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-rw-r--r--src/mame/drivers/rt1715.c377
1 files changed, 377 insertions, 0 deletions
diff --git a/src/mame/drivers/rt1715.c b/src/mame/drivers/rt1715.c
new file mode 100644
index 00000000000..30b2a2e43cb
--- /dev/null
+++ b/src/mame/drivers/rt1715.c
@@ -0,0 +1,377 @@
+// license:BSD-3-Clause
+// copyright-holders:Miodrag Milanovic, Robbbert
+/***************************************************************************
+
+ Robotron PC-1715
+
+ 10/06/2008 Preliminary driver.
+
+
+ Notes:
+
+ - keyboard connected to sio channel a
+ - sio channel a clock output connected to ctc trigger 0
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "machine/z80ctc.h"
+#include "machine/z80dart.h"
+#include "machine/z80pio.h"
+#include "machine/z80dma.h"
+#include "machine/ram.h"
+#include "video/i8275.h"
+
+
+class rt1715_state : public driver_device
+{
+public:
+ rt1715_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag) ,
+ m_maincpu(*this, "maincpu"),
+ m_ram(*this, RAM_TAG) { }
+
+ int m_led1_val;
+ int m_led2_val;
+ DECLARE_WRITE8_MEMBER(rt1715_floppy_enable);
+ DECLARE_READ8_MEMBER(k7658_led1_r);
+ DECLARE_READ8_MEMBER(k7658_led2_r);
+ DECLARE_READ8_MEMBER(k7658_data_r);
+ DECLARE_WRITE8_MEMBER(k7658_data_w);
+ DECLARE_WRITE8_MEMBER(rt1715_rom_disable);
+ virtual void machine_start();
+ virtual void machine_reset();
+ DECLARE_PALETTE_INIT(rt1715);
+ I8275_DRAW_CHARACTER_MEMBER( crtc_display_pixels );
+ required_device<cpu_device> m_maincpu;
+ required_device<ram_device> m_ram;
+};
+
+
+/***************************************************************************
+ FLOPPY
+***************************************************************************/
+
+WRITE8_MEMBER(rt1715_state::rt1715_floppy_enable)
+{
+ logerror("%s: rt1715_floppy_enable %02x\n", machine().describe_context(), data);
+}
+
+
+/***************************************************************************
+ KEYBOARD
+***************************************************************************/
+
+/* si/so led */
+READ8_MEMBER(rt1715_state::k7658_led1_r)
+{
+ m_led1_val ^= 1;
+ logerror("%s: k7658_led1_r %02x\n", machine().describe_context(), m_led1_val);
+ return 0xff;
+}
+
+/* caps led */
+READ8_MEMBER(rt1715_state::k7658_led2_r)
+{
+ m_led2_val ^= 1;
+ logerror("%s: k7658_led2_r %02x\n", machine().describe_context(), m_led2_val);
+ return 0xff;
+}
+
+/* read key state */
+READ8_MEMBER(rt1715_state::k7658_data_r)
+{
+ UINT8 result = 0xff;
+
+ if (BIT(offset, 0)) result &= ioport("row_00")->read();
+ if (BIT(offset, 1)) result &= ioport("row_10")->read();
+ if (BIT(offset, 2)) result &= ioport("row_20")->read();
+ if (BIT(offset, 3)) result &= ioport("row_30")->read();
+ if (BIT(offset, 4)) result &= ioport("row_40")->read();
+ if (BIT(offset, 5)) result &= ioport("row_50")->read();
+ if (BIT(offset, 6)) result &= ioport("row_60")->read();
+ if (BIT(offset, 7)) result &= ioport("row_70")->read();
+ if (BIT(offset, 8)) result &= ioport("row_08")->read();
+ if (BIT(offset, 9)) result &= ioport("row_18")->read();
+ if (BIT(offset, 10)) result &= ioport("row_28")->read();
+ if (BIT(offset, 11)) result &= ioport("row_38")->read();
+ if (BIT(offset, 12)) result &= ioport("row_48")->read();
+
+ return result;
+}
+
+/* serial output on D0 */
+WRITE8_MEMBER(rt1715_state::k7658_data_w)
+{
+ logerror("%s: k7658_data_w %02x\n", machine().describe_context(), BIT(data, 0));
+}
+
+
+/***************************************************************************
+ MEMORY HANDLING
+***************************************************************************/
+
+void rt1715_state::machine_start()
+{
+ membank("bank2")->set_base(m_ram->pointer() + 0x0800);
+ membank("bank3")->set_base(m_ram->pointer());
+}
+
+void rt1715_state::machine_reset()
+{
+ /* on reset, enable ROM */
+ membank("bank1")->set_base(memregion("ipl")->base());
+}
+
+WRITE8_MEMBER(rt1715_state::rt1715_rom_disable)
+{
+ logerror("%s: rt1715_set_bank %02x\n", machine().describe_context(), data);
+
+ /* disable ROM, enable RAM */
+ membank("bank1")->set_base(m_ram->pointer());
+}
+
+/***************************************************************************
+ VIDEO EMULATION
+***************************************************************************/
+
+I8275_DRAW_CHARACTER_MEMBER( rt1715_state::crtc_display_pixels )
+{
+}
+
+/* F4 Character Displayer */
+static const gfx_layout rt1715_charlayout =
+{
+ 8, 16, /* 8 x 16 characters */
+ 128, /* 128 characters */
+ 1, /* 1 bits per pixel */
+ { 0 }, /* no bitplanes */
+ /* x offsets */
+ { 0, 1, 2, 3, 4, 5, 6, 7 },
+ /* y offsets */
+ { 0*128, 1*128*8, 2*128*8, 3*128*8, 4*128*8, 5*128*8, 6*128*8, 7*128*8, 8*128*8, 9*128*8, 10*128*8, 11*128*8, 12*128*8, 13*128*8, 14*128*8, 15*128*8 },
+ 8 /* every char takes 1 x 16 bytes */
+};
+
+static GFXDECODE_START( rt1715 )
+ GFXDECODE_ENTRY("gfx", 0x0000, rt1715_charlayout, 0, 1)
+ GFXDECODE_ENTRY("gfx", 0x0800, rt1715_charlayout, 0, 1)
+GFXDECODE_END
+
+
+/***************************************************************************
+ PALETTE
+***************************************************************************/
+
+PALETTE_INIT_MEMBER(rt1715_state, rt1715)
+{
+ palette.set_pen_color(0, rgb_t(0x00, 0x00, 0x00)); /* black */
+ palette.set_pen_color(1, rgb_t(0x00, 0x7f, 0x00)); /* low intensity */
+ palette.set_pen_color(2, rgb_t(0x00, 0xff, 0x00)); /* high intensitiy */
+}
+
+
+/***************************************************************************
+ ADDRESS MAPS
+***************************************************************************/
+
+static ADDRESS_MAP_START( rt1715_mem, AS_PROGRAM, 8, rt1715_state )
+ AM_RANGE(0x0000, 0x07ff) AM_READ_BANK("bank1") AM_WRITE_BANK("bank3")
+ AM_RANGE(0x0800, 0xffff) AM_RAMBANK("bank2")
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( rt1715_io, AS_IO, 8, rt1715_state )
+ ADDRESS_MAP_UNMAP_HIGH
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("a71", z80pio_device, read_alt, write_alt)
+ AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("a72", z80pio_device, read_alt, write_alt)
+ AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE("a30", z80ctc_device, read, write)
+ AM_RANGE(0x0c, 0x0f) AM_DEVREADWRITE("a29", z80sio0_device, ba_cd_r, ba_cd_w)
+ AM_RANGE(0x18, 0x19) AM_DEVREADWRITE("a26", i8275_device, read, write)
+ AM_RANGE(0x20, 0x20) AM_WRITE(rt1715_floppy_enable)
+ AM_RANGE(0x28, 0x28) AM_WRITE(rt1715_rom_disable)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( k7658_mem, AS_PROGRAM, 8, rt1715_state )
+ AM_RANGE(0x0000, 0xffff) AM_WRITE(k7658_data_w)
+ AM_RANGE(0x0000, 0x07ff) AM_MIRROR(0xf800) AM_ROM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( k7658_io, AS_IO, 8, rt1715_state )
+ AM_RANGE(0x2000, 0x2000) AM_MIRROR(0x8000) AM_READ(k7658_led1_r)
+ AM_RANGE(0x4000, 0x4000) AM_MIRROR(0x8000) AM_READ(k7658_led2_r)
+ AM_RANGE(0x8000, 0x9fff) AM_READ(k7658_data_r)
+ADDRESS_MAP_END
+
+
+/***************************************************************************
+ INPUT PORTS
+***************************************************************************/
+
+static INPUT_PORTS_START( k7658 )
+ PORT_START("row_00")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("row_10")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("row_20")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("row_30")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("row_40")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("row_50")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("row_60")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("row_70")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("row_08")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("row_18")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("row_28")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("row_38")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("row_48")
+ PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
+INPUT_PORTS_END
+
+
+/***************************************************************************
+ MACHINE DRIVERS
+***************************************************************************/
+
+/* priority unknown */
+static const z80_daisy_config rt1715_daisy_chain[] =
+{
+ { "a71" },
+ { "a72" },
+ { "a30" },
+ { "a29" },
+ { NULL }
+};
+
+static MACHINE_CONFIG_START( rt1715, rt1715_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", Z80, XTAL_2_4576MHz)
+ MCFG_CPU_PROGRAM_MAP(rt1715_mem)
+ MCFG_CPU_IO_MAP(rt1715_io)
+ MCFG_CPU_CONFIG(rt1715_daisy_chain)
+
+
+ /* keyboard */
+ MCFG_CPU_ADD("keyboard", Z80, 683000)
+ MCFG_CPU_PROGRAM_MAP(k7658_mem)
+ MCFG_CPU_IO_MAP(k7658_io)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_UPDATE_DEVICE("a26", i8275_device, screen_update)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_SIZE(78*6, 30*10)
+ MCFG_SCREEN_VISIBLE_AREA(0, 78*6-1, 0, 30*10-1)
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", rt1715)
+ MCFG_PALETTE_ADD("palette", 3)
+ MCFG_PALETTE_INIT_OWNER(rt1715_state, rt1715)
+
+ MCFG_DEVICE_ADD("a26", I8275, XTAL_2_4576MHz)
+ MCFG_I8275_CHARACTER_WIDTH(8)
+ MCFG_I8275_DRAW_CHARACTER_CALLBACK_OWNER(rt1715_state, crtc_display_pixels)
+
+ MCFG_DEVICE_ADD("a30", Z80CTC, XTAL_10MHz/4 /* ? */)
+
+ MCFG_Z80SIO0_ADD("a29", XTAL_10MHz/4 /* ? */, 0, 0, 0, 0)
+
+ /* floppy */
+ MCFG_DEVICE_ADD("a71", Z80PIO, XTAL_10MHz/4 /* ? */)
+ MCFG_DEVICE_ADD("a72", Z80PIO, XTAL_10MHz/4 /* ? */)
+
+ /* internal ram */
+ MCFG_RAM_ADD(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("64K")
+ MCFG_RAM_DEFAULT_VALUE(0x00)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( rt1715w, rt1715 )
+MACHINE_CONFIG_END
+
+
+/***************************************************************************
+ ROM DEFINITIONS
+***************************************************************************/
+
+ROM_START( rt1715 )
+ ROM_REGION(0x0800, "ipl", 0)
+ ROM_LOAD("s500.a25.3", 0x0000, 0x0800, NO_DUMP) // CCITT 90e7
+ ROM_LOAD("s501.a25.3", 0x0000, 0x0800, NO_DUMP) // CCITT 68da
+ ROM_LOAD("s502.a25.3", 0x0000, 0x0800, CRC(7b6302e1) SHA1(e8f61763ff8841078a1939aa5e85a17f2af42163))
+
+ ROM_REGION(0x1000, "gfx", 0)
+ ROM_LOAD("s619.a25.2", 0x0000, 0x0800, CRC(98647763) SHA1(93fba51ed26392ec3eff1037886576fa12443fe5))
+ ROM_LOAD("s602.a25.1", 0x0800, 0x0800, NO_DUMP) // CCITT fd67
+
+ ROM_REGION(0x0800, "keyboard", 0)
+ ROM_LOAD("s600.ic8", 0x0000, 0x0800, CRC(b7070122) SHA1(687056b822086ef0eee1e9b27e5b031bdbcade61))
+
+ ROM_REGION(0x0800, "floppy", 0)
+ ROM_LOAD("068.a8.2", 0x0000, 0x0400, CRC(5306d57b) SHA1(a12d025717b039a8a760eb9961365402f1f501f5)) // "read rom"
+ ROM_LOAD("069.a8.1", 0x0400, 0x0400, CRC(319fa72c) SHA1(5f26af1e36339a934760a63e5975e9db09abeaaf)) // "write rom"
+ROM_END
+
+ROM_START( rt1715lc )
+ ROM_REGION(0x0800, "ipl", 0)
+ ROM_LOAD("s500.a25.3", 0x0000, 0x0800, NO_DUMP) // CCITT 90e7
+ ROM_LOAD("s501.a25.3", 0x0000, 0x0800, NO_DUMP) // CCITT 68da
+ ROM_LOAD("s502.a25.3", 0x0000, 0x0800, CRC(7b6302e1) SHA1(e8f61763ff8841078a1939aa5e85a17f2af42163))
+
+ ROM_REGION(0x1000, "gfx", 0)
+ ROM_LOAD("s643.a25.2", 0x0000, 0x0800, CRC(ea37f0e6) SHA1(357760974d944b9782734504b9820771e7e37645))
+ ROM_LOAD("s605.a25.1", 0x0800, 0x0800, CRC(38062024) SHA1(798f62d4adeb7098b7dcbfe6caf28302853ee97d))
+
+ ROM_REGION(0x0800, "keyboard", 0)
+ ROM_LOAD("s642.ic8", 0x0000, 0x0800, NO_DUMP) // CCITT 962e
+
+ ROM_REGION(0x0800, "floppy", 0)
+ ROM_LOAD("068.a8.2", 0x0000, 0x0400, CRC(5306d57b) SHA1(a12d025717b039a8a760eb9961365402f1f501f5)) // "read rom"
+ ROM_LOAD("069.a8.1", 0x0400, 0x0400, CRC(319fa72c) SHA1(5f26af1e36339a934760a63e5975e9db09abeaaf)) // "write rom"
+ROM_END
+
+ROM_START( rt1715w )
+ ROM_REGION(0x0800, "ipl", 0)
+ ROM_LOAD("s550.bin", 0x0000, 0x0800, CRC(0a96c754) SHA1(4d9ad5b877353d91ba355044d2847e1d621e2b01))
+
+ // loaded from floppy on startup
+ ROM_REGION(0x1000, "gfx", ROMREGION_ERASEFF)
+
+ ROM_REGION(0x0800, "keyboard", 0)
+ ROM_LOAD("s600.ic8", 0x0000, 0x0800, CRC(b7070122) SHA1(687056b822086ef0eee1e9b27e5b031bdbcade61))
+
+ ROM_REGION(0x0100, "prom", 0)
+ ROM_LOAD("287.bin", 0x0000, 0x0100, CRC(8508360c) SHA1(d262a8c3cf2d284c67f23b853e0d59ae5cc1d4c8)) // /CAS decoder prom, 74S287
+ROM_END
+
+
+/***************************************************************************
+ GAME DRIVERS
+***************************************************************************/
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 1986, rt1715, 0, 0, rt1715, k7658, driver_device, 0, "Robotron", "Robotron PC-1715", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW)
+COMP( 1986, rt1715lc, rt1715, 0, rt1715, k7658, driver_device, 0, "Robotron", "Robotron PC-1715 (latin/cyrillic)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW)
+COMP( 1986, rt1715w, rt1715, 0, rt1715w, k7658, driver_device, 0, "Robotron", "Robotron PC-1715W", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW)