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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
/***********************************************************************************************************
Mattel Intellivoice cart emulation
TODO:
- speech ROM shall be loaded from softlist
***********************************************************************************************************/
#include "emu.h"
#include "voice.h"
//-------------------------------------------------
// intv_voice_device - constructor
//-------------------------------------------------
const device_type INTV_ROM_VOICE = &device_creator<intv_voice_device>;
intv_voice_device::intv_voice_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: intv_rom_device(mconfig, INTV_ROM_VOICE, "Intellivision Intellivoice Expansion", tag, owner, clock, "intv_voice", __FILE__),
m_speech(*this, "sp0256_speech"),
m_subslot(*this, "subslot"),
m_ramd0_enabled(false),
m_ram88_enabled(false)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void intv_voice_device::device_start()
{
}
void intv_voice_device::late_subslot_setup()
{
switch (m_subslot->get_type())
{
case INTV_RAM:
m_ramd0_enabled = true;
break;
case INTV_GFACT:
m_ram88_enabled = true;
break;
case INTV_VOICE:
printf("WARNING: You cannot connect serially multiple IntelliVoice units.\n");
printf("WARNING: Emulation will likely misbehave.\n");
break;
case INTV_ECS:
printf("WARNING: You cannot connect ECS to IntelliVoice in this manner.\n");
printf("WARNING: Emulation will likely misbehave.\n");
break;
case INTV_KEYCOMP:
printf("WARNING: You cannot connect the Keyboard component to the IntelliVoice unit.\n");
printf("WARNING: Emulation will likely misbehave.\n");
break;
}
}
//-------------------------------------------------
// MACHINE_CONFIG_FRAGMENT( intellivoice )
//-------------------------------------------------
static MACHINE_CONFIG_FRAGMENT( intellivoice )
MCFG_SPEAKER_STANDARD_MONO("mono_voice")
MCFG_SOUND_ADD("sp0256_speech", SP0256, 3120000)
/* The Intellivoice uses a speaker with its own volume control so the relative volumes to use are subjective */
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono_voice", 1.00)
MCFG_INTV_CARTRIDGE_ADD("subslot", intv_cart, nullptr)
MACHINE_CONFIG_END
//-------------------------------------------------
// machine_config_additions - device-specific
// machine configurations
//-------------------------------------------------
machine_config_constructor intv_voice_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( intellivoice );
}
ROM_START( intellivoice )
ROM_REGION( 0x10000, "sp0256_speech", 0 )
/* SP0256-012 Speech chip w/2KiB mask rom */
ROM_LOAD( "sp0256-012.bin", 0x1000, 0x0800, CRC(0de7579d) SHA1(618563e512ff5665183664f52270fa9606c9d289) )
ROM_END
const rom_entry *intv_voice_device::device_rom_region() const
{
return ROM_NAME( intellivoice );
}
/*-------------------------------------------------
read_audio
-------------------------------------------------*/
READ16_MEMBER(intv_voice_device::read_speech)
{
if (ACCESSING_BITS_0_7)
return m_speech->spb640_r(space, offset, mem_mask);
else
return 0xff;
}
/*-------------------------------------------------
write_audio
-------------------------------------------------*/
WRITE16_MEMBER(intv_voice_device::write_speech)
{
if (ACCESSING_BITS_0_7)
return m_speech->spb640_w(space, offset, data, mem_mask);
}
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