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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
Robin Voice Box - The Educational Software Company
**********************************************************************/
#include "emu.h"
#include "voicebox.h"
#include "speaker.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(BBC_VOICEBOX, bbc_voicebox_device, "bbc_voicebox", "Robin Voice Box")
ROM_START(voicebox)
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 *bbc_voicebox_device::device_rom_region() const
{
return ROM_NAME(voicebox);
}
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void bbc_voicebox_device::device_add_mconfig(machine_config &config)
{
SPEAKER(config, "mono").front_center();
SP0256(config, m_nsp, XTAL::u(3120000)); // TODO: unknown crystal
m_nsp->data_request_callback().set(DEVICE_SELF_OWNER, FUNC(bbc_userport_slot_device::cb1_w)).invert();
m_nsp->add_route(ALL_OUTPUTS, "mono", 1.0);
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// bbc_voicebox_device - constructor
//-------------------------------------------------
bbc_voicebox_device::bbc_voicebox_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock)
: device_t(mconfig, BBC_VOICEBOX, tag, owner, clock)
, device_bbc_userport_interface(mconfig, *this)
, m_nsp(*this, "sp0256")
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void bbc_voicebox_device::device_start()
{
}
//**************************************************************************
// IMPLEMENTATION
//**************************************************************************
void bbc_voicebox_device::pb_w(uint8_t data)
{
m_nsp->ald_w(data & 0x3f);
}
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