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Unused |
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24699 | SET 7,E | Point DE at the attribute byte for the skool coordinates (X,Y) |
24701 | LD A,(DE) | Pick the attribute byte up in A |
24702 | RES 7,E | Restore the skool coordinates (X,Y) to DE |
24704 | EXX | |
24705 | LD (HL),A | Poke the attribute byte onto the screen |
24706 | LD A,C | |
24707 | ADD A,E | |
24708 | LD E,A | |
24709 | JR C,24715 | |
24711 | LD A,D | |
24712 | SUB 8 | |
24714 | LD D,A | |
24715 | ADD HL,BC | |
24716 | EXX | |
24717 | EX DE,HL | |
24718 | INC H | |
24719 | DEC C | One more row done |
24720 | POP DE | |
24721 | JR NZ,24683 | Jump back until all 21 rows are done |
24723 | RET | |
24724 | DEFS 7 |
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