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-rw-r--r--src/devices/sound/pcd3311.cpp56
-rw-r--r--src/devices/sound/pcd3311.h67
-rw-r--r--src/emu/drivers/xtal.h1
-rw-r--r--src/mame/drivers/pofo.cpp44
4 files changed, 148 insertions, 20 deletions
diff --git a/src/devices/sound/pcd3311.cpp b/src/devices/sound/pcd3311.cpp
new file mode 100644
index 00000000000..840cdb7ee2f
--- /dev/null
+++ b/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)
+{
+}
diff --git a/src/devices/sound/pcd3311.h b/src/devices/sound/pcd3311.h
new file mode 100644
index 00000000000..2c50a0a987a
--- /dev/null
+++ b/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
diff --git a/src/emu/drivers/xtal.h b/src/emu/drivers/xtal.h
index 5cb8b901db8..c74c9ec24b8 100644
--- a/src/emu/drivers/xtal.h
+++ b/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,
diff --git a/src/mame/drivers/pofo.cpp b/src/mame/drivers/pofo.cpp
index 367af13c7ab..57cd2d30ad9 100644
--- a/src/mame/drivers/pofo.cpp
+++ b/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
- 1
- 2
- 3
- 4
- 5
- 6
- 7 speaker level
+ 0 PCD3311T D0
+ 1 PCD3311T D1
+ 2 PCD3311T D2
+ 3 PCD3311T D3
+ 4 PCD3311T D4
+ 5 PCD3311T D5
+ 6 PCD3311T STROBE
+ 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 )