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Routines |
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| 56658 | LD HL,59233 | HL=59233. | ||
| 56661 | LD A,20 | A=20. | ||
| 56663 | SUB (HL) | A-=*HL. | ||
| 56664 | LD C,B | C=B. | ||
| 56665 | SLA C | Shift C left two positions (with carry). | ||
| 56667 | SLA C | |||
| 56669 | ADD A,C | A+=C. | ||
| 56670 | LD C,A | C=A. | ||
| 56671 | LD A,5 | A=5. | ||
| 56673 | LD B,C | B=C. | ||
| 56674 | SLA B | Shift B left (with carry). | ||
| 56676 | DJNZ 56676 | Decrease counter by one and loop back to 56676 until counter is zero. | ||
| 56678 | XOR %00010000 | Flip bits 4. | ||
| 56680 | OUT (254),A | Set border to the colour held by A. | ||
| 56682 | DEC C | Decrease C by one. | ||
| 56683 | JP NZ,56673 | Jump to 56673 if C is not zero. | ||
| 56686 | RET | Return. | ||
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