| Routines

774F: Check whether a character is on the top, middle or bottom floor

Used by the routines at 775B, 77F2, E225, FA4D and FBA0. Returns with the zero flag set if and only if the character is exactly on the top, middle or bottom floor.
Input
H | Character number (0xCE, 0xCF, 0xD2, 0xD6)
774F | LD L,$02 | Byte 0x02 of the character's buffer holds his y-coordinate
7751 | LD A,(HL) | Pick this up in A
7752 | CP $03 | Is the character on the top floor?
7754 | RET Z | Return with the zero flag set if so
7755 | CP $0A | Is the character on the middle floor?
7757 | RET Z | Return with the zero flag set if so
7758 | CP $11 | Is the character on the bottom floor?
775A | RET | Return with the zero flag set if so