#ifndef __SYSTEM_H__
#define __SYSTEM_H__

#include "types.h"
#include "screen.h"

#define WORD_ALIGNED_BYTE_POSITION(width, x, y) (((width * y + x) >> 3) & 0xfffe)
#define WORD_ALIGNED_BYTE_X(x) (((x) >> 3) & 0xfffe)

// this needs to be kept in sync with the XDEFs in system.s

// copperlist
extern void initializeCopperlist(void *copperlist);
extern uint16_t* endCopperlist(uint16_t *copperlist);
extern uint16_t* addDisplayToCopperlist(uint16_t *copperlist, struct ScreenSetup *);
extern uint16_t* addColorsToCopperlist(uint16_t *copperlist, color_t[], int count);

extern void takeOverSystem(void);
extern void giveBackSystem(void);
extern void setUpDisplay(uint32_t bitplaneCount);

extern void myWaitBlit(void);
extern uint16_t WaitBOF(uint16_t line);

#endif