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/**********************************************************************
Commodore VIC-1010 Expansion Module emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#include "vic1010.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type VIC1010 = &device_creator<vic1010_device>;
//-------------------------------------------------
// MACHINE_DRIVER( vic1010 )
//-------------------------------------------------
static MACHINE_CONFIG_FRAGMENT( vic1010 )
MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot1")
MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot2")
MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot3")
MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot4")
MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot5")
MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot6")
MACHINE_CONFIG_END
//-------------------------------------------------
// machine_config_additions - device-specific
// machine configurations
//-------------------------------------------------
machine_config_constructor vic1010_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( vic1010 );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// vic1010_device - constructor
//-------------------------------------------------
vic1010_device::vic1010_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, VIC1010, "VIC1010", tag, owner, clock, "vic1010", __FILE__),
device_vic20_expansion_card_interface(mconfig, *this),
m_slot1(*this, "slot1"),
m_slot2(*this, "slot2"),
m_slot3(*this, "slot3"),
m_slot4(*this, "slot4"),
m_slot5(*this, "slot5"),
m_slot6(*this, "slot6")
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void vic1010_device::device_start()
{
// find devices
m_expansion_slot[0] = m_slot1;
m_expansion_slot[1] = m_slot2;
m_expansion_slot[2] = m_slot3;
m_expansion_slot[3] = m_slot4;
m_expansion_slot[4] = m_slot5;
m_expansion_slot[5] = m_slot6;
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void vic1010_device::device_reset()
{
for (int i = 0; i < MAX_SLOTS; i++)
{
m_expansion_slot[i]->reset();
}
}
//-------------------------------------------------
// vic20_cd_r - cartridge data read
//-------------------------------------------------
UINT8 vic1010_device::vic20_cd_r(address_space &space, offs_t offset, UINT8 data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3)
{
for (int i = 0; i < MAX_SLOTS; i++)
{
UINT8 slot_data = m_expansion_slot[i]->cd_r(space, offset, data, ram1, ram2, ram3, blk1, blk2, blk3, blk5, io2, io3);
if (data != slot_data)
{
data = slot_data;
}
}
return data;
}
//-------------------------------------------------
// vic20_cd_w - cartridge data write
//-------------------------------------------------
void vic1010_device::vic20_cd_w(address_space &space, offs_t offset, UINT8 data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3)
{
for (int i = 0; i < MAX_SLOTS; i++)
{
m_expansion_slot[i]->cd_w(space, offset, data, ram1, ram2, ram3, blk1, blk2, blk3, blk5, io2, io3);
}
}
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