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// license:BSD-3-Clause
// copyright-holders:smf
/**********************************************************************
Personal Peripheral Products Speakeasy cartridge emulation
(aka Protecto Enterprizes VIC-20 Voice Synthesizer)
**********************************************************************/
#include "emu.h"
#include "speakeasy.h"
#include "speaker.h"
//**************************************************************************
// MACROS/CONSTANTS
//**************************************************************************
#define SC01A_TAG "sc01a"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(VIC20_SPEAKEASY, vic20_speakeasy_device, "vic20_speakeasy", "PPP Speakeasy VIC-20")
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void vic20_speakeasy_device::device_add_mconfig(machine_config &config)
{
SPEAKER(config, "mono").front_center();
VOTRAX_SC01(config, m_votrax, 720000).add_route(ALL_OUTPUTS, "mono", 0.85);
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// vic20_speakeasy_device - constructor
//-------------------------------------------------
vic20_speakeasy_device::vic20_speakeasy_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, VIC20_SPEAKEASY, tag, owner, clock),
device_vic20_expansion_card_interface(mconfig, *this),
m_votrax(*this, SC01A_TAG)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void vic20_speakeasy_device::device_start()
{
}
//-------------------------------------------------
// vic20_cd_r - cartridge data read
//-------------------------------------------------
uint8_t vic20_speakeasy_device::vic20_cd_r(offs_t offset, uint8_t data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3)
{
if (!io2)
{
return m_votrax->request() << 7;
}
return data;
}
//-------------------------------------------------
// vic20_cd_w - cartridge data write
//-------------------------------------------------
void vic20_speakeasy_device::vic20_cd_w(offs_t offset, uint8_t data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3)
{
if (!io2)
{
m_votrax->write(data & 0x3f);
m_votrax->inflection_w(data >> 6);
}
}
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