Comments (2)
From looking at my emulator code:
- the flags S, Z and P are preserved.
- C is set.
- and the undocumented X and Y flags (bit 3 and 5) are set like the bits 3 and 5 of the A register...
Also see: https://github.com/floooh/chips/blob/05cd84e43a1070a16c4edbcaa53a761561b629b8/chips/z80.h#L629-L631
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Thank-you!
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