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Diffstat (limited to 'src/mame/drivers/lft.c')
-rw-r--r--src/mame/drivers/lft.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/src/mame/drivers/lft.c b/src/mame/drivers/lft.c
new file mode 100644
index 00000000000..2034ec9219d
--- /dev/null
+++ b/src/mame/drivers/lft.c
@@ -0,0 +1,117 @@
+// license:BSD-3-Clause
+// copyright-holders:Robbbert
+/***************************************************************************
+
+2013-09-09 Skeleton of LFT computer system. A search on the net produces
+ no finds.
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/i86/i186.h"
+#include "machine/terminal.h"
+
+
+class lft_state : public driver_device
+{
+public:
+ lft_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag)
+ , m_maincpu(*this, "maincpu")
+ , m_terminal(*this, "terminal")
+ {}
+
+ DECLARE_WRITE8_MEMBER(kbd_put);
+ DECLARE_WRITE16_MEMBER(term_w);
+ DECLARE_READ16_MEMBER(keyin_r);
+ DECLARE_READ16_MEMBER(status_r);
+
+private:
+ UINT8 m_term_data;
+ virtual void machine_reset();
+ required_device<cpu_device> m_maincpu;
+ required_device<generic_terminal_device> m_terminal;
+};
+
+static ADDRESS_MAP_START(lft_mem, AS_PROGRAM, 16, lft_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x00000, 0x5ffff) AM_RAM
+ AM_RANGE(0xfc000, 0xfffff) AM_ROM AM_REGION("roms", 0)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(lft_io, AS_IO, 16, lft_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ // screen 1
+ AM_RANGE(0x00, 0x01) AM_READNOP
+ AM_RANGE(0x04, 0x05) AM_READWRITE(keyin_r,term_w)
+ // screen 2
+ AM_RANGE(0x02, 0x03) AM_READNOP
+ AM_RANGE(0x06, 0x07) AM_WRITENOP
+ADDRESS_MAP_END
+
+
+/* Input ports */
+static INPUT_PORTS_START( lft )
+INPUT_PORTS_END
+
+READ16_MEMBER( lft_state::keyin_r )
+{
+ UINT16 ret = m_term_data;
+ m_term_data = 0;
+ return ret;
+}
+
+READ16_MEMBER( lft_state::status_r )
+{
+ return (m_term_data) ? 5 : 4;
+}
+
+WRITE8_MEMBER( lft_state::kbd_put )
+{
+ m_term_data = data;
+}
+
+WRITE16_MEMBER( lft_state::term_w )
+{
+ m_terminal->write(space, 0, data & 0x7f); // fix backspace
+}
+
+void lft_state::machine_reset()
+{
+ m_term_data = 0;
+}
+
+static MACHINE_CONFIG_START( lft, lft_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", I80186, 4000000) // no idea
+ MCFG_CPU_PROGRAM_MAP(lft_mem)
+ MCFG_CPU_IO_MAP(lft_io)
+
+ /* video hardware */
+ MCFG_DEVICE_ADD("terminal", GENERIC_TERMINAL, 0)
+ MCFG_GENERIC_TERMINAL_KEYBOARD_CB(WRITE8(lft_state, kbd_put))
+MACHINE_CONFIG_END
+
+
+/* ROM definition */
+ROM_START( lft1230 )
+ ROM_REGION(0x4000, "roms", 0)
+ ROM_LOAD16_BYTE( "1230lf29", 0x0000, 0x2000, CRC(11c87367) SHA1(0879650aa98e19a4e6ca7b6ee7874f81c9c8ccfa) )
+ ROM_LOAD16_BYTE( "1230lf42", 0x0001, 0x2000, CRC(ab82b620) SHA1(8c7d93950703f348e5ce0f9e376d157dd6098c6a) )
+ROM_END
+
+ROM_START( lft1510 )
+ ROM_REGION(0x4000, "roms", 0)
+ ROM_LOAD16_BYTE( "1510lfev", 0x2000, 0x1000, CRC(47dbb290) SHA1(b557e9a54a30d9a16edfdef4a6b12a5393d30bf3) )
+ ROM_IGNORE(0x1000)
+ ROM_LOAD16_BYTE( "1510lfod", 0x2001, 0x1000, CRC(ba8c23fc) SHA1(d4b82f69fccd653b31e7bd05ee884b323ff0007b) )
+ ROM_IGNORE(0x1000)
+ROM_END
+
+
+/* Driver */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
+COMP( ????, lft1510, 0, 0, lft, lft, driver_device, 0, "LFT", "LFT 1510", MACHINE_IS_SKELETON)
+COMP( ????, lft1230, lft1510, 0, lft, lft, driver_device, 0, "LFT", "LFT 1230", MACHINE_IS_SKELETON)