Pyjamarama: Routine at 84F4

84F4: Calculate final game percentage score.

Used by the routine at Game_DisplayFinalScore.

Input
A	Holds the total score / percent on exit.

Output

Calculates the overall percentage score using how many rooms visited and which objects collected.

Game_CalculateScore

84F4

LD B,$20

Table holding which objects collected and percentage values of each object.

84F6

LD HL,Object_FoundTable

84F9

XOR A

Total percent.

Game_CalculateScore_0

84FA

DEC (HL)

See if objects has been picked up.

84FB

JR NZ,Game_CalculateScore_1

84FD

INC HL

If it has, then add value of object to total percentage.

84FE

ADD A,(HL)

84FF

DAA

Keep in decimal by using BCD.

8500

JR Game_CalculateScore_2

Game_CalculateScore_1

8502

INC HL

Skip object (if not marked as carried)

Game_CalculateScore_2

8503

INC HL

Next object in table.

8504

DJNZ Game_CalculateScore_0

8506

LD B,$1E

Number of rooms.

Game_CalculateScore_3

8508

ADD A,(HL)

1 percent for each room visited.

8509

DAA

Again keep decimal.

850A

INC HL

Next room flag.

850B

DJNZ Game_CalculateScore_3

850D

RET