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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
/***************************************************************************
SED1200
A LCD controller.
The D/F variants are a packaging difference (QFP80 vs. bare chip).
The A/B variants are an internal CGROM difference (jis
vs. european characters)
***************************************************************************/
#ifndef MAME_VIDEO_SED1200_H
#define MAME_VIDEO_SED1200_H
#pragma once
class sed1200_device : public device_t {
public:
void cs_w(int state);
void control_w(uint8_t data);
uint8_t busy_r();
void data_w(uint8_t data);
const uint8_t *render();
protected:
sed1200_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
virtual void device_start() override ATTR_COLD;
private:
uint8_t cgram[4*8];
uint8_t ddram[10*2];
uint8_t render_buf[20*8];
bool cursor_direction, cursor_blinking, cursor_full, cursor_on, display_on, two_lines;
uint8_t cursor_address, cgram_address;
const uint8_t *cgrom;
bool chip_select, first_input;
uint8_t first_data;
void control_write(uint8_t data);
void data_write(uint8_t data);
void soft_reset();
void cursor_step();
};
class sed1200d0a_device : public sed1200_device {
public:
sed1200d0a_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
};
class sed1200f0a_device : public sed1200_device {
public:
sed1200f0a_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
};
class sed1200d0b_device : public sed1200_device {
public:
sed1200d0b_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
};
class sed1200f0b_device : public sed1200_device {
public:
sed1200f0b_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
};
DECLARE_DEVICE_TYPE(SED1200D0A, sed1200d0a_device)
DECLARE_DEVICE_TYPE(SED1200F0A, sed1200f0a_device)
DECLARE_DEVICE_TYPE(SED1200D0B, sed1200d0b_device)
DECLARE_DEVICE_TYPE(SED1200F0B, sed1200f0b_device)
#endif // MAME_VIDEO_SED1200_H
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