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/***************************************************************************
z88_flash.c
Z88 Flash cartridges emulation
***************************************************************************/
#include "emu.h"
#include "z88_flash.h"
//**************************************************************************
// MACROS/CONSTANTS
//**************************************************************************
#define FLASH_TAG "flash"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type Z88_1024K_FLASH = &device_creator<z88_1024k_flash_device>;
//-------------------------------------------------
// MACHINE_CONFIG_FRAGMENT( z88_flash )
//-------------------------------------------------
static MACHINE_CONFIG_FRAGMENT(z88_flash)
MCFG_INTEL_E28F008SA_ADD(FLASH_TAG)
MACHINE_CONFIG_END
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// z88_1024k_flash_device - constructor
//-------------------------------------------------
z88_1024k_flash_device::z88_1024k_flash_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, Z88_1024K_FLASH, "Z88 1024KB Flash", tag, owner, clock),
device_z88cart_interface( mconfig, *this ),
m_flash(*this, FLASH_TAG)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void z88_1024k_flash_device::device_start()
{
}
//-------------------------------------------------
// device_mconfig_additions
//-------------------------------------------------
machine_config_constructor z88_1024k_flash_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( z88_flash );
}
/*-------------------------------------------------
get_cart_base
-------------------------------------------------*/
UINT8* z88_1024k_flash_device::get_cart_base()
{
return (UINT8*)m_flash->space().get_read_ptr(0);
}
/*-------------------------------------------------
read
-------------------------------------------------*/
READ8_MEMBER(z88_1024k_flash_device::read)
{
return m_flash->read(offset & (get_cart_size() - 1));
}
/*-------------------------------------------------
write
-------------------------------------------------*/
WRITE8_MEMBER(z88_1024k_flash_device::write)
{
m_flash->write(offset & (get_cart_size() - 1), data);
}
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