Routines
Prev: 8906 Up: Map Next: 8988
897D: Get Room Value
Used by the routine at HandlerDracula.
Reads the second byte of the entry for a room in RoomAttributes, which is the shape of the frame of the room (see RoomShapeTable).
Input
A The room
Output
A The shape of the room
GetRoomValue 897D LD L,A Set L to the room.
897E LD H,$00 Clear the high byte of the room in H.
8980 LD DE,$A854 Point DE at the room attribute table at RoomAttributes.
8983 ADD HL,HL Double HL, as the entries are two bytes long.
8984 ADD HL,DE Find the entry for the room.
8985 INC HL Move HL on to the second byte of the entry.
8986 LD A,(HL) Fetch the second byte of the entry.
8987 RET Return.
Prev: 8906 Up: Map Next: 8988