Routines
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B58F: Print Small Number
Used by the routine at HallOfFame.
Prints a number stored as three BCD bytes using the normal character set, which is used in the hall of fame.
Input
DE Address of the number
HL Screen address
Output
DE Address after the number
HL Screen address after the number
PrintSmallNumber B58F PUSH HL Save the screen address.
B590 LD HL,($5C36) Fetch the address of the character set.
B593 LD ($9618),HL Use it as the current character set.
B596 POP HL Restore the screen address.
PrintSmallNumber_Byte B597 LD A,(DE) Fetch a byte of the number.
B598 RRCA Move the tens digit down into the bottom four bits.
B599 RRCA
B59A RRCA
B59B RRCA
B59C AND $0F Keep only that digit.
B59E ADD A,$30 Convert it to the character code of the digit.
B5A0 CALL PrintScreen Print it using PrintScreen.
B5A3 LD A,(DE) Fetch the byte again.
B5A4 AND $0F Keep only the units digit.
B5A6 ADD A,$30 Convert it to the character code of the digit.
B5A8 CALL PrintScreen Print it.
B5AB INC DE Move on to the next byte of the number.
B5AC DJNZ PrintSmallNumber_Byte Loop back until all of the bytes have been printed.
B5AE RET Return.
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