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Routines |
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Used by the routine at Print_ScoreDigits.
Divide HL by DE, print the quotient digit through IX, and leave the remainder in HL. Uses Flag_ScoreLeadingZeroSuppress to suppress leading zeros.
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| Print_Digit | 60225 | AND A | Is A zero?. | |
| 60226 | LD B,255 | Load B with 255. | ||
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Count how many times DE fits into HL (digit quotient).
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| Print_Digit_DivideLoop | 60228 | INC B | Step the outer print loop counter on by one. | |
| 60229 | SBC HL,DE | Subtract DE from HL, including the previous success marker. | ||
| 60231 | JR NC,Print_Digit_DivideLoop | Jump to Print_Digit_DivideLoop if the result did not underflow. | ||
| 60233 | ADD HL,DE | HL+=DE. | ||
| 60234 | LD A,B | Copy the loop counter from B into A. | ||
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This entry point is used by the routine at Print_ScoreDigits.
Choose a digit glyph, a leading space, or a leading zero using Flag_ScoreLeadingZeroSuppress.
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| Print_Digit_SelectGlyph | 60235 | OR A | Is A zero? If not, jump to Print_DigitLoopB. | |
| 60236 | JR NZ,Print_DigitLoopB | |||
| 60238 | LD A,(60191) | Load A from Flag_ScoreLeadingZeroSuppress. | ||
| 60241 | OR A | Is A zero? If not, jump to Print_Digit_LeadingZero. | ||
| 60242 | JR NZ,Print_Digit_LeadingZero | |||
| 60244 | LD A,32 | Load A with 32. | ||
| 60246 | JR Print_DigitLoopB2 | Jump to Print_DigitLoopB2 to continue the loop. | ||
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Print a leading zero (0) while suppression is still armed.
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| Print_Digit_LeadingZero | 60248 | LD A,48 | Load A with 48. | |
| 60250 | JR Print_DigitLoopB2 | Jump to Print_DigitLoopB2 to continue the loop. | ||
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Convert a non-zero quotient to ASCII and clear the leading-zero suppress flag.
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| Print_DigitLoopB | 60252 | ADD A,48 | A+=48. | |
| 60254 | LD (60191),A | Set Flag_ScoreLeadingZeroSuppress. | ||
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Write the chosen character through IX and advance one column.
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| Print_DigitLoopB2 | 60257 | LD (IX+0),A | Write the character code through IX. | |
| 60260 | INC IX | Advance IX to the next character column. | ||
| 60262 | RET | Return. | ||
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