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(MESS) uzebox: small change for games that only works on early revisions. (nw)

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This commit is contained in:
Sandro Ronco 2013-01-02 12:25:12 +00:00
parent 472c90f60a
commit 7c17cd2e47
2 changed files with 11 additions and 5 deletions
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13
hash/uzebox.xml
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@ -110,7 +110,8 @@
</part>
</software>
<software name="claydemo" supported="no">
<software name="claydemo">
<!-- this demo is compatible with Uzebox revisions C1, D1 and E1 -->
<description>Clay Demo</description>
<year>2008</year>
<publisher>Belogic</publisher>
@ -543,7 +544,8 @@
</part>
</software>
<software name="snakes" supported="no">
<software name="snakes">
<!-- this game is compatible with Uzebox revisions C1, D1 and E1 -->
<description>Snakes</description>
<year>2008</year>
<publisher>Belogic</publisher>
@ -905,7 +907,8 @@
</part>
</software>
<software name="scrolld" supported="no">
<software name="scrolld">
<!-- this demo is compatible with Uzebox revisions C1, D1 and E1 -->
<description>Clay's Scroll Demo</description>
<year>2010</year>
<publisher>Belogic</publisher>
@ -950,7 +953,8 @@
</part>
</software>
<software name="sprited1" supported="no">
<software name="sprited1">
<!-- this demo is compatible with Uzebox revisions C1, D1 and E1 -->
<description>Sprite Demo 1</description>
<year>2010</year>
<publisher>Belogic</publisher>
@ -1084,6 +1088,7 @@
</software>
<software name="vectord2" supported="no">
<!-- this demo assumes that the RAM is mirrored at 0x1100-0x20ff and probably doesn't works on real HW -->
<description>Vector Demo 2</description>
<year>2009</year>
<publisher>Belogic</publisher>

3
src/mess/drivers/uzebox.c
View File

@ -119,7 +119,8 @@ WRITE8_MEMBER(uzebox_state::port_b_w)
// ---- -xx- NC
// ---- ---x AD725 HSYNC
if (m_port_b & 0x10)
// AD725 CE is hard-wired to VCC in early revisions (C1, D1 and E1)
//if (m_port_b & 0x10)
if ((m_port_b ^ data) & m_port_b & 0x01)
{
line_update();