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#ifndef __POKEY__
#define __POKEY__
#include "atari.h"
#define _AUDF1 0x00
#define _AUDC1 0x01
#define _AUDF2 0x02
#define _AUDC2 0x03
#define _AUDF3 0x04
#define _AUDC3 0x05
#define _AUDF4 0x06
#define _AUDC4 0x07
#define _AUDCTL 0x08
#define _STIMER 0x09
#define _SKRES 0x0a
#define _POTGO 0x0b
#define _SEROUT 0x0d
#define _IRQEN 0x0e
#define _SKCTLS 0x0f
#define _POT0 0x00
#define _POT1 0x01
#define _POT2 0x02
#define _POT3 0x03
#define _POT4 0x04
#define _POT5 0x05
#define _POT6 0x06
#define _POT7 0x07
#define _ALLPOT 0x08
#define _KBCODE 0x09
#define _RANDOM 0x0a
#define _SERIN 0x0d
#define _IRQST 0x0e
#define _SKSTAT 0x0f
extern UBYTE KBCODE;
extern UBYTE IRQST;
extern UBYTE IRQEN;
extern int DELAYED_SERIN_IRQ;
extern int DELAYED_SEROUT_IRQ;
extern int DELAYED_XMTDONE_IRQ;
UBYTE POKEY_GetByte(UWORD addr);
int POKEY_PutByte(UWORD addr, UBYTE byte);
void POKEY_Initialise(int *argc, char *argv[]);
void POKEY_Scanline(void);
/* borrowed from Thomas' version */
/* channel definitions */
#define CHAN1 0
#define CHAN2 1
#define CHAN3 2
#define CHAN4 3
#define SAMPLE 4
extern UBYTE AUDF[4]; /* AUDFx (D200, D202, D204, D206) */
extern UBYTE AUDC[4]; /* AUDCx (D201, D203, D205, D207) */
extern UBYTE AUDCTL; /* AUDCTL (D208) */
extern ULONG DivNIRQ[4],DivNMax[4];
#define DIV_64 28 /* divisor for 1.79MHz clock to 64 kHz */
#define DIV_15 114 /* divisor for 1.79MHz clock to 15 kHz */
#define POLY9 0x80 /* selects POLY9 or POLY17 */
#define CH1_179 0x40 /* selects 1.78979 MHz for Ch 1 */
#define CH3_179 0x20 /* selects 1.78979 MHz for Ch 3 */
#define CH1_CH2 0x10 /* clocks channel 1 w/channel 2 */
#define CH3_CH4 0x08 /* clocks channel 3 w/channel 4 */
#define CH1_FILTER 0x04 /* selects channel 1 high pass filter */
#define CH2_FILTER 0x02 /* selects channel 2 high pass filter */
#define CLOCK_15 0x01 /* selects 15.6999kHz or 63.9210kHz */
#endif
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