| Routines

63774: Check whether a character should enter a building or knock first

Used by the routine at 60812. The character in question is standing at the entrance to a shop or other building, and his destination is somewhere inside. On entry, the zero flag is set if the entrance is open. Returns with A=3 (go up) if the entrance is open, or A=6 (knock or use a key) if it's closed.
Input
A | Location type indicator (see 60179)
H | Character number (215-230)
63774 | JR NZ,63781 | Jump unless the entrance is open
63776 | LD L,4 | Set the character's z-coordinate to 1 (he's indoors now)
63778 | LD (HL),1
63780 | RET | Return to the caller of 60812 with A=3 (go up)
63781 | LD A,6 | Return to the caller of 60812 with A=6 (knock on the door or use a key)
63783 | RET