diff --git a/src/emu/cpu/cop400/410ops.c b/src/emu/cpu/cop400/410ops.c
index bbc42849eaa..c5287940491 100644
--- a/src/emu/cpu/cop400/410ops.c
+++ b/src/emu/cpu/cop400/410ops.c
@@ -19,6 +19,10 @@ struct _cop400_state
 {
 	const cop400_interface *intf;
 
+    const address_space *program;
+    const address_space *data;
+    const address_space *io;
+
 	/* registers */
 	UINT10 	pc;	   			/* 11-bit ROM address program counter */
 	UINT10	prevpc;			/* previous value of program counter */
@@ -32,6 +36,8 @@ struct _cop400_state
 	UINT4	sio;			/* 4-bit shift register and counter */
 	UINT1	skl;			/* 1-bit latch for SK output */
 	UINT8	si;				/* serial input */
+	UINT4	h;				/* 4-bit general purpose I/O port (COP440 only) */
+	UINT8	r;				/* 8-bit general purpose I/O port (COP440 only) */
 
 	/* counter */
 	UINT8	t;				/* 8-bit timer */
@@ -77,12 +83,11 @@ typedef struct {
 
 #define INSTRUCTION(mnemonic) INLINE void (mnemonic)(cop400_state *cop400, UINT8 opcode)
 
-#define ROM(addr)			program_decrypted_read_byte(addr)
-#define RAM_W(addr, value)	(data_write_byte_8le(addr, value))
-#define RAM_R(addr)			(data_read_byte_8le(addr))
-
-#define IN(addr)			io_read_byte_8le(addr)
-#define OUT(addr, value)	io_write_byte_8le(addr, value)
+#define ROM(a)			memory_decrypted_read_byte(cop400->program, a)
+#define RAM_R(a)		memory_read_byte_8le(cop400->data, a)
+#define RAM_W(a, v)		memory_write_byte_8le(cop400->data, a, v)
+#define IN(a)			memory_read_byte_8le(cop400->io, a)
+#define OUT(a, v)		memory_write_byte_8le(cop400->io, a, v)
 
 #define A				cop400->a
 #define B				cop400->b
diff --git a/src/emu/cpu/cop400/cop400.h b/src/emu/cpu/cop400/cop400.h
index 0726d84fc93..58feef345eb 100644
--- a/src/emu/cpu/cop400/cop400.h
+++ b/src/emu/cpu/cop400/cop400.h
@@ -14,13 +14,18 @@
 #ifndef __COP400__
 #define __COP400__
 
-#define COP400_PORT_L	0x100
-#define COP400_PORT_G	0x101
-#define COP400_PORT_D	0x102
-#define	COP400_PORT_IN	0x103
-#define	COP400_PORT_SK	0x104
-#define	COP400_PORT_SIO	0x105
-#define	COP400_PORT_CKO	0x106
+enum
+{
+	COP400_PORT_L = 0x100,
+	COP400_PORT_G,
+	COP400_PORT_D,
+	COP400_PORT_H,
+	COP400_PORT_R,
+	COP400_PORT_IN,
+	COP400_PORT_SK,
+	COP400_PORT_SIO,
+	COP400_PORT_CKO
+};
 
 enum
 {
@@ -29,6 +34,8 @@ enum
 	COP400_B,
 	COP400_C,
 	COP400_G,
+	COP400_H,
+	COP400_R,
 	COP400_EN,
 	COP400_Q,
     COP400_SA,
diff --git a/src/emu/cpu/cop400/cop410.c b/src/emu/cpu/cop400/cop410.c
index b5c2cf37b3f..fe7f49e8035 100644
--- a/src/emu/cpu/cop400/cop410.c
+++ b/src/emu/cpu/cop400/cop410.c
@@ -21,6 +21,8 @@
 
 */
 
+#define NO_LEGACY_MEMORY_HANDLERS    1
+
 #include "driver.h"
 #include "cpuintrf.h"
 #include "debugger.h"
@@ -182,6 +184,12 @@ static CPU_INIT( cop410 )
 	cop400->device = device;
 	cop400->intf = (cop400_interface *) device->static_config;
 
+	/* get address spaces */
+
+	cop400->program = cpu_get_address_space(device, ADDRESS_SPACE_PROGRAM);
+	cop400->data = cpu_get_address_space(device, ADDRESS_SPACE_DATA);
+	cop400->io = cpu_get_address_space(device, ADDRESS_SPACE_IO);
+
 	/* set output pin masks */
 
 	cop400->g_mask = 0x0f;
diff --git a/src/emu/cpu/cop400/cop420.c b/src/emu/cpu/cop400/cop420.c
index 733dd70cf07..6c957e4dce7 100644
--- a/src/emu/cpu/cop400/cop420.c
+++ b/src/emu/cpu/cop400/cop420.c
@@ -23,6 +23,8 @@
 
 */
 
+#define NO_LEGACY_MEMORY_HANDLERS    1
+
 #include "driver.h"
 #include "cpuintrf.h"
 #include "debugger.h"
@@ -184,6 +186,12 @@ static CPU_INIT( cop420 )
 	cop400->device = device;
 	cop400->intf = (cop400_interface *) device->static_config;
 
+	/* get address spaces */
+
+	cop400->program = cpu_get_address_space(device, ADDRESS_SPACE_PROGRAM);
+	cop400->data = cpu_get_address_space(device, ADDRESS_SPACE_DATA);
+	cop400->io = cpu_get_address_space(device, ADDRESS_SPACE_IO);
+
 	/* set output pin masks */
 
 	cop400->g_mask = 0x0f;	// G0-G3 available
diff --git a/src/emu/cpu/cop400/cop440.c b/src/emu/cpu/cop400/cop440.c
index 2a96f37597d..95ecbb37d39 100644
--- a/src/emu/cpu/cop400/cop440.c
+++ b/src/emu/cpu/cop400/cop440.c
@@ -13,7 +13,8 @@
 
     TODO:
 
-	- COP441
+	- rename this file to cop444.c
+	- COP440/COP441/COP442 (new registers: 4-bit H, 8-bit R; some new opcodes, 2Kx8 ROM, 160x4 RAM)
 	- COP404 emulation configuration inputs
 	- RAM bus width
 	- get rid of LBIOps/InstLen
@@ -26,6 +27,8 @@
 
 */
 
+#define NO_LEGACY_MEMORY_HANDLERS    1
+
 #include "driver.h"
 #include "cpuintrf.h"
 #include "debugger.h"
@@ -195,6 +198,12 @@ static CPU_INIT( cop444 )
 	cop400->device = device;
 	cop400->intf = (cop400_interface *) device->static_config;
 
+	/* get address spaces */
+
+	cop400->program = cpu_get_address_space(device, ADDRESS_SPACE_PROGRAM);
+	cop400->data = cpu_get_address_space(device, ADDRESS_SPACE_DATA);
+	cop400->io = cpu_get_address_space(device, ADDRESS_SPACE_IO);
+
 	/* set output pin masks */
 
 	cop400->g_mask = 0x0f;	// G0-G3 available