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// license:BSD-3-Clause
// copyright-holders:smf
/**********************************************************************
Personal Peripheral Products Speakeasy 64 cartridge emulation
**********************************************************************/
#include "emu.h"
#include "speakeasy.h"
#include "speaker.h"
//**************************************************************************
// MACROS/CONSTANTS
//**************************************************************************
#define SC01A_TAG "sc01a"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(C64_SPEAKEASY, c64_speakeasy_cartridge_device, "c64_speakeasy", "PPP Speakeasy 64")
//-------------------------------------------------
// MACHINE_DRIVER( speakeasy )
//-------------------------------------------------
static MACHINE_CONFIG_START( speakeasy )
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD(SC01A_TAG, VOTRAX_SC01, 720000)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.85)
MACHINE_CONFIG_END
//-------------------------------------------------
// machine_config_additions - device-specific
// machine configurations
//-------------------------------------------------
machine_config_constructor c64_speakeasy_cartridge_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( speakeasy );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// c64_speakeasy_cartridge_device - constructor
//-------------------------------------------------
c64_speakeasy_cartridge_device::c64_speakeasy_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, C64_SPEAKEASY, tag, owner, clock),
device_c64_expansion_card_interface(mconfig, *this),
m_votrax(*this, SC01A_TAG)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void c64_speakeasy_cartridge_device::device_start()
{
}
//-------------------------------------------------
// c64_cd_r - cartridge data read
//-------------------------------------------------
uint8_t c64_speakeasy_cartridge_device::c64_cd_r(address_space &space, offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2)
{
if (!io1)
{
return m_votrax->request() << 7;
}
return data;
}
//-------------------------------------------------
// c64_cd_w - cartridge data write
//-------------------------------------------------
void c64_speakeasy_cartridge_device::c64_cd_w(address_space &space, offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2)
{
if (!io1)
{
m_votrax->write(space, 0, data & 0x3f);
m_votrax->inflection_w(space, 0, data >> 6);
}
}
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