diff --git a/src/mame/drivers/wallc.cpp b/src/mame/drivers/wallc.cpp
index 1dbf2b24bc5..fb7adfeafa5 100644
--- a/src/mame/drivers/wallc.cpp
+++ b/src/mame/drivers/wallc.cpp
@@ -245,7 +245,7 @@ VIDEO_START_MEMBER(wallc_state, unkitpkr)
 
 VIDEO_START_MEMBER(wallc_state, sidampkr)
 {
-	m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(wallc_state::get_bg_tile_info_unkitpkr), this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
+	m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(wallc_state::get_bg_tile_info), this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
 }
 
 uint32_t wallc_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
@@ -303,7 +303,7 @@ void wallc_state::unkitpkr_map(address_map &map)
 	map(0x8000, 0x83ff).ram().w(this, FUNC(wallc_state::videoram_w)).mirror(0xc00).share("videoram");   /* 2114, 2114 */
 	map(0xa000, 0xa3ff).ram();     /* 2114, 2114 */
 
-	map(0xb000, 0xb000).portr("IN0");
+	map(0xb000, 0xb000).portr("DSW1");
 	map(0xb100, 0xb100).portr("IN1");
 	map(0xb200, 0xb200).portr("IN2");
 	map(0xb300, 0xb300).portr("IN3");
@@ -375,15 +375,15 @@ static INPUT_PORTS_START( wallc )
 INPUT_PORTS_END
 
 static INPUT_PORTS_START( unkitpkr )
-	PORT_START("IN0")    /* b000 */
-	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
-	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
-	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
-	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
-	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
-	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
-	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
-	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+	PORT_START("DSW1")    /* b000 */
+	PORT_DIPUNKNOWN_DIPLOC(0x01, 0x01, "SW1:1")
+	PORT_DIPUNKNOWN_DIPLOC(0x02, 0x02, "SW1:2")
+	PORT_DIPUNKNOWN_DIPLOC(0x04, 0x04, "SW1:3")
+	PORT_DIPUNKNOWN_DIPLOC(0x08, 0x08, "SW1:4")
+	PORT_DIPUNKNOWN_DIPLOC(0x10, 0x10, "SW1:5")
+	PORT_DIPUNKNOWN_DIPLOC(0x20, 0x20, "SW1:6")
+	PORT_DIPUNKNOWN_DIPLOC(0x40, 0x40, "SW1:7")
+	PORT_DIPUNKNOWN_DIPLOC(0x80, 0x80, "SW1:8")
 
 	PORT_START("IN1")    /* b100 */
 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
@@ -415,7 +415,7 @@ static INPUT_PORTS_START( unkitpkr )
 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_GAMBLE_DEAL )
 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )
 
-	PORT_START("DSW")      /* b600 */
+	PORT_START("DSW2")      /* b600 */
 	PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coin_A ) )   PORT_DIPLOCATION("SW2:1,2") // ok
 	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ) )
 	PORT_DIPSETTING(    0x01, DEF_STR( 1C_2C ) )
@@ -438,14 +438,20 @@ INPUT_PORTS_END
 static INPUT_PORTS_START( sidampkr )
 	PORT_INCLUDE(unkitpkr)
 
-	PORT_MODIFY("IN0")    /* b000 */
+	PORT_MODIFY("DSW1")    /* b000 */
 	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Language ) ) PORT_DIPLOCATION("SW1:1")
 	PORT_DIPSETTING(    0x00, DEF_STR( English ) )
 	PORT_DIPSETTING(    0x01, DEF_STR( French ) )
 	PORT_DIPUNKNOWN_DIPLOC( 0x02, 0x02, "SW1:2" )
-	PORT_DIPUNKNOWN_DIPLOC( 0x04, 0x04, "SW1:3" )
-	PORT_DIPUNKNOWN_DIPLOC( 0x08, 0x08, "SW1:4" )
-	PORT_DIPUNKNOWN_DIPLOC( 0x10, 0x10, "SW1:5" )
+	PORT_DIPNAME( 0x1c, 0x00, "Min/Max Bet" )  PORT_DIPLOCATION("SW1:3,4,5")
+	PORT_DIPSETTING(   0x00, "Min:1; Max:2" )
+	PORT_DIPSETTING(   0x04, "Min:1; Max:5" )
+	PORT_DIPSETTING(   0x08, "Min:1; Max:8" )
+	PORT_DIPSETTING(   0x0c, "Min:2; Max:10" )
+	PORT_DIPSETTING(   0x10, "Min:5; Max:15" )
+	PORT_DIPSETTING(   0x14, "Min:10; Max:20" )
+	PORT_DIPSETTING(   0x18, "Min:15; Max:30" )
+	PORT_DIPSETTING(   0x1c, "Min:20; Max:40" )
 	PORT_DIPUNKNOWN_DIPLOC( 0x20, 0x20, "SW1:6" )
 	PORT_DIPUNKNOWN_DIPLOC( 0x40, 0x40, "SW1:7" )
 	PORT_DIPUNKNOWN_DIPLOC( 0x80, 0x80, "SW1:8" )
@@ -550,7 +556,7 @@ MACHINE_CONFIG_START(wallc_state::unkitpkr)
 
 	/* sound hardware */
 	MCFG_DEVICE_MODIFY("aysnd")
-	MCFG_AY8910_PORT_A_READ_CB(IOPORT("DSW"))
+	MCFG_AY8910_PORT_A_READ_CB(IOPORT("DSW2"))
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
 MACHINE_CONFIG_END
 
@@ -771,5 +777,5 @@ GAME( 1984, wallc,    0,      wallc,    wallc,    wallc_state, wallc,    ROT0,
 GAME( 1984, wallca,   wallc,  wallca,   wallc,    wallc_state, wallca,   ROT0,   "Midcoin",          "Wall Crash (set 2)",                  MACHINE_SUPPORTS_SAVE )
 GAME( 1984, brkblast, wallc,  wallc,    wallc,    wallc_state, wallca,   ROT0,   "bootleg (Fadesa)", "Brick Blast (bootleg of Wall Crash)", MACHINE_SUPPORTS_SAVE ) // Spanish bootleg board, Fadesa stickers / text on various components
 
-GAME( 1984, sidampkr, 0,      sidampkr, sidampkr, wallc_state, sidam,    ROT270, "Sidam",            "unknown Sidam Poker",                 MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // strings in English and French, same codebase as unkitpkr
+GAME( 1984, sidampkr, 0,      sidampkr, sidampkr, wallc_state, sidam,    ROT270, "Sidam",            "unknown Sidam Poker",                 MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // needs correct decoding of the color PROM. Using the unkitpkr one gives correct colors and makes the game playable.
 GAME( 198?, unkitpkr, 0,      unkitpkr, unkitpkr, wallc_state, unkitpkr, ROT0,   "<unknown>",        "unknown Italian poker game",          MACHINE_SUPPORTS_SAVE )