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Diffstat (limited to 'src/mess/drivers/c900.c')
-rw-r--r--src/mess/drivers/c900.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/mess/drivers/c900.c b/src/mess/drivers/c900.c
new file mode 100644
index 00000000000..b65b6fddf5a
--- /dev/null
+++ b/src/mess/drivers/c900.c
@@ -0,0 +1,62 @@
+/*
+
+ Commodore C900
+ UNIX prototype
+
+ http://www.zimmers.net/cbmpics/c900.html
+ http://www.zimmers.net/cbmpics/cbm/900/c900-chips.txt
+
+*/
+
+
+#include "emu.h"
+#include "cpu/z8000/z8000.h"
+
+class c900_state : public driver_device
+{
+public:
+ c900_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag) { }
+
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+};
+
+static ADDRESS_MAP_START(c900_mem, AS_PROGRAM, 16, c900_state)
+ AM_RANGE(0x0000, 0x7fff) AM_ROM AM_REGION("maincpu", 0)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(c900_io, AS_IO, 8, c900_state)
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( c900 )
+INPUT_PORTS_END
+
+UINT32 c900_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ return 0;
+}
+
+static MACHINE_CONFIG_START( c900, c900_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", Z8001, 4000000)
+ MCFG_CPU_PROGRAM_MAP(c900_mem)
+ MCFG_CPU_IO_MAP(c900_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_SIZE(512, 256)
+ MCFG_SCREEN_VISIBLE_AREA(0, 512-1, 0, 256-1)
+ MCFG_PALETTE_LENGTH(4)
+ MCFG_SCREEN_UPDATE_DRIVER(c900_state, screen_update)
+MACHINE_CONFIG_END
+
+ROM_START( c900 )
+ ROM_REGION16_LE( 0x8000, "maincpu", 0 )
+ ROM_LOAD16_BYTE( "c 900 boot-h v 1.0.bin.u17", 0x0000, 0x4000, CRC(c3aa7fc1) SHA1(ff12dd100fa7b1e7e931e9a8ef4c4f5cc056e099) )
+ ROM_LOAD16_BYTE( "c 900 boot-l v 1.0.bin.u18", 0x0001, 0x4000, CRC(0aa39272) SHA1(b2c5da4586d38fc66bb33aafeae4dbda36080f1e) )
+ROM_END
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 1985, c900, 0, 0, c900, c900, driver_device, 0, "Commodore", "Commodore 900", GAME_NOT_WORKING | GAME_NO_SOUND)