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author Miodrag Milanovic <mmicko@gmail.com>2015-09-13 08:41:44 +0200
committer Miodrag Milanovic <mmicko@gmail.com>2015-09-13 08:41:44 +0200
commitf88cefad27a1737c76e09d99c9fb43e173506081 (patch)
tree2d8167d03579c46e226471747eb4407bd00ed6fa /src/devices/video/hd44352.h
parente92ac9e0fa8e99869894bea00589bbb526be30aa (diff)
Move all devices into separate part of src tree (nw)
Diffstat (limited to 'src/devices/video/hd44352.h')
-rw-r--r--src/devices/video/hd44352.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/src/devices/video/hd44352.h b/src/devices/video/hd44352.h
new file mode 100644
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+++ b/src/devices/video/hd44352.h
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+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+/***************************************************************************
+
+ Hitachi HD44352 LCD controller
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __hd44352_H__
+#define __hd44352_H__
+
+
+#define MCFG_HD44352_ON_CB(_devcb) \
+ devcb = &hd44352_device::set_on_callback(*device, DEVCB_##_devcb);
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> hd44352_device
+
+class hd44352_device :
+ public device_t
+{
+public:
+ // construction/destruction
+ hd44352_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ template<class _Object> static devcb_base &set_on_callback(device_t &device, _Object object) { return downcast<hd44352_device &>(device).m_on_cb.set_callback(object); }
+
+ // device interface
+ UINT8 data_read();
+ void data_write(UINT8 data);
+ void control_write(UINT8 data);
+
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+ virtual void device_validity_check(validity_checker &valid) const;
+
+private:
+ UINT8 compute_newval(UINT8 type, UINT8 oldval, UINT8 newval);
+ UINT8 get_char(UINT16 pos);
+
+ static const device_timer_id ON_TIMER = 1;
+ emu_timer *m_on_timer;
+
+ UINT8 m_video_ram[2][0x180];
+ UINT8 m_control_lines;
+ UINT8 m_data_bus;
+ UINT8 m_par[3];
+ UINT8 m_state;
+ UINT16 m_bank;
+ UINT16 m_offset;
+ UINT8 m_char_width;
+ UINT8 m_lcd_on;
+ UINT8 m_scroll;
+ UINT32 m_contrast;
+
+ UINT8 m_custom_char[4][8]; // 4 chars * 8 bytes
+ UINT8 m_byte_count;
+ UINT8 m_cursor_status;
+ UINT8 m_cursor[8];
+ UINT8 m_cursor_x;
+ UINT8 m_cursor_y;
+ UINT8 m_cursor_lcd;
+
+ devcb_write_line m_on_cb; // ON line callback
+};
+
+// device type definition
+extern const device_type HD44352;
+
+#endif