Contact Sam Cruise: Routine at F7BF

F7BF: Make a character open a door that has been knocked on

Used by the command lists at FD4E, FE23, FE58 and FE77. Opens the door that the character is standing behind, and then rewinds the command list such that the character returns to the spot where he was walking up and down before going to answer the door.

Input
H	Character number (0xD7-0xE5)

F7BF

PUSH HL

Save the character number briefly

F7C0

CALL $F32C

Open the door

F7C3

POP HL

Restore the character number to H

F7C4

LD L,$16

Byte 0x16 of the character's buffer holds the offset of the point reached in the command list

F7C6

LD A,(HL)

Subtract 0x0E from this offset; this has the effect of sending the character back to the spot where he was walking up and down before answering the door

F7C7

SUB $0E

F7C9

LD (HL),A

F7CA

JP $F280

Terminate this primary command