Attempt fixing AAKART in blind faith ...

src/mame/drivers/aristmk5.c

@@ -420,13 +420,20 @@ static const i2cmem_interface i2cmem_interface =
 };
 #endif
 
+/* TODO: this isn't supposed to access a keyboard ... */
+static AAKART_INTERFACE( kart_interface )
+{
+	DEVCB_NULL,
+	DEVCB_NULL
+};
+
 static MACHINE_CONFIG_START( aristmk5, aristmk5_state )
 	MCFG_CPU_ADD("maincpu", ARM, 12000000)
 	MCFG_CPU_PROGRAM_MAP(aristmk5_drame_map)
     MCFG_WATCHDOG_TIME_INIT(attotime::from_seconds(2))	/* 1.6 - 2 seconds */
 
 //  MCFG_I2CMEM_ADD("i2cmem",i2cmem_interface)
-//	MCFG_AAKART_ADD("kart", 12000000) // TODO: frequency
+	MCFG_AAKART_ADD("kart", 12000000/128, kart_interface) // TODO: frequency
 
 	MCFG_SCREEN_ADD("screen", RASTER)
 	MCFG_SCREEN_REFRESH_RATE(60)

src/mess/drivers/pc9801.c

@@ -40,6 +40,7 @@
 	- AD&D Champions of Krynn
 	- AI Shougi (asserts upon loading)
 	- Aoki Ookami no Shiroki Mejika - Gengis Khan
+	- Arcshu
 	- Bokosuka Wars
 	- Dokkin Minako Sensei (2dd image)
 	- Jangou 2: floppy fails to load after the title screen;
@@ -58,7 +59,7 @@
 	- Anniversary - Memories of Summer: thinks that a button is pressed;
 	- Another Genesis: fails loading;
 	- Apple Club 1: how to pass an hand?
-	(Applesauce Pirates)
+	- Arctic: keyboard doesn't work?
 
 	- Dragon Buster: slight issue with window masking;
 	- Far Side Moon: doesn't detect sound board (tied to 0x00ec ports)

src/mess/video/upd7220.c

@@ -413,7 +413,7 @@ inline void upd7220_device::recompute_parameters()
 	visarea.max_y = m_al - 1;//vert_pix_total - m_vfp - 1;
 
 
-	if (1)
+	if (LOG)
 	{
 		printf("uPD7220 '%s' Screen: %u x %u @ %f Hz\n", tag(), horiz_pix_total, vert_pix_total, 1 / ATTOSECONDS_TO_DOUBLE(refresh));
 		printf("Visible Area: (%u, %u) - (%u, %u)\n", visarea.min_x, visarea.min_y, visarea.max_x, visarea.max_y);