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bus/electron: Added Millsgrade Voxbox Speech Synthesiser.

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This commit is contained in:
Nigel Barnes 2022-10-18 20:13:34 +01:00
parent c5f948e3e2
commit 4c776b71ba
4 changed files with 158 additions and 2 deletions
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2
scripts/src/bus.lua
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@ -1242,6 +1242,8 @@ if (BUSES["ELECTRON"]~=null) then
MAME_DIR .. "src/devices/bus/electron/romboxp.h",
MAME_DIR .. "src/devices/bus/electron/sidewndr.cpp",
MAME_DIR .. "src/devices/bus/electron/sidewndr.h",
MAME_DIR .. "src/devices/bus/electron/voxbox.cpp",
MAME_DIR .. "src/devices/bus/electron/voxbox.h",
MAME_DIR .. "src/devices/bus/electron/m2105.cpp",
MAME_DIR .. "src/devices/bus/electron/m2105.h",
}

4
src/devices/bus/electron/exp.cpp
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@ -114,7 +114,7 @@ void electron_expansion_slot_device::expbus_w(offs_t offset, uint8_t data)
#include "romboxp.h"
#include "sidewndr.h"
#include "m2105.h"
//#include "voxbox.h"
#include "voxbox.h"
void electron_expansion_devices(device_slot_interface &device)
@ -136,5 +136,5 @@ void electron_expansion_devices(device_slot_interface &device)
device.option_add("romboxp", ELECTRON_ROMBOXP);
device.option_add("sidewndr", ELECTRON_SIDEWNDR);
device.option_add("m2105", ELECTRON_M2105);
//device.option_add("voxbox", ELECTRON_VOXBOX);
device.option_add("voxbox", ELECTRON_VOXBOX);
}

100
src/devices/bus/electron/voxbox.cpp Normal file
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@ -0,0 +1,100 @@
// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
Millsgrade Voxbox Speech Synthesiser
**********************************************************************/
#include "emu.h"
#include "voxbox.h"
#include "speaker.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(ELECTRON_VOXBOX, electron_voxbox_device, "electron_voxbox", "Millsgrade Voxbox Speech Synthesiser")
//-------------------------------------------------
// ROM( voxbox )
//-------------------------------------------------
ROM_START( voxbox )
ROM_REGION(0x10000, "sp0256", 0)
ROM_LOAD( "sp0256a-al2.bin", 0x1000, 0x0800, CRC(b504ac15) SHA1(e60fcb5fa16ff3f3b69d36c7a6e955744d3feafc) )
ROM_END
//-------------------------------------------------
// rom_region - device-specific ROM region
//-------------------------------------------------
const tiny_rom_entry *electron_voxbox_device::device_rom_region() const
{
return ROM_NAME( voxbox );
}
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void electron_voxbox_device::device_add_mconfig(machine_config &config)
{
SPEAKER(config, "mono").front_center();
SP0256(config, m_nsp, DERIVED_CLOCK(1, 4));
m_nsp->data_request_callback().set(FUNC(electron_voxbox_device::lrq_cb));
m_nsp->add_route(ALL_OUTPUTS, "mono", 1.0);
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// electron_voxbox_device - constructor
//-------------------------------------------------
electron_voxbox_device::electron_voxbox_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, ELECTRON_VOXBOX, tag, owner, clock)
, device_electron_expansion_interface(mconfig, *this)
, m_nsp(*this, "sp0256")
, m_nmi(1)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void electron_voxbox_device::device_start()
{
save_item(NAME(m_nmi));
}
//-------------------------------------------------
// expbus_w - expansion data write
//-------------------------------------------------
void electron_voxbox_device::expbus_w(offs_t offset, uint8_t data)
{
if ((offset & 0xff00) == 0xc000)
{
m_nsp->ald_w(offset & 0x3f);
}
}
WRITE_LINE_MEMBER(electron_voxbox_device::lrq_cb)
{
if (state != m_nmi)
{
m_nmi = state;
m_slot->nmi_w(state);
}
}

54
src/devices/bus/electron/voxbox.h Normal file
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@ -0,0 +1,54 @@
// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
Millsgrade Voxbox Speech Synthesiser
**********************************************************************/
#ifndef MAME_BUS_ELECTRON_VOXBOX_H
#define MAME_BUS_ELECTRON_VOXBOX_H
#pragma once
#include "exp.h"
#include "sound/sp0256.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> electron_voxbox_device
class electron_voxbox_device : public device_t, public device_electron_expansion_interface
{
public:
// construction/destruction
electron_voxbox_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
virtual void expbus_w(offs_t offset, uint8_t data) override;
protected:
// device-level overrides
virtual void device_start() override;
private:
required_device<sp0256_device> m_nsp;
DECLARE_WRITE_LINE_MEMBER(lrq_cb);
int m_nmi;
};
// device type definition
DECLARE_DEVICE_TYPE(ELECTRON_VOXBOX, electron_voxbox_device)
#endif // MAME_BUS_ELECTRON_VOXBOX_H