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// license:LGPL-2.1+
// copyright-holders:Michael Zapf
/****************************************************************************
SNUG HSGPL card emulation.
See hsgpl.c for documentation
Original code by Raphael Nabet, 2003.
Michael Zapf
October 2010: Rewritten as device
February 2012: Rewritten as class
*****************************************************************************/
#ifndef MAME_BUS_TI99_PEB_HSGPL_H
#define MAME_BUS_TI99_PEB_HSGPL_H
#pragma once
#include "peribox.h"
#include "machine/at29x.h"
#include "machine/ram.h"
namespace bus::ti99::peb {
class snug_high_speed_gpl_device : public device_t, public device_ti99_peribox_card_interface
{
public:
snug_high_speed_gpl_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
void readz(offs_t offset, uint8_t *value) override;
void write(offs_t offset, uint8_t data) override;
void crureadz(offs_t offset, uint8_t *value) override;
void cruwrite(offs_t offset, uint8_t data) override;
protected:
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_stop() override;
virtual ioport_constructor device_input_ports() const override;
virtual void device_add_mconfig(machine_config &config) override;
private:
required_device<at29c040a_device> m_dsr_eeprom;
required_device<at29c040a_device> m_rom6_eeprom;
required_device<at29c040a_device> m_grom_a_eeprom;
required_device<at29c040a_device> m_grom_b_eeprom;
required_device<ram_device> m_ram6_memory;
required_device<ram_device> m_gram_memory;
void dsrspace_readz(offs_t offset, uint8_t* value);
void cartspace_readz(offs_t offset, uint8_t* value);
void grom_readz(offs_t offset, uint8_t* value);
void cartspace_write(offs_t offset, uint8_t data);
void grom_write(offs_t offset, uint8_t data);
bool m_dsr_enabled;
bool m_gram_enabled;
bool m_bank_inhibit;
int m_dsr_page;
bool m_card_enabled;
bool m_write_enabled;
bool m_supercart_enabled;
bool m_led_on;
bool m_mbx_enabled;
bool m_ram_enabled;
bool m_flash_mode;
int m_current_grom_port;
int m_current_bank;
int m_module_bank;
// GROM emulation
bool m_waddr_LSB;
bool m_raddr_LSB;
int m_grom_address;
};
} // end namespace bus::ti99::peb
DECLARE_DEVICE_TYPE_NS(TI99_HSGPL, bus::ti99::peb, snug_high_speed_gpl_device)
#endif // MAME_BUS_TI99_PEB_HSGPL_H
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