Routines
Prev: 41372 Up: Map Next: 41427
41390: Print Scores
Used by the routine at DrawSidePanel.
Prints the score, as six digits, in the side panel.
Before After
print-scores-before print-scores-after
Score_1UP 41390 LD HL,49100 Write MainFont_Zero to FontPointer.
41393 LD (24065),HL
41396 LD HL,20680 HL=20680 (the Y position is 80 and the X position is 200).
This entry point is used by the routine at GameStats.
PrintScore 41399 CALL ScreenAddress Call ScreenAddress to get the screen address of the position.
41402 LD DE,24106 Point DE at the first byte of the score at Score_1.
41405 LD B,3 B=3 (the number of bytes).
This entry point is used by the routines at ClockTick and GameStats.
PrintScore_Loop 41407 LD A,(DE) Fetch the next byte of the score.
41408 RRCA Rotate right four times, which moves the high digit into the low nibble.
41409 RRCA
41410 RRCA
41411 RRCA
41412 AND %00001111 Keep only bits 0-3.
41414 CALL PrintScreen Call PrintScreen to print the digit.
This entry point is used by the routine at ClockTick.
PrintScore_LowDigit 41417 LD A,(DE) Fetch the byte of the score again.
41418 AND %00001111 Keep only bits 0-3.
41420 CALL PrintScreen Call PrintScreen to print the digit.
41423 INC DE Move on to the next byte of the score.
41424 DJNZ PrintScore_Loop Decrease the byte counter by one and loop back to PrintScore_Loop until all the bytes of the score have been printed.
41426 RET Return.
View the equivalent code in;
Prev: 41372 Up: Map Next: 41427