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// license:BSD-3-Clause
// copyright-holders:Carl
#ifndef _PCD_H_
#define _PCD_H_
#include "emu.h"
#include "machine/pic8259.h"
#include "video/scn2674.h"
#define MCFG_PCX_VIDEO_TXD_HANDLER(_devcb) \
devcb = &pcx_video_device::set_txd_handler(*device, DEVCB_##_devcb);
class pcdx_video_device : public device_t
{
public:
pcdx_video_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
virtual DECLARE_ADDRESS_MAP(map, 16) = 0;
DECLARE_READ8_MEMBER(detect_r);
DECLARE_WRITE8_MEMBER(detect_w);
DECLARE_PALETTE_INIT(pcdx);
protected:
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_mcu;
required_device<scn2674_device> m_crtc;
required_device<palette_device> m_palette;
required_device<gfxdecode_device> m_gfxdecode;
};
class pcd_video_device : public pcdx_video_device
{
public:
pcd_video_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
DECLARE_ADDRESS_MAP(map, 16);
DECLARE_ADDRESS_MAP(vram_map, 8);
DECLARE_READ8_MEMBER(mcu_r);
DECLARE_WRITE8_MEMBER(mcu_w);
DECLARE_WRITE8_MEMBER(vram_sw_w);
DECLARE_READ8_MEMBER(vram_r);
DECLARE_WRITE8_MEMBER(vram_w);
virtual const rom_entry *device_rom_region() const;
virtual machine_config_constructor device_mconfig_additions() const;
SCN2674_DRAW_CHARACTER_MEMBER(display_pixels);
protected:
void device_start();
void device_reset();
private:
dynamic_buffer m_vram;
dynamic_buffer m_charram;
UINT8 m_vram_sw;
};
class pcx_video_device : public pcdx_video_device,
public device_serial_interface
{
public:
pcx_video_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
template<class _Object> static devcb_base &set_txd_handler(device_t &device, _Object object) { return downcast<pcx_video_device &>(device).m_txd_handler.set_callback(object); }
DECLARE_ADDRESS_MAP(map, 16);
DECLARE_READ8_MEMBER(term_r);
DECLARE_WRITE8_MEMBER(term_w);
DECLARE_READ8_MEMBER(term_mcu_r);
DECLARE_WRITE8_MEMBER(term_mcu_w);
DECLARE_READ8_MEMBER(rx_callback);
DECLARE_WRITE8_MEMBER(tx_callback);
DECLARE_READ8_MEMBER(vram_r);
DECLARE_WRITE8_MEMBER(vram_w);
DECLARE_READ8_MEMBER(vram_latch_r);
DECLARE_WRITE8_MEMBER(vram_latch_w);
DECLARE_READ8_MEMBER(unk_r);
DECLARE_WRITE8_MEMBER(p1_w);
virtual const rom_entry *device_rom_region() const;
virtual machine_config_constructor device_mconfig_additions() const;
SCN2674_DRAW_CHARACTER_MEMBER(display_pixels);
protected:
void device_start();
void device_reset();
void tra_callback();
void rcv_complete();
void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
private:
dynamic_buffer m_vram;
required_region_ptr<UINT8> m_charrom;
required_device<pic8259_device> m_pic2;
devcb_write_line m_txd_handler;
UINT8 m_term_key, m_term_char, m_term_stat, m_vram_latch_r[2], m_vram_latch_w[2], m_p1;
};
extern const device_type PCD_VIDEO;
extern const device_type PCX_VIDEO;
#endif
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