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Routines |
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Used by the routine at LandSabreman.
Plays 48 tones, each with a pitch worked out from the counter, which gives a noisy sound.
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| PlayNoiseSound | 48943 | LD C,48 | Set the number of tones in C to 48. | |
| PlayNoiseSound_Loop | 48945 | LD A,C | Fetch the tone counter. | |
| 48946 | XOR %01010101 | Flip bits 0, 2, 4 and 6. | ||
| 48948 | ADD A,C | Add the tone counter. | ||
| 48949 | LD B,A | Store the result in B (the half-period). | ||
| 48950 | CALL PlaySquareWave | Play the tone. | ||
| 48953 | DEC C | Decrease the tone counter by one and loop back to PlayNoiseSound_Loop until all of the tones have been played. | ||
| 48954 | JR NZ,PlayNoiseSound_Loop | |||
| 48956 | RET | Return. | ||
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View the equivalent code in;
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