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Routines |
| 29012 | PUSH BC | |
| 29013 | LD A,1 | The border will be blue |
| 29015 | LD C,7 | Initialise the sound effect duration counter |
| 29017 | XOR 16 | Produce the sound effect |
| 29019 | OUT (254),A | |
| 29021 | LD B,192 | |
| 29023 | DJNZ 29023 | |
| 29025 | DEC C | |
| 29026 | JR NZ,29017 | |
| 29028 | POP BC | |
| 29029 | RET |