/*###################################################################################################
**
**
**      ADSP2100.c
**      Core implementation for the portable Analog ADSP-2100 emulator.
**      Written by Aaron Giles
**
**
**#################################################################################################*/

#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include "cpuintrf.h"
#include "mamedbg.h"
#include "adsp2100.h"


/*###################################################################################################
**  CONSTANTS
**#################################################################################################*/

#define TRACK_HOTSPOTS		0

/* stack depths */
#define	PC_STACK_DEPTH		16
#define CNTR_STACK_DEPTH	4
#define STAT_STACK_DEPTH	4
#define LOOP_STACK_DEPTH	4

/* chip types */
#define CHIP_TYPE_ADSP2100	0
#define CHIP_TYPE_ADSP2101	1
#define CHIP_TYPE_ADSP2104	2
#define CHIP_TYPE_ADSP2105	3
#define CHIP_TYPE_ADSP2115	4
#define CHIP_TYPE_ADSP2181	5


/*###################################################################################################
**  STRUCTURES & TYPEDEFS
**#################################################################################################*/

/* 16-bit registers that can be loaded signed or unsigned */
typedef union
{
	UINT16	u;
	INT16	s;
} ADSPREG16;


/* the SHIFT result register is 32 bits */
typedef union
{
#ifdef LSB_FIRST
	struct { ADSPREG16 sr0, sr1; } srx;
#else
	struct { ADSPREG16 sr1, sr0; } srx;
#endif
	UINT32 sr;
} SHIFTRESULT;


/* the MAC result register is 40 bits */
typedef union
{
#ifdef LSB_FIRST
	struct { ADSPREG16 mr0, mr1, mr2, mrzero; } mrx;
	struct { UINT32 mr0, mr1; } mry;
#else
	struct { ADSPREG16 mrzero, mr2, mr1, mr0; } mrx;
	struct { UINT32 mr1, mr0; } mry;
#endif
	UINT64 mr;
} MACRESULT;

/* there are two banks of "core" registers */
typedef struct ADSPCORE
{
	/* ALU registers */
	ADSPREG16	ax0, ax1;
	ADSPREG16	ay0, ay1;
	ADSPREG16	ar;
	ADSPREG16	af;

	/* MAC registers */
	ADSPREG16	mx0, mx1;
	ADSPREG16	my0, my1;
	MACRESULT	mr;
	ADSPREG16	mf;

	/* SHIFT registers */
	ADSPREG16	si;
	ADSPREG16	se;
	ADSPREG16	sb;
	SHIFTRESULT	sr;

	/* dummy registers */
	ADSPREG16	zero;
} ADSPCORE;


/* ADSP-2100 Registers */
typedef struct
{
	/* Core registers, 2 banks */
	ADSPCORE	core;
	ADSPCORE	alt;

	/* Memory addressing registers */
	UINT32		i[8];
	INT32		m[8];
	UINT32		l[8];
	UINT32		lmask[8];
	UINT32		base[8];
	UINT8		px;

	/* other CPU registers */
	UINT32		pc;
	UINT32		ppc;
	UINT32		loop;
	UINT32		loop_condition;
	UINT32		cntr;

	/* status registers */
	UINT32		astat;
	UINT32		sstat;
	UINT32		mstat;
	UINT32		astat_clear;
	UINT32		idle;

	/* stacks */
	UINT32		loop_stack[LOOP_STACK_DEPTH];
	UINT32		cntr_stack[CNTR_STACK_DEPTH];
	UINT32		pc_stack[PC_STACK_DEPTH];
	UINT8		stat_stack[STAT_STACK_DEPTH][3];
	INT32		pc_sp;
	INT32		cntr_sp;
	INT32		stat_sp;
	INT32		loop_sp;

	/* external I/O */
	UINT8		flagout;
	UINT8		flagin;
	UINT8		fl0;
	UINT8		fl1;
	UINT8		fl2;
	UINT16		idma_addr;
	UINT16		idma_cache;
	UINT8		idma_offs;

	/* interrupt handling */
	UINT8		imask;
	UINT8		icntl;
	UINT16		ifc;
    UINT8    	irq_state[5];
    UINT8    	irq_latch[5];
    INT32		interrupt_cycles;
    int			(*irq_callback)(int irqline);

    /* other callbacks */
	RX_CALLBACK sport_rx_callback;
	TX_CALLBACK sport_tx_callback;
} adsp2100_Regs;



/*###################################################################################################
**  PUBLIC GLOBAL VARIABLES
**#################################################################################################*/

static int	adsp2100_icount;


/*###################################################################################################
**  PRIVATE GLOBAL VARIABLES
**#################################################################################################*/

static adsp2100_Regs adsp2100;

static int chip_type = CHIP_TYPE_ADSP2100;
static int mstat_mask;
static int imask_mask;

static UINT16 *reverse_table = 0;
static UINT16 *mask_table = 0;
static UINT8 *condition_table = 0;

#if TRACK_HOTSPOTS
static UINT32 pcbucket[0x4000];
#endif


/*###################################################################################################
**  PRIVATE FUNCTION PROTOTYPES
**#################################################################################################*/

static int create_tables(void);
static void check_irqs(void);


/*###################################################################################################
**  MEMORY ACCESSORS
**#################################################################################################*/

INLINE UINT32 RWORD_DATA(UINT32 addr)
{
	addr <<= 1;
	return ADSP2100_RDMEM_WORD(addr);
}

INLINE void WWORD_DATA(UINT32 addr, UINT32 data)
{
	addr <<= 1;
	ADSP2100_WRMEM_WORD(addr, data);
}

INLINE UINT32 RWORD_IO(UINT32 addr)
{
	addr <<= 1;
	return io_read_word_16le(addr);
}

INLINE void WWORD_IO(UINT32 addr, UINT32 data)
{
	addr <<= 1;
	io_write_word_16le(addr, data);
}

INLINE UINT32 RWORD_PGM(UINT32 addr)
{
	addr <<= 2;
	return cpu_readop32(addr);
}

INLINE void WWORD_PGM(UINT32 addr, UINT32 data)
{
	addr <<= 2;
	ADSP2100_WRPGM(cpu_opptr(addr), data);
}

#define ROPCODE() RWORD_PGM(adsp2100.pc)


/*###################################################################################################
**  OTHER INLINES
**#################################################################################################*/

#if (HAS_ADSP2100)
INLINE void set_core_2100(void)
{
	chip_type = CHIP_TYPE_ADSP2100;
	mstat_mask = 0x0f;
	imask_mask = 0x0f;
}
#endif

#if (HAS_ADSP2101)
INLINE void set_core_2101(void)
{
	chip_type = CHIP_TYPE_ADSP2101;
	mstat_mask = 0x7f;
	imask_mask = 0x3f;
}
#endif

#if (HAS_ADSP2104)
INLINE void set_core_2104(void)
{
	chip_type = CHIP_TYPE_ADSP2104;
	mstat_mask = 0x7f;
	imask_mask = 0x3f;
}
#endif

#if (HAS_ADSP2105)
INLINE void set_core_2105(void)
{
	chip_type = CHIP_TYPE_ADSP2105;
	mstat_mask = 0x7f;
	imask_mask = 0x3f;
}
#endif

#if (HAS_ADSP2115)
INLINE void set_core_2115(void)
{
	chip_type = CHIP_TYPE_ADSP2115;
	mstat_mask = 0x7f;
	imask_mask = 0x3f;
}
#endif

#if (HAS_ADSP2181)
INLINE void set_core_2181(void)
{
	chip_type = CHIP_TYPE_ADSP2181;
	mstat_mask = 0x7f;
	imask_mask = 0x3f;
}
#endif


/*###################################################################################################
**  IMPORT CORE UTILITIES
**#################################################################################################*/

#include "2100ops.c"



/*###################################################################################################
**  IRQ HANDLING
**#################################################################################################*/

INLINE int adsp2100_generate_irq(int which)
{
	/* skip if masked */
	if (!(adsp2100.imask & (1 << which)))
		return 0;

	/* clear the latch */
	adsp2100.irq_latch[which] = 0;

	/* push the PC and the status */
	pc_stack_push();
	stat_stack_push();

	/* vector to location & stop idling */
	adsp2100.pc = which;
	adsp2100.idle = 0;

	/* mask other interrupts based on the nesting bit */
	if (adsp2100.icntl & 0x10) adsp2100.imask &= ~((2 << which) - 1);
	else adsp2100.imask &= ~0xf;

	return 1;
}


INLINE int adsp2101_generate_irq(int which, int indx)
{
	/* skip if masked */
	if (!(adsp2100.imask & (0x20 >> indx)))
		return 0;

	/* clear the latch */
	adsp2100.irq_latch[which] = 0;

	/* push the PC and the status */
	pc_stack_push();
	stat_stack_push();

	/* vector to location & stop idling */
	adsp2100.pc = 0x04 + indx * 4;
	adsp2100.idle = 0;

	/* mask other interrupts based on the nesting bit */
	if (adsp2100.icntl & 0x10) adsp2100.imask &= ~(0x3f >> indx);
	else adsp2100.imask &= ~0x3f;

	return 1;
}


static void check_irqs(void)
{
	UINT8 check;

	if (chip_type >= CHIP_TYPE_ADSP2101)
	{
		/* check IRQ2 */
		check = (adsp2100.icntl & 4) ? adsp2100.irq_latch[ADSP2101_IRQ2] : adsp2100.irq_state[ADSP2101_IRQ2];
		if (check && adsp2101_generate_irq(ADSP2101_IRQ2, 0))
			return;

		/* check SPORT0 transmit */
		check = adsp2100.irq_latch[ADSP2101_SPORT0_TX];
		if (check && adsp2101_generate_irq(ADSP2101_SPORT0_TX, 1))
			return;

		/* check SPORT0 receive */
		check = adsp2100.irq_latch[ADSP2101_SPORT0_RX];
		if (check && adsp2101_generate_irq(ADSP2101_SPORT0_RX, 2))
			return;

		/* check IRQ1/SPORT1 transmit */
		check = (adsp2100.icntl & 2) ? adsp2100.irq_latch[ADSP2101_IRQ1] : adsp2100.irq_state[ADSP2101_IRQ1];
		if (check && adsp2101_generate_irq(ADSP2101_IRQ1, 3))
			return;

		/* check IRQ0/SPORT1 receive */
		check = (adsp2100.icntl & 1) ? adsp2100.irq_latch[ADSP2101_IRQ0] : adsp2100.irq_state[ADSP2101_IRQ0];
		if (check && adsp2101_generate_irq(ADSP2101_IRQ0, 4))
			return;
	}
	else
	{
		/* check IRQ3 */
		check = (adsp2100.icntl & 8) ? adsp2100.irq_latch[ADSP2100_IRQ3] : adsp2100.irq_state[ADSP2100_IRQ3];
		if (check && adsp2100_generate_irq(ADSP2100_IRQ3))
			return;

		/* check IRQ2 */
		check = (adsp2100.icntl & 4) ? adsp2100.irq_latch[ADSP2100_IRQ2] : adsp2100.irq_state[ADSP2100_IRQ2];
		if (check && adsp2100_generate_irq(ADSP2100_IRQ2))
			return;

		/* check IRQ1 */
		check = (adsp2100.icntl & 2) ? adsp2100.irq_latch[ADSP2100_IRQ1] : adsp2100.irq_state[ADSP2100_IRQ1];
		if (check && adsp2100_generate_irq(ADSP2100_IRQ1))
			return;

		/* check IRQ0 */
		check = (adsp2100.icntl & 1) ? adsp2100.irq_latch[ADSP2100_IRQ0] : adsp2100.irq_state[ADSP2100_IRQ0];
		if (check && adsp2100_generate_irq(ADSP2100_IRQ0))
			return;
	}
}


static void set_irq_line(int irqline, int state)
{
	/* update the latched state */
	if (state != CLEAR_LINE && adsp2100.irq_state[irqline] == CLEAR_LINE)
    	adsp2100.irq_latch[irqline] = 1;

    /* update the absolute state */
    adsp2100.irq_state[irqline] = state;

	/* check for IRQs */
    if (state != CLEAR_LINE)
    	check_irqs();
}



/*###################################################################################################
**  CONTEXT SWITCHING
**#################################################################################################*/

static void adsp2100_get_context(void *dst)
{
	/* copy the context */
	if (dst)
		*(adsp2100_Regs *)dst = adsp2100;
}


static void adsp2100_set_context(void *src)
{
	/* copy the context */
	if (src)
		adsp2100 = *(adsp2100_Regs *)src;

	/* reset the chip type */
	set_core_2100();

	/* check for IRQs */
	check_irqs();
}



/*###################################################################################################
**  INITIALIZATION AND SHUTDOWN
**#################################################################################################*/

static void adsp2100_init(void)
{
	/* create the tables */
	if (!create_tables())
		exit(-1);
}

static void adsp2100_reset(void *param)
{
	/* ensure that zero is zero */
	adsp2100.core.zero.u = adsp2100.alt.zero.u = 0;

	/* recompute the memory registers with their current values */
	wr_l0(adsp2100.l[0]);  wr_i0(adsp2100.i[0]);
	wr_l1(adsp2100.l[1]);  wr_i1(adsp2100.i[1]);
	wr_l2(adsp2100.l[2]);  wr_i2(adsp2100.i[2]);
	wr_l3(adsp2100.l[3]);  wr_i3(adsp2100.i[3]);
	wr_l4(adsp2100.l[4]);  wr_i4(adsp2100.i[4]);
	wr_l5(adsp2100.l[5]);  wr_i5(adsp2100.i[5]);
	wr_l6(adsp2100.l[6]);  wr_i6(adsp2100.i[6]);
	wr_l7(adsp2100.l[7]);  wr_i7(adsp2100.i[7]);

	/* reset PC and loops */
	switch (chip_type)
	{
		case CHIP_TYPE_ADSP2100:
			adsp2100.pc = 4;
			break;

		case CHIP_TYPE_ADSP2101:
		case CHIP_TYPE_ADSP2104:
		case CHIP_TYPE_ADSP2105:
		case CHIP_TYPE_ADSP2115:
		case CHIP_TYPE_ADSP2181:
			adsp2100.pc = 0;
			break;

		default:
			logerror( "ADSP2100 core: Unknown chip type!. Defaulting to ADSP2100.\n" );
			adsp2100.pc = 4;
			chip_type = CHIP_TYPE_ADSP2100;
			break;
	}

	adsp2100.ppc = -1;
	adsp2100.loop = 0xffff;
	adsp2100.loop_condition = 0;

	/* reset status registers */
	adsp2100.astat_clear = ~(CFLAG | VFLAG | NFLAG | ZFLAG);
	adsp2100.mstat = 0;
	adsp2100.sstat = 0x55;
	adsp2100.idle = 0;

	/* reset stacks */
	adsp2100.pc_sp = 0;
	adsp2100.cntr_sp = 0;
	adsp2100.stat_sp = 0;
	adsp2100.loop_sp = 0;

	/* reset external I/O */
	adsp2100.flagout = 0;
	adsp2100.flagin = 0;
	adsp2100.fl0 = 0;
	adsp2100.fl1 = 0;
	adsp2100.fl2 = 0;

	/* reset interrupts */
	adsp2100.imask = 0;
	adsp2100.irq_state[0] = CLEAR_LINE;
	adsp2100.irq_state[1] = CLEAR_LINE;
	adsp2100.irq_state[2] = CLEAR_LINE;
	adsp2100.irq_state[3] = CLEAR_LINE;
	adsp2100.irq_latch[0] = CLEAR_LINE;
	adsp2100.irq_latch[1] = CLEAR_LINE;
	adsp2100.irq_latch[2] = CLEAR_LINE;
	adsp2100.irq_latch[3] = CLEAR_LINE;
	adsp2100.interrupt_cycles = 0;
}


static int create_tables(void)
{
	int i;

	/* allocate the tables */
	if (!reverse_table)
		reverse_table = (UINT16 *)malloc(0x4000 * sizeof(UINT16));
	if (!mask_table)
		mask_table = (UINT16 *)malloc(0x4000 * sizeof(UINT16));
	if (!condition_table)
		condition_table = (UINT8 *)malloc(0x1000 * sizeof(UINT8));

	/* handle errors */
	if (!reverse_table || !mask_table || !condition_table)
		return 0;

	/* initialize the bit reversing table */
	for (i = 0; i < 0x4000; i++)
	{
		UINT16 data = 0;

		data |= (i >> 13) & 0x0001;
		data |= (i >> 11) & 0x0002;
		data |= (i >> 9)  & 0x0004;
		data |= (i >> 7)  & 0x0008;
		data |= (i >> 5)  & 0x0010;
		data |= (i >> 3)  & 0x0020;
		data |= (i >> 1)  & 0x0040;
		data |= (i << 1)  & 0x0080;
		data |= (i << 3)  & 0x0100;
		data |= (i << 5)  & 0x0200;
		data |= (i << 7)  & 0x0400;
		data |= (i << 9)  & 0x0800;
		data |= (i << 11) & 0x1000;
		data |= (i << 13) & 0x2000;

		reverse_table[i] = data;
	}

	/* initialize the mask table */
	for (i = 0; i < 0x4000; i++)
	{
		     if (i > 0x2000) mask_table[i] = 0x0000;
		else if (i > 0x1000) mask_table[i] = 0x2000;
		else if (i > 0x0800) mask_table[i] = 0x3000;
		else if (i > 0x0400) mask_table[i] = 0x3800;
		else if (i > 0x0200) mask_table[i] = 0x3c00;
		else if (i > 0x0100) mask_table[i] = 0x3e00;
		else if (i > 0x0080) mask_table[i] = 0x3f00;
		else if (i > 0x0040) mask_table[i] = 0x3f80;
		else if (i > 0x0020) mask_table[i] = 0x3fc0;
		else if (i > 0x0010) mask_table[i] = 0x3fe0;
		else if (i > 0x0008) mask_table[i] = 0x3ff0;
		else if (i > 0x0004) mask_table[i] = 0x3ff8;
		else if (i > 0x0002) mask_table[i] = 0x3ffc;
		else if (i > 0x0001) mask_table[i] = 0x3ffe;
		else                 mask_table[i] = 0x3fff;
	}

	/* initialize the condition table */
	for (i = 0; i < 0x100; i++)
	{
		int az = ((i & ZFLAG) != 0);
		int an = ((i & NFLAG) != 0);
		int av = ((i & VFLAG) != 0);
		int ac = ((i & CFLAG) != 0);
		int mv = ((i & MVFLAG) != 0);
		int as = ((i & SFLAG) != 0);

		condition_table[i | 0x000] = az;
		condition_table[i | 0x100] = !az;
		condition_table[i | 0x200] = !((an ^ av) | az);
		condition_table[i | 0x300] = (an ^ av) | az;
		condition_table[i | 0x400] = an ^ av;
		condition_table[i | 0x500] = !(an ^ av);
		condition_table[i | 0x600] = av;
		condition_table[i | 0x700] = !av;
		condition_table[i | 0x800] = ac;
		condition_table[i | 0x900] = !ac;
		condition_table[i | 0xa00] = as;
		condition_table[i | 0xb00] = !as;
		condition_table[i | 0xc00] = mv;
		condition_table[i | 0xd00] = !mv;
		condition_table[i | 0xf00] = 1;
	}
	return 1;
}


static void adsp2100_exit(void)
{
	if (reverse_table)
		free(reverse_table);
	reverse_table = NULL;

	if (mask_table)
		free(mask_table);
	mask_table = NULL;

	if (condition_table)
		free(condition_table);
	condition_table = NULL;

#if TRACK_HOTSPOTS
	{
		FILE *log = fopen("adsp.hot", "w");
		while (1)
		{
			int maxindex = 0, i;
			for (i = 1; i < 0x4000; i++)
				if (pcbucket[i] > pcbucket[maxindex])
					maxindex = i;
			if (pcbucket[maxindex] == 0)
				break;
			fprintf(log, "PC=%04X  (%10d hits)\n", maxindex, pcbucket[maxindex]);
			pcbucket[maxindex] = 0;
		}
		fclose(log);
	}
#endif

}



/*###################################################################################################
**  CORE EXECUTION LOOP
**#################################################################################################*/

/* execute instructions on this CPU until icount expires */
static int adsp2100_execute(int cycles)
{
	/* reset the core */
	set_mstat(adsp2100.mstat);

	/* count cycles and interrupt cycles */
	adsp2100_icount = cycles;
	adsp2100_icount -= adsp2100.interrupt_cycles;
	adsp2100.interrupt_cycles = 0;

	/* core execution loop */
	do
	{
		UINT32 op, temp;

		/* debugging */
		adsp2100.ppc = adsp2100.pc;	/* copy PC to previous PC */
		CALL_MAME_DEBUG;

#if TRACK_HOTSPOTS
		pcbucket[adsp2100.pc & 0x3fff]++;
#endif

		/* instruction fetch */
		op = ROPCODE();

		/* advance to the next instruction */
		if (adsp2100.pc != adsp2100.loop)
			adsp2100.pc++;

		/* handle looping */
		else
		{
			/* condition not met, keep looping */
			if (CONDITION(adsp2100.loop_condition))
				adsp2100.pc = pc_stack_top();

			/* condition met; pop the PC and loop stacks and fall through */
			else
			{
				loop_stack_pop();
				pc_stack_pop_val();
				adsp2100.pc++;
			}
		}

		/* parse the instruction */
		switch (op >> 16)
		{
			case 0x00:
				/* 00000000 00000000 00000000  NOP */
				break;
			case 0x01:
				/* 00000000 0xxxxxxx xxxxxxxx  dst = IO(x) */
				/* 00000000 1xxxxxxx xxxxxxxx  IO(x) = dst */
				/* ADSP-218x only */
				if (chip_type >= CHIP_TYPE_ADSP2181)
				{
					if ((op & 0x008000) == 0x000000)
						WRITE_REG(0, op & 15, RWORD_IO((op >> 4) & 0x7ff));
					else
						WWORD_IO((op >> 4) & 0x7ff, READ_REG(0, op & 15));
				}
				break;
			case 0x02:
				/* 00000010 0000xxxx xxxxxxxx  modify flag out */
				/* 00000010 10000000 00000000  idle */
				/* 00000010 10000000 0000xxxx  idle (n) */
				if (op & 0x008000)
				{
					adsp2100.idle = 1;
					adsp2100_icount = 0;
				}
				else
				{
					if (CONDITION(op & 15))
					{
						switch ((op >> 4) & 3)
						{
							case 1:	adsp2100.flagout = !adsp2100.flagout;
							case 2: adsp2100.flagout = 0;
							case 3: adsp2100.flagout = 1;
						}
						if (chip_type >= CHIP_TYPE_ADSP2101)
						{
							switch ((op >> 6) & 3)
							{
								case 1:	adsp2100.fl0 = !adsp2100.fl0;
								case 2: adsp2100.fl0 = 0;
								case 3: adsp2100.fl0 = 1;
							}
							switch ((op >> 8) & 3)
							{
								case 1:	adsp2100.fl1 = !adsp2100.fl1;
								case 2: adsp2100.fl1 = 0;
								case 3: adsp2100.fl1 = 1;
							}
							switch ((op >> 10) & 3)
							{
								case 1:	adsp2100.fl2 = !adsp2100.fl2;
								case 2: adsp2100.fl2 = 0;
								case 3: adsp2100.fl2 = 1;
							}
						}
					}
				}
				break;
			case 0x03:
				/* 00000011 xxxxxxxx xxxxxxxx  call or jump on flag in */
				if (op & 0x000002)
				{
					if (adsp2100.flagin)
					{
						if (op & 0x000001)
							pc_stack_push();
						adsp2100.pc = ((op >> 4) & 0x0fff) | ((op << 10) & 0x3000);
					}
				}
				else
				{
					if (!adsp2100.flagin)
					{
						if (op & 0x000001)
							pc_stack_push();
						adsp2100.pc = ((op >> 4) & 0x0fff) | ((op << 10) & 0x3000);
					}
				}
				break;
			case 0x04:
				/* 00000100 00000000 000xxxxx  stack control */
				if (op & 0x000010) pc_stack_pop_val();
				if (op & 0x000008) loop_stack_pop();
				if (op & 0x000004) cntr_stack_pop();
				if (op & 0x000002)
				{
					if (op & 0x000001) stat_stack_pop();
					else stat_stack_push();
				}
				break;
			case 0x05:
				/* 00000101 00000000 00000000  saturate MR */
				if (GET_MV)
				{
					if (adsp2100.core.mr.mrx.mr2.u & 0x80)
						adsp2100.core.mr.mrx.mr2.u = 0xffff, adsp2100.core.mr.mrx.mr1.u = 0x8000, adsp2100.core.mr.mrx.mr0.u = 0x0000;
					else
						adsp2100.core.mr.mrx.mr2.u = 0x0000, adsp2100.core.mr.mrx.mr1.u = 0x7fff, adsp2100.core.mr.mrx.mr0.u = 0xffff;
				}
				break;
			case 0x06:
				/* 00000110 000xxxxx 00000000  DIVS */
				{
					int xop = (op >> 8) & 7;
					int yop = (op >> 11) & 3;

					xop = ALU_GETXREG_UNSIGNED(xop);
					yop = ALU_GETYREG_UNSIGNED(yop);

					temp = xop ^ yop;
					adsp2100.astat = (adsp2100.astat & ~QFLAG) | ((temp >> 10) & QFLAG);
					adsp2100.core.af.u = (yop << 1) | (adsp2100.core.ay0.u >> 15);
					adsp2100.core.ay0.u = (adsp2100.core.ay0.u << 1) | (temp >> 15);
				}
				break;
			case 0x07:
				/* 00000111 00010xxx 00000000  DIVQ */
				{
					int xop = (op >> 8) & 7;
					int res;

					xop = ALU_GETXREG_UNSIGNED(xop);

					if (GET_Q)
						res = adsp2100.core.af.u + xop;
					else
						res = adsp2100.core.af.u - xop;

					temp = res ^ xop;
					adsp2100.astat = (adsp2100.astat & ~QFLAG) | ((temp >> 10) & QFLAG);
					adsp2100.core.af.u = (res << 1) | (adsp2100.core.ay0.u >> 15);
					adsp2100.core.ay0.u = (adsp2100.core.ay0.u << 1) | ((~temp >> 15) & 0x0001);
				}
				break;
			case 0x08:
				/* 00001000 00000000 0000xxxx  reserved */
				break;
			case 0x09:
				/* 00001001 00000000 000xxxxx  modify address register */
				temp = (op >> 2) & 4;
				modify_address(temp + ((op >> 2) & 3), temp + (op & 3));
				break;
			case 0x0a:
				/* 00001010 00000000 000xxxxx  conditional return */
				if (CONDITION(op & 15))
				{
					pc_stack_pop();

					/* RTI case */
					if (op & 0x000010)
						stat_stack_pop();
				}
				break;
			case 0x0b:
				/* 00001011 00000000 xxxxxxxx  conditional jump (indirect address) */
				if (CONDITION(op & 15))
				{
					if (op & 0x000010)
						pc_stack_push();
					adsp2100.pc = adsp2100.i[4 + ((op >> 6) & 3)] & 0x3fff;
				}
				break;
			case 0x0c:
				/* 00001100 xxxxxxxx xxxxxxxx  mode control */
				temp = adsp2100.mstat;
				if (chip_type >= CHIP_TYPE_ADSP2101)
				{
					if (op & 0x000008) temp = (temp & ~MSTAT_GOMODE) | ((op << 5) & MSTAT_GOMODE);
					if (op & 0x002000) temp = (temp & ~MSTAT_INTEGER) | ((op >> 8) & MSTAT_INTEGER);
					if (op & 0x008000) temp = (temp & ~MSTAT_TIMER) | ((op >> 9) & MSTAT_TIMER);
				}
				if (op & 0x000020) temp = (temp & ~MSTAT_BANK) | ((op >> 4) & MSTAT_BANK);
				if (op & 0x000080) temp = (temp & ~MSTAT_REVERSE) | ((op >> 5) & MSTAT_REVERSE);
				if (op & 0x000200) temp = (temp & ~MSTAT_STICKYV) | ((op >> 6) & MSTAT_STICKYV);
				if (op & 0x000800) temp = (temp & ~MSTAT_SATURATE) | ((op >> 7) & MSTAT_SATURATE);
				set_mstat(temp);
				break;
			case 0x0d:
				/* 00001101 0000xxxx xxxxxxxx  internal data move */
				WRITE_REG((op >> 10) & 3, (op >> 4) & 15, READ_REG((op >> 8) & 3, op & 15));
				break;
			case 0x0e:
				/* 00001110 0xxxxxxx xxxxxxxx  conditional shift */
				if (CONDITION(op & 15)) shift_op(op);
				break;
			case 0x0f:
				/* 00001111 0xxxxxxx xxxxxxxx  shift immediate */
				shift_op_imm(op);
				break;
			case 0x10:
				/* 00010000 0xxxxxxx xxxxxxxx  shift with internal data register move */
				shift_op(op);
				temp = READ_REG(0, op & 15);
				WRITE_REG(0, (op >> 4) & 15, temp);
				break;
			case 0x11:
				/* 00010001 xxxxxxxx xxxxxxxx  shift with pgm memory read/write */
				if (op & 0x8000)
				{
					pgm_write_dag2(op, READ_REG(0, (op >> 4) & 15));
					shift_op(op);
				}
				else
				{
					shift_op(op);
					WRITE_REG(0, (op >> 4) & 15, pgm_read_dag2(op));
				}
				break;
			case 0x12:
				/* 00010010 xxxxxxxx xxxxxxxx  shift with data memory read/write DAG1 */
				if (op & 0x8000)
				{
					data_write_dag1(op, READ_REG(0, (op >> 4) & 15));
					shift_op(op);
				}
				else
				{
					shift_op(op);
					WRITE_REG(0, (op >> 4) & 15, data_read_dag1(op));
				}
				break;
			case 0x13:
				/* 00010011 xxxxxxxx xxxxxxxx  shift with data memory read/write DAG2 */
				if (op & 0x8000)
				{
					data_write_dag2(op, READ_REG(0, (op >> 4) & 15));
					shift_op(op);
				}
				else
				{
					shift_op(op);
					WRITE_REG(0, (op >> 4) & 15, data_read_dag2(op));
				}
				break;
			case 0x14: case 0x15: case 0x16: case 0x17:
				/* 000101xx xxxxxxxx xxxxxxxx  do until */
				loop_stack_push(op & 0x3ffff);
				pc_stack_push();
				break;
			case 0x18: case 0x19: case 0x1a: case 0x1b:
				/* 000110xx xxxxxxxx xxxxxxxx  conditional jump (immediate addr) */
				if (CONDITION(op & 15)) adsp2100.pc = (op >> 4) & 0x3fff;
				/* check for a busy loop */
				if ( adsp2100.pc == adsp2100.ppc )
					adsp2100_icount = 0;
				break;
			case 0x1c: case 0x1d: case 0x1e: case 0x1f:
				/* 000111xx xxxxxxxx xxxxxxxx  conditional call (immediate addr) */
				if (CONDITION(op & 15))
				{
					pc_stack_push();
					adsp2100.pc = (op >> 4) & 0x3fff;
				}
				break;
			case 0x20: case 0x21:
				/* 0010000x xxxxxxxx xxxxxxxx  conditional MAC to MR */
				if (CONDITION(op & 15))
				{
					if (chip_type >= CHIP_TYPE_ADSP2181 && (op & 0x0018f0) == 0x000010)
						mac_op_mr_xop(op);
					else
						mac_op_mr(op);
				}
				break;
			case 0x22: case 0x23:
				/* 0010001x xxxxxxxx xxxxxxxx  conditional ALU to AR */
				if (CONDITION(op & 15))
				{
					if (chip_type >= CHIP_TYPE_ADSP2181 && (op & 0x000010) == 0x000010)
						alu_op_ar_const(op);
					else
						alu_op_ar(op);
				}
				break;
			case 0x24: case 0x25:
				/* 0010010x xxxxxxxx xxxxxxxx  conditional MAC to MF */
				if (CONDITION(op & 15))
				{
					if (chip_type >= CHIP_TYPE_ADSP2181 && (op & 0x0018f0) == 0x000010)
						mac_op_mf_xop(op);
					else
						mac_op_mf(op);
				}
				break;
			case 0x26: case 0x27:
				/* 0010011x xxxxxxxx xxxxxxxx  conditional ALU to AF */
				if (CONDITION(op & 15))
				{
					if (chip_type >= CHIP_TYPE_ADSP2181 && (op & 0x000010) == 0x000010)
						alu_op_af_const(op);
					else
						alu_op_af(op);
				}
				break;
			case 0x28: case 0x29:
				/* 0010100x xxxxxxxx xxxxxxxx  MAC to MR with internal data register move */
				temp = READ_REG(0, op & 15);
				mac_op_mr(op);
				WRITE_REG(0, (op >> 4) & 15, temp);
				break;
			case 0x2a: case 0x2b:
				/* 0010101x xxxxxxxx xxxxxxxx  ALU to AR with internal data register move */
				if (chip_type >= CHIP_TYPE_ADSP2181 && (op & 0x0000ff) == 0x0000aa)
					alu_op_none(op);
				else
				{
					temp = READ_REG(0, op & 15);
					alu_op_ar(op);
					WRITE_REG(0, (op >> 4) & 15, temp);
				}
				break;
			case 0x2c: case 0x2d:
				/* 0010110x xxxxxxxx xxxxxxxx  MAC to MF with internal data register move */
				temp = READ_REG(0, op & 15);
				mac_op_mf(op);
				WRITE_REG(0, (op >> 4) & 15, temp);
				break;
			case 0x2e: case 0x2f:
				/* 0010111x xxxxxxxx xxxxxxxx  ALU to AF with internal data register move */
				temp = READ_REG(0, op & 15);
				alu_op_af(op);
				WRITE_REG(0, (op >> 4) & 15, temp);
				break;
			case 0x30: case 0x31: case 0x32: case 0x33:
				/* 001100xx xxxxxxxx xxxxxxxx  load non-data register immediate (group 0) */
				WRITE_REG(0, op & 15, (INT32)(op << 14) >> 18);
				break;
			case 0x34: case 0x35: case 0x36: case 0x37:
				/* 001101xx xxxxxxxx xxxxxxxx  load non-data register immediate (group 1) */
				WRITE_REG(1, op & 15, (INT32)(op << 14) >> 18);
				break;
			case 0x38: case 0x39: case 0x3a: case 0x3b:
				/* 001110xx xxxxxxxx xxxxxxxx  load non-data register immediate (group 2) */
				WRITE_REG(2, op & 15, (INT32)(op << 14) >> 18);
				break;
			case 0x3c: case 0x3d: case 0x3e: case 0x3f:
				/* 001111xx xxxxxxxx xxxxxxxx  load non-data register immediate (group 3) */
				WRITE_REG(3, op & 15, (INT32)(op << 14) >> 18);
				break;
			case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47:
			case 0x48: case 0x49: case 0x4a: case 0x4b: case 0x4c: case 0x4d: case 0x4e: case 0x4f:
				/* 0100xxxx xxxxxxxx xxxxxxxx  load data register immediate */
				WRITE_REG(0, op & 15, (op >> 4) & 0xffff);
				break;
			case 0x50: case 0x51:
				/* 0101000x xxxxxxxx xxxxxxxx  MAC to MR with pgm memory read */
				mac_op_mr(op);
				WRITE_REG(0, (op >> 4) & 15, pgm_read_dag2(op));
				break;
			case 0x52: case 0x53:
				/* 0101001x xxxxxxxx xxxxxxxx  ALU to AR with pgm memory read */
				alu_op_ar(op);
				WRITE_REG(0, (op >> 4) & 15, pgm_read_dag2(op));
				break;
			case 0x54: case 0x55:
				/* 0101010x xxxxxxxx xxxxxxxx  MAC to MF with pgm memory read */
				mac_op_mf(op);
				WRITE_REG(0, (op >> 4) & 15, pgm_read_dag2(op));
				break;
			case 0x56: case 0x57:
				/* 0101011x xxxxxxxx xxxxxxxx  ALU to AF with pgm memory read */
				alu_op_af(op);
				WRITE_REG(0, (op >> 4) & 15, pgm_read_dag2(op));
				break;
			case 0x58: case 0x59:
				/* 0101100x xxxxxxxx xxxxxxxx  MAC to MR with pgm memory write */
				pgm_write_dag2(op, READ_REG(0, (op >> 4) & 15));
				mac_op_mr(op);
				break;
			case 0x5a: case 0x5b:
				/* 0101101x xxxxxxxx xxxxxxxx  ALU to AR with pgm memory write */
				pgm_write_dag2(op, READ_REG(0, (op >> 4) & 15));
				alu_op_ar(op);
				break;
			case 0x5c: case 0x5d:
				/* 0101110x xxxxxxxx xxxxxxxx  ALU to MR with pgm memory write */
				pgm_write_dag2(op, READ_REG(0, (op >> 4) & 15));
				mac_op_mf(op);
				break;
			case 0x5e: case 0x5f:
				/* 0101111x xxxxxxxx xxxxxxxx  ALU to MF with pgm memory write */
				pgm_write_dag2(op, READ_REG(0, (op >> 4) & 15));
				alu_op_af(op);
				break;
			case 0x60: case 0x61:
				/* 0110000x xxxxxxxx xxxxxxxx  MAC to MR with data memory read DAG1 */
				mac_op_mr(op);
				WRITE_REG(0, (op >> 4) & 15, data_read_dag1(op));
				break;
			case 0x62: case 0x63:
				/* 0110001x xxxxxxxx xxxxxxxx  ALU to AR with data memory read DAG1 */
				alu_op_ar(op);
				WRITE_REG(0, (op >> 4) & 15, data_read_dag1(op));
				break;
			case 0x64: case 0x65:
				/* 0110010x xxxxxxxx xxxxxxxx  MAC to MF with data memory read DAG1 */
				mac_op_mf(op);
				WRITE_REG(0, (op >> 4) & 15, data_read_dag1(op));
				break;
			case 0x66: case 0x67:
				/* 0110011x xxxxxxxx xxxxxxxx  ALU to AF with data memory read DAG1 */
				alu_op_af(op);
				WRITE_REG(0, (op >> 4) & 15, data_read_dag1(op));
				break;
			case 0x68: case 0x69:
				/* 0110100x xxxxxxxx xxxxxxxx  MAC to MR with data memory write DAG1 */
				data_write_dag1(op, READ_REG(0, (op >> 4) & 15));
				mac_op_mr(op);
				break;
			case 0x6a: case 0x6b:
				/* 0110101x xxxxxxxx xxxxxxxx  ALU to AR with data memory write DAG1 */
				data_write_dag1(op, READ_REG(0, (op >> 4) & 15));
				alu_op_ar(op);
				break;
			case 0x6c: case 0x6d:
				/* 0111110x xxxxxxxx xxxxxxxx  MAC to MF with data memory write DAG1 */
				data_write_dag1(op, READ_REG(0, (op >> 4) & 15));
				mac_op_mf(op);
				break;
			case 0x6e: case 0x6f:
				/* 0111111x xxxxxxxx xxxxxxxx  ALU to AF with data memory write DAG1 */
				data_write_dag1(op, READ_REG(0, (op >> 4) & 15));
				alu_op_af(op);
				break;
			case 0x70: case 0x71:
				/* 0111000x xxxxxxxx xxxxxxxx  MAC to MR with data memory read DAG2 */
				mac_op_mr(op);
				WRITE_REG(0, (op >> 4) & 15, data_read_dag2(op));
				break;
			case 0x72: case 0x73:
				/* 0111001x xxxxxxxx xxxxxxxx  ALU to AR with data memory read DAG2 */
				alu_op_ar(op);
				WRITE_REG(0, (op >> 4) & 15, data_read_dag2(op));
				break;
			case 0x74: case 0x75:
				/* 0111010x xxxxxxxx xxxxxxxx  MAC to MF with data memory read DAG2 */
				mac_op_mf(op);
				WRITE_REG(0, (op >> 4) & 15, data_read_dag2(op));
				break;
			case 0x76: case 0x77:
				/* 0111011x xxxxxxxx xxxxxxxx  ALU to AF with data memory read DAG2 */
				alu_op_af(op);
				WRITE_REG(0, (op >> 4) & 15, data_read_dag2(op));
				break;
			case 0x78: case 0x79:
				/* 0111100x xxxxxxxx xxxxxxxx  MAC to MR with data memory write DAG2 */
				data_write_dag2(op, READ_REG(0, (op >> 4) & 15));
				mac_op_mr(op);
				break;
			case 0x7a: case 0x7b:
				/* 0111101x xxxxxxxx xxxxxxxx  ALU to AR with data memory write DAG2 */
				data_write_dag2(op, READ_REG(0, (op >> 4) & 15));
				alu_op_ar(op);
				break;
			case 0x7c: case 0x7d:
				/* 0111110x xxxxxxxx xxxxxxxx  MAC to MF with data memory write DAG2 */
				data_write_dag2(op, READ_REG(0, (op >> 4) & 15));
				mac_op_mf(op);
				break;
			case 0x7e: case 0x7f:
				/* 0111111x xxxxxxxx xxxxxxxx  ALU to AF with data memory write DAG2 */
				data_write_dag2(op, READ_REG(0, (op >> 4) & 15));
				alu_op_af(op);
				break;
			case 0x80: case 0x81: case 0x82: case 0x83:
				/* 100000xx xxxxxxxx xxxxxxxx  read data memory (immediate addr) to reg group 0 */
				WRITE_REG(0, op & 15, RWORD_DATA((op >> 4) & 0x3fff));
				break;
			case 0x84: case 0x85: case 0x86: case 0x87:
				/* 100001xx xxxxxxxx xxxxxxxx  read data memory (immediate addr) to reg group 1 */
				WRITE_REG(1, op & 15, RWORD_DATA((op >> 4) & 0x3fff));
				break;
			case 0x88: case 0x89: case 0x8a: case 0x8b:
				/* 100010xx xxxxxxxx xxxxxxxx  read data memory (immediate addr) to reg group 2 */
				WRITE_REG(2, op & 15, RWORD_DATA((op >> 4) & 0x3fff));
				break;
			case 0x8c: case 0x8d: case 0x8e: case 0x8f:
				/* 100011xx xxxxxxxx xxxxxxxx  read data memory (immediate addr) to reg group 3 */
				WRITE_REG(3, op & 15, RWORD_DATA((op >> 4) & 0x3fff));
				break;
			case 0x90: case 0x91: case 0x92: case 0x93:
				/* 1001xxxx xxxxxxxx xxxxxxxx  write data memory (immediate addr) from reg group 0 */
				WWORD_DATA((op >> 4) & 0x3fff, READ_REG(0, op & 15));
				break;
			case 0x94: case 0x95: case 0x96: case 0x97:
				/* 1001xxxx xxxxxxxx xxxxxxxx  write data memory (immediate addr) from reg group 1 */
				WWORD_DATA((op >> 4) & 0x3fff, READ_REG(1, op & 15));
				break;
			case 0x98: case 0x99: case 0x9a: case 0x9b:
				/* 1001xxxx xxxxxxxx xxxxxxxx  write data memory (immediate addr) from reg group 2 */
				WWORD_DATA((op >> 4) & 0x3fff, READ_REG(2, op & 15));
				break;
			case 0x9c: case 0x9d: case 0x9e: case 0x9f:
				/* 1001xxxx xxxxxxxx xxxxxxxx  write data memory (immediate addr) from reg group 3 */
				WWORD_DATA((op >> 4) & 0x3fff, READ_REG(3, op & 15));
				break;
			case 0xa0: case 0xa1: case 0xa2: case 0xa3: case 0xa4: case 0xa5: case 0xa6: case 0xa7:
			case 0xa8: case 0xa9: case 0xaa: case 0xab: case 0xac: case 0xad: case 0xae: case 0xaf:
				/* 1010xxxx xxxxxxxx xxxxxxxx  data memory write (immediate) DAG1 */
				data_write_dag1(op, (op >> 4) & 0xffff);
				break;
			case 0xb0: case 0xb1: case 0xb2: case 0xb3: case 0xb4: case 0xb5: case 0xb6: case 0xb7:
			case 0xb8: case 0xb9: case 0xba: case 0xbb: case 0xbc: case 0xbd: case 0xbe: case 0xbf:
				/* 1011xxxx xxxxxxxx xxxxxxxx  data memory write (immediate) DAG2 */
				data_write_dag2(op, (op >> 4) & 0xffff);
				break;
			case 0xc0: case 0xc1:
				/* 1100000x xxxxxxxx xxxxxxxx  MAC to MR with data read to AX0 & pgm read to AY0 */
				mac_op_mr(op);
				adsp2100.core.ax0.u = data_read_dag1(op);
				adsp2100.core.ay0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xc2: case 0xc3:
				/* 1100001x xxxxxxxx xxxxxxxx  ALU to AR with data read to AX0 & pgm read to AY0 */
				alu_op_ar(op);
				adsp2100.core.ax0.u = data_read_dag1(op);
				adsp2100.core.ay0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xc4: case 0xc5:
				/* 1100010x xxxxxxxx xxxxxxxx  MAC to MR with data read to AX1 & pgm read to AY0 */
				mac_op_mr(op);
				adsp2100.core.ax1.u = data_read_dag1(op);
				adsp2100.core.ay0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xc6: case 0xc7:
				/* 1100011x xxxxxxxx xxxxxxxx  ALU to AR with data read to AX1 & pgm read to AY0 */
				alu_op_ar(op);
				adsp2100.core.ax1.u = data_read_dag1(op);
				adsp2100.core.ay0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xc8: case 0xc9:
				/* 1100100x xxxxxxxx xxxxxxxx  MAC to MR with data read to MX0 & pgm read to AY0 */
				mac_op_mr(op);
				adsp2100.core.mx0.u = data_read_dag1(op);
				adsp2100.core.ay0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xca: case 0xcb:
				/* 1100101x xxxxxxxx xxxxxxxx  ALU to AR with data read to MX0 & pgm read to AY0 */
				alu_op_ar(op);
				adsp2100.core.mx0.u = data_read_dag1(op);
				adsp2100.core.ay0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xcc: case 0xcd:
				/* 1100110x xxxxxxxx xxxxxxxx  MAC to MR with data read to MX1 & pgm read to AY0 */
				mac_op_mr(op);
				adsp2100.core.mx1.u = data_read_dag1(op);
				adsp2100.core.ay0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xce: case 0xcf:
				/* 1100111x xxxxxxxx xxxxxxxx  ALU to AR with data read to MX1 & pgm read to AY0 */
				alu_op_ar(op);
				adsp2100.core.mx1.u = data_read_dag1(op);
				adsp2100.core.ay0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xd0: case 0xd1:
				/* 1101000x xxxxxxxx xxxxxxxx  MAC to MR with data read to AX0 & pgm read to AY1 */
				mac_op_mr(op);
				adsp2100.core.ax0.u = data_read_dag1(op);
				adsp2100.core.ay1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xd2: case 0xd3:
				/* 1101001x xxxxxxxx xxxxxxxx  ALU to AR with data read to AX0 & pgm read to AY1 */
				alu_op_ar(op);
				adsp2100.core.ax0.u = data_read_dag1(op);
				adsp2100.core.ay1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xd4: case 0xd5:
				/* 1101010x xxxxxxxx xxxxxxxx  MAC to MR with data read to AX1 & pgm read to AY1 */
				mac_op_mr(op);
				adsp2100.core.ax1.u = data_read_dag1(op);
				adsp2100.core.ay1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xd6: case 0xd7:
				/* 1101011x xxxxxxxx xxxxxxxx  ALU to AR with data read to AX1 & pgm read to AY1 */
				alu_op_ar(op);
				adsp2100.core.ax1.u = data_read_dag1(op);
				adsp2100.core.ay1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xd8: case 0xd9:
				/* 1101100x xxxxxxxx xxxxxxxx  MAC to MR with data read to MX0 & pgm read to AY1 */
				mac_op_mr(op);
				adsp2100.core.mx0.u = data_read_dag1(op);
				adsp2100.core.ay1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xda: case 0xdb:
				/* 1101101x xxxxxxxx xxxxxxxx  ALU to AR with data read to MX0 & pgm read to AY1 */
				alu_op_ar(op);
				adsp2100.core.mx0.u = data_read_dag1(op);
				adsp2100.core.ay1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xdc: case 0xdd:
				/* 1101110x xxxxxxxx xxxxxxxx  MAC to MR with data read to MX1 & pgm read to AY1 */
				mac_op_mr(op);
				adsp2100.core.mx1.u = data_read_dag1(op);
				adsp2100.core.ay1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xde: case 0xdf:
				/* 1101111x xxxxxxxx xxxxxxxx  ALU to AR with data read to MX1 & pgm read to AY1 */
				alu_op_ar(op);
				adsp2100.core.mx1.u = data_read_dag1(op);
				adsp2100.core.ay1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xe0: case 0xe1:
				/* 1110000x xxxxxxxx xxxxxxxx  MAC to MR with data read to AX0 & pgm read to MY0 */
				mac_op_mr(op);
				adsp2100.core.ax0.u = data_read_dag1(op);
				adsp2100.core.my0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xe2: case 0xe3:
				/* 1110001x xxxxxxxx xxxxxxxx  ALU to AR with data read to AX0 & pgm read to MY0 */
				alu_op_ar(op);
				adsp2100.core.ax0.u = data_read_dag1(op);
				adsp2100.core.my0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xe4: case 0xe5:
				/* 1110010x xxxxxxxx xxxxxxxx  MAC to MR with data read to AX1 & pgm read to MY0 */
				mac_op_mr(op);
				adsp2100.core.ax1.u = data_read_dag1(op);
				adsp2100.core.my0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xe6: case 0xe7:
				/* 1110011x xxxxxxxx xxxxxxxx  ALU to AR with data read to AX1 & pgm read to MY0 */
				alu_op_ar(op);
				adsp2100.core.ax1.u = data_read_dag1(op);
				adsp2100.core.my0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xe8: case 0xe9:
				/* 1110100x xxxxxxxx xxxxxxxx  MAC to MR with data read to MX0 & pgm read to MY0 */
				mac_op_mr(op);
				adsp2100.core.mx0.u = data_read_dag1(op);
				adsp2100.core.my0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xea: case 0xeb:
				/* 1110101x xxxxxxxx xxxxxxxx  ALU to AR with data read to MX0 & pgm read to MY0 */
				alu_op_ar(op);
				adsp2100.core.mx0.u = data_read_dag1(op);
				adsp2100.core.my0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xec: case 0xed:
				/* 1110110x xxxxxxxx xxxxxxxx  MAC to MR with data read to MX1 & pgm read to MY0 */
				mac_op_mr(op);
				adsp2100.core.mx1.u = data_read_dag1(op);
				adsp2100.core.my0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xee: case 0xef:
				/* 1110111x xxxxxxxx xxxxxxxx  ALU to AR with data read to MX1 & pgm read to MY0 */
				alu_op_ar(op);
				adsp2100.core.mx1.u = data_read_dag1(op);
				adsp2100.core.my0.u = pgm_read_dag2(op >> 4);
				break;
			case 0xf0: case 0xf1:
				/* 1111000x xxxxxxxx xxxxxxxx  MAC to MR with data read to AX0 & pgm read to MY1 */
				mac_op_mr(op);
				adsp2100.core.ax0.u = data_read_dag1(op);
				adsp2100.core.my1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xf2: case 0xf3:
				/* 1111001x xxxxxxxx xxxxxxxx  ALU to AR with data read to AX0 & pgm read to MY1 */
				alu_op_ar(op);
				adsp2100.core.ax0.u = data_read_dag1(op);
				adsp2100.core.my1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xf4: case 0xf5:
				/* 1111010x xxxxxxxx xxxxxxxx  MAC to MR with data read to AX1 & pgm read to MY1 */
				mac_op_mr(op);
				adsp2100.core.ax1.u = data_read_dag1(op);
				adsp2100.core.my1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xf6: case 0xf7:
				/* 1111011x xxxxxxxx xxxxxxxx  ALU to AR with data read to AX1 & pgm read to MY1 */
				alu_op_ar(op);
				adsp2100.core.ax1.u = data_read_dag1(op);
				adsp2100.core.my1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xf8: case 0xf9:
				/* 1111100x xxxxxxxx xxxxxxxx  MAC to MR with data read to MX0 & pgm read to MY1 */
				mac_op_mr(op);
				adsp2100.core.mx0.u = data_read_dag1(op);
				adsp2100.core.my1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xfa: case 0xfb:
				/* 1111101x xxxxxxxx xxxxxxxx  ALU to AR with data read to MX0 & pgm read to MY1 */
				alu_op_ar(op);
				adsp2100.core.mx0.u = data_read_dag1(op);
				adsp2100.core.my1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xfc: case 0xfd:
				/* 1111110x xxxxxxxx xxxxxxxx  MAC to MR with data read to MX1 & pgm read to MY1 */
				mac_op_mr(op);
				adsp2100.core.mx1.u = data_read_dag1(op);
				adsp2100.core.my1.u = pgm_read_dag2(op >> 4);
				break;
			case 0xfe: case 0xff:
				/* 1111111x xxxxxxxx xxxxxxxx  ALU to AR with data read to MX1 & pgm read to MY1 */
				alu_op_ar(op);
				adsp2100.core.mx1.u = data_read_dag1(op);
				adsp2100.core.my1.u = pgm_read_dag2(op >> 4);
				break;
		}

		adsp2100_icount--;

	} while (adsp2100_icount > 0);

	adsp2100_icount -= adsp2100.interrupt_cycles;
	adsp2100.interrupt_cycles = 0;

	return cycles - adsp2100_icount;
}



/*###################################################################################################
**  DEBUGGER DEFINITIONS
**#################################################################################################*/

static UINT8 adsp21xx_reg_layout[] =
{
	ADSP2100_PC,		ADSP2100_AX0,	ADSP2100_MX0,	-1,
	ADSP2100_CNTR, 		ADSP2100_AX1,	ADSP2100_MX1,	-1,
	ADSP2100_MSTAT, 	ADSP2100_AY0,	ADSP2100_MY0,	-1,
	ADSP2100_SSTAT, 	ADSP2100_AY1,	ADSP2100_MY1,	-1,
	ADSP2100_PX, 		ADSP2100_AR,	ADSP2100_MR0,	-1,
	ADSP2100_PCSP, 		ADSP2100_AF,	ADSP2100_MR1,	-1,
	ADSP2100_CNTRSP, 	ADSP2100_SI,	ADSP2100_MR2,	-1,
	ADSP2100_STATSP, 	ADSP2100_SE,	ADSP2100_MF,	-1,
	ADSP2100_LOOPSP, 	ADSP2100_SB,	100,			-1,
	ADSP2100_IMASK,		ADSP2100_SR0,	100,			-1,
	ADSP2100_ICNTL,		ADSP2100_SR1,	100,			-1,
	ADSP2100_I0,		ADSP2100_L0,	ADSP2100_M0,	-1,
	ADSP2100_I1,		ADSP2100_L1,	ADSP2100_M1,	-1,
	ADSP2100_I2,		ADSP2100_L2,	ADSP2100_M2,	-1,
	ADSP2100_I3,		ADSP2100_L3,	ADSP2100_M3,	-1,
	ADSP2100_I4,		ADSP2100_L4,	ADSP2100_M4,	-1,
	ADSP2100_I5,		ADSP2100_L5,	ADSP2100_M5,	-1,
	ADSP2100_I6,		ADSP2100_L6,	ADSP2100_M6,	-1,
	ADSP2100_I7,		ADSP2100_L7,	ADSP2100_M7,	0
};

static UINT8 adsp21xx_win_layout[] =
{
	 0, 0,30,20,	/* register window (top rows) */
	31, 0,48,14,	/* disassembler window (left colums) */
	 0,21,30, 1,	/* memory #1 window (right, upper middle) */
	31,15,48, 7,	/* memory #2 window (right, lower middle) */
	 0,23,80, 1,	/* command line window (bottom rows) */
};


static offs_t adsp2100_dasm(char *buffer, offs_t pc)
{
#ifdef MAME_DEBUG
	extern unsigned dasm2100(char *, unsigned);
    return dasm2100(buffer, pc);
#else
	sprintf(buffer, "$%06X", RWORD_PGM(pc));
	return 1;
#endif
}


/**************************************************************************
 * Generic set_info
 **************************************************************************/

static void adsp21xx_set_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are set as 64-bit signed integers --- */
		case CPUINFO_INT_PC:
		case CPUINFO_INT_REGISTER + ADSP2100_PC:		adsp2100.pc = info->i;					break;

		case CPUINFO_INT_REGISTER + ADSP2100_AX0:		wr_ax0(info->i);						break;
		case CPUINFO_INT_REGISTER + ADSP2100_AX1:		wr_ax1(info->i);						break;
		case CPUINFO_INT_REGISTER + ADSP2100_AY0:		wr_ay0(info->i);						break;
		case CPUINFO_INT_REGISTER + ADSP2100_AY1:		wr_ay1(info->i);						break;
		case CPUINFO_INT_REGISTER + ADSP2100_AR:		wr_ar(info->i);							break;
		case CPUINFO_INT_REGISTER + ADSP2100_AF:		adsp2100.core.af.u = info->i;			break;

		case CPUINFO_INT_REGISTER + ADSP2100_MX0:		wr_mx0(info->i);						break;
		case CPUINFO_INT_REGISTER + ADSP2100_MX1:		wr_mx1(info->i);						break;
		case CPUINFO_INT_REGISTER + ADSP2100_MY0:		wr_my0(info->i);						break;
		case CPUINFO_INT_REGISTER + ADSP2100_MY1:		wr_my1(info->i);						break;
		case CPUINFO_INT_REGISTER + ADSP2100_MR0:		wr_mr0(info->i);						break;
		case CPUINFO_INT_REGISTER + ADSP2100_MR1:		wr_mr1(info->i);						break;
		case CPUINFO_INT_REGISTER + ADSP2100_MR2:		wr_mr2(info->i);						break;
		case CPUINFO_INT_REGISTER + ADSP2100_MF:		adsp2100.core.mf.u = info->i;			break;

		case CPUINFO_INT_REGISTER + ADSP2100_SI:		wr_si(info->i);							break;
		case CPUINFO_INT_REGISTER + ADSP2100_SE:		wr_se(info->i);							break;
		case CPUINFO_INT_REGISTER + ADSP2100_SB:		wr_sb(info->i);							break;
		case CPUINFO_INT_REGISTER + ADSP2100_SR0:		wr_sr0(info->i);						break;
		case CPUINFO_INT_REGISTER + ADSP2100_SR1:		wr_sr1(info->i);						break;

		case CPUINFO_INT_REGISTER + ADSP2100_AX0_SEC:	adsp2100.alt.ax0.s = info->i;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AX1_SEC:	adsp2100.alt.ax1.s = info->i;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AY0_SEC:	adsp2100.alt.ay0.s = info->i;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AY1_SEC:	adsp2100.alt.ay1.s = info->i;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AR_SEC:	adsp2100.alt.ar.s = info->i;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AF_SEC:	adsp2100.alt.af.u = info->i;			break;

		case CPUINFO_INT_REGISTER + ADSP2100_MX0_SEC:	adsp2100.alt.mx0.s = info->i;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_MX1_SEC:	adsp2100.alt.mx1.s = info->i;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_MY0_SEC:	adsp2100.alt.my0.s = info->i;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_MY1_SEC:	adsp2100.alt.my1.s = info->i;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_MR0_SEC:	adsp2100.alt.mr.mrx.mr0.s = info->i;	break;
		case CPUINFO_INT_REGISTER + ADSP2100_MR1_SEC:	adsp2100.alt.mr.mrx.mr1.s = info->i; adsp2100.alt.mr.mrx.mr2.s = (INT16)info->i >> 15; break;
		case CPUINFO_INT_REGISTER + ADSP2100_MR2_SEC:	adsp2100.alt.mr.mrx.mr2.s = (INT8)info->i; break;
		case CPUINFO_INT_REGISTER + ADSP2100_MF_SEC:	adsp2100.alt.mf.u = info->i;			break;

		case CPUINFO_INT_REGISTER + ADSP2100_SI_SEC:	adsp2100.alt.si.s = info->i;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_SE_SEC:	adsp2100.alt.se.s = (INT8)info->i;		break;
		case CPUINFO_INT_REGISTER + ADSP2100_SB_SEC:	adsp2100.alt.sb.s = (INT32)(info->i << 27) >> 27; break;
		case CPUINFO_INT_REGISTER + ADSP2100_SR0_SEC:	adsp2100.alt.sr.srx.sr0.s = info->i;	break;
		case CPUINFO_INT_REGISTER + ADSP2100_SR1_SEC:	adsp2100.alt.sr.srx.sr1.s = info->i;	break;

		case CPUINFO_INT_REGISTER + ADSP2100_I0:		wr_i0(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_I1:		wr_i1(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_I2:		wr_i2(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_I3:		wr_i3(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_I4:		wr_i4(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_I5:		wr_i5(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_I6:		wr_i6(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_I7:		wr_i7(info->i); 						break;

		case CPUINFO_INT_REGISTER + ADSP2100_L0:		wr_l0(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_L1:		wr_l1(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_L2:		wr_l2(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_L3:		wr_l3(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_L4:		wr_l4(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_L5:		wr_l5(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_L6:		wr_l6(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_L7:		wr_l7(info->i); 						break;

		case CPUINFO_INT_REGISTER + ADSP2100_M0:		wr_m0(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_M1:		wr_m1(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_M2:		wr_m2(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_M3:		wr_m3(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_M4:		wr_m4(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_M5:		wr_m5(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_M6:		wr_m6(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_M7:		wr_m7(info->i); 						break;

		case CPUINFO_INT_REGISTER + ADSP2100_PX:		wr_px(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_CNTR:		adsp2100.cntr = info->i; 				break;
		case CPUINFO_INT_REGISTER + ADSP2100_ASTAT:		wr_astat(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_SSTAT:		wr_sstat(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_MSTAT:		wr_mstat(info->i); 						break;

		case CPUINFO_INT_SP:
		case CPUINFO_INT_REGISTER + ADSP2100_PCSP:		adsp2100.pc_sp = info->i; 				break;
		case CPUINFO_INT_REGISTER + ADSP2100_CNTRSP:	adsp2100.cntr_sp = info->i; 			break;
		case CPUINFO_INT_REGISTER + ADSP2100_STATSP:	adsp2100.stat_sp = info->i; 			break;
		case CPUINFO_INT_REGISTER + ADSP2100_LOOPSP:	adsp2100.loop_sp = info->i; 			break;

		case CPUINFO_INT_REGISTER + ADSP2100_IMASK:		wr_imask(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_ICNTL:		wr_icntl(info->i); 						break;
		case CPUINFO_INT_REGISTER + ADSP2100_IRQSTATE0:	adsp2100.irq_state[0] = info->i; 		break;
		case CPUINFO_INT_REGISTER + ADSP2100_IRQSTATE1:	adsp2100.irq_state[1] = info->i; 		break;
		case CPUINFO_INT_REGISTER + ADSP2100_IRQSTATE2:	adsp2100.irq_state[2] = info->i; 		break;
		case CPUINFO_INT_REGISTER + ADSP2100_IRQSTATE3:	adsp2100.irq_state[3] = info->i; 		break;

		case CPUINFO_INT_REGISTER + ADSP2100_FLAGIN:	adsp2100.flagin = info->i; 				break;
		case CPUINFO_INT_REGISTER + ADSP2100_FLAGOUT:	adsp2100.flagout = info->i; 			break;
		case CPUINFO_INT_REGISTER + ADSP2100_FL0:		adsp2100.fl0 = info->i; 				break;
		case CPUINFO_INT_REGISTER + ADSP2100_FL1:		adsp2100.fl1 = info->i; 				break;
		case CPUINFO_INT_REGISTER + ADSP2100_FL2: 		adsp2100.fl2 = info->i; 				break;

		/* --- the following bits of info are set as pointers to data or functions --- */
		case CPUINFO_PTR_IRQ_CALLBACK:					adsp2100.irq_callback = info->irqcallback;	break;
	}
}



/**************************************************************************
 * Generic get_info
 **************************************************************************/

static void adsp21xx_get_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are returned as 64-bit signed integers --- */
		case CPUINFO_INT_CONTEXT_SIZE:					info->i = sizeof(adsp2100);				break;
		case CPUINFO_INT_INPUT_LINES:					/* set per CPU */						break;
		case CPUINFO_INT_DEFAULT_IRQ_VECTOR:			info->i = 0;							break;
		case CPUINFO_INT_ENDIANNESS:					info->i = CPU_IS_LE;					break;
		case CPUINFO_INT_CLOCK_DIVIDER:					info->i = 1;							break;
		case CPUINFO_INT_MIN_INSTRUCTION_BYTES:			info->i = 4;							break;
		case CPUINFO_INT_MAX_INSTRUCTION_BYTES:			info->i = 4;							break;
		case CPUINFO_INT_MIN_CYCLES:					info->i = 1;							break;
		case CPUINFO_INT_MAX_CYCLES:					info->i = 1;							break;

		case CPUINFO_INT_DATABUS_WIDTH + ADDRESS_SPACE_PROGRAM:	info->i = 32;					break;
		case CPUINFO_INT_ADDRBUS_WIDTH + ADDRESS_SPACE_PROGRAM: info->i = 14;					break;
		case CPUINFO_INT_ADDRBUS_SHIFT + ADDRESS_SPACE_PROGRAM: info->i = -2;					break;
		case CPUINFO_INT_DATABUS_WIDTH + ADDRESS_SPACE_DATA:	info->i = 16;					break;
		case CPUINFO_INT_ADDRBUS_WIDTH + ADDRESS_SPACE_DATA: 	info->i = 14;					break;
		case CPUINFO_INT_ADDRBUS_SHIFT + ADDRESS_SPACE_DATA: 	info->i = -1;					break;
		case CPUINFO_INT_DATABUS_WIDTH + ADDRESS_SPACE_IO:		info->i = 0;					break;
		case CPUINFO_INT_ADDRBUS_WIDTH + ADDRESS_SPACE_IO: 		info->i = 0;					break;
		case CPUINFO_INT_ADDRBUS_SHIFT + ADDRESS_SPACE_IO: 		info->i = 0;					break;

		case CPUINFO_INT_PREVIOUSPC:					info->i = adsp2100.ppc;					break;
		case CPUINFO_INT_PC:
		case CPUINFO_INT_REGISTER + ADSP2100_PC:		info->i = adsp2100.pc;					break;

		case CPUINFO_INT_REGISTER + ADSP2100_AX0:		info->i = adsp2100.core.ax0.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AX1:		info->i = adsp2100.core.ax1.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AY0:		info->i = adsp2100.core.ay0.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AY1:		info->i = adsp2100.core.ay1.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AR:		info->i = adsp2100.core.ar.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AF:		info->i = adsp2100.core.af.u;			break;

		case CPUINFO_INT_REGISTER + ADSP2100_MX0:		info->i = adsp2100.core.mx0.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_MX1:		info->i = adsp2100.core.mx1.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_MY0:		info->i = adsp2100.core.my0.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_MY1:		info->i = adsp2100.core.my1.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_MR0:		info->i = adsp2100.core.mr.mrx.mr0.u;	break;
		case CPUINFO_INT_REGISTER + ADSP2100_MR1:		info->i = adsp2100.core.mr.mrx.mr1.u;	break;
		case CPUINFO_INT_REGISTER + ADSP2100_MR2:		info->i = adsp2100.core.mr.mrx.mr2.u;	break;
		case CPUINFO_INT_REGISTER + ADSP2100_MF:		info->i = adsp2100.core.mf.u;			break;

		case CPUINFO_INT_REGISTER + ADSP2100_SI:		info->i = adsp2100.core.si.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_SE:		info->i = adsp2100.core.se.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_SB:		info->i = adsp2100.core.sb.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_SR0:		info->i = adsp2100.core.sr.srx.sr0.u;	break;
		case CPUINFO_INT_REGISTER + ADSP2100_SR1:		info->i = adsp2100.core.sr.srx.sr1.u;	break;

		case CPUINFO_INT_REGISTER + ADSP2100_AX0_SEC:	info->i = adsp2100.alt.ax0.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AX1_SEC:	info->i = adsp2100.alt.ax1.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AY0_SEC:	info->i = adsp2100.alt.ay0.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AY1_SEC:	info->i = adsp2100.alt.ay1.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AR_SEC:	info->i = adsp2100.alt.ar.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_AF_SEC:	info->i = adsp2100.alt.af.u;			break;

		case CPUINFO_INT_REGISTER + ADSP2100_MX0_SEC:	info->i = adsp2100.alt.mx0.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_MX1_SEC:	info->i = adsp2100.alt.mx1.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_MY0_SEC:	info->i = adsp2100.alt.my0.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_MY1_SEC:	info->i = adsp2100.alt.my1.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_MR0_SEC:	info->i = adsp2100.alt.mr.mrx.mr0.u;	break;
		case CPUINFO_INT_REGISTER + ADSP2100_MR1_SEC:	info->i = adsp2100.alt.mr.mrx.mr1.u;	break;
		case CPUINFO_INT_REGISTER + ADSP2100_MR2_SEC:	info->i = adsp2100.alt.mr.mrx.mr2.u;	break;
		case CPUINFO_INT_REGISTER + ADSP2100_MF_SEC:	info->i = adsp2100.alt.mf.u;			break;

		case CPUINFO_INT_REGISTER + ADSP2100_SI_SEC:	info->i = adsp2100.alt.si.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_SE_SEC:	info->i = adsp2100.alt.se.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_SB_SEC:	info->i = adsp2100.alt.sb.u;			break;
		case CPUINFO_INT_REGISTER + ADSP2100_SR0_SEC:	info->i = adsp2100.alt.sr.srx.sr0.u;	break;
		case CPUINFO_INT_REGISTER + ADSP2100_SR1_SEC:	info->i = adsp2100.alt.sr.srx.sr1.u;	break;

		case CPUINFO_INT_REGISTER + ADSP2100_I0:		info->i = adsp2100.i[0];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_I1:		info->i = adsp2100.i[1];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_I2:		info->i = adsp2100.i[2];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_I3:		info->i = adsp2100.i[3];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_I4:		info->i = adsp2100.i[4];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_I5:		info->i = adsp2100.i[5];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_I6:		info->i = adsp2100.i[6];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_I7:		info->i = adsp2100.i[7];				break;

		case CPUINFO_INT_REGISTER + ADSP2100_L0:		info->i = adsp2100.l[0];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_L1:		info->i = adsp2100.l[1];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_L2:		info->i = adsp2100.l[2];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_L3:		info->i = adsp2100.l[3];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_L4:		info->i = adsp2100.l[4];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_L5:		info->i = adsp2100.l[5];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_L6:		info->i = adsp2100.l[6];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_L7:		info->i = adsp2100.l[7];				break;

		case CPUINFO_INT_REGISTER + ADSP2100_M0:		info->i = adsp2100.m[0];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_M1:		info->i = adsp2100.m[1];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_M2:		info->i = adsp2100.m[2];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_M3:		info->i = adsp2100.m[3];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_M4:		info->i = adsp2100.m[4];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_M5:		info->i = adsp2100.m[5];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_M6:		info->i = adsp2100.m[6];				break;
		case CPUINFO_INT_REGISTER + ADSP2100_M7:		info->i = adsp2100.m[7];				break;

		case CPUINFO_INT_REGISTER + ADSP2100_PX:		info->i = adsp2100.px;					break;
		case CPUINFO_INT_REGISTER + ADSP2100_CNTR:		info->i = adsp2100.cntr;				break;
		case CPUINFO_INT_REGISTER + ADSP2100_ASTAT:		info->i = adsp2100.astat;				break;
		case CPUINFO_INT_REGISTER + ADSP2100_SSTAT:		info->i = adsp2100.sstat;				break;
		case CPUINFO_INT_REGISTER + ADSP2100_MSTAT:		info->i = adsp2100.mstat;				break;

		case CPUINFO_INT_SP:
		case CPUINFO_INT_REGISTER + ADSP2100_PCSP:		info->i = adsp2100.pc_sp;				break;
		case CPUINFO_INT_REGISTER + ADSP2100_CNTRSP:	info->i = adsp2100.cntr_sp;				break;
		case CPUINFO_INT_REGISTER + ADSP2100_STATSP:	info->i = adsp2100.stat_sp;				break;
		case CPUINFO_INT_REGISTER + ADSP2100_LOOPSP:	info->i = adsp2100.loop_sp;				break;

		case CPUINFO_INT_REGISTER + ADSP2100_IMASK:		info->i = adsp2100.imask;				break;
		case CPUINFO_INT_REGISTER + ADSP2100_ICNTL:		info->i = adsp2100.icntl;				break;
		case CPUINFO_INT_REGISTER + ADSP2100_IRQSTATE0:	info->i = adsp2100.irq_state[0];		break;
		case CPUINFO_INT_REGISTER + ADSP2100_IRQSTATE1:	info->i = adsp2100.irq_state[1];		break;
		case CPUINFO_INT_REGISTER + ADSP2100_IRQSTATE2:	info->i = adsp2100.irq_state[2];		break;
		case CPUINFO_INT_REGISTER + ADSP2100_IRQSTATE3:	info->i = adsp2100.irq_state[3];		break;

		case CPUINFO_INT_REGISTER + ADSP2100_FLAGIN:	info->i = adsp2100.flagin;				break;
		case CPUINFO_INT_REGISTER + ADSP2100_FLAGOUT:	info->i = adsp2100.flagout;				break;
		case CPUINFO_INT_REGISTER + ADSP2100_FL0:		info->i = adsp2100.fl0;					break;
		case CPUINFO_INT_REGISTER + ADSP2100_FL1:		info->i = adsp2100.fl1;					break;
		case CPUINFO_INT_REGISTER + ADSP2100_FL2:		info->i = adsp2100.fl2;					break;

		/* --- the following bits of info are returned as pointers to data or functions --- */
		case CPUINFO_PTR_SET_INFO:						/* set per CPU */						break;
		case CPUINFO_PTR_GET_CONTEXT:					info->getcontext = adsp2100_get_context; break;
		case CPUINFO_PTR_SET_CONTEXT:					info->setcontext = adsp2100_set_context; break;
		case CPUINFO_PTR_INIT:							info->init = adsp2100_init;				break;
		case CPUINFO_PTR_RESET:							info->reset = adsp2100_reset;			break;
		case CPUINFO_PTR_EXIT:							info->exit = adsp2100_exit;				break;
		case CPUINFO_PTR_EXECUTE:						info->execute = adsp2100_execute;		break;
		case CPUINFO_PTR_BURN:							info->burn = NULL;						break;
		case CPUINFO_PTR_DISASSEMBLE:					info->disassemble = adsp2100_dasm;		break;
		case CPUINFO_PTR_IRQ_CALLBACK:					info->irqcallback = adsp2100.irq_callback; break;
		case CPUINFO_PTR_INSTRUCTION_COUNTER:			info->icount = &adsp2100_icount;		break;
		case CPUINFO_PTR_REGISTER_LAYOUT:				info->p = adsp21xx_reg_layout;			break;
		case CPUINFO_PTR_WINDOW_LAYOUT:					info->p = adsp21xx_win_layout;			break;

		/* --- the following bits of info are returned as NULL-terminated strings --- */
		case CPUINFO_STR_NAME:							/* set per CPU */						break;
		case CPUINFO_STR_CORE_FAMILY:					strcpy(info->s = cpuintrf_temp_str(), "ADSP21xx"); break;
		case CPUINFO_STR_CORE_VERSION:					strcpy(info->s = cpuintrf_temp_str(), "2.0"); break;
		case CPUINFO_STR_CORE_FILE:						strcpy(info->s = cpuintrf_temp_str(), __FILE__); break;
		case CPUINFO_STR_CORE_CREDITS:					strcpy(info->s = cpuintrf_temp_str(), "Copyright (C) Aaron Giles, 1999-2004"); break;

		case CPUINFO_STR_FLAGS:
			sprintf(info->s = cpuintrf_temp_str(), "%c%c%c%c%c%c%c%c",
				adsp2100.astat & 0x80 ? 'X':'.',
				adsp2100.astat & 0x40 ? 'M':'.',
				adsp2100.astat & 0x20 ? 'Q':'.',
				adsp2100.astat & 0x10 ? 'S':'.',
				adsp2100.astat & 0x08 ? 'C':'.',
				adsp2100.astat & 0x04 ? 'V':'.',
				adsp2100.astat & 0x02 ? 'N':'.',
				adsp2100.astat & 0x01 ? 'Z':'.');
			break;

		case CPUINFO_STR_REGISTER + ADSP2100_PC:  		sprintf(info->s = cpuintrf_temp_str(), "PC:  %04X", adsp2100.pc); break;

		case CPUINFO_STR_REGISTER + ADSP2100_AX0:		sprintf(info->s = cpuintrf_temp_str(), "AX0: %04X", adsp2100.core.ax0.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_AX1:		sprintf(info->s = cpuintrf_temp_str(), "AX1: %04X", adsp2100.core.ax1.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_AY0:		sprintf(info->s = cpuintrf_temp_str(), "AY0: %04X", adsp2100.core.ay0.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_AY1:		sprintf(info->s = cpuintrf_temp_str(), "AY1: %04X", adsp2100.core.ay1.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_AR:		sprintf(info->s = cpuintrf_temp_str(), "AR:  %04X", adsp2100.core.ar.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_AF:		sprintf(info->s = cpuintrf_temp_str(), "AF:  %04X", adsp2100.core.af.u); break;

		case CPUINFO_STR_REGISTER + ADSP2100_MX0: 		sprintf(info->s = cpuintrf_temp_str(), "MX0: %04X", adsp2100.core.mx0.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MX1: 		sprintf(info->s = cpuintrf_temp_str(), "MX1: %04X", adsp2100.core.mx1.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MY0: 		sprintf(info->s = cpuintrf_temp_str(), "MY0: %04X", adsp2100.core.my0.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MY1: 		sprintf(info->s = cpuintrf_temp_str(), "MY1: %04X", adsp2100.core.my1.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MR0: 		sprintf(info->s = cpuintrf_temp_str(), "MR0: %04X", adsp2100.core.mr.mrx.mr0.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MR1:		sprintf(info->s = cpuintrf_temp_str(), "MR1: %04X", adsp2100.core.mr.mrx.mr1.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MR2: 		sprintf(info->s = cpuintrf_temp_str(), "MR2: %02X", adsp2100.core.mr.mrx.mr2.u & 0x00ff); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MF:		sprintf(info->s = cpuintrf_temp_str(), "MF:  %04X", adsp2100.core.mf.u); break;

		case CPUINFO_STR_REGISTER + ADSP2100_SI:		sprintf(info->s = cpuintrf_temp_str(), "SI:  %04X", adsp2100.core.si.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_SE:		sprintf(info->s = cpuintrf_temp_str(), "SE:  %02X  ", adsp2100.core.se.u & 0x00ff); break;
		case CPUINFO_STR_REGISTER + ADSP2100_SB:		sprintf(info->s = cpuintrf_temp_str(), "SB:  %02X  ", adsp2100.core.sb.u & 0x001f); break;
		case CPUINFO_STR_REGISTER + ADSP2100_SR0: 		sprintf(info->s = cpuintrf_temp_str(), "SR0: %04X", adsp2100.core.sr.srx.sr0.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_SR1:		sprintf(info->s = cpuintrf_temp_str(), "SR1: %04X", adsp2100.core.sr.srx.sr1.u); break;

		case CPUINFO_STR_REGISTER + ADSP2100_AX0_SEC:	sprintf(info->s = cpuintrf_temp_str(), "AX0_SEC: %04X", adsp2100.alt.ax0.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_AX1_SEC:	sprintf(info->s = cpuintrf_temp_str(), "AX1_SEC: %04X", adsp2100.alt.ax1.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_AY0_SEC:	sprintf(info->s = cpuintrf_temp_str(), "AY0_SEC: %04X", adsp2100.alt.ay0.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_AY1_SEC:	sprintf(info->s = cpuintrf_temp_str(), "AY1_SEC: %04X", adsp2100.alt.ay1.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_AR_SEC:	sprintf(info->s = cpuintrf_temp_str(), "AR_SEC:  %04X", adsp2100.alt.ar.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_AF_SEC:	sprintf(info->s = cpuintrf_temp_str(), "AF_SEC:  %04X", adsp2100.alt.af.u); break;

		case CPUINFO_STR_REGISTER + ADSP2100_MX0_SEC:	sprintf(info->s = cpuintrf_temp_str(), "MX0_SEC: %04X", adsp2100.alt.mx0.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MX1_SEC: 	sprintf(info->s = cpuintrf_temp_str(), "MX1_SEC: %04X", adsp2100.alt.mx1.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MY0_SEC: 	sprintf(info->s = cpuintrf_temp_str(), "MY0_SEC: %04X", adsp2100.alt.my0.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MY1_SEC: 	sprintf(info->s = cpuintrf_temp_str(), "MY1_SEC: %04X", adsp2100.alt.my1.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MR0_SEC: 	sprintf(info->s = cpuintrf_temp_str(), "MR0_SEC: %04X", adsp2100.alt.mr.mrx.mr0.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MR1_SEC:	sprintf(info->s = cpuintrf_temp_str(), "MR1_SEC: %04X", adsp2100.alt.mr.mrx.mr1.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MR2_SEC: 	sprintf(info->s = cpuintrf_temp_str(), "MR2_SEC: %02X", adsp2100.alt.mr.mrx.mr2.u & 0x00ff); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MF_SEC:	sprintf(info->s = cpuintrf_temp_str(), "MF_SEC:  %04X", adsp2100.alt.mf.u); break;

		case CPUINFO_STR_REGISTER + ADSP2100_SI_SEC:	sprintf(info->s = cpuintrf_temp_str(), "SI_SEC:  %04X", adsp2100.alt.si.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_SE_SEC:	sprintf(info->s = cpuintrf_temp_str(), "SE_SEC:  %02X  ", adsp2100.alt.se.u & 0x00ff); break;
		case CPUINFO_STR_REGISTER + ADSP2100_SB_SEC:	sprintf(info->s = cpuintrf_temp_str(), "SB_SEC:  %02X  ", adsp2100.alt.sb.u & 0x001f); break;
		case CPUINFO_STR_REGISTER + ADSP2100_SR0_SEC: 	sprintf(info->s = cpuintrf_temp_str(), "SR0_SEC: %04X", adsp2100.alt.sr.srx.sr0.u); break;
		case CPUINFO_STR_REGISTER + ADSP2100_SR1_SEC:	sprintf(info->s = cpuintrf_temp_str(), "SR1_SEC: %04X", adsp2100.alt.sr.srx.sr1.u); break;

		case CPUINFO_STR_REGISTER + ADSP2100_I0:		sprintf(info->s = cpuintrf_temp_str(), "I0:  %04X", adsp2100.i[0]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_I1:		sprintf(info->s = cpuintrf_temp_str(), "I1:  %04X", adsp2100.i[1]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_I2:		sprintf(info->s = cpuintrf_temp_str(), "I2:  %04X", adsp2100.i[2]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_I3:		sprintf(info->s = cpuintrf_temp_str(), "I3:  %04X", adsp2100.i[3]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_I4:		sprintf(info->s = cpuintrf_temp_str(), "I4:  %04X", adsp2100.i[4]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_I5:		sprintf(info->s = cpuintrf_temp_str(), "I5:  %04X", adsp2100.i[5]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_I6:		sprintf(info->s = cpuintrf_temp_str(), "I6:  %04X", adsp2100.i[6]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_I7:		sprintf(info->s = cpuintrf_temp_str(), "I7:  %04X", adsp2100.i[7]); break;

		case CPUINFO_STR_REGISTER + ADSP2100_L0:		sprintf(info->s = cpuintrf_temp_str(), "L0:  %04X", adsp2100.l[0]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_L1:		sprintf(info->s = cpuintrf_temp_str(), "L1:  %04X", adsp2100.l[1]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_L2:		sprintf(info->s = cpuintrf_temp_str(), "L2:  %04X", adsp2100.l[2]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_L3:		sprintf(info->s = cpuintrf_temp_str(), "L3:  %04X", adsp2100.l[3]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_L4:		sprintf(info->s = cpuintrf_temp_str(), "L4:  %04X", adsp2100.l[4]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_L5:		sprintf(info->s = cpuintrf_temp_str(), "L5:  %04X", adsp2100.l[5]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_L6:		sprintf(info->s = cpuintrf_temp_str(), "L6:  %04X", adsp2100.l[6]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_L7:		sprintf(info->s = cpuintrf_temp_str(), "L7:  %04X", adsp2100.l[7]); break;

		case CPUINFO_STR_REGISTER + ADSP2100_M0:		sprintf(info->s = cpuintrf_temp_str(), "M0:  %04X", adsp2100.m[0]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_M1:		sprintf(info->s = cpuintrf_temp_str(), "M1:  %04X", adsp2100.m[1]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_M2:		sprintf(info->s = cpuintrf_temp_str(), "M2:  %04X", adsp2100.m[2]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_M3:		sprintf(info->s = cpuintrf_temp_str(), "M3:  %04X", adsp2100.m[3]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_M4:		sprintf(info->s = cpuintrf_temp_str(), "M4:  %04X", adsp2100.m[4]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_M5:		sprintf(info->s = cpuintrf_temp_str(), "M5:  %04X", adsp2100.m[5]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_M6:		sprintf(info->s = cpuintrf_temp_str(), "M6:  %04X", adsp2100.m[6]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_M7:		sprintf(info->s = cpuintrf_temp_str(), "M7:  %04X", adsp2100.m[7]); break;

		case CPUINFO_STR_REGISTER + ADSP2100_PX:		sprintf(info->s = cpuintrf_temp_str(), "PX:  %02X  ", adsp2100.px); break;
		case CPUINFO_STR_REGISTER + ADSP2100_CNTR:		sprintf(info->s = cpuintrf_temp_str(), "CNTR:%04X", adsp2100.cntr); break;
		case CPUINFO_STR_REGISTER + ADSP2100_ASTAT: 	sprintf(info->s = cpuintrf_temp_str(), "ASTA:%02X  ", adsp2100.astat); break;
		case CPUINFO_STR_REGISTER + ADSP2100_SSTAT: 	sprintf(info->s = cpuintrf_temp_str(), "SSTA:%02X  ", adsp2100.sstat); break;
		case CPUINFO_STR_REGISTER + ADSP2100_MSTAT: 	sprintf(info->s = cpuintrf_temp_str(), "MSTA:%02X  ", adsp2100.mstat); break;

		case CPUINFO_STR_REGISTER + ADSP2100_PCSP: 		sprintf(info->s = cpuintrf_temp_str(), "PCSP:%02X  ", adsp2100.pc_sp); break;
		case CPUINFO_STR_REGISTER + ADSP2100_CNTRSP: 	sprintf(info->s = cpuintrf_temp_str(), "CTSP:%01X   ", adsp2100.cntr_sp); break;
		case CPUINFO_STR_REGISTER + ADSP2100_STATSP: 	sprintf(info->s = cpuintrf_temp_str(), "STSP:%01X   ", adsp2100.stat_sp); break;
		case CPUINFO_STR_REGISTER + ADSP2100_LOOPSP: 	sprintf(info->s = cpuintrf_temp_str(), "LPSP:%01X   ", adsp2100.loop_sp); break;

		case CPUINFO_STR_REGISTER + ADSP2100_IMASK: 	sprintf(info->s = cpuintrf_temp_str(), "IMSK:%02X  ", adsp2100.imask); break;
		case CPUINFO_STR_REGISTER + ADSP2100_ICNTL: 	sprintf(info->s = cpuintrf_temp_str(), "ICTL:%02X  ", adsp2100.icntl); break;
		case CPUINFO_STR_REGISTER + ADSP2100_IRQSTATE0:	sprintf(info->s = cpuintrf_temp_str(), "IRQ0:%X   ", adsp2100.irq_state[0]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_IRQSTATE1:	sprintf(info->s = cpuintrf_temp_str(), "IRQ1:%X   ", adsp2100.irq_state[1]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_IRQSTATE2:	sprintf(info->s = cpuintrf_temp_str(), "IRQ2:%X   ", adsp2100.irq_state[2]); break;
		case CPUINFO_STR_REGISTER + ADSP2100_IRQSTATE3:	sprintf(info->s = cpuintrf_temp_str(), "IRQ3:%X   ", adsp2100.irq_state[3]); break;

		case CPUINFO_STR_REGISTER + ADSP2100_FLAGIN: 	sprintf(info->s = cpuintrf_temp_str(), "FI:  %X   ", adsp2100.flagin); break;
		case CPUINFO_STR_REGISTER + ADSP2100_FLAGOUT: 	sprintf(info->s = cpuintrf_temp_str(), "FO:  %X   ", adsp2100.flagout); break;
		case CPUINFO_STR_REGISTER + ADSP2100_FL0: 		sprintf(info->s = cpuintrf_temp_str(), "FL0: %X   ", adsp2100.fl0); break;
		case CPUINFO_STR_REGISTER + ADSP2100_FL1: 		sprintf(info->s = cpuintrf_temp_str(), "FL1: %X   ", adsp2100.fl1); break;
		case CPUINFO_STR_REGISTER + ADSP2100_FL2: 		sprintf(info->s = cpuintrf_temp_str(), "FL2: %X   ", adsp2100.fl2); break;
	}
}


#if (HAS_ADSP2100)
/**************************************************************************
 * ADSP2100 section
 **************************************************************************/

static void adsp2100_set_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are set as 64-bit signed integers --- */
		case CPUINFO_INT_INPUT_STATE + ADSP2100_IRQ0:	set_irq_line(ADSP2100_IRQ0, info->i);		break;
		case CPUINFO_INT_INPUT_STATE + ADSP2100_IRQ1:	set_irq_line(ADSP2100_IRQ1, info->i);		break;
		case CPUINFO_INT_INPUT_STATE + ADSP2100_IRQ2:	set_irq_line(ADSP2100_IRQ2, info->i);		break;
		case CPUINFO_INT_INPUT_STATE + ADSP2100_IRQ3:	set_irq_line(ADSP2100_IRQ3, info->i);		break;

		default:
			adsp21xx_set_info(state, info);
			break;
	}
}

void adsp2100_get_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are returned as 64-bit signed integers --- */
		case CPUINFO_INT_INPUT_LINES:					info->i = 4;							break;
		case CPUINFO_INT_INPUT_STATE + ADSP2100_IRQ0:	info->i = adsp2100.irq_state[ADSP2100_IRQ0]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2100_IRQ1:	info->i = adsp2100.irq_state[ADSP2100_IRQ1]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2100_IRQ2:	info->i = adsp2100.irq_state[ADSP2100_IRQ2]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2100_IRQ3:	info->i = adsp2100.irq_state[ADSP2100_IRQ3]; break;

		/* --- the following bits of info are returned as pointers to data or functions --- */
		case CPUINFO_PTR_SET_INFO:						info->setinfo = adsp2100_set_info;		break;
		case CPUINFO_PTR_SET_CONTEXT:					info->setcontext = adsp2100_set_context; break;

		/* --- the following bits of info are returned as NULL-terminated strings --- */
		case CPUINFO_STR_NAME:							strcpy(info->s = cpuintrf_temp_str(), "ADSP2100"); break;

		default:
			adsp21xx_get_info(state, info);
			break;
	}
}
#endif


#if (HAS_ADSP2101)
/**************************************************************************
 * ADSP2101 section
 **************************************************************************/

static void adsp2101_reset(void *param)
{
	set_core_2101();
	adsp2100_reset(param);
}

static void adsp2101_set_context(void *src)
{
	/* copy the context */
	if (src)
		adsp2100 = *(adsp2100_Regs *)src;

	/* reset the chip type */
	set_core_2101();

	/* check for IRQs */
	check_irqs();
}

static void adsp2101_set_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are set as 64-bit signed integers --- */
		case CPUINFO_INT_INPUT_STATE + ADSP2101_IRQ0:	set_irq_line(ADSP2101_IRQ0, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2101_IRQ1:	set_irq_line(ADSP2101_IRQ1, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2101_IRQ2:	set_irq_line(ADSP2101_IRQ2, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2101_SPORT0_RX:set_irq_line(ADSP2101_SPORT0_RX, info->i); break;
		case CPUINFO_INT_INPUT_STATE + ADSP2101_SPORT0_TX:set_irq_line(ADSP2101_SPORT0_TX, info->i); break;

		/* --- the following bits of info are set as pointers to data or functions --- */
		case CPUINFO_PTR_ADSP2100_RX_HANDLER:			adsp2100.sport_rx_callback = (RX_CALLBACK)info->f;	break;
		case CPUINFO_PTR_ADSP2100_TX_HANDLER:			adsp2100.sport_tx_callback = (TX_CALLBACK)info->f;	break;

		default:
			adsp21xx_set_info(state, info);
			break;
	}
}

void adsp2101_get_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are returned as 64-bit signed integers --- */
		case CPUINFO_INT_INPUT_LINES:					info->i = 5;							break;
		case CPUINFO_INT_INPUT_STATE + ADSP2101_IRQ0:	info->i = adsp2100.irq_state[ADSP2101_IRQ0]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2101_IRQ1:	info->i = adsp2100.irq_state[ADSP2101_IRQ1]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2101_IRQ2:	info->i = adsp2100.irq_state[ADSP2101_IRQ2]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2101_SPORT0_RX:info->i = adsp2100.irq_state[ADSP2101_SPORT0_RX]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2101_SPORT0_TX:info->i = adsp2100.irq_state[ADSP2101_SPORT0_TX]; break;

		/* --- the following bits of info are returned as pointers to data or functions --- */
		case CPUINFO_PTR_SET_INFO:						info->setinfo = adsp2101_set_info;		break;
		case CPUINFO_PTR_RESET:							info->reset = adsp2101_reset;			break;
		case CPUINFO_PTR_SET_CONTEXT:					info->setcontext = adsp2101_set_context; break;

		case CPUINFO_PTR_ADSP2100_RX_HANDLER:			info->f = (genf *)adsp2100.sport_rx_callback;	break;
		case CPUINFO_PTR_ADSP2100_TX_HANDLER:			info->f = (genf *)adsp2100.sport_tx_callback;	break;

		/* --- the following bits of info are returned as NULL-terminated strings --- */
		case CPUINFO_STR_NAME:							strcpy(info->s = cpuintrf_temp_str(), "ADSP2101"); break;

		default:
			adsp21xx_get_info(state, info);
			break;
	}
}
#endif


#if (HAS_ADSP2104)
/**************************************************************************
 * ADSP2104 section
 **************************************************************************/

static void adsp2104_reset(void *param)
{
	set_core_2104();
	adsp2100_reset(param);
}

static void adsp2104_set_context(void *src)
{
	/* copy the context */
	if (src)
		adsp2100 = *(adsp2100_Regs *)src;

	/* reset the chip type */
	set_core_2104();

	/* check for IRQs */
	check_irqs();
}

void adsp2104_load_boot_data(data8_t *srcdata, data32_t *dstdata)
{
	/* see how many words we need to copy */
	int pagelen = (srcdata[(3)] + 1) * 8;
	int i;
	for (i = 0; i < pagelen; i++)
	{
		UINT32 opcode = (srcdata[(i*4+0)] << 16) | (srcdata[(i*4+1)] << 8) | srcdata[(i*4+2)];
		ADSP2100_WRPGM(&dstdata[i], opcode);
	}
}

static void adsp2104_set_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are set as 64-bit signed integers --- */
		case CPUINFO_INT_INPUT_STATE + ADSP2104_IRQ0:	set_irq_line(ADSP2104_IRQ0, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2104_IRQ1:	set_irq_line(ADSP2104_IRQ1, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2104_IRQ2:	set_irq_line(ADSP2104_IRQ2, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2104_SPORT0_RX:set_irq_line(ADSP2104_SPORT0_RX, info->i); break;
		case CPUINFO_INT_INPUT_STATE + ADSP2104_SPORT0_TX:set_irq_line(ADSP2104_SPORT0_TX, info->i); break;

		/* --- the following bits of info are set as pointers to data or functions --- */
		case CPUINFO_PTR_ADSP2100_RX_HANDLER:			adsp2100.sport_rx_callback = (RX_CALLBACK)info->f;	break;
		case CPUINFO_PTR_ADSP2100_TX_HANDLER:			adsp2100.sport_tx_callback = (TX_CALLBACK)info->f;	break;

		default:
			adsp21xx_set_info(state, info);
			break;
	}
}

void adsp2104_get_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are returned as 64-bit signed integers --- */
		case CPUINFO_INT_INPUT_LINES:					info->i = 5;							break;
		case CPUINFO_INT_INPUT_STATE + ADSP2104_IRQ0:	info->i = adsp2100.irq_state[ADSP2104_IRQ0]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2104_IRQ1:	info->i = adsp2100.irq_state[ADSP2104_IRQ1]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2104_IRQ2:	info->i = adsp2100.irq_state[ADSP2104_IRQ2]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2104_SPORT0_RX:info->i = adsp2100.irq_state[ADSP2104_SPORT0_RX]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2104_SPORT0_TX:info->i = adsp2100.irq_state[ADSP2104_SPORT0_TX]; break;

		/* --- the following bits of info are returned as pointers to data or functions --- */
		case CPUINFO_PTR_SET_INFO:						info->setinfo = adsp2104_set_info;		break;
		case CPUINFO_PTR_RESET:							info->reset = adsp2104_reset;			break;
		case CPUINFO_PTR_SET_CONTEXT:					info->setcontext = adsp2104_set_context; break;

		case CPUINFO_PTR_ADSP2100_RX_HANDLER:			info->f = (genf *)adsp2100.sport_rx_callback;	break;
		case CPUINFO_PTR_ADSP2100_TX_HANDLER:			info->f = (genf *)adsp2100.sport_tx_callback;	break;

		/* --- the following bits of info are returned as NULL-terminated strings --- */
		case CPUINFO_STR_NAME:							strcpy(info->s = cpuintrf_temp_str(), "ADSP2104"); break;

		default:
			adsp21xx_get_info(state, info);
			break;
	}
}
#endif


#if (HAS_ADSP2105)
/**************************************************************************
 * ADSP2105 section
 **************************************************************************/

static void adsp2105_reset(void *param)
{
	set_core_2105();
	adsp2100_reset(param);
}

static void adsp2105_set_context(void *src)
{
	/* copy the context */
	if (src)
		adsp2100 = *(adsp2100_Regs *)src;

	/* reset the chip type */
	set_core_2105();

	/* check for IRQs */
	check_irqs();
}

void adsp2105_load_boot_data(data8_t *srcdata, data32_t *dstdata)
{
	adsp2104_load_boot_data(srcdata, dstdata);
}

static void adsp2105_set_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are set as 64-bit signed integers --- */
		case CPUINFO_INT_INPUT_STATE + ADSP2105_IRQ0:	set_irq_line(ADSP2105_IRQ0, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2105_IRQ1:	set_irq_line(ADSP2105_IRQ1, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2105_IRQ2:	set_irq_line(ADSP2105_IRQ2, info->i);	break;

		/* --- the following bits of info are set as pointers to data or functions --- */
		case CPUINFO_PTR_ADSP2100_RX_HANDLER:			adsp2100.sport_rx_callback = (RX_CALLBACK)info->f;	break;
		case CPUINFO_PTR_ADSP2100_TX_HANDLER:			adsp2100.sport_tx_callback = (TX_CALLBACK)info->f;	break;

		default:
			adsp21xx_set_info(state, info);
			break;
	}
}

void adsp2105_get_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are returned as 64-bit signed integers --- */
		case CPUINFO_INT_INPUT_LINES:					info->i = 3;							break;
		case CPUINFO_INT_INPUT_STATE + ADSP2105_IRQ0:	info->i = adsp2100.irq_state[ADSP2105_IRQ0]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2105_IRQ1:	info->i = adsp2100.irq_state[ADSP2105_IRQ1]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2105_IRQ2:	info->i = adsp2100.irq_state[ADSP2105_IRQ2]; break;

		/* --- the following bits of info are returned as pointers to data or functions --- */
		case CPUINFO_PTR_SET_INFO:						info->setinfo = adsp2105_set_info;		break;
		case CPUINFO_PTR_RESET:							info->reset = adsp2105_reset;			break;
		case CPUINFO_PTR_SET_CONTEXT:					info->setcontext = adsp2105_set_context; break;

		case CPUINFO_PTR_ADSP2100_RX_HANDLER:			info->f = (genf *)adsp2100.sport_rx_callback;	break;
		case CPUINFO_PTR_ADSP2100_TX_HANDLER:			info->f = (genf *)adsp2100.sport_tx_callback;	break;

		/* --- the following bits of info are returned as NULL-terminated strings --- */
		case CPUINFO_STR_NAME:							strcpy(info->s = cpuintrf_temp_str(), "ADSP2105"); break;

		default:
			adsp21xx_get_info(state, info);
			break;
	}
}
#endif


#if (HAS_ADSP2115)
/**************************************************************************
 * ADSP2115 section
 **************************************************************************/

static void adsp2115_reset(void *param)
{
	set_core_2115();
	adsp2100_reset(param);
}

static void adsp2115_set_context(void *src)
{
	/* copy the context */
	if (src)
		adsp2100 = *(adsp2100_Regs *)src;

	/* reset the chip type */
	set_core_2115();

	/* check for IRQs */
	check_irqs();
}

void adsp2115_load_boot_data(data8_t *srcdata, data32_t *dstdata)
{
	adsp2104_load_boot_data(srcdata, dstdata);
}

static void adsp2115_set_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are set as 64-bit signed integers --- */
		case CPUINFO_INT_INPUT_STATE + ADSP2115_IRQ0:	set_irq_line(ADSP2115_IRQ0, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2115_IRQ1:	set_irq_line(ADSP2115_IRQ1, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2115_IRQ2:	set_irq_line(ADSP2115_IRQ2, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2115_SPORT0_RX:set_irq_line(ADSP2115_SPORT0_RX, info->i); break;
		case CPUINFO_INT_INPUT_STATE + ADSP2115_SPORT0_TX:set_irq_line(ADSP2115_SPORT0_TX, info->i); break;

		/* --- the following bits of info are set as pointers to data or functions --- */
		case CPUINFO_PTR_ADSP2100_RX_HANDLER:			adsp2100.sport_rx_callback = (RX_CALLBACK)info->f;	break;
		case CPUINFO_PTR_ADSP2100_TX_HANDLER:			adsp2100.sport_tx_callback = (TX_CALLBACK)info->f;	break;

		default:
			adsp21xx_set_info(state, info);
			break;
	}
}

void adsp2115_get_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are returned as 64-bit signed integers --- */
		case CPUINFO_INT_INPUT_LINES:					info->i = 4;							break;
		case CPUINFO_INT_INPUT_STATE + ADSP2115_IRQ0:	info->i = adsp2100.irq_state[ADSP2115_IRQ0]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2115_IRQ1:	info->i = adsp2100.irq_state[ADSP2115_IRQ1]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2115_IRQ2:	info->i = adsp2100.irq_state[ADSP2115_IRQ2]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2115_SPORT0_RX:info->i = adsp2100.irq_state[ADSP2115_SPORT0_RX]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2115_SPORT0_TX:info->i = adsp2100.irq_state[ADSP2115_SPORT0_TX]; break;

		/* --- the following bits of info are returned as pointers to data or functions --- */
		case CPUINFO_PTR_SET_INFO:						info->setinfo = adsp2115_set_info;		break;
		case CPUINFO_PTR_RESET:							info->reset = adsp2115_reset;			break;
		case CPUINFO_PTR_SET_CONTEXT:					info->setcontext = adsp2115_set_context; break;

		case CPUINFO_PTR_ADSP2100_RX_HANDLER:			info->f = (genf *)adsp2100.sport_rx_callback;	break;
		case CPUINFO_PTR_ADSP2100_TX_HANDLER:			info->f = (genf *)adsp2100.sport_tx_callback;	break;

		/* --- the following bits of info are returned as NULL-terminated strings --- */
		case CPUINFO_STR_NAME:							strcpy(info->s = cpuintrf_temp_str(), "ADSP2115"); break;

		default:
			adsp21xx_get_info(state, info);
			break;
	}
}
#endif


#if (HAS_ADSP2181)
/**************************************************************************
 * ADSP2181 section
 **************************************************************************/

static void adsp2181_reset(void *param)
{
	set_core_2181();
	adsp2100_reset(param);
}

static void adsp2181_set_context(void *src)
{
	/* copy the context */
	if (src)
		adsp2100 = *(adsp2100_Regs *)src;

	/* reset the chip type */
	set_core_2181();

	/* check for IRQs */
	check_irqs();
}

void adsp2181_load_boot_data(data8_t *srcdata, data32_t *dstdata)
{
	adsp2104_load_boot_data(srcdata, dstdata);
}

static void adsp2181_set_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are set as 64-bit signed integers --- */
		case CPUINFO_INT_INPUT_STATE + ADSP2181_IRQ0:	set_irq_line(ADSP2181_IRQ0, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2181_IRQ1:	set_irq_line(ADSP2181_IRQ1, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2181_IRQ2:	set_irq_line(ADSP2181_IRQ2, info->i);	break;
		case CPUINFO_INT_INPUT_STATE + ADSP2181_SPORT0_RX:set_irq_line(ADSP2181_SPORT0_RX, info->i); break;
		case CPUINFO_INT_INPUT_STATE + ADSP2181_SPORT0_TX:set_irq_line(ADSP2181_SPORT0_TX, info->i); break;

		/* --- the following bits of info are set as pointers to data or functions --- */
		case CPUINFO_PTR_ADSP2100_RX_HANDLER:			adsp2100.sport_rx_callback = (RX_CALLBACK)info->f;	break;
		case CPUINFO_PTR_ADSP2100_TX_HANDLER:			adsp2100.sport_tx_callback = (TX_CALLBACK)info->f;	break;

		default:
			adsp21xx_set_info(state, info);
			break;
	}
}

void adsp2181_get_info(UINT32 state, union cpuinfo *info)
{
	switch (state)
	{
		/* --- the following bits of info are returned as 64-bit signed integers --- */
		case CPUINFO_INT_INPUT_LINES:					info->i = 4;							break;
		case CPUINFO_INT_INPUT_STATE + ADSP2181_IRQ0:	info->i = adsp2100.irq_state[ADSP2181_IRQ0]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2181_IRQ1:	info->i = adsp2100.irq_state[ADSP2181_IRQ1]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2181_IRQ2:	info->i = adsp2100.irq_state[ADSP2181_IRQ2]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2181_SPORT0_RX:info->i = adsp2100.irq_state[ADSP2181_SPORT0_RX]; break;
		case CPUINFO_INT_INPUT_STATE + ADSP2181_SPORT0_TX:info->i = adsp2100.irq_state[ADSP2181_SPORT0_TX]; break;

		case CPUINFO_INT_DATABUS_WIDTH + ADDRESS_SPACE_IO:		info->i = 16;					break;
		case CPUINFO_INT_ADDRBUS_WIDTH + ADDRESS_SPACE_IO: 		info->i = 11;					break;
		case CPUINFO_INT_ADDRBUS_SHIFT + ADDRESS_SPACE_IO: 		info->i = 1;					break;

		/* --- the following bits of info are returned as pointers to data or functions --- */
		case CPUINFO_PTR_SET_INFO:						info->setinfo = adsp2181_set_info;		break;
		case CPUINFO_PTR_RESET:							info->reset = adsp2181_reset;			break;
		case CPUINFO_PTR_SET_CONTEXT:					info->setcontext = adsp2181_set_context; break;

		case CPUINFO_PTR_ADSP2100_RX_HANDLER:			info->f = (genf *)adsp2100.sport_rx_callback;	break;
		case CPUINFO_PTR_ADSP2100_TX_HANDLER:			info->f = (genf *)adsp2100.sport_tx_callback;	break;

		/* --- the following bits of info are returned as NULL-terminated strings --- */
		case CPUINFO_STR_NAME:							strcpy(info->s = cpuintrf_temp_str(), "ADSP2181"); break;

		default:
			adsp21xx_get_info(state, info);
			break;
	}
}

void adsp2181_idma_addr_w(data16_t data)
{
	adsp2100.idma_addr = data;
	adsp2100.idma_offs = 0;
}

void adsp2181_idma_data_w(data16_t data)
{
	/* program memory? */
	if (!(adsp2100.idma_addr & 0x4000))
	{
		/* upper 16 bits */
		if (adsp2100.idma_offs == 0)
		{
			adsp2100.idma_cache = data;
			adsp2100.idma_offs = 1;
		}

		/* lower 8 bits */
		else
		{
			WWORD_PGM(adsp2100.idma_addr++ & 0x3fff, (adsp2100.idma_cache << 8) | (data & 0xff));
			adsp2100.idma_offs = 0;
		}
	}

	/* data memory */
	else
		WWORD_DATA(adsp2100.idma_addr++ & 0x3fff, data);
}

data16_t adsp2181_idma_data_r(data16_t data)
{
	data16_t result = 0xffff;

	/* program memory? */
	if (!(adsp2100.idma_addr & 0x4000))
	{
		/* upper 16 bits */
		if (adsp2100.idma_offs == 0)
		{
			result = RWORD_PGM(adsp2100.idma_addr & 0x3fff) >> 8;
			adsp2100.idma_offs = 1;
		}

		/* lower 8 bits */
		else
		{
			result = RWORD_PGM(adsp2100.idma_addr++ & 0x3fff) & 0xff;
			adsp2100.idma_offs = 0;
		}
	}

	/* data memory */
	else
		result = RWORD_DATA(adsp2100.idma_addr++ & 0x3fff);

	return result;
}

#endif
