Skool Daze: Routine at 62714

62714: Open the lip of the speech bubble

Used by the routine at 29518. Removes the solid line above the lip of the speech bubble, thus 'opening' it.

Input
DE	Coordinates of the speech bubble lip

62714

LD A,E

UDG references 248-255 correspond to the 8 UDGs that make up the bottom half of the speech bubble; set E to the reference of the UDG that is above the lip

62715

AND 7

62717

ADD A,248

62719

LD E,A

62720

LD C,3

We need to adjust the UDGs for each third of the skool

62722

LD H,127

62724

LD B,8

8 UDGs make up the bottom half of the speech bubble

62726

LD A,H

Point HL at the bottom pixel row of the UDG for the bottom-left corner of the speech bubble

62727

ADD A,B

62728

LD H,A

62729

LD A,E

62730

LD L,248

62732

LD (HL),126

Open the bottom edge (129=10000001) of this speech bubble UDG if the lip is underneath, or close it (126=01111110) otherwise

62734

CP L

62735

JR NZ,62739

62737

LD (HL),129

62739

INC L

Move HL to the next UDG along the bottom of the speech bubble

62740

DJNZ 62732

Jump back until the lip is open and the others are closed

62742

DEC C

Next third of the skool

62743

JR NZ,62724

Jump back until the UDGs for each third of the skool have been modified

62745

JP 29394

Update the SRB for the middle 6 UDG columns of the bubble