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changela: bool(~BIT(x)) is always true (does not fix steering problem)

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hap 2021-09-03 14:18:04 +02:00
parent 3ba31270ab
commit f17fb8295f
1 changed files with 1 additions and 1 deletions
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src/mame/drivers/changela.cpp
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@ -49,7 +49,7 @@ void changela_state::changela_68705_port_a_w(uint8_t data)
void changela_state::changela_68705_port_c_w(uint8_t data) void changela_state::changela_68705_port_c_w(uint8_t data)
{ {
/* PC3 is connected to the CLOCK input of the LS374, so we latch the data on rising edge */ /* PC3 is connected to the CLOCK input of the LS374, so we latch the data on rising edge */
if (BIT(data, 3) && ~BIT(m_port_c_out, 3)) if (BIT(data, 3) && !BIT(m_port_c_out, 3))
m_mcu_out = m_port_a_out & (BIT(m_port_c_out, 2) ? 0xff : m_mcu_in); m_mcu_out = m_port_a_out & (BIT(m_port_c_out, 2) ? 0xff : m_mcu_in);
/* PC2 is connected to the /OE input of the LS374 */ /* PC2 is connected to the /OE input of the LS374 */