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Diffstat (limited to 'src/mame/drivers/cdc721.cpp')
-rw-r--r--src/mame/drivers/cdc721.cpp144
1 files changed, 144 insertions, 0 deletions
diff --git a/src/mame/drivers/cdc721.cpp b/src/mame/drivers/cdc721.cpp
new file mode 100644
index 00000000000..0f89b5f2944
--- /dev/null
+++ b/src/mame/drivers/cdc721.cpp
@@ -0,0 +1,144 @@
+// license:BSD-3-Clause
+// copyright-holders:Robbbert
+/************************************************************************************************************
+
+Control Data Corporation CDC 721 Terminal (Viking)
+
+2013-08-13 Skeleton
+
+
+*************************************************************************************************************/
+
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+
+class cdc721_state : public driver_device
+{
+public:
+ cdc721_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag)
+ , m_p_videoram(*this, "videoram")
+ , m_maincpu(*this, "maincpu")
+ { }
+
+public:
+ virtual void machine_reset();
+ DECLARE_PALETTE_INIT(cdc721);
+ const UINT8 *m_p_chargen;
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+ required_shared_ptr<UINT8> m_p_videoram;
+private:
+ required_device<cpu_device> m_maincpu;
+
+
+};
+
+static ADDRESS_MAP_START( cdc721_mem, AS_PROGRAM, 8, cdc721_state )
+ AM_RANGE(0x0000, 0x3fff) AM_ROM AM_REGION("maincpu", 0)
+ AM_RANGE(0x4000, 0xf097) AM_RAM
+ AM_RANGE(0xf098, 0xffff) AM_RAM AM_SHARE("videoram")
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( cdc721_io, AS_IO, 8, cdc721_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( cdc721 )
+INPUT_PORTS_END
+
+void cdc721_state::machine_reset()
+{
+ m_p_chargen = memregion("chargen")->base();
+}
+
+/* F4 Character Displayer */
+static const gfx_layout cdc721_charlayout =
+{
+ 8, 16, /* 8 x 16 characters */
+ 256, /* 256 characters */
+ 1, /* 1 bits per pixel */
+ { 0 }, /* no bitplanes */
+ /* x offsets */
+ { 7, 6, 5, 4, 3, 2, 1, 0 },
+ /* y offsets */
+ { 0*8, 0x100*8, 0x200*8, 0x300*8, 0x400*8, 0x500*8, 0x600*8, 0x700*8,
+ 0x800*8, 0x900*8, 0xa00*8, 0xb00*8, 0xc00*8, 0xd00*8, 0xe00*8, 0xf00*8 },
+ 8 /* every char takes 16 x 1 bytes */
+};
+
+static GFXDECODE_START( cdc721 )
+ GFXDECODE_ENTRY( "chargen", 0x0000, cdc721_charlayout, 0, 1 )
+GFXDECODE_END
+
+PALETTE_INIT_MEMBER( cdc721_state, cdc721 )
+{
+ palette.set_pen_color(0, 0, 0, 0 ); /* Black */
+ palette.set_pen_color(1, 0, 255, 0 ); /* Full */
+ palette.set_pen_color(2, 0, 128, 0 ); /* Dimmed */
+}
+
+UINT32 cdc721_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ UINT8 y,ra,chr,gfx;
+ UINT16 sy=0,ma=0,x;
+
+ for (y = 0; y < 24; y++)
+ {
+ for (ra = 3; ra < 13; ra++)
+ {
+ UINT16 *p = &bitmap.pix16(sy++);
+
+ for (x = 0; x < 160; x+=2)
+ {
+ chr = m_p_videoram[x+ma];
+
+ gfx = m_p_chargen[chr | (ra << 8) ];
+
+ /* Display a scanline of a character */
+ *p++ = BIT(gfx, 0);
+ *p++ = BIT(gfx, 1);
+ *p++ = BIT(gfx, 2);
+ *p++ = BIT(gfx, 3);
+ *p++ = BIT(gfx, 4);
+ *p++ = BIT(gfx, 5);
+ *p++ = BIT(gfx, 6);
+ *p++ = BIT(gfx, 7);
+ }
+ }
+ ma+=160;
+ }
+ return 0;
+}
+
+static MACHINE_CONFIG_START( cdc721, cdc721_state )
+ // basic machine hardware
+ MCFG_CPU_ADD("maincpu", Z80, 4000000)
+ MCFG_CPU_PROGRAM_MAP(cdc721_mem)
+ MCFG_CPU_IO_MAP(cdc721_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(cdc721_state, screen_update)
+ MCFG_SCREEN_SIZE(640, 240)
+ MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 239)
+ MCFG_SCREEN_PALETTE("palette")
+ MCFG_PALETTE_ADD("palette", 3)
+ MCFG_PALETTE_INIT_OWNER(cdc721_state, cdc721)
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", cdc721)
+MACHINE_CONFIG_END
+
+ROM_START( cdc721 )
+ ROM_REGION( 0x6000, "maincpu", 0 )
+ ROM_LOAD( "66315359", 0x0000, 0x2000, CRC(20ff3eb4) SHA1(5f15cb14893d75a46dc66d3042356bb054d632c2) )
+ ROM_LOAD( "66315361", 0x2000, 0x2000, CRC(21d59d09) SHA1(9c087537d68c600ddf1eb9b009cf458231c279f4) )
+ ROM_LOAD( "66315360", 0x4000, 0x1000, CRC(feaa0fc5) SHA1(f06196553a1f10c07b2f7e495823daf7ea26edee) ) // rom @ 4000
+ ROM_LOAD( "66307828", 0x5000, 0x1000, CRC(ac97136f) SHA1(0d280e1aa4b9502bd390d260f83af19bf24905cd) ) // keyboard
+
+ ROM_REGION( 0x1000, "chargen", 0 )
+ ROM_LOAD( "66315039", 0x0000, 0x1000, CRC(5c9aa968) SHA1(3ec7c5f25562579e6ed3fda7562428ff5e6b9550) ) // chargen
+ROM_END
+
+COMP( 1981, cdc721, 0, 0, cdc721, cdc721, driver_device, 0, "Control Data Corporation", "CDC721 Terminal", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW )