New machines marked as NOT_WORKING

---
Casio SX1010 [Plamen Mihaylov]

scripts/target/mame/mess.lua

@@ -2023,6 +2023,7 @@ files {
 	MAME_DIR .. "src/mame/drivers/pv1000.cpp",
 	MAME_DIR .. "src/mame/drivers/pv2000.cpp",
 	MAME_DIR .. "src/mame/drivers/sk1.cpp",
+	MAME_DIR .. "src/mame/drivers/sx1000.cpp",
 	MAME_DIR .. "src/mame/drivers/rz1.cpp",
 	MAME_DIR .. "src/mame/drivers/casio_rompack.cpp",
 }

src/mame/drivers/sx1000.cpp

@@ -0,0 +1,137 @@
+// license:BSD-3-Clause
+// copyright-holders:Patrick Mackinlay
+
+/*
+ * Casio SX1010 and SX1050.
+ *
+ * Sources:
+ *
+ * TODO:
+ *   - skeleton only
+ */
+
+/*
+ * Preliminary parts list for 600-CPU-PCA CPU board:
+ *
+ * MC68010L10
+ * D8237AC-5
+ * HD63484-8
+ * D8251AFC
+ * D72065C
+ * D8259AC-2
+ * D8251AFC
+ * D65021G031    gate array
+ * D65030G024    gate array
+ * HN62301AP AA1 128k mask ROM
+ * HN62301AP AA2 128k mask ROM
+ * MB89321A      CMOS Programmable CRT Controller
+ * MB4108        ASSP Floppy Disk VFO
+ * RP5C15        RTC
+ * 48.8MHz XTAL
+ *
+ * D41256C-15    262144x1 DRAM, x36 == 1M with parity main RAM?
+ * MB81464-12    262144x1 DRAM, x16 == 512K video RAM?
+ * HM6264ALSP-12 8192-word 8-bit High Speed CMOS Static RAM, x2 == 16K non-volatile RAM?
+ */
+#include "emu.h"
+
+#include "cpu/m68000/m68000.h"
+
+// memory
+#include "machine/ram.h"
+
+// various hardware
+#include "machine/i8251.h"
+#include "machine/pic8259.h"
+#include "machine/upd765.h"
+#include "machine/am9517a.h"
+
+// video
+#include "screen.h"
+//#include "video/hd63484.h"
+
+// busses and connectors
+#include "bus/rs232/rs232.h"
+
+#include "debugger.h"
+
+#define VERBOSE 0
+#include "logmacro.h"
+
+namespace {
+
+class sx1000_state : public driver_device
+{
+public:
+	sx1000_state(machine_config const &mconfig, device_type type, char const *tag)
+		: driver_device(mconfig, type, tag)
+		, m_cpu(*this, "cpu")
+		, m_ram(*this, "ram")
+	{
+	}
+
+	void sx1010(machine_config &config);
+	void init_common();
+
+protected:
+	virtual void machine_start() override;
+	virtual void machine_reset() override;
+
+	void cpu_map(address_map &map);
+
+	void common(machine_config &config);
+
+private:
+	// devices
+	required_device<m68010_device> m_cpu;
+	required_device<ram_device> m_ram;
+};
+
+void sx1000_state::machine_start()
+{
+}
+
+void sx1000_state::machine_reset()
+{
+}
+
+void sx1000_state::init_common()
+{
+}
+
+void sx1000_state::cpu_map(address_map &map)
+{
+	map(0x000000, 0x00ffff).rom().region("eprom", 0); // FIXME: probably mapped/unmapped during reset
+
+	map(0xf00000, 0xf0ffff).rom().region("eprom", 0);
+}
+
+void sx1000_state::common(machine_config &config)
+{
+	M68010(config, m_cpu, 10'000'000);
+	m_cpu->set_addrmap(AS_PROGRAM, &sx1000_state::cpu_map);
+
+	// 36 x D41256C-15 (256Kb DRAM) on CPU board
+	RAM(config, m_ram);
+	m_ram->set_default_size("1M");
+}
+
+void sx1000_state::sx1010(machine_config &config)
+{
+	common(config);
+}
+
+static INPUT_PORTS_START(sx1010)
+INPUT_PORTS_END
+
+ROM_START(sx1010)
+	ROM_REGION16_BE(0x10000, "eprom", 0)
+	ROM_SYSTEM_BIOS(0, "sx1010", "sx1010")
+	ROMX_LOAD("pc1a.u6l8", 0x0001, 0x8000, CRC(75d0f02c) SHA1(dfcc7efc1b5e7b43fc1ee030bef5c75c23d5e742), ROM_SKIP(1) | ROM_BIOS(0))
+	ROMX_LOAD("pc1a.u6h8", 0x0000, 0x8000, CRC(a928c0c9) SHA1(712601ee889a0790a7579fe06df20ec7e0a4bb49), ROM_SKIP(1) | ROM_BIOS(0))
+ROM_END
+
+} // anonymous namespace
+
+/*   YEAR  NAME    PARENT  COMPAT  MACHINE  INPUT   CLASS         INIT         COMPANY  FULLNAME  FLAGS */
+COMP(1987, sx1010, 0,      0,      sx1010,  sx1010, sx1000_state, init_common, "Casio", "SX1010", MACHINE_IS_SKELETON)

src/mame/mame.lst

@@ -39784,6 +39784,9 @@ swtpc8212                       // Terminal
 @source:swyft.cpp
 swyft                           //
 
+@source:sx1000.cpp
+sx1010                          // Casio SX1010
+
 @source:sym1.cpp
 sym1                            // Synertek SYM-1
 

src/mame/mess.flt

@@ -1008,6 +1008,7 @@ swtpc.cpp
 swtpc09.cpp
 swtpc8212.cpp
 swyft.cpp
+sx1000.cpp
 sym1.cpp
 symbolics.cpp
 synthex.cpp