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authorGravatarGravatar AJR <ajrhacker@users.noreply.github.com>2019-12-05 21:23:10 -0500
committerGravatarGravatar AJR <ajrhacker@users.noreply.github.com>2019-12-05 21:23:10 -0500
commitef4d657213654d94ec1919f7b866e7408065d8dc (patch)
tree60cb0cbe6047b89226bddfa949fa898da737f447 /src/mame
parentcc116dc97298912d19731a465ffc2bbd8864b81f (diff)
New machines marked as NOT_WORKING
---------------------------------- 21 (Sigma) [Yasu]
Diffstat (limited to 'src/mame')
-rw-r--r--src/mame/arcade.flt1
-rw-r--r--src/mame/drivers/sigma21.cpp90
-rw-r--r--src/mame/mame.lst3
3 files changed, 94 insertions, 0 deletions
diff --git a/src/mame/arcade.flt b/src/mame/arcade.flt
index 6d8e4072591..b0dc1d051f1 100644
--- a/src/mame/arcade.flt
+++ b/src/mame/arcade.flt
@@ -1109,6 +1109,7 @@ shtzone.cpp
shuuz.cpp
sidearms.cpp
sidepckt.cpp
+sigma21.cpp
sigmab52.cpp
sigmab98.cpp
silkroad.cpp
diff --git a/src/mame/drivers/sigma21.cpp b/src/mame/drivers/sigma21.cpp
new file mode 100644
index 00000000000..e6dc6998691
--- /dev/null
+++ b/src/mame/drivers/sigma21.cpp
@@ -0,0 +1,90 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/****************************************************************************
+
+ Skeleton driver for "21" game by Sigma.
+
+ No real progress is to be expected until the program ROMs are redumped.
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/m6809/m6809.h"
+#include "machine/6821pia.h"
+#include "video/mc6845.h"
+#include "screen.h"
+
+class sigma21_state : public driver_device
+{
+public:
+ sigma21_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag)
+ , m_maincpu(*this, "maincpu")
+ {
+ }
+
+ void sigma21(machine_config &config);
+
+private:
+ MC6845_UPDATE_ROW(update_row);
+
+ void mem_map(address_map &map);
+
+ required_device<cpu_device> m_maincpu;
+};
+
+
+MC6845_UPDATE_ROW(sigma21_state::update_row)
+{
+}
+
+
+void sigma21_state::mem_map(address_map &map)
+{
+ map(0xc000, 0xc0ff).ram(); // NVRAM, maybe?
+ map(0xd800, 0xd800).w("crtc", FUNC(mc6845_device::address_w));
+ map(0xd801, 0xd801).w("crtc", FUNC(mc6845_device::register_w));
+ map(0xd804, 0xd807).rw("pia", FUNC(pia6821_device::read), FUNC(pia6821_device::write));
+ map(0xe800, 0xffff).rom().region("program", 0);
+}
+
+
+static INPUT_PORTS_START(sigma21)
+INPUT_PORTS_END
+
+
+void sigma21_state::sigma21(machine_config &config)
+{
+ MC6809(config, m_maincpu, 5600000); // exact type and clock unknown
+ m_maincpu->set_addrmap(AS_PROGRAM, &sigma21_state::mem_map);
+
+ PIA6821(config, "pia");
+
+ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
+ screen.set_raw(5600000, 360, 0, 256, 276, 0, 224); // copied from r2dtank; actual params are in badly dumped ROM
+ screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update));
+
+ mc6845_device &crtc(MC6845(config, "crtc", 700000));
+ crtc.set_screen("screen");
+ crtc.set_show_border_area(false);
+ crtc.set_char_width(8);
+ crtc.set_update_row_callback(FUNC(sigma21_state::update_row));
+}
+
+
+ROM_START(sigma21)
+ ROM_REGION(0x1800, "program", 0)
+ ROM_LOAD("21_108-.i35", 0x0000, 0x0800, CRC(06fde41e) SHA1(b2088c38b4455102bbe2edf6137d066a69bfd05d))
+ ROM_LOAD("21_108-.i36", 0x0800, 0x0800, CRC(6bfce933) SHA1(038f5b6a3b09506f9dc32933fb1dd284124a09aa) BAD_DUMP) // FIXED BITS (xxx1xxxx)
+ ROM_LOAD("21_108-.i37", 0x1000, 0x0800, CRC(79fb8f3e) SHA1(6245da1b26633a02cbbf19b23213096533840041) BAD_DUMP) // FIXED BITS (11xxxxxx)
+ ROM_FILL(0x17ff, 1, 0x00) // make at least the reset vector logical
+
+ ROM_REGION(0x1000, "gfx", 0)
+ ROM_LOAD("ic23.rom", 0x0000, 0x0800, CRC(ce045516) SHA1(439e82ccacd4c802bc4e6d72a7756933924ba5f5))
+ ROM_LOAD("ic25.rom", 0x0800, 0x0800, CRC(01e31462) SHA1(27bf1c18a6d28739649b693c66212c81e8cda297))
+
+ ROM_REGION(0x100, "proms", 0)
+ ROM_LOAD("bprom.bin", 0x000, 0x100, CRC(c0e5e4e0) SHA1(c42636c4723fe8b2b00868af5dd33c0608b3fecc))
+ROM_END
+
+GAME(197?, sigma21, 0, sigma21, sigma21, sigma21_state, empty_init, ROT0, "Sigma Enterprises", "21 (Sigma)", MACHINE_IS_SKELETON)
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 7249d1aa272..0bfa18d1138 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -36173,6 +36173,9 @@ sidepckt // (c) 1986 Data East Corporation
sidepcktb // bootleg
sidepcktj // (c) 1986 Data East Corporation
+@source:sigma21.cpp
+sigma21 //
+
@source:sigmab52.cpp
jwildb52 // (c) 199? Sigma
jwildb52a // (c) 199? Sigma