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-rw-r--r--src/mess/drivers/mes.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/src/mess/drivers/mes.c b/src/mess/drivers/mes.c
new file mode 100644
index 00000000000..bc4976b9e9f
--- /dev/null
+++ b/src/mess/drivers/mes.c
@@ -0,0 +1,141 @@
+/***************************************************************************
+
+ Schleicher MES
+
+ 30/08/2010 Skeleton driver
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+
+#define MACHINE_RESET_MEMBER(name) void name::machine_reset()
+#define VIDEO_START_MEMBER(name) void name::video_start()
+#define SCREEN_UPDATE16_MEMBER(name) UINT32 name::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+
+class mes_state : public driver_device
+{
+public:
+ mes_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_p_videoram(*this, "p_videoram"){ }
+
+ required_device<cpu_device> m_maincpu;
+ const UINT8 *m_p_chargen;
+ required_shared_ptr<const UINT8> m_p_videoram;
+ virtual void machine_reset();
+ virtual void video_start();
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+};
+
+
+
+static ADDRESS_MAP_START(mes_mem, AS_PROGRAM, 8, mes_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x0fff) AM_ROM
+ AM_RANGE(0x1000, 0xefff) AM_RAM
+ AM_RANGE(0xf000, 0xffff) AM_RAM AM_SHARE("p_videoram")
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( mes_io, AS_IO, 8, mes_state)
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ADDRESS_MAP_END
+
+/* Input ports */
+static INPUT_PORTS_START( mes )
+INPUT_PORTS_END
+
+MACHINE_RESET_MEMBER(mes_state)
+{
+}
+
+VIDEO_START_MEMBER( mes_state )
+{
+ m_p_chargen = memregion("chargen")->base();
+}
+
+/* This system appears to have 2 screens. Not implemented.
+ Also the screen dimensions are a guess. */
+SCREEN_UPDATE16_MEMBER( mes_state )
+{
+ //static UINT8 framecnt=0;
+ UINT8 y,ra,chr,gfx;
+ UINT16 sy=0,ma=0,x,xx;
+
+ //framecnt++;
+
+ for (y = 0; y < 25; y++)
+ {
+ for (ra = 0; ra < 10; ra++)
+ {
+ UINT16 *p = &bitmap.pix16(sy++);
+
+ xx = ma;
+ for (x = ma; x < ma + 80; x++)
+ {
+ gfx = 0;
+ if (ra < 9)
+ {
+ chr = m_p_videoram[xx++];
+
+ // /* Take care of flashing characters */
+ // if ((chr < 0x80) && (framecnt & 0x08))
+ // chr |= 0x80;
+
+ if (chr & 0x80) // ignore attribute bytes
+ x--;
+ else
+ gfx = m_p_chargen[(chr<<4) | ra ];
+ }
+ /* Display a scanline of a character */
+ *p++ = BIT(gfx, 7);
+ *p++ = BIT(gfx, 6);
+ *p++ = BIT(gfx, 5);
+ *p++ = BIT(gfx, 4);
+ *p++ = BIT(gfx, 3);
+ *p++ = BIT(gfx, 2);
+ *p++ = BIT(gfx, 1);
+ *p++ = BIT(gfx, 0);
+ }
+ }
+ ma+=80;
+ }
+ return 0;
+}
+
+static MACHINE_CONFIG_START( mes, mes_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", Z80, XTAL_16MHz / 4)
+ MCFG_CPU_PROGRAM_MAP(mes_mem)
+ MCFG_CPU_IO_MAP(mes_io)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_UPDATE_DRIVER(mes_state, screen_update)
+ MCFG_SCREEN_SIZE(640, 250)
+ MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 249)
+ MCFG_PALETTE_LENGTH(2)
+ MCFG_PALETTE_INIT(black_and_white)
+MACHINE_CONFIG_END
+
+
+/* ROM definition */
+ROM_START( mes )
+ ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "mescpu.bin", 0x0000, 0x1000, CRC(b6d90cf4) SHA1(19e608af5bdaabb00a134e1106b151b00e2a0b04))
+
+ ROM_REGION( 0x10000, "xebec", ROMREGION_ERASEFF )
+ ROM_LOAD( "mesxebec.bin", 0x0000, 0x2000, CRC(061b7212) SHA1(c5d600116fb7563c69ebd909eb9613269b2ada0f))
+
+ /* character generator not dumped, using the one from 'c10' for now */
+ ROM_REGION( 0x2000, "chargen", 0 )
+ ROM_LOAD( "c10_char.bin", 0x0000, 0x2000, BAD_DUMP CRC(cb530b6f) SHA1(95590bbb433db9c4317f535723b29516b9b9fcbf))
+ROM_END
+
+/* Driver */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 198?, mes, 0, 0, mes, mes, driver_device, 0, "Schleicher", "MES", GAME_NOT_WORKING | GAME_NO_SOUND)