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Routines |
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| 670E | PUSH HL | Stash HL and BC on the stack. | ||
| 670F | PUSH BC | |||
| 6710 | LD HL,($65DB) | HL=*65DB. | ||
| 6713 | LD B,(HL) | B=*HL. | ||
| 6714 | INC HL | Increment HL by one. | ||
| 6715 | LD A,$38 | A=38. | ||
| 6717 | AND H | Merge the bits from H. | ||
| 6718 | LD H,A | H=A. | ||
| 6719 | LD A,B | A=B. | ||
| 671A | LD ($65DB),HL | Write HL to *65DB. | ||
| 671D | POP BC | Restore BC and HL from the stack. | ||
| 671E | POP HL | |||
| 671F | RET | Return. | ||
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