Routines
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C2ED: Add To Score
Used by the routines at UpdateGhost, UpdateCreature, HitOutcome_Destroy, HitOutcome_Change, HitOutcome_Split, HitOutcome_Spore, BurstSporeAndShot and UpdateThrownItem.
Adds points to the score, which is held as BCD in the three bytes from Score, and then prints it.
The score is printed with two zeroes added to the end, so the points are in hundreds.
Input
BC The points to add, as BCD (in hundreds)
AddToScore C2ED LD HL,$BBCB Point at the last (lowest) byte of the score.
C2F0 LD A,(HL) Add the lowest two digits of the points to the lowest two digits of the score.
C2F1 ADD A,C
C2F2 DAA
C2F3 LD (HL),A
C2F4 DEC HL Move on to the middle byte of the score.
C2F5 LD A,(HL) Add the next two digits of the points to the next two digits of the score, with any carry.
C2F6 ADC A,B
C2F7 DAA
C2F8 LD (HL),A
C2F9 DEC HL Move on to the highest byte of the score.
C2FA LD A,(HL) Add any carry to the highest two digits of the score.
C2FB ADC A,$00
C2FD DAA
C2FE LD (HL),A
View the equivalent code in;
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