#ifndef __COPPER_H__
#define __COPPER_H__

#include "../types.h"

/**
* Sets register to value over two Copper words.
* Side-effect: Advances ptr by 4.
*/
#define COPPERLIST_MOVE(ptr,register,value) \
  *(ptr++) = register; \
  *(ptr++) = value;

#define COPPERLIST_WAIT(ptr,x,y,mask) \
  *(ptr++) = 1 + (x << 1) + (y << 8); \
  *(ptr++) = mask;

/**
* Sets high/low registers to pointer value over four Copper words.
* Side-effect: Advances ptr by 8.
*/
#define COPPERLIST_MOVE_POINTER(ptr,register,pointerValue) \
  *(ptr++) = register; \
  *(ptr++) = (pointerValue >> 16); \
  *(ptr++) = register + 2; \
  *(ptr++) = (pointerValue & 0xffff);

uint16_t * prepareNewCopperlist(uint16_t size_b);
void setCopperlist(uint16_t *copperlist);
void freeCopperlist(uint16_t *copperlist);

#endif