diff --git a/src/mame/shared/vt100_kbd.cpp b/src/mame/shared/vt100_kbd.cpp
index de1fe7d944e..88b9436a910 100644
--- a/src/mame/shared/vt100_kbd.cpp
+++ b/src/mame/shared/vt100_kbd.cpp
@@ -147,7 +147,7 @@ static INPUT_PORTS_START(vt100_kbd)
 
 	PORT_START("LINEC")
 	PORT_BIT(0x7F, IP_ACTIVE_LOW, IPT_UNUSED)
-	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
+	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
 
 	PORT_START("LINED")
 	PORT_BIT(0x7F, IP_ACTIVE_LOW, IPT_UNUSED)
@@ -350,8 +350,8 @@ static INPUT_PORTS_START(ms7002)
 	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) // ВЗ?
 	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
 	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
-	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))
-	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
+	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNKNOWN)
+	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))
 
 	PORT_START("LINE1")
 	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
@@ -365,7 +365,7 @@ static INPUT_PORTS_START(ms7002)
 
 	PORT_START("LINE2")
 	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
-	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"ЛАТ (Latin)") // ЛАТ = латинские
+	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"ЗБ (Delete)") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) // ЗБ = забой
 	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) // ВС?
 	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"ПФ1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
 	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"ПФ2") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
@@ -375,7 +375,7 @@ static INPUT_PORTS_START(ms7002)
 
 	PORT_START("LINE3")
 	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('_') // note that this does NOT double as Ъ
-	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"ЗБ (Delete)") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) // ЗБ = забой
+	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"ЛАТ (Latin)") PORT_CODE(KEYCODE_HOME) PORT_CHAR(0x0f) // ЛАТ = латинские
 	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"ПРВ (Break)") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) // ПРВ = перерыв
 	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"ВШ (Back Space)") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(0x08) // ВШ = возврат на шаг
 	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
@@ -397,14 +397,14 @@ static INPUT_PORTS_START(ms7002)
 	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"П  P") PORT_CODE(KEYCODE_G) PORT_CHAR('p') PORT_CHAR('P') PORT_CHAR(0x10)
 	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"Ш  [") PORT_CODE(KEYCODE_I) PORT_CHAR('{') PORT_CHAR('[')
 	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(':') PORT_CHAR('*')
-	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"РУС  (Russian)") // РУС = русские
+	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"РУС  (Russian)") PORT_CODE(KEYCODE_END) PORT_CHAR(0x0e) // РУС = русские
 	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"Э  \\") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('|') PORT_CHAR('\\')
-	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) // possibly Keypad 9
+	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
 	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('.') PORT_CHAR('>')
 	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('/') PORT_CHAR('?')
 
 	PORT_START("LINE6")
-	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"О  O") PORT_CODE(KEYCODE_J) PORT_CHAR('o') PORT_CHAR('O') PORT_CHAR(0x0f)
+	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"О  O") PORT_CODE(KEYCODE_J) PORT_CHAR('o') PORT_CHAR('O')
 	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"И  I") PORT_CODE(KEYCODE_B) PORT_CHAR('i') PORT_CHAR('I')
 	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('9') PORT_CHAR(')')
 	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('8') PORT_CHAR('(')
@@ -420,7 +420,7 @@ static INPUT_PORTS_START(ms7002)
 	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('6') PORT_CHAR('&')
 	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"К  K") PORT_CODE(KEYCODE_R) PORT_CHAR('k') PORT_CHAR('K') PORT_CHAR(0x0b)
 	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"Й  J") PORT_CODE(KEYCODE_Q) PORT_CHAR('j') PORT_CHAR('J')
-	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"Н  N") PORT_CODE(KEYCODE_Y) PORT_CHAR('n') PORT_CHAR('N') PORT_CHAR(0x0e)
+	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"Н  N") PORT_CODE(KEYCODE_Y) PORT_CHAR('n') PORT_CHAR('N')
 	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
 
 	PORT_START("LINE8")