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videoart: correct typo, small refactor

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hap 2023-10-25 15:14:10 +02:00
parent 986d8573c7
commit 458fbd98ea
1 changed files with 3 additions and 3 deletions
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6
src/mame/misc/videoart.cpp
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@ -174,7 +174,7 @@ void videoart_state::vram_w(offs_t offset, u8 data)
{ {
u8 low = m_ef9367->get_msl() & 7; u8 low = m_ef9367->get_msl() & 7;
data = BIT(data, low ^ 7); data = BIT(data, low ^ 7);
offset = (offset << 1 & 0x7ffe) | (low >> 2 & 1); offset = offset << 1 | BIT(low, 2);
if (data) if (data)
m_vram[offset] = m_color & 0xf; m_vram[offset] = m_color & 0xf;
@ -270,7 +270,7 @@ u8 videoart_state::portd_r()
// D6,D7: multiplexed inputs // D6,D7: multiplexed inputs
for (int i = 0; i < 3; i++) for (int i = 0; i < 3; i++)
if (!BIT(m_portb, 5 + i)) if (!BIT(m_portb, 5 + i))
data |= m_inputs[i]->read(); data |= m_inputs[i]->read() & 0xc0;
return ~data; return ~data;
} }
@ -288,7 +288,7 @@ static INPUT_PORTS_START( videoart )
PORT_START("IN1") PORT_START("IN1")
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_NAME("Horizontal") PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_NAME("Horizontal")
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_BUTTON3) PORT_NAME("Verical") PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_BUTTON3) PORT_NAME("Vertical")
PORT_START("IN2") PORT_START("IN2")
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_NAME("Draw") PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_NAME("Draw")