Routines
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7415: Add Points To Score
Used by the routines at HandleMonster, NextLevel, CatchHitActor and RemoveFallenActor.
Adds points to the score of the active player, and then prints that score.
Before After 0250 points
add-points-before add-points-after
Input
BC Points to add to score (in BCD)
Check the active player.
AddPointsToScore 7415 LD A,($5F21) If Flag_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 Point HL at the last byte of the 1UP score.
741E JR AddPointsToScore_Start Jump to AddPointsToScore_Start.
Set the score address for 2UP.
AddPointsToScore_2UP 7420 LD HL,$5F13 Point HL at the last byte of the 2UP score.
Process adding the points to the appropriate score.
AddPointsToScore_Start 7423 LD A,(HL) Fetch the last byte of the score.
7424 ADD A,C Add the points in C (in BCD).
7425 DAA
7426 LD (HL),A Update the last byte of the score.
7427 DEC HL Move on to the middle byte of the score.
7428 LD A,(HL) Fetch the middle byte of the score.
7429 ADC A,B Add the points in B (in BCD), with the carry.
742A DAA
742B LD (HL),A Update the middle byte of the score.
742C DEC HL Move on to the first byte of the score.
742D LD A,(HL) Fetch the first byte of the score.
742E ADC A,$00 Add the carry (in BCD).
7430 DAA
7431 LD (HL),A Update the first byte of the score.
Check the active player.
7432 LD A,($5F21) If Flag_ActivePlayer is not zero, jump to Score_2UP.
7435 AND A
7436 JR NZ,Score_2UP
View the equivalent code in;
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