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(MESS) uzebox: added a configuration switch for the AD725 CE. (nw)

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This commit is contained in:
Sandro Ronco 2013-01-02 19:50:04 +00:00
parent adf6d194a3
commit 223b2361f4
1 changed files with 6 additions and 1 deletions
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7
src/mess/drivers/uzebox.c
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@ -120,7 +120,7 @@ WRITE8_MEMBER(uzebox_state::port_b_w)
// ---- ---x AD725 HSYNC
// AD725 CE is hard-wired to VCC in early revisions (C1, D1 and E1)
//if (m_port_b & 0x10)
if ((m_port_b & 0x10) || ioport("AD725_CE")->read() == 0)
if ((m_port_b ^ data) & m_port_b & 0x01)
{
line_update();
@ -229,6 +229,11 @@ static INPUT_PORTS_START( uzebox )
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("P2 Button L") PORT_PLAYER(2)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("P2 Button R") PORT_PLAYER(2)
PORT_BIT( 0xf000, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("AD725_CE")
PORT_CONFNAME( 0x01, 0x00, "AD725 CE" )
PORT_CONFSETTING( 0x00, "VCC" )
PORT_CONFSETTING( 0x01, "PB4" )
INPUT_PORTS_END
/****************************************************\