Z80 wait instructions
From MSX Game Library
| Inst. | Wait CC |
Size (bytes) |
Flag modification |
|---|---|---|---|
| NOP | 5 | 1 | None |
| OR 0 | 8 | 2 | C and N flags cleared, P/V detects parity, and rest are modified by definition. |
| AND 0 | 8 | 2 | C and N flags cleared, P/V is parity, rest are altered by definition. |
| BIT 0, A | 10 | 2 | Opposite of the bit #0 is written into the Z flag. C is preserved, N is reset, H is set, and S and P/V are undefined. |
| BIT 0, (HL) | 14 | 2 | Opposite of the bit #0 is written into the Z flag. C is preserved, N is reset, H is set, and S and P/V are undefined. |