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/***************************************************************************
votrax.c
Hacked up votrax simulator that maps to samples, until a real one
is written.
****************************************************************************
Copyright Aaron Giles
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name 'MAME' nor the names of its contributors may be
used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
***************************************************************************/
#include "emu.h"
#include "votrax.h"
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
// device type definition
const device_type VOTRAX = &device_creator<votrax_device>;
const char *const votrax_device::s_phoneme_table[64] =
{
"EH3", "EH2", "EH1", " "/*PA0*/"DT", "A1", "A2", "ZH",
"AH2", "I3", "I2", "I1", "M", "N", "B", "V",
"CH", "SH", "Z", "AW1", "NG", "AH1", "OO1", "OO",
"L", "K", "J", "H", "G", "F", "D", "S",
"A", "AY", "Y1", "UH3", "AH", "P", "O", "I",
"U", "Y", "T", "R", "E", "W", "AE", "AE1",
"AW2", "UH2", "UH1", "UH", "O2", "O1", "IU", "U1",
"THV", "TH", "ER", "EH", "E1", "AW", " "/*PA1*/, "."/*STOP*/
};
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// votrax_device - constructor
//-------------------------------------------------
votrax_device::votrax_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: samples_device(mconfig, VOTRAX, "VOTRAX SC-01", tag, owner, clock)
{
}
//-------------------------------------------------
// static_set_interface - configuration helper
// to set the interface
//-------------------------------------------------
void votrax_device::static_set_interface(device_t &device, const votrax_interface &interface)
{
votrax_device &samples = downcast<votrax_device &>(device);
static_cast<votrax_interface &>(samples) = interface;
}
//**************************************************************************
// READ/WRITE HANDLERS
//**************************************************************************
//-------------------------------------------------
// write - handle a write to the control register
//-------------------------------------------------
WRITE8_MEMBER( votrax_device::write )
{
// append to the current string
m_current.cat(s_phoneme_table[data & 0x3f]);
// look for a match in our sample table
for (int index = 0; m_votrax_map[index].phoneme != NULL; index++)
if (m_current.find(m_votrax_map[index].phoneme) != -1)
{
// if we found it, play the corresponding sample and flush the buffer
start(0, index);
m_current.replace(m_votrax_map[index].phoneme, "");
m_current.trimspace();
if (m_current.len() > 0)
mame_printf_warning("Votrax missed partial match: %s\n", m_current.cstr());
m_current.reset();
return;
}
// if we got a stop and didn't find a match, print it
if ((data & 0x3f) == 0x3f)
{
mame_printf_warning("Votrax missed match: %s\n", m_current.cstr());
m_current.reset();
}
}
//-------------------------------------------------
// status - read the status line
//-------------------------------------------------
READ_LINE_MEMBER( votrax_device::status )
{
// is this correct, or is it really a ready line and should be inverted?
return (m_current.len() > 0 || playing(0)) ? ASSERT_LINE : CLEAR_LINE;
}
//**************************************************************************
// DEVICE INTERFACE
//**************************************************************************
//-------------------------------------------------
// device_start - handle device startup
//-------------------------------------------------
void votrax_device::device_start()
{
// build up a samples list
for (const votrax_map *curmap = m_votrax_map; curmap->phoneme != NULL; curmap++)
m_sample_list.append((curmap->samplename != NULL) ? curmap->samplename : "");
// create the samples interface
m_channels = 1;
m_names = m_sample_list;
m_start = NULL;
// let the samples device do the rest
samples_device::device_start();
}
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