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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
#ifndef MAME_BUS_ASTROCADE_RAM_H
#define MAME_BUS_ASTROCADE_RAM_H
#pragma once
#include "exp.h"
#include "imagedev/cassette.h"
#include "machine/ins8154.h"
// ======================> astrocade_blueram_4k_device
class astrocade_blueram_4k_device : public device_t, public device_astrocade_exp_interface
{
public:
// construction/destruction
astrocade_blueram_4k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual ioport_constructor device_input_ports() const override ATTR_COLD;
// reading and writing
virtual uint8_t read(offs_t offset) override;
virtual void write(offs_t offset, uint8_t data) override;
virtual uint8_t read_io(offs_t offset) override;
virtual void write_io(offs_t offset, uint8_t data) override;
uint8_t porta_r();
uint8_t portb_r();
void porta_w(uint8_t data);
void portb_w(uint8_t data);
protected:
astrocade_blueram_4k_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
virtual void device_start() override { m_ram.resize(0x1000); save_item(NAME(m_ram)); }
virtual void device_reset() override { }
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
std::vector<uint8_t> m_ram;
required_ioport m_write_prot;
required_device<ins8154_device> m_ramio;
required_device<cassette_image_device> m_cassette;
};
// ======================> astrocade_blueram_16k_device
class astrocade_blueram_16k_device : public astrocade_blueram_4k_device
{
public:
// construction/destruction
astrocade_blueram_16k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual void device_start() override { m_ram.resize(0x4000); save_item(NAME(m_ram)); }
};
// ======================> astrocade_blueram_32k_device
class astrocade_blueram_32k_device : public astrocade_blueram_4k_device
{
public:
// construction/destruction
astrocade_blueram_32k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual void device_start() override { m_ram.resize(0x8000); save_item(NAME(m_ram)); }
};
// ======================> astrocade_viper_sys1_device
class astrocade_viper_sys1_device : public device_t, public device_astrocade_exp_interface
{
public:
// construction/destruction
astrocade_viper_sys1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual ioport_constructor device_input_ports() const override ATTR_COLD;
// reading and writing
virtual uint8_t read(offs_t offset) override;
virtual void write(offs_t offset, uint8_t data) override;
protected:
virtual void device_start() override { m_ram.resize(0x4000); save_item(NAME(m_ram)); }
virtual void device_reset() override { }
private:
std::vector<uint8_t> m_ram;
required_ioport m_write_prot;
};
// ======================> astrocade_whiteram_device
class astrocade_whiteram_device : public device_t, public device_astrocade_exp_interface
{
public:
// construction/destruction
astrocade_whiteram_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual ioport_constructor device_input_ports() const override ATTR_COLD;
// reading and writing
virtual uint8_t read(offs_t offset) override;
virtual void write(offs_t offset, uint8_t data) override;
protected:
virtual void device_start() override { m_ram.resize(0x8000); save_item(NAME(m_ram)); }
virtual void device_reset() override { }
private:
std::vector<uint8_t> m_ram;
required_ioport m_write_prot;
};
// ======================> astrocade_rl64ram_device
class astrocade_rl64ram_device : public device_t, public device_astrocade_exp_interface
{
public:
// construction/destruction
astrocade_rl64ram_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual ioport_constructor device_input_ports() const override ATTR_COLD;
// reading and writing
virtual uint8_t read(offs_t offset) override;
virtual void write(offs_t offset, uint8_t data) override;
protected:
virtual void device_start() override { m_ram.resize(0xb000); save_item(NAME(m_ram)); }
virtual void device_reset() override { }
private:
std::vector<uint8_t> m_ram;
required_ioport m_write_prot;
};
// device type definition
DECLARE_DEVICE_TYPE(ASTROCADE_BLUERAM_4K, astrocade_blueram_4k_device)
DECLARE_DEVICE_TYPE(ASTROCADE_BLUERAM_16K, astrocade_blueram_16k_device)
DECLARE_DEVICE_TYPE(ASTROCADE_BLUERAM_32K, astrocade_blueram_32k_device)
DECLARE_DEVICE_TYPE(ASTROCADE_VIPER_SYS1, astrocade_viper_sys1_device)
DECLARE_DEVICE_TYPE(ASTROCADE_WHITERAM, astrocade_whiteram_device)
DECLARE_DEVICE_TYPE(ASTROCADE_RL64RAM, astrocade_rl64ram_device)
#endif // MAME_BUS_ASTROCADE_RAM_H
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