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50275: Play Materialise Sound
Used by the routine at UpdatePlayerLegs.
Plays a tone with a pitch that depends on the player's materialise timer (MaterialiseTimer).
PlayMaterialiseSound 50275 LD A,(48130) Work out the pitch of the tone from the timer, so that it rises as the timer counts down, and set the length of the tone to 8.
50278 CPL
50279 LD B,A
50280 LD C,8
Plays a tone.
PlayTone 50282 CALL PlaySquareWave Play a cycle of the tone, and loop back until the whole tone has been played.
50285 DEC C
50286 JR NZ,PlayTone
50288 RET Return.
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