diff --git a/src/mame/drivers/fidelz80.cpp b/src/mame/drivers/fidelz80.cpp
index fd14411bfef..7d0267af603 100644
--- a/src/mame/drivers/fidelz80.cpp
+++ b/src/mame/drivers/fidelz80.cpp
@@ -1025,7 +1025,8 @@ static ADDRESS_MAP_START( cc10_map, AS_PROGRAM, 8, fidelz80_state )
 	ADDRESS_MAP_UNMAP_HIGH
 	ADDRESS_MAP_GLOBAL_MASK(0x3fff)
 	AM_RANGE(0x0000, 0x0fff) AM_ROM
-	AM_RANGE(0x3000, 0x31ff) AM_MIRROR(0x0e00) AM_RAM
+	AM_RANGE(0x1000, 0x10ff) AM_MIRROR(0x0f00) AM_RAM
+	AM_RANGE(0x3000, 0x30ff) AM_MIRROR(0x0f00) AM_RAM
 ADDRESS_MAP_END
 
 static ADDRESS_MAP_START( vcc_map, AS_PROGRAM, 8, fidelz80_state )
@@ -1146,7 +1147,7 @@ static INPUT_PORTS_START( vcc_base )
 
 	PORT_START("IN.3")
 	PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("EN") PORT_CODE(KEYCODE_ENTER)
-	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("PV") PORT_CODE(KEYCODE_O)
+	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("PV") PORT_CODE(KEYCODE_V)
 	PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("D4") PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_CODE(KEYCODE_D)
 	PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("H8") PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_CODE(KEYCODE_H)
 
@@ -1215,7 +1216,7 @@ INPUT_PORTS_END
 static INPUT_PORTS_START( bcc )
 	PORT_START("IN.0")
 	PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("EN") PORT_CODE(KEYCODE_ENTER)
-	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("PV") PORT_CODE(KEYCODE_O)
+	PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("PV") PORT_CODE(KEYCODE_V)
 	PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("d4") PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_CODE(KEYCODE_D)
 	PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("H8") PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_CODE(KEYCODE_H)