Skool Daze Routines
31739: Move character looking for ERIC one step in the right direction
Used by the routine at 63374. The address of this routine is also placed into bytes 105 and 106 of a character's buffer by the routine at 31768. Moves ERIC's chaser from the midstride position.
H Number of character looking for ERIC (161, 163-166)
31739 LD L,105 Replace the address of this routine in bytes 105 and 106 of the character's buffer (if present) with that of 31648
31741 LD (HL),160
31743 CALL 25108 Update SRB for the character's current location
31746 LD L,108 D=character's new y-coordinate (adjusted by the value in byte 108 of his buffer, placed there by the routine at 31768)
31748 LD B,A
31749 LD A,D
31750 ADD A,(HL)
31751 LD D,A
31752 DEC L E=character's new x-coordinate (adjusted by the value in byte 107 of his buffer, placed there by the routine at 31768)
31753 LD A,E
31754 ADD A,(HL)
31755 LD E,A
31756 LD A,(HL) A=x-coordinate increment (-1 or +1)
31757 ADD A,B Add this to the character's current animatory state
31758 AND 3 Set C to the new walking phase identifier (0 or 2)
31760 LD C,A
31761 LD A,B A=character's current animatory state
31762 AND 252 Clear the walking phase bits (bits 0-1)
31764 ADD A,C Set the walking phase to 0 or 2
31765 JP 25008 Update the character's animatory state and location and update SRB