added tms1024 device placeholder

scripts/src/machine.lua

@@ -2070,6 +2070,18 @@ if (MACHINES["TMP68301"]~=null) then
 	}
 end
 
+---------------------------------------------------
+--
+--@src/emu/machine/tms1024.h,MACHINES += TMS1024
+---------------------------------------------------
+
+if (MACHINES["TMS1024"]~=null) then
+	files {
+		MAME_DIR .. "src/emu/machine/tms1024.c",
+		MAME_DIR .. "src/emu/machine/tms1024.h",
+	}
+end
+
 ---------------------------------------------------
 --
 --@src/emu/machine/tms5501.h,MACHINES += TMS5501

scripts/target/mame/arcade.lua

@@ -557,6 +557,7 @@ MACHINES["STEPPERS"] = true
 --MACHINES["WOZFDC"] = true
 --MACHINES["DIABLO_HD"] = true
 MACHINES["PCI9050"] = true
+--MACHINES["TMS1024"] = true
 
 --------------------------------------------------
 -- specify available bus cores

scripts/target/mame/mess.lua

@@ -556,6 +556,7 @@ MACHINES["STEPPERS"] = true
 MACHINES["CORVUSHD"] = true
 MACHINES["WOZFDC"] = true
 MACHINES["DIABLO_HD"] = true
+MACHINES["TMS1024"] = true
 
 --------------------------------------------------
 -- specify available bus cores

src/emu/machine/tms1024.c

@@ -0,0 +1,43 @@
+// license:BSD-3-Clause
+// copyright-holders:hap
+/**********************************************************************
+
+    Texas Instruments TMS1024, TMS1025 I/O expander emulation
+
+**********************************************************************/
+
+#include "machine/tms1024.h"
+
+
+const device_type TMS1024 = &device_creator<tms1024_device>;
+
+//-------------------------------------------------
+//  tms1024_device - constructor
+//-------------------------------------------------
+
+tms1024_device::tms1024_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+	: device_t(mconfig, TMS1024, "TMS1024", tag, owner, clock, "tms1024", __FILE__)
+{
+}
+
+//-------------------------------------------------
+//  device_start - device-specific startup
+//-------------------------------------------------
+
+void tms1024_device::device_start()
+{
+	// resolve callbacks
+
+	// register for savestates
+}
+
+//-------------------------------------------------
+//  device_reset - device-specific reset
+//-------------------------------------------------
+
+void tms1024_device::device_reset()
+{
+}
+
+
+// handlers

src/emu/machine/tms1024.h

@@ -0,0 +1,52 @@
+// license:BSD-3-Clause
+// copyright-holders:hap
+/**********************************************************************
+
+    Texas Instruments TMS1024, TMS1025 I/O expander emulation
+
+**********************************************************************
+
+
+
+
+
+**********************************************************************/
+
+#ifndef _TMS1024_H_
+#define _TMS1024_H_
+
+#include "emu.h"
+
+
+//**************************************************************************
+//  INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_TMS1024_ADD(_tag) \
+	MCFG_DEVICE_ADD(_tag, TMS1024, 0)
+
+
+//**************************************************************************
+//  TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> tms1024_device
+
+class tms1024_device : public device_t
+{
+public:
+	tms1024_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+	// static configuration helpers
+
+protected:
+	// device-level overrides
+	virtual void device_start();
+	virtual void device_reset();
+};
+
+// device type definition
+extern const device_type TMS1024;
+
+
+#endif /* _TMS1024_H_ */

src/mess/drivers/hh_tms1k.c

@@ -91,6 +91,7 @@
 ***************************************************************************/
 
 #include "includes/hh_tms1k.h"
+#include "machine/tms1024.h"
 #include "sound/beep.h"
 
 // internal artwork