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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
MTX SDX Controller
**********************************************************************/
#ifndef MAME_BUS_MTX_EXP_SDX_H
#define MAME_BUS_MTX_EXP_SDX_H
#include "exp.h"
#include "imagedev/floppy.h"
#include "machine/wd_fdc.h"
#include "video/mc6845.h"
#include "formats/mtx_dsk.h"
#include "emupal.h"
#include "screen.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class mtx_sdx_device :
public device_t,
public device_mtx_exp_interface
{
public:
static void floppy_formats(format_registration &fr);
// optional information overrides
virtual ioport_constructor device_input_ports() const override;
uint8_t sdx_status_r();
void sdx_control_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(motor_w);
protected:
// construction/destruction
mtx_sdx_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
required_memory_region m_sdx_rom;
required_device<mb8877_device> m_fdc;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
required_ioport_array<2> m_dsw;
floppy_image_device *m_floppy;
uint8_t m_control;
};
class mtx_sdxbas_device : public mtx_sdx_device
{
public:
// construction/destruction
mtx_sdxbas_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
};
class mtx_sdxcpm_device : public mtx_sdx_device
{
public:
// construction/destruction
mtx_sdxcpm_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
uint8_t mtx_80col_r(offs_t offset);
void mtx_80col_w(offs_t offset, uint8_t data);
MC6845_UPDATE_ROW(crtc_update_row);
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_device<mc6845_device> m_crtc;
required_memory_region m_char_rom;
uint8_t m_80col_char_ram[0x800];
uint8_t m_80col_attr_ram[0x800];
uint8_t m_80col_ascii, m_80col_attr;
uint16_t m_80col_addr;
};
// device type definition
DECLARE_DEVICE_TYPE(MTX_SDXBAS, mtx_sdxbas_device)
DECLARE_DEVICE_TYPE(MTX_SDXCPM, mtx_sdxcpm_device)
#endif // MAME_BUS_MTX_EXP_SDX_H
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