pofo: Added skeleton for PCD3311T sound chip. (nw)

scripts/src/sound.lua

@@ -1352,6 +1352,7 @@ if (SOUNDS["UPD1771"]~=null) then
 		MAME_DIR .. "src/devices/sound/upd1771.h",
 	}
 end
+
 ---------------------------------------------------
 -- GB_SOUND
 --@src/devices/sound/gb.h,SOUNDS["GB_SOUND"] = true
@@ -1363,3 +1364,15 @@ if (SOUNDS["GB_SOUND"]~=null) then
 		MAME_DIR .. "src/devices/sound/gb.h",
 	}
 end
+
+---------------------------------------------------
+-- PCD3311
+--@src/devices/sound/gb.h,SOUNDS["PCD3311"] = true
+---------------------------------------------------
+
+if (SOUNDS["PCD3311"]~=null) then
+	files {
+		MAME_DIR .. "src/devices/sound/pcd3311.cpp",
+		MAME_DIR .. "src/devices/sound/pcd3311.h",
+	}
+end

scripts/target/mame/mess.lua

@@ -260,6 +260,8 @@ SOUNDS["ESQPUMP"] = true
 SOUNDS["VRC6"] = true
 SOUNDS["UPD1771"] = true
 SOUNDS["GB_SOUND"] = true
+SOUNDS["PCD3311"] = true
+
 --------------------------------------------------
 -- specify available video cores
 --------------------------------------------------

src/devices/sound/pcd3311.cpp

@@ -0,0 +1,56 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+	PCD3311 DTMF/modem/musical tone generator emulation
+
+**********************************************************************/
+
+#include "pcd3311.h"
+
+
+
+//**************************************************************************
+//  DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type PCD3311 = &device_creator<pcd3311_t>;
+
+
+
+//**************************************************************************
+//  LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+//  pcd3311_t - constructor
+//-------------------------------------------------
+
+pcd3311_t::pcd3311_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+	device_t(mconfig, PCD3311, "PCD3311", tag, owner, clock, "pcd3311", __FILE__),
+	device_sound_interface(mconfig, *this)
+{
+}
+
+
+//-------------------------------------------------
+//  device_start - device-specific startup
+//-------------------------------------------------
+
+void pcd3311_t::device_start()
+{
+	save_item(NAME(m_a0));
+	save_item(NAME(m_mode));
+	save_item(NAME(m_strobe));
+	save_item(NAME(m_data));
+}
+
+
+//-------------------------------------------------
+//  sound_stream_update - handle update requests for
+//  our sound stream
+//-------------------------------------------------
+
+void pcd3311_t::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
+{
+}

src/devices/sound/pcd3311.h

@@ -0,0 +1,67 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+	PCD3311 DTMF/modem/musical tone generator emulation
+
+**********************************************************************
+                            _____   _____
+                  OSCI   1 |*    \_/     | 16  Vdd
+                  OSCO   2 |             | 15  Vss
+                  MODE   3 |             | 14  D4
+                    D5   4 |  PCD3311T   | 13  N/C
+                   N/C   5 |             | 12  D3
+                STROBE   6 |             | 11  D2
+                  TONE   7 |             | 10  D1/SDA
+                    A0   8 |_____________| 9   D0/SCL
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __PCD3311__
+#define __PCD3311__
+
+#include "emu.h"
+
+
+
+//**************************************************************************
+//  TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> pcd3311_t
+
+class pcd3311_t :  public device_t,
+				   public device_sound_interface
+{
+public:
+	// construction/destruction
+	pcd3311_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+	DECLARE_WRITE8_MEMBER( write ) { m_data = data; }
+	DECLARE_WRITE_LINE_MEMBER( strobe_w ) { m_strobe = state; }
+	DECLARE_WRITE_LINE_MEMBER( mode_w ) { m_mode = state; }
+	DECLARE_WRITE_LINE_MEMBER( a0_w ) { m_a0 = state; }
+
+protected:
+	// device-level overrides
+	virtual void device_start() override;
+
+	// internal callbacks
+	virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
+
+private:
+	int m_a0;
+	int m_mode;
+	int m_strobe;
+	UINT8 m_data;
+};
+
+
+// device type definition
+extern const device_type PCD3311;
+
+
+
+#endif

src/emu/drivers/xtal.h

@@ -60,6 +60,7 @@ enum
 	XTAL_3_12MHz        = 3120000,      /* SP0250 clock on Gottlieb games */
 	XTAL_3_5MHz         = 3500000,      /* Reported by Commodore 65 document, true xtal unchecked on PCB */
 	XTAL_3_52128MHz     = 3521280,      /* RCA COSMAC VIP */
+	XTAL_3_57864MHz		= 3578640,		/* Atari Portfolio PCD3311T */
 	XTAL_3_579545MHz    = 3579545,      /* NTSC color subcarrier, extremely common, used on 100's of PCBs (Keytronic custom part #48-300-010 is equivalent) */
 	XTAL_3_6864MHz      = 3686400,      /* CPS3 */
 	XTAL_4MHz           = 4000000,

src/mame/drivers/pofo.cpp

@@ -40,7 +40,7 @@
 #include "bus/pofo/exp.h"
 #include "machine/nvram.h"
 #include "machine/ram.h"
-#include "sound/speaker.h"
+#include "sound/pcd3311.h"
 #include "video/hd61830.h"
 
 
@@ -53,6 +53,7 @@
 
 #define M80C88A_TAG     "u1"
 #define HD61830_TAG     "hd61830"
+#define PCD3311T_TAG	"pcd3311t"
 #define TIMER_TICK_TAG  "tick"
 #define SCREEN_TAG      "screen"
 
@@ -71,7 +72,7 @@ public:
 		driver_device(mconfig, type, tag),
 		m_maincpu(*this, M80C88A_TAG),
 		m_lcdc(*this, HD61830_TAG),
-		m_speaker(*this, "speaker"),
+		m_dtmf(*this, PCD3311T_TAG),
 		m_ccm(*this, PORTFOLIO_MEMORY_CARD_SLOT_A_TAG),
 		m_exp(*this, PORTFOLIO_EXPANSION_SLOT_TAG),
 		m_timer_tick(*this, TIMER_TICK_TAG),
@@ -93,7 +94,7 @@ public:
 
 	required_device<cpu_device> m_maincpu;
 	required_device<hd61830_device> m_lcdc;
-	required_device<speaker_sound_device> m_speaker;
+	required_device<pcd3311_t> m_dtmf;
 	required_device<portfolio_memory_card_slot_t> m_ccm;
 	required_device<portfolio_expansion_slot_t> m_exp;
 	required_device<timer_device> m_timer_tick;
@@ -146,7 +147,7 @@ public:
 	DECLARE_READ8_MEMBER( counter_r );
 
 	DECLARE_WRITE8_MEMBER( irq_mask_w );
-	DECLARE_WRITE8_MEMBER( speaker_w );
+	DECLARE_WRITE8_MEMBER( dtmf_w );
 	DECLARE_WRITE8_MEMBER( power_w );
 	DECLARE_WRITE8_MEMBER( select_w );
 	DECLARE_WRITE8_MEMBER( counter_w );
@@ -356,33 +357,36 @@ READ8_MEMBER( portfolio_state::keyboard_r )
 
 
 //**************************************************************************
-//  INTERNAL SPEAKER
+//  SOUND
 //**************************************************************************
 
 //-------------------------------------------------
-//  speaker_w - internal speaker output
+//  dtmf_w -
 //-------------------------------------------------
 
-WRITE8_MEMBER( portfolio_state::speaker_w )
+WRITE8_MEMBER( portfolio_state::dtmf_w )
 {
 	/*
 
 	    bit     description
 
-	    0
+	    0		PCD3311T D0
-	    1
+	    1		PCD3311T D1
-	    2
+	    2		PCD3311T D2
-	    3
+	    3		PCD3311T D3
-	    4
+	    4		PCD3311T D4
-	    5
+	    5		PCD3311T D5
-	    6
+	    6		PCD3311T STROBE
-	    7       speaker level
+	    7       PCD3311T VDD,MODE,A0
 
 	*/
 
-	if (LOG) logerror("%s %s SPEAKER %02x\n", machine().time().as_string(), machine().describe_context(), data);
+	if (LOG) logerror("%s %s DTMF %02x\n", machine().time().as_string(), machine().describe_context(), data);
 
-	m_speaker->level_w(!BIT(data, 7));
+	m_dtmf->mode_w(!BIT(data, 7));
+	m_dtmf->a0_w(!BIT(data, 7));
+	m_dtmf->write(space, 0, data & 0x3f);
+	m_dtmf->strobe_w(BIT(data, 6));
 }
 
 
@@ -735,7 +739,7 @@ WRITE8_MEMBER( portfolio_state::io_w )
 			break;
 		
 		case 2:
-			speaker_w(space, 0, data);
+			dtmf_w(space, 0, data);
 			break;
 		
 		case 3:
@@ -1041,7 +1045,7 @@ static MACHINE_CONFIG_START( portfolio, portfolio_state )
 
 	// sound hardware
 	MCFG_SPEAKER_STANDARD_MONO("mono")
-	MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
+	MCFG_SOUND_ADD(PCD3311T_TAG, PCD3311, XTAL_3_57864MHz)
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
 
 	// devices
@@ -1096,4 +1100,4 @@ ROM_END
 //**************************************************************************
 
 //    YEAR  NAME    PARENT  COMPAT  MACHINE     INPUT       INIT    COMPANY     FULLNAME        FLAGS
-COMP( 1989, pofo,   0,      0,      portfolio,  portfolio, driver_device,   0,  "Atari",    "Portfolio",    MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )
+COMP( 1989, pofo,   0,      0,      portfolio,  portfolio, driver_device,   0,  "Atari",    "Portfolio",    MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )