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. |
NOP NOP |
10 | 2 | None |
NOP OR 0 |
13 | 2 | C and N flags cleared, P/V detects parity, and rest are modified by definition. |
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. |