summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/qvt103.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/qvt103.cpp')
-rw-r--r--src/mame/drivers/qvt103.cpp104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/mame/drivers/qvt103.cpp b/src/mame/drivers/qvt103.cpp
new file mode 100644
index 00000000000..012632fa23b
--- /dev/null
+++ b/src/mame/drivers/qvt103.cpp
@@ -0,0 +1,104 @@
+// license:BSD-3-Clause
+// copyright-holders:
+/***********************************************************************************************************************************
+
+Skeleton driver for Qume QVT-103 video display terminal.
+
+************************************************************************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "cpu/mcs48/mcs48.h"
+//#include "machine/nvram.h"
+#include "machine/z80ctc.h"
+#include "machine/z80dart.h"
+//#include "video/crt9007.h"
+#include "screen.h"
+
+class qvt103_state : public driver_device
+{
+public:
+ qvt103_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag)
+ , m_maincpu(*this, "maincpu")
+ , m_p_chargen(*this, "chargen")
+ { }
+
+ u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+private:
+ required_device<cpu_device> m_maincpu;
+ required_region_ptr<u8> m_p_chargen;
+};
+
+u32 qvt103_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+ return 0;
+}
+
+static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 8, qvt103_state )
+ AM_RANGE(0x0000, 0x5fff) AM_ROM AM_REGION("maincpu", 0)
+ AM_RANGE(0x6000, 0x6001) AM_DEVREADWRITE("kbdmcu", i8741_device, upi41_master_r, upi41_master_w)
+ AM_RANGE(0x8000, 0x87ff) AM_RAM
+ //AM_RANGE(0xa000, 0xa03f) AM_DEVREADWRITE("vpac", crt9007_device, read, write)
+ AM_RANGE(0xc000, 0xffff) AM_RAM // not entirely contiguous?
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( io_map, AS_IO, 8, qvt103_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x14, 0x17) AM_DEVREADWRITE("dart", z80dart_device, ba_cd_r, ba_cd_w)
+ AM_RANGE(0x18, 0x1b) AM_DEVREADWRITE("ctc", z80ctc_device, read, write)
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( qvt103 )
+INPUT_PORTS_END
+
+static const z80_daisy_config daisy_chain[] =
+{
+ { "dart" },
+ { "ctc" },
+ { nullptr }
+};
+
+static MACHINE_CONFIG_START( qvt103 )
+ MCFG_CPU_ADD("maincpu", Z80, XTAL_29_376MHz / 9) // divider guessed
+ MCFG_CPU_PROGRAM_MAP(mem_map)
+ MCFG_CPU_IO_MAP(io_map)
+ MCFG_Z80_DAISY_CHAIN(daisy_chain)
+
+ MCFG_DEVICE_ADD("ctc", Z80CTC, XTAL_29_376MHz / 9)
+ MCFG_Z80CTC_INTR_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
+
+ MCFG_DEVICE_ADD("dart", Z80DART, XTAL_29_376MHz / 9)
+ MCFG_Z80DART_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
+
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_RAW_PARAMS(XTAL_29_376MHz * 2 / 3, 102 * 10, 0, 80 * 10, 320, 0, 300)
+ //MCFG_SCREEN_RAW_PARAMS(XTAL_29_376MHz, 170 * 9, 0, 132 * 9, 320, 0, 300)
+ MCFG_SCREEN_UPDATE_DRIVER(qvt103_state, screen_update)
+
+ MCFG_CPU_ADD("kbdmcu", I8741, XTAL_6MHz)
+MACHINE_CONFIG_END
+
+/**************************************************************************************************************
+
+Qume QVT-103.
+Chips: Z80A, Z80A DART, Z80A CTC, 2x CRT9212, 5x HM6116P-2, TC5516APL, D8741AD, CRT9007, 1x 10-sw dip, Button battery.
+Crystals: (all hard to read) 29.376, 6.000
+Keyboard CPU, Crystal, ROM are on the main board.
+
+***************************************************************************************************************/
+
+ROM_START( qvt103 )
+ ROM_REGION(0x6000, "maincpu", 0)
+ ROM_LOAD( "t103e1.u28", 0x0000, 0x2000, CRC(eace3cbe) SHA1(1e7f395c5233d8656df5305163d050275f0a8033) )
+ ROM_LOAD( "t103e2.u27", 0x2000, 0x4000, CRC(100cf542) SHA1(4b2569d509790a0f94b4447fb9d3d42582fcaf66) )
+
+ ROM_REGION(0x1000, "chargen", 0)
+ ROM_LOAD( "c103b.u40", 0x0000, 0x1000, CRC(3419760d) SHA1(3455c70ed48c7f7769d73a84f152beddf508094f) )
+
+ ROM_REGION(0x0400, "kbdmcu", 0)
+ ROM_LOAD( "k304a.u24", 0x0000, 0x0400, CRC(e4b1f0da) SHA1(e9f8c48c34105464b3db206b34f67e7603484fea) )
+ROM_END
+
+COMP( 1983, qvt103, 0, 0, qvt103, qvt103, qvt103_state, 0, "Qume", "QVT-103", MACHINE_IS_SKELETON )