| Routines

6CD4: Prepare the doors, windows, cups and bike for new game

Used by the routine at F5BE. Opens the boys' skool door and the skool gate, closes all the other doors, closes the windows, empties the cups, and chains the bike to the tree.
6CD4 | LD HL,$E156 | Point HL at the first entry in the initialisation table at E156
6CD7 | LD E,(HL) | Pick up an entry from the initialisation table in DE, which will then point at a data table concerning a door, window, cup or bike
6CD8 | INC L
6CD9 | LD D,(HL)
6CDA | INC L | Move HL along to the next entry in the initialisation table and save the pointer for now
6CDB | PUSH HL
6CDC | EX DE,HL | Point HL at the door/window/cup/bike data table
6CDD | CALL $6C18 | Alter UDG references and attributes in the play area
6CE0 | POP HL | Restore the pointer to the initialisation table
6CE1 | LD A,L | Have we reached the end of the initialisation table?
6CE2 | CP $70
6CE4 | JR NZ,$6CD7 | Jump back if not
6CE6 | LD HL,$7FF4 | 7FF4 holds the door/window flags
6CE9 | LD (HL),$18 | Set bits 3 and 4: skool gate and boys' skool door open
6CEB | RET |