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-rw-r--r--hash/a2600.xml6
-rw-r--r--src/mess/drivers/a2600.c11
2 files changed, 14 insertions, 3 deletions
diff --git a/hash/a2600.xml b/hash/a2600.xml
index 5debf8e9d52..f61f556b6d0 100644
--- a/hash/a2600.xml
+++ b/hash/a2600.xml
@@ -217,6 +217,7 @@ Info from Atariage and Atarimania
<info name="serial" value="CX26137" /> <!-- Not Sure About it. -->
<sharedfeat name="compatibility" value="NTSC"/>
<part name="cart" interface="a2600_cart">
+ <feature name="mapper" value="4in1" />
<dataarea name="rom" size="8192">
<rom name="4 in 1 - canyon bomber, home run, night driver, sky diver (02-19-1987) (atari) (cx26137) (prototype).bin" size="8192" crc="8b304851" sha1="bc60987b668d6fa26c49f5aba5815622710140d9" offset="0" />
</dataarea>
@@ -230,17 +231,20 @@ Info from Atariage and Atarimania
<info name="serial" value="P460" />
<sharedfeat name="compatibility" value="PAL"/>
<part name="cart" interface="a2600_cart">
+ <feature name="mapper" value="4in1" />
<dataarea name="rom" size="16384">
<rom name="4 game in one - rodeo champ, open sesame, bobby is going home, festival.bin" size="16384" crc="69ca1a92" sha1="b6193826df511f39077013369e625e56577f2f36" offset="0" />
</dataarea>
</part>
</software>
- <software name="4game1a" supported="no">
+ <software name="4game1a">
<description>4 Game in One - Ice Hockey + Phantom UFO + Spy Vs. Spy + Cosmic Avenger</description>
<year>198?</year>
<publisher>Bitcorp</publisher>
+ <sharedfeat name="compatibility" value="PAL"/>
<part name="cart" interface="a2600_cart">
+ <feature name="mapper" value="4in1" />
<dataarea name="rom" size="16384">
<rom name="4 game in one - ice hockey, phantom ufo, spy vs. spy, cosmic avenger.bin" size="16384" crc="caf86fa7" sha1="724c1ce352d0219699892f7c78083f825a71ac1a" offset="0" />
</dataarea>
diff --git a/src/mess/drivers/a2600.c b/src/mess/drivers/a2600.c
index db8bed6297a..36e1d4a266b 100644
--- a/src/mess/drivers/a2600.c
+++ b/src/mess/drivers/a2600.c
@@ -198,7 +198,8 @@ enum
modeDPC,
mode32in1,
modeJVP,
- mode8in1
+ mode8in1,
+ mode4in1
};
static const UINT16 supported_screen_heights[4] = { 262, 312, 328, 342 };
@@ -609,7 +610,8 @@ static DEVICE_IMAGE_LOAD( a2600_cart )
{
static const struct { const char *mapper_name; int mapper_type; } mapper_types[] =
{
- { "8in1", mode8in1 },
+ { "4in1", mode4in1 },
+ { "8in1", mode8in1 },
};
for (int i = 0; i < ARRAY_LENGTH(mapper_types) && state->m_banking_mode == 0xff; i++)
@@ -1906,6 +1908,11 @@ void a2600_state::machine_reset()
install_banks(1, 0x0000);
break;
+ case mode4in1:
+ m_current_reset_bank_counter = m_current_reset_bank_counter & 0x03;
+ install_banks(1, m_current_reset_bank_counter * 0x1000);
+ break;
+
case mode8in1:
m_current_reset_bank_counter = m_current_reset_bank_counter & 0x07;
if ( m_current_reset_bank_counter == 7 )