atodconv.h

/****************************************************************************/
/*                               Beebem                                     */
/*                               ------                                     */
/* This program may be distributed freely within the following restrictions:*/
/*                                                                          */
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/*    thats YOUR problem.                                                   */
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/* program.                                                                 */
/****************************************************************************/
/* Analogue to digital converter support file for the beeb emulator -
   Mike Wyatt 7/6/97 */

#ifndef ATODCONV_HEADER
#define ATODCONV_HEADER

extern int JoystickEnabled;
extern int JoystickX;  /* 16 bit number, 0 = right */
extern int JoystickY;  /* 16 bit number, 0 = down */

void AtoDWrite(int Address, int Value);
int AtoDRead(int Address);
void AtoDInit(void);
void AtoDReset(void);

extern int AtoDTrigger;  /* For next A to D conversion completion */

void AtoD_poll_real(void);
#define AtoD_poll(ncycles) if (AtoDTrigger<=TotalCycles) AtoD_poll_real();

#endif