| jetpac | Routines |
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Used by the routine at 6f86.
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| 67e7 | ld c,$08 | Pitch/duration | ||
| 67e9 | ld b,c | |||
| 67ea | djnz $67ea | |||
| 67ec | ld a,$10 | Play sound for desire duration | ||
| 67ee | out ($fe),a | |||
| 67f0 | ld b,c | |||
| 67f1 | djnz $67f1 | |||
| 67f3 | xor a | |||
| 67f4 | out ($fe),a | Turn speaker OFF | ||
| 67f6 | inc c | Increment pitch | ||
| 67f7 | ld a,c | |||
| 67f8 | cp $38 | |||
| 67fa | jr nz,$67e9 | Repeat until pitch is $38 | ||
| 67fc | ret | |||
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