text: #pragma once
  
  #include <stdint.h>
  #include <stdbool.h>
  #include "pt2_header.h"
  #include "pt2_structs.h"
  
  typedef struct scope_t
  {
  	const int8_t *data;
  	bool active, emptyScopeDrawn;
  	uint8_t volume;
  	int32_t length, pos;
  
  	double dDelta, dPhase;
  	const int8_t *newData;
  	int32_t newLength;
  } scope_t;
  
  void resetCachedScopePeriod(void);
  
  void scopeSetPeriod(int32_t ch, int32_t period);
  void scopeTrigger(int32_t ch);
  
  int32_t getSampleReadPos(int32_t ch);
  void updateScopes(void);
  void drawScopes(void);
  bool initScopes(void);
  void stopScope(int32_t ch);
  void stopAllScopes(void);
  
  extern scope_t scope[AMIGA_VOICES]; // pt2_scopes.c
  