Adds the QSound internal DSP ROM to the device. [Andrew Gardner]

src/emu/cpu/dsp16/dsp16.c

@@ -322,6 +322,11 @@ void dsp16_device::execute_set_input(int inputnum, int state)
 
 void dsp16_device::execute_run()
 {
+	// HACK TO MAKE CPU DO NOTHING.
+	// REMOVE IF DEVELOPING CPU CORE.
+	m_icount = 0;
+	return;
+
 	do
 	{
 		// debugging

src/emu/sound/qsound.c

@@ -44,6 +44,39 @@
 const device_type QSOUND = &device_creator<qsound_device>;
 
 
+//**************************************************************************
+//  GLOBAL VARIABLES
+//**************************************************************************
+
+// program map for the DSP (points to internal 4096 words of internal ROM)
+static ADDRESS_MAP_START( dsp16_program_map, AS_PROGRAM, 16, qsound_device )
+	AM_RANGE(0x0000, 0x0fff) AM_ROM
+ADDRESS_MAP_END
+
+
+// data map for the DSP (the dsp16 appears to use 2048 words of internal RAM)
+static ADDRESS_MAP_START( dsp16_data_map, AS_DATA, 16, qsound_device )
+	ADDRESS_MAP_UNMAP_HIGH
+	AM_RANGE(0x0000, 0x07ff) AM_RAM
+ADDRESS_MAP_END
+
+
+// machine fragment
+static MACHINE_CONFIG_FRAGMENT( qsound )
+	MCFG_CPU_ADD("qsound", DSP16, QSOUND_CLOCK)
+	MCFG_CPU_PROGRAM_MAP(dsp16_program_map)
+	MCFG_CPU_DATA_MAP(dsp16_data_map)
+MACHINE_CONFIG_END
+
+
+// ROM definition for the Qsound program ROM
+// NOTE: ROM is marked as bad since a handful of questionable bits haven't been fully examined.
+ROM_START( qsound )
+	ROM_REGION( 0x2000, "qsound", 0 )
+	ROM_LOAD16_WORD( "qsound.bin", 0x0000, 0x2000, BAD_DUMP CRC(059c847d) SHA1(229cead1be2f86733dd80573d4983ba482355ece) )
+ROM_END
+
+
 //**************************************************************************
 //  LIVE DEVICE
 //**************************************************************************
@@ -53,19 +86,42 @@ const device_type QSOUND = &device_creator<qsound_device>;
 //-------------------------------------------------
 
 qsound_device::qsound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
-	: device_t(mconfig, QSOUND, "Q-Sound", tag, owner, clock),
-		device_sound_interface(mconfig, *this),
-		m_data(0),
-		m_stream(NULL),
-		m_sample_rom_length(0),
-		m_sample_rom(NULL),
-		m_frq_ratio(0.0f),
-		m_fpRawDataL(NULL),
-		m_fpRawDataR(NULL)
+	: device_t(mconfig, QSOUND, "Q-Sound", tag, owner, clock, "qsound"),
+	  device_sound_interface(mconfig, *this),
+	  m_data(0),
+	  m_stream(NULL),
+	  m_sample_rom_length(0),
+	  m_sample_rom(NULL),
+	  m_cpu(NULL),
+	  m_frq_ratio(0.0f),
+	  m_fpRawDataL(NULL),
+	  m_fpRawDataR(NULL)
 {
 }
 
 
+//-------------------------------------------------
+//  rom_region - return a pointer to the device's
+//  internal ROM region
+//-------------------------------------------------
+
+const rom_entry *qsound_device::device_rom_region() const
+{
+	return ROM_NAME( qsound );
+}
+
+
+//-------------------------------------------------
+//  machine_config_additions - return a pointer to
+//  the device's machine fragment
+//-------------------------------------------------
+
+machine_config_constructor qsound_device::device_mconfig_additions() const
+{
+	return MACHINE_CONFIG_NAME( qsound );
+}
+
+
 //-------------------------------------------------
 //  device_start - device-specific startup
 //-------------------------------------------------
@@ -74,6 +130,9 @@ void qsound_device::device_start()
 {
 	int i;
 
+	// find our CPU
+	m_cpu = subdevice<dsp16_device>("qsound");
+
 	m_sample_rom = (QSOUND_SRC_SAMPLE *)*region();
 	m_sample_rom_length = region()->bytes();
 

src/emu/sound/qsound.h

@@ -9,6 +9,8 @@
 #ifndef __QSOUND_H__
 #define __QSOUND_H__
 
+#include "cpu/dsp16/dsp16.h"
+
 #define QSOUND_CLOCK 4000000    /* default 4MHz clock */
 
 #define QSOUND_CLOCKDIV 166     /* Clock divider */
@@ -55,7 +57,7 @@ struct QSOUND_CHANNEL
 // ======================> qsound_device
 
 class qsound_device : public device_t,
-						public device_sound_interface
+					  public device_sound_interface
 {
 public:
 	qsound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
@@ -63,6 +65,8 @@ public:
 
 protected:
 	// device-level overrides
+	const rom_entry *device_rom_region() const;
+	machine_config_constructor device_mconfig_additions() const;
 	virtual void device_start();
 	virtual void device_stop();
 
@@ -82,6 +86,7 @@ private:
 	QSOUND_CHANNEL m_channel[QSOUND_CHANNELS];
 	UINT32 m_sample_rom_length;
 	QSOUND_SRC_SAMPLE *m_sample_rom;    // Q sound sample ROM
+	dsp16_device *m_cpu;
 
 	int m_pan_table[33];    // Pan volume table
 	float m_frq_ratio;      // Frequency ratio

src/emu/sound/sound.mak

@@ -444,7 +444,7 @@ SOUNDOBJS += $(SOUNDOBJ)/qs1000.o
 #-------------------------------------------------
 
 ifneq ($(filter QSOUND,$(SOUNDS)),)
-SOUNDOBJS += $(SOUNDOBJ)/qsound.o
+SOUNDOBJS += $(SOUNDOBJ)/qsound.o $(CPUOBJ)/dsp16/dsp16.o $(CPUOBJ)/dsp16/dsp16dis.o
 endif