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apple2: corrected Joyport multiplexing [Golden Child]

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This commit is contained in:
arbee 2019-09-06 22:08:00 -04:00
parent 18cbb7d521
commit 0075e8c519
1 changed files with 5 additions and 5 deletions
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10
src/devices/bus/a2gameio/joyport.cpp
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@ -76,23 +76,23 @@ void apple2_joyport_device::device_start()
READ_LINE_MEMBER(apple2_joyport_device::sw0_r)
{
u8 port_read = m_an1 ? m_player2->read() : m_player1->read();
u8 port_read = m_an0 ? m_player2->read() : m_player1->read();
return BIT(port_read, 4);
}
READ_LINE_MEMBER(apple2_joyport_device::sw1_r)
{
u8 port_read = m_an1 ? m_player2->read() : m_player1->read();
u8 port_read = m_an0 ? m_player2->read() : m_player1->read();
return m_an0 ? BIT(port_read, 0) : BIT(port_read, 3);
return m_an1 ? BIT(port_read, 0) : BIT(port_read, 3);
}
READ_LINE_MEMBER(apple2_joyport_device::sw2_r)
{
u8 port_read = m_an1 ? m_player2->read() : m_player1->read();
u8 port_read = m_an0 ? m_player2->read() : m_player1->read();
return m_an0 ? BIT(port_read, 2) : BIT(port_read, 1);
return m_an1 ? BIT(port_read, 2) : BIT(port_read, 1);
}
WRITE_LINE_MEMBER(apple2_joyport_device::an0_w)