update some notes

Author: David Haywood

src/mame/tvgames/xavix.cpp

@@ -2850,7 +2850,8 @@ CONS( 2005, has_wamg,  0,          0,  xavix_4mb,        has_wamg, xavix_state,
 CONS( 2002, tak_geig,  0,          0,  xavix_4mb_nv,     tak_geig, xavix_state,          init_xavix,    "Takara / SSD Company LTD",                     "Geigeki Go Go Shooting (Japan)", MACHINE_IMPERFECT_SOUND )
 
 // TVホッケー
-// playable but could do with better deadzome handling on the controls at least, and for some reason auto-center heads to the bottom left corner in breakout mode?
+// playable but could do with better deadzome handling on the controls at least
+// the trackball functionality works well in the menus, but not the games
 CONS( 2001, tom_tvho,  0,          0,  xavix_tom_tvho,   tom_tvho, xavix_tom_tvho_state, init_xavix,    "Tomy / SSD Company LTD",                       "TV Hockey (Japan)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND )
 
 // コメットさん☆ラブリンバトン

src/mame/tvgames/xavix_2002.cpp

@@ -819,10 +819,8 @@ CONS( 2009, apmj2009, 0, 0, superxavix_i2c_24c16,    xavix_i2c,  superxavix_i2c_
 // has HT24LC16
 CONS( 2008, udance,   0, 0, xavix2002, xavix, superxavix_state, init_xavix, "Tiger / SSD Company LTD", "U-Dance", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )
 
-// these have RAM in the usual ROM space (still needs handling) & also have an Atmel 24LC64,
-// this one (pet themed) boots to the desktop (as do the 'hamtaro' 'eccjr' cartridges)
+// these have RAM in the usual ROM space & also have an Atmel 24LC64,
 CONS( 2004, suprtvpc,    0,        0, superxavix_super_tv_pc,    suprtvpc,      superxavix_super_tv_pc_state, init_stvpc, "Epoch / SSD Company LTD", "Super TV-PC (Japan)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )
-// hangs after 'loading' sequence
 CONS( 2006, suprtvpchk,  suprtvpc, 0, superxavix_super_tv_pc,    suprtvpc,      superxavix_super_tv_pc_state, init_stvpc, "Epoch / SSD Company LTD", "Super TV-PC - Hello Kitty (Japan)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )
 CONS( 2006, suprtvpcdo,  suprtvpc, 0, superxavix_super_tv_pc,    suprtvpc,      superxavix_super_tv_pc_state, init_stvpc, "Epoch / SSD Company LTD", "Super TV-PC - Doraemon (Japan)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )