: | 3 M cycles; 12 T states: 6 usec @ 2MHz |
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| Addressing Mode: | indirect |
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| Byte Codes: | ||||||||||
| Flags: | |
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| Example: | ||||||||||
OBJECT CODE |
Before: |
After: |
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