Routines
Prev: 73D3 Up: Map Next: 7438
7415: Add Points To Score
Used by the routines at 65E8, NextLevel and 6E25.
Input
BC Points to add to score
Check the active player.
AddPointsToScore 7415 LD A,($5F21) If ActivePlayer is not zero, jump to AddPointsToScore_2UP.
7418 AND A
7419 JR NZ,AddPointsToScore_2UP
Set the score address for 1UP.
741B LD HL,$5F10 HL=1UP_Score_3.
741E JR AddPointsToScore_Start Jump to AddPointsToScore_Start.
Set the score address for 2UP.
AddPointsToScore_2UP 7420 LD HL,$5F13 HL=2UP_Score_3.
Process adding the points to the appropriate score.
AddPointsToScore_Start 7423 LD A,(HL) A=score byte #3.
7424 ADD A,C Add C to score byte #3 with BCD conversion.
7425 DAA
7426 LD (HL),A Update score byte #3.
7427 DEC HL Move onto the next score byte.
7428 LD A,(HL) A=score byte #2.
7429 ADC A,B Add (with carry) B to score byte #2 with BCD conversion.
742A DAA
742B LD (HL),A Update score byte #2.
742C DEC HL Move onto the next score byte.
742D LD A,(HL) A=score byte #1.
742E ADC A,$00 Add 00 (i.e. just the carry flag) to score byte #1 with BCD conversion.
7430 DAA
7431 LD (HL),A Update score byte #1.
Check the active player.
7432 LD A,($5F21) If ActivePlayer is not zero, jump to Score_2UP.
7435 AND A
7436 JR NZ,Score_2UP
View the equivalent code in;
Prev: 73D3 Up: Map Next: 7438