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-rw-r--r--src/mame/drivers/lynx.c199
1 files changed, 199 insertions, 0 deletions
diff --git a/src/mame/drivers/lynx.c b/src/mame/drivers/lynx.c
new file mode 100644
index 00000000000..5bde2a0cf15
--- /dev/null
+++ b/src/mame/drivers/lynx.c
@@ -0,0 +1,199 @@
+// license:GPL-2.0+
+// copyright-holders:Peter Trauner
+/******************************************************************************
+ PeT peter.trauner@utanet.at 2000,2001
+
+ info found in bastian schick's bll
+ and in cc65 for lynx
+
+******************************************************************************/
+
+#include "emu.h"
+#include "cpu/m6502/m65sc02.h"
+#include "audio/lynx.h"
+#include "includes/lynx.h"
+
+#include "lynx.lh"
+
+static ADDRESS_MAP_START( lynx_mem , AS_PROGRAM, 8, lynx_state )
+ AM_RANGE(0x0000, 0xfbff) AM_RAM AM_SHARE("mem_0000")
+ AM_RANGE(0xfc00, 0xfcff) AM_RAM AM_SHARE("mem_fc00")
+ AM_RANGE(0xfd00, 0xfdff) AM_RAM AM_SHARE("mem_fd00")
+ AM_RANGE(0xfe00, 0xfff7) AM_READ_BANK("bank3") AM_WRITEONLY AM_SHARE("mem_fe00")
+ AM_RANGE(0xfff8, 0xfff8) AM_RAM
+ AM_RANGE(0xfff9, 0xfff9) AM_READWRITE(lynx_memory_config_r, lynx_memory_config_w)
+ AM_RANGE(0xfffa, 0xffff) AM_READ_BANK("bank4") AM_WRITEONLY AM_SHARE("mem_fffa")
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( lynx )
+ PORT_START("JOY")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("A")
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("B")
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Opt 2") PORT_CODE(KEYCODE_2)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Opt 1") PORT_CODE(KEYCODE_1)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT )
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT )
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP )
+
+ PORT_START("PAUSE")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME(DEF_STR(Pause)) PORT_CODE(KEYCODE_3)
+ // power on and power off buttons
+INPUT_PORTS_END
+
+PALETTE_INIT_MEMBER(lynx_state, lynx)
+{
+ int i;
+
+ for (i=0; i< 0x1000; i++)
+ {
+ palette.set_pen_color(i,
+ ((i >> 0) & 0x0f) * 0x11,
+ ((i >> 4) & 0x0f) * 0x11,
+ ((i >> 8) & 0x0f) * 0x11);
+ }
+}
+
+void lynx_state::video_start()
+{
+ machine().first_screen()->register_screen_bitmap(m_bitmap);
+}
+
+UINT32 lynx_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ copybitmap(bitmap, m_bitmap, 0, 0, 0, 0, cliprect);
+ return 0;
+}
+
+// callback for Mikey call of shift(3) which shall act on the lynx_timer_count_down
+void lynx_state::sound_cb()
+{
+ lynx_timer_count_down(1);
+}
+
+static MACHINE_CONFIG_START( lynx, lynx_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", M65SC02, 4000000) /* vti core, integrated in vlsi, stz, but not bbr bbs */
+ MCFG_CPU_PROGRAM_MAP(lynx_mem)
+ MCFG_QUANTUM_TIME(attotime::from_hz(60))
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", LCD)
+ MCFG_SCREEN_REFRESH_RATE(LCD_FRAMES_PER_SECOND)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_UPDATE_DRIVER(lynx_state, screen_update)
+ MCFG_SCREEN_SIZE(160, 102)
+ MCFG_SCREEN_VISIBLE_AREA(0, 160-1, 0, 102-1)
+ MCFG_SCREEN_PALETTE("palette")
+ MCFG_DEFAULT_LAYOUT(layout_lynx)
+
+ MCFG_PALETTE_ADD("palette", 0x1000)
+ MCFG_PALETTE_INIT_OWNER(lynx_state, lynx)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("custom", LYNX_SND, 0)
+ MCFG_LYNX_SND_SET_TIMER(lynx_state, sound_cb)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+
+ /* devices */
+ MCFG_QUICKLOAD_ADD("quickload", lynx_state, lynx, "o", 0)
+
+ MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "lynx_cart")
+ MCFG_GENERIC_EXTENSIONS("lnx,lyx")
+ MCFG_GENERIC_MANDATORY
+ MCFG_GENERIC_LOAD(lynx_state, lynx_cart)
+
+ /* Software lists */
+ MCFG_SOFTWARE_LIST_ADD("cart_list","lynx")
+MACHINE_CONFIG_END
+
+#if 0
+static MACHINE_CONFIG_DERIVED( lynx2, lynx )
+
+ /* sound hardware */
+ MCFG_DEVICE_REMOVE("mono")
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+ MCFG_DEVICE_REMOVE("lynx")
+ MCFG_SOUND_ADD("custom", LYNX2_SND, 0)
+ MCFG_LYNX_SND_SET_TIMER(lynx_state, sound_cb)
+ MCFG_SOUND_ROUTE(0, "lspeaker", 0.50)
+ MCFG_SOUND_ROUTE(1, "rspeaker", 0.50)
+MACHINE_CONFIG_END
+#endif
+
+/* these 2 dumps are saved from an running machine,
+ and therefor the rom byte at 0xfff9 is not readable!
+ (memory configuration)
+ these 2 dumps differ only in this byte!
+*/
+
+ROM_START(lynx)
+ ROM_REGION(0x200,"maincpu", 0)
+ ROM_SYSTEM_BIOS( 0, "default", "rom save" )
+ ROMX_LOAD( "lynx.bin", 0x00000, 0x200, BAD_DUMP CRC(e1ffecb6) SHA1(de60f2263851bbe10e5801ef8f6c357a4bc077e6), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS( 1, "a", "alternate rom save" )
+ ROMX_LOAD( "lynxa.bin", 0x00000, 0x200, BAD_DUMP CRC(0d973c9d) SHA1(e4ed47fae31693e016b081c6bda48da5b70d7ccb), ROM_BIOS(2))
+
+ ROM_REGION(0x100,"gfx1", ROMREGION_ERASE00)
+ROM_END
+
+#if 0
+ROM_START(lynx2)
+ ROM_REGION(0x200,"maincpu", 0)
+ ROM_LOAD("lynx2.bin", 0, 0x200, NO_DUMP)
+
+ ROM_REGION(0x100,"gfx1", ROMREGION_ERASE00)
+ROM_END
+#endif
+
+
+QUICKLOAD_LOAD_MEMBER( lynx_state, lynx )
+{
+ address_space &space = m_maincpu->space(AS_PROGRAM);
+ dynamic_buffer data;
+ UINT8 *rom = memregion("maincpu")->base();
+ UINT8 header[10]; // 80 08 dw Start dw Len B S 9 3
+ UINT16 start, length;
+ int i;
+
+ if (image.fread( header, sizeof(header)) != sizeof(header))
+ return IMAGE_INIT_FAIL;
+
+ /* Check the image */
+ if (lynx_verify_cart((char*)header, LYNX_QUICKLOAD) == IMAGE_VERIFY_FAIL)
+ return IMAGE_INIT_FAIL;
+
+ start = header[3] | (header[2]<<8); //! big endian format in file format for little endian cpu
+ length = header[5] | (header[4]<<8);
+ length -= 10;
+
+ data.resize(length);
+
+ if (image.fread( &data[0], length) != length)
+ {
+ return IMAGE_INIT_FAIL;
+ }
+
+ for (i = 0; i < length; i++)
+ space.write_byte(start + i, data[i]);
+
+ rom[0x1fc] = start & 0xff;
+ rom[0x1fd] = start >> 8;
+ space.write_byte(0x1fc, start & 0xff);
+ space.write_byte(0x1fd, start >> 8);
+
+ m_maincpu->set_pc(start);
+
+ return IMAGE_INIT_PASS;
+}
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+CONS( 1989, lynx, 0, 0, lynx, lynx, driver_device, 0, "Atari", "Lynx", MACHINE_SUPPORTS_SAVE )
+// CONS( 1991, lynx2, lynx, 0, lynx2, lynx, driver_device, 0, "Atari", "Lynx II", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND )