Contact Sam Cruise: Routine at 62099

62099: Check whether the door that a character is standing next to is closed

Used by the routines at 30396, 62120, 62216, 62297 and 62339. Returns with the zero flag set if the door is closed, and with HL pointing at the door status flags.

Input
H	Character number (215-230)

62099

LD L,1

Point HL at byte 1 of the character's buffer

62101

LD A,(HL)

A=character's x-coordinate

62102

LD HL,65461

Find the first entry in the door location table at 65462 that is greater than the character's x-coordinate

62105

INC L

62106

CP (HL)

62107

JR NC,62105

62109

LD A,L

A=LSB of the entry (182-191)

62110

ADD A,58

Point HL at one of the 10 door status flag bytes at at 32752

62112

LD L,A

62113

LD H,127

62115

LD A,(HL)

Pick up the door status flags

62116

AND 7

Set the zero flag if the door is closed

62118

RET