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-rw-r--r--src/mame/video/pcd.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/src/mame/video/pcd.h b/src/mame/video/pcd.h
new file mode 100644
index 00000000000..52b61298d52
--- /dev/null
+++ b/src/mame/video/pcd.h
@@ -0,0 +1,98 @@
+// 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