Added skeleton for uPD7227 LCD controller. (nw)

.gitattributes

@@ -1885,6 +1885,8 @@ src/emu/video/upd3301.c svneol=native#text/plain
 src/emu/video/upd3301.h svneol=native#text/plain
 src/emu/video/upd7220.c svneol=native#text/plain
 src/emu/video/upd7220.h svneol=native#text/plain
+src/emu/video/upd7227.c svneol=native#text/plain
+src/emu/video/upd7227.h svneol=native#text/plain
 src/emu/video/v9938.c svneol=native#text/plain
 src/emu/video/v9938.h svneol=native#text/plain
 src/emu/video/vector.c svneol=native#text/plain

src/emu/emu.mak

@@ -363,6 +363,7 @@ EMUVIDEOOBJS = \
 	$(EMUVIDEO)/tms9928a.o      \
 	$(EMUVIDEO)/upd3301.o       \
 	$(EMUVIDEO)/upd7220.o       \
+	$(EMUVIDEO)/upd7227.o       \
 	$(EMUVIDEO)/v9938.o         \
 	$(EMUVIDEO)/vector.o        \
 	$(EMUVIDEO)/voodoo.o        \

src/emu/video/upd7227.c

@@ -0,0 +1,144 @@
+/**********************************************************************
+
+    uPD7227 Liquid Crystal Display Controller/Driver emulation
+
+    Copyright MESS Team.
+    Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#include "emu.h"
+#include "upd7227.h"
+
+
+
+//**************************************************************************
+//  MACROS / CONSTANTS
+//**************************************************************************
+
+#define LOG 0
+
+
+
+//**************************************************************************
+//  DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type UPD7227 = &device_creator<upd7227_device>;
+
+
+
+//**************************************************************************
+//  LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+//  upd7227_device - constructor
+//-------------------------------------------------
+
+upd7227_device::upd7227_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+	: device_t(mconfig, UPD7227, "uPD7227", tag, owner, clock),
+	  m_cs(1),
+	  m_cd(1),
+	  m_sck(1),
+	  m_si(1),
+	  m_so(1)
+{
+}
+
+
+//-------------------------------------------------
+//  static_set_config - configuration helper
+//-------------------------------------------------
+
+void upd7227_device::static_set_config(device_t &device, int sx, int sy)
+{
+	upd7227_device &upd7227 = downcast<upd7227_device &>(device);
+
+	upd7227.m_sx = sx;
+	upd7227.m_sy = sy;
+}
+
+
+//-------------------------------------------------
+//  device_start - device-specific startup
+//-------------------------------------------------
+
+void upd7227_device::device_start()
+{
+	// state saving
+	save_item(NAME(m_cs));
+	save_item(NAME(m_cd));
+	save_item(NAME(m_sck));
+	save_item(NAME(m_si));
+	save_item(NAME(m_so));
+}
+
+
+//-------------------------------------------------
+//  device_reset - device-specific reset
+//-------------------------------------------------
+
+void upd7227_device::device_reset()
+{
+}
+
+
+//-------------------------------------------------
+//  update_screen - update screen
+//-------------------------------------------------
+
+UINT32 upd7227_device::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+	return 0;
+}
+
+
+//-------------------------------------------------
+//  cs_w - chip select
+//-------------------------------------------------
+
+WRITE_LINE_MEMBER( upd7227_device::cs_w )
+{
+	m_cs = state;
+}
+
+
+//-------------------------------------------------
+//  cd_w - command/data select
+//-------------------------------------------------
+
+WRITE_LINE_MEMBER( upd7227_device::cd_w )
+{
+	m_cd = state;
+}
+
+
+//-------------------------------------------------
+//  sck_w - serial clock
+//-------------------------------------------------
+
+WRITE_LINE_MEMBER( upd7227_device::sck_w )
+{
+	m_sck = state;
+}
+
+
+//-------------------------------------------------
+//  si_w - serial input
+//-------------------------------------------------
+
+WRITE_LINE_MEMBER( upd7227_device::si_w )
+{
+	m_si = state;
+}
+
+
+//-------------------------------------------------
+//  so_r - serial output/busy
+//-------------------------------------------------
+
+READ_LINE_MEMBER( upd7227_device::so_r )
+{
+	return m_so;
+}

src/emu/video/upd7227.h

@@ -0,0 +1,74 @@
+/**********************************************************************
+
+    uPD7227 Liquid Crystal Display Controller/Driver emulation
+
+    Copyright MESS Team.
+    Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __UPD7227__
+#define __UPD7227__
+
+#include "emu.h"
+
+
+
+///*************************************************************************
+//  INTERFACE CONFIGURATION MACROS
+///*************************************************************************
+
+#define MCFG_UPD7227_ADD(_tag, _sx, _sy) \
+	MCFG_DEVICE_ADD(_tag, UPD7227, 0) \
+	upd7227_device::static_set_config(*device, _sx, _sy);
+
+
+
+///*************************************************************************
+//  TYPE DEFINITIONS
+///*************************************************************************
+
+// ======================> upd7227_device
+
+class upd7227_device :  public device_t
+{
+public:
+	// construction/destruction
+	upd7227_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+	// inline configuration helpers
+	static void static_set_config(device_t &device, int sx, int sy);
+
+	DECLARE_WRITE_LINE_MEMBER( cs_w );
+	DECLARE_WRITE_LINE_MEMBER( cd_w );
+	DECLARE_WRITE_LINE_MEMBER( sck_w );
+	DECLARE_WRITE_LINE_MEMBER( si_w );
+	DECLARE_READ_LINE_MEMBER( so_r );
+
+	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+
+protected:
+	// device-level overrides
+	virtual void device_start();
+	virtual void device_reset();
+
+private:
+	int m_sx;
+	int m_sy;
+
+	int m_cs;
+	int m_cd;
+	int m_sck;
+	int m_si;
+	int m_so;
+};
+
+
+// device type definition
+extern const device_type UPD7227;
+
+
+
+#endif