Routines
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6811: Print Score
Used by the routines at AddToScore and Print_HighScore.
Prints the current score to the screen buffer. Each digit is stored as a value 00-09 and is converted to an ASCII character by adding 30.
Input
HL Screen buffer target location
IX Pointer to the current score
PrintScore 6811 LD B,$07 Set a digit counter in B of 07 digits.
PrintScore_Loop 6813 PUSH HL Stash the screen buffer pointer and digit counter on the stack.
6814 PUSH BC
6815 LD A,(IX+$00) Fetch the current score digit value and store it in A.
6818 ADD A,$30 Add 30 to convert it to an ASCII character.
681A CALL PrintCharacter Call PrintCharacter.
681D POP BC Restore the digit counter and screen buffer pointer from the stack.
681E POP HL
681F INC IX Advance to the next current score digit.
6821 DEC L Move one character to the left in the screen buffer.
6822 DJNZ PrintScore_Loop Decrease the digit counter by one and loop back to PrintScore_Loop until all 07 digits have been printed.
6824 RET Return.
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