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Routines |
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| AddToScore | 45210 | PUSH HL | Stash HL on the stack. | |||||
| 45211 | LD HL,(42948) | Load *Score into HL. | ||||||
| 45214 | ADD A,L | Add the points to the low byte. | ||||||
| 45215 | DAA | Decimal adjust for BCD (Binary Coded Decimal). | ||||||
| 45216 | LD L,A | Store the adjusted result. | ||||||
| 45217 | JR NC,SaveScore | Jump to SaveScore if there was no carry from the addition. | ||||||
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If there was carry, increment the high byte.
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| 45219 | INC H | Increment the high byte by one. | ||||||
| SaveScore | 45220 | LD (42948),HL | Write the updated score back to *Score. | |||||
| 45223 | POP HL | Restore HL from the stack. | ||||||
| 45224 | RET | Return. | ||||||
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