Missing files, nothing new ...

.gitattributes

@@ -1335,6 +1335,8 @@ src/emu/video/poly.h svneol=native#text/plain
 src/emu/video/polynew.h svneol=native#text/plain
 src/emu/video/psx.c svneol=native#text/plain
 src/emu/video/psx.h svneol=native#text/plain
+src/emu/video/ramdac.c svneol=native#text/plain
+src/emu/video/ramdac.h svneol=native#text/plain
 src/emu/video/resnet.c svneol=native#text/plain
 src/emu/video/resnet.h svneol=native#text/plain
 src/emu/video/rgbgen.h svneol=native#text/plain

src/emu/video/ramdac.c

@@ -0,0 +1,169 @@
+/***************************************************************************
+
+	Generic Palette RAMDAC device
+
+	Written by Angelo Salese
+
+	TODO:
+	- read operation
+	- masking
+
+***************************************************************************/
+
+#include "emu.h"
+#include "video/ramdac.h"
+
+// default address map
+static ADDRESS_MAP_START( ramdac_palram, AS_0, 8 )
+	AM_RANGE(0x000, 0x0ff) AM_RAM // R bank
+	AM_RANGE(0x100, 0x1ff) AM_RAM // G bank
+	AM_RANGE(0x200, 0x2ff) AM_RAM // B bank
+	AM_RANGE(0x300, 0x3ff) AM_NOP
+ADDRESS_MAP_END
+
+//**************************************************************************
+//  GLOBAL VARIABLES
+//**************************************************************************
+
+// device type definition
+const device_type RAMDAC = &device_creator<ramdac_device>;
+
+
+//**************************************************************************
+//  LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+//  ramdac_device - constructor
+//-------------------------------------------------
+
+ramdac_device::ramdac_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+	: device_t(mconfig, RAMDAC, "ramdac", tag, owner, clock),
+	  device_memory_interface(mconfig, *this),
+		m_pal_index(0),
+		m_pal_mask(0),
+		m_space_config("videoram", ENDIANNESS_LITTLE, 8, 10, 0, NULL, *ADDRESS_MAP_NAME(ramdac_palram))
+{
+
+}
+
+//-------------------------------------------------
+//  memory_space_config - return a description of
+//  any address spaces owned by this device
+//-------------------------------------------------
+
+const address_space_config *ramdac_device::memory_space_config(address_spacenum spacenum) const
+{
+	return (spacenum == AS_0) ? &m_space_config : NULL;
+}
+
+//-------------------------------------------------
+//  readbyte - read a byte at the given address
+//-------------------------------------------------
+
+inline UINT8 ramdac_device::readbyte(offs_t address)
+{
+	return space()->read_byte(address);
+}
+
+
+//-------------------------------------------------
+//  writebyte - write a byte at the given address
+//-------------------------------------------------
+
+inline void ramdac_device::writebyte(offs_t address, UINT8 data)
+{
+	space()->write_byte(address, data);
+}
+
+
+//-------------------------------------------------
+//  device_validity_check - perform validity checks
+//  on this device
+//-------------------------------------------------
+
+bool ramdac_device::device_validity_check(emu_options &options, const game_driver &driver) const
+{
+	bool error = false;
+	return error;
+}
+
+//-------------------------------------------------
+//  device_start - device-specific startup
+//-------------------------------------------------
+
+void ramdac_device::device_start()
+{
+	m_palram = auto_alloc_array_clear(machine(), UINT8, 1 << 10);
+
+}
+
+
+//-------------------------------------------------
+//  device_reset - device-specific reset
+//-------------------------------------------------
+
+void ramdac_device::device_reset()
+{
+	m_pal_index = 0;
+	m_pal_mask = 0;
+	m_int_index = 0;
+}
+
+
+//**************************************************************************
+//  READ/WRITE HANDLERS
+//**************************************************************************
+
+WRITE8_MEMBER( ramdac_device::index_w )
+{
+	m_pal_index = data;
+	m_int_index = 0;
+}
+
+WRITE8_MEMBER( ramdac_device::pal_w )
+{
+	writebyte(m_pal_index | (m_int_index << 8),data);
+
+	m_int_index++;
+	if(m_int_index == 3)
+	{
+		m_int_index = 0;
+		m_pal_index++;
+	}
+}
+
+WRITE8_MEMBER( ramdac_device::mask_w )
+{
+	m_pal_mask = data;
+}
+
+//**************************************************************************
+//  Generic bank read/write handlers
+//**************************************************************************
+
+READ8_MEMBER( ramdac_device::ramdac_pal_r )
+{
+	return m_palram[offset];
+}
+
+WRITE8_MEMBER( ramdac_device::ramdac_rgb666_w )
+{
+	UINT16 pal_offs;
+
+	m_palram[offset] = data & 0x3f;
+	pal_offs = (offset & 0xff);
+
+	palette_set_color_rgb(machine(),offset&0xff,pal6bit(m_palram[pal_offs|0x000]),pal6bit(m_palram[pal_offs|0x100]),pal6bit(m_palram[pal_offs|0x200]));
+}
+
+WRITE8_MEMBER( ramdac_device::ramdac_rgb888_w )
+{
+	UINT16 pal_offs;
+
+	m_palram[offset] = data;
+	pal_offs = (offset & 0xff);
+
+	palette_set_color_rgb(machine(),offset&0xff,m_palram[pal_offs|0x000],m_palram[pal_offs|0x100],m_palram[pal_offs|0x200]);
+}
+

src/emu/video/ramdac.h

@@ -0,0 +1,77 @@
+/***************************************************************************
+
+	Generic Palette RAMDAC device
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __ramdacDEV_H__
+#define __ramdacDEV_H__
+
+#include "emu.h"
+
+
+//**************************************************************************
+//  INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_RAMDAC_ADD(_tag,_map) \
+	MCFG_DEVICE_ADD(_tag, RAMDAC, 0) \
+	MCFG_DEVICE_ADDRESS_MAP(AS_0, _map)
+
+
+//**************************************************************************
+//  TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> v3021_device
+
+class ramdac_device :	public device_t,
+						public device_memory_interface
+{
+public:
+	// construction/destruction
+	ramdac_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+	// I/O operations
+	DECLARE_WRITE8_MEMBER( index_w );
+	DECLARE_WRITE8_MEMBER( pal_w );
+	DECLARE_WRITE8_MEMBER( mask_w );
+
+	DECLARE_READ8_MEMBER( ramdac_pal_r );
+	DECLARE_WRITE8_MEMBER( ramdac_rgb666_w );
+	DECLARE_WRITE8_MEMBER( ramdac_rgb888_w );
+
+	virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const;
+
+protected:
+	// device-level overrides
+	virtual bool device_validity_check(emu_options &options, const game_driver &driver) const;
+	virtual void device_start();
+	virtual void device_reset();
+	inline UINT8 readbyte(offs_t address);
+	inline void writebyte(offs_t address, UINT8 data);
+
+private:
+	UINT8 m_pal_index;
+	UINT8 m_pal_mask;
+	UINT8 m_int_index;
+	UINT8 *m_palram;
+
+	const address_space_config		m_space_config;
+};
+
+
+// device type definition
+extern const device_type RAMDAC;
+
+
+
+//**************************************************************************
+//  GLOBAL VARIABLES
+//**************************************************************************
+
+
+
+#endif