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https://github.com/holub/mame
synced 2025-04-19 23:12:11 +03:00
pofo: Added skeleton for PCD3311T sound chip. (nw)
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Curt Coder
parent
d37c65b787
commit
8bf6e9ebb5
@ -1352,6 +1352,7 @@ if (SOUNDS["UPD1771"]~=null) then
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MAME_DIR .. "src/devices/sound/upd1771.h",
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}
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end
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---------------------------------------------------
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-- GB_SOUND
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--@src/devices/sound/gb.h,SOUNDS["GB_SOUND"] = true
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@ -1363,3 +1364,15 @@ if (SOUNDS["GB_SOUND"]~=null) then
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MAME_DIR .. "src/devices/sound/gb.h",
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}
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end
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---------------------------------------------------
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-- PCD3311
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--@src/devices/sound/gb.h,SOUNDS["PCD3311"] = true
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---------------------------------------------------
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if (SOUNDS["PCD3311"]~=null) then
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files {
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MAME_DIR .. "src/devices/sound/pcd3311.cpp",
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MAME_DIR .. "src/devices/sound/pcd3311.h",
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}
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end
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@ -260,6 +260,8 @@ SOUNDS["ESQPUMP"] = true
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SOUNDS["VRC6"] = true
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SOUNDS["UPD1771"] = true
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SOUNDS["GB_SOUND"] = true
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SOUNDS["PCD3311"] = true
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--------------------------------------------------
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-- specify available video cores
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--------------------------------------------------
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56
src/devices/sound/pcd3311.cpp
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56
src/devices/sound/pcd3311.cpp
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@ -0,0 +1,56 @@
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// license:BSD-3-Clause
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// copyright-holders:Curt Coder
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/**********************************************************************
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PCD3311 DTMF/modem/musical tone generator emulation
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**********************************************************************/
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#include "pcd3311.h"
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type PCD3311 = &device_creator<pcd3311_t>;
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// pcd3311_t - constructor
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//-------------------------------------------------
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pcd3311_t::pcd3311_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, PCD3311, "PCD3311", tag, owner, clock, "pcd3311", __FILE__),
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device_sound_interface(mconfig, *this)
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void pcd3311_t::device_start()
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{
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save_item(NAME(m_a0));
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save_item(NAME(m_mode));
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save_item(NAME(m_strobe));
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save_item(NAME(m_data));
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}
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//-------------------------------------------------
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// sound_stream_update - handle update requests for
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// our sound stream
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//-------------------------------------------------
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void pcd3311_t::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
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{
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}
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67
src/devices/sound/pcd3311.h
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67
src/devices/sound/pcd3311.h
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@ -0,0 +1,67 @@
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// license:BSD-3-Clause
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// copyright-holders:Curt Coder
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/**********************************************************************
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PCD3311 DTMF/modem/musical tone generator emulation
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**********************************************************************
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_____ _____
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OSCI 1 |* \_/ | 16 Vdd
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OSCO 2 | | 15 Vss
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MODE 3 | | 14 D4
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D5 4 | PCD3311T | 13 N/C
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N/C 5 | | 12 D3
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STROBE 6 | | 11 D2
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TONE 7 | | 10 D1/SDA
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A0 8 |_____________| 9 D0/SCL
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**********************************************************************/
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#pragma once
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#ifndef __PCD3311__
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#define __PCD3311__
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#include "emu.h"
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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// ======================> pcd3311_t
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class pcd3311_t : public device_t,
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public device_sound_interface
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{
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public:
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// construction/destruction
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pcd3311_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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DECLARE_WRITE8_MEMBER( write ) { m_data = data; }
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DECLARE_WRITE_LINE_MEMBER( strobe_w ) { m_strobe = state; }
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DECLARE_WRITE_LINE_MEMBER( mode_w ) { m_mode = state; }
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DECLARE_WRITE_LINE_MEMBER( a0_w ) { m_a0 = state; }
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protected:
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// device-level overrides
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virtual void device_start() override;
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// internal callbacks
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virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
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private:
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int m_a0;
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int m_mode;
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int m_strobe;
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UINT8 m_data;
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};
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// device type definition
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extern const device_type PCD3311;
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#endif
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@ -60,6 +60,7 @@ enum
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XTAL_3_12MHz = 3120000, /* SP0250 clock on Gottlieb games */
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XTAL_3_5MHz = 3500000, /* Reported by Commodore 65 document, true xtal unchecked on PCB */
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XTAL_3_52128MHz = 3521280, /* RCA COSMAC VIP */
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XTAL_3_57864MHz = 3578640, /* Atari Portfolio PCD3311T */
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XTAL_3_579545MHz = 3579545, /* NTSC color subcarrier, extremely common, used on 100's of PCBs (Keytronic custom part #48-300-010 is equivalent) */
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XTAL_3_6864MHz = 3686400, /* CPS3 */
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XTAL_4MHz = 4000000,
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@ -40,7 +40,7 @@
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#include "bus/pofo/exp.h"
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#include "machine/nvram.h"
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#include "machine/ram.h"
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#include "sound/speaker.h"
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#include "sound/pcd3311.h"
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#include "video/hd61830.h"
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@ -53,6 +53,7 @@
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#define M80C88A_TAG "u1"
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#define HD61830_TAG "hd61830"
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#define PCD3311T_TAG "pcd3311t"
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#define TIMER_TICK_TAG "tick"
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#define SCREEN_TAG "screen"
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@ -71,7 +72,7 @@ public:
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driver_device(mconfig, type, tag),
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m_maincpu(*this, M80C88A_TAG),
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m_lcdc(*this, HD61830_TAG),
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m_speaker(*this, "speaker"),
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m_dtmf(*this, PCD3311T_TAG),
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m_ccm(*this, PORTFOLIO_MEMORY_CARD_SLOT_A_TAG),
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m_exp(*this, PORTFOLIO_EXPANSION_SLOT_TAG),
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m_timer_tick(*this, TIMER_TICK_TAG),
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@ -93,7 +94,7 @@ public:
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required_device<cpu_device> m_maincpu;
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required_device<hd61830_device> m_lcdc;
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required_device<speaker_sound_device> m_speaker;
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required_device<pcd3311_t> m_dtmf;
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required_device<portfolio_memory_card_slot_t> m_ccm;
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required_device<portfolio_expansion_slot_t> m_exp;
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required_device<timer_device> m_timer_tick;
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@ -146,7 +147,7 @@ public:
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DECLARE_READ8_MEMBER( counter_r );
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DECLARE_WRITE8_MEMBER( irq_mask_w );
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DECLARE_WRITE8_MEMBER( speaker_w );
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DECLARE_WRITE8_MEMBER( dtmf_w );
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DECLARE_WRITE8_MEMBER( power_w );
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DECLARE_WRITE8_MEMBER( select_w );
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DECLARE_WRITE8_MEMBER( counter_w );
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@ -356,33 +357,36 @@ READ8_MEMBER( portfolio_state::keyboard_r )
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//**************************************************************************
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// INTERNAL SPEAKER
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// SOUND
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//**************************************************************************
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//-------------------------------------------------
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// speaker_w - internal speaker output
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// dtmf_w -
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//-------------------------------------------------
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WRITE8_MEMBER( portfolio_state::speaker_w )
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WRITE8_MEMBER( portfolio_state::dtmf_w )
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{
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/*
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bit description
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0
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1
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2
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3
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4
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5
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6
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7 speaker level
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0 PCD3311T D0
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1 PCD3311T D1
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2 PCD3311T D2
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3 PCD3311T D3
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4 PCD3311T D4
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5 PCD3311T D5
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6 PCD3311T STROBE
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7 PCD3311T VDD,MODE,A0
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*/
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if (LOG) logerror("%s %s SPEAKER %02x\n", machine().time().as_string(), machine().describe_context(), data);
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if (LOG) logerror("%s %s DTMF %02x\n", machine().time().as_string(), machine().describe_context(), data);
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m_speaker->level_w(!BIT(data, 7));
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m_dtmf->mode_w(!BIT(data, 7));
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m_dtmf->a0_w(!BIT(data, 7));
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m_dtmf->write(space, 0, data & 0x3f);
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m_dtmf->strobe_w(BIT(data, 6));
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}
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@ -735,7 +739,7 @@ WRITE8_MEMBER( portfolio_state::io_w )
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break;
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case 2:
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speaker_w(space, 0, data);
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dtmf_w(space, 0, data);
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break;
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case 3:
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@ -1041,7 +1045,7 @@ static MACHINE_CONFIG_START( portfolio, portfolio_state )
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// sound hardware
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MCFG_SPEAKER_STANDARD_MONO("mono")
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MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
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MCFG_SOUND_ADD(PCD3311T_TAG, PCD3311, XTAL_3_57864MHz)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
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// devices
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@ -1096,4 +1100,4 @@ ROM_END
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//**************************************************************************
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// YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS
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COMP( 1989, pofo, 0, 0, portfolio, portfolio, driver_device, 0, "Atari", "Portfolio", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )
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COMP( 1989, pofo, 0, 0, portfolio, portfolio, driver_device, 0, "Atari", "Portfolio", MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
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