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Fixed MT05631 (nw)

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This commit is contained in:
Ivan Vangelista 2014-07-27 16:22:31 +00:00
parent 4ca32baa67
commit 1298cb27a2
1 changed files with 14 additions and 9 deletions
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23
src/mame/machine/amiga.c
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@ -337,15 +337,18 @@ TIMER_CALLBACK_MEMBER( amiga_state::scanline_callback )
m_cia_0->tod_w(0);
}
// pot counters (start counting at 7 (ntsc) or 8 (pal))
if (BIT(CUSTOM_REG(REG_POTGO), 0) && (scanline /2 ) > 7)
if (m_potgo_port)
{
m_pot0x += !(m_potgo_port->read() & 0x0100);
m_pot0y += !(m_potgo_port->read() & 0x0400);
m_pot1x += !(m_potgo_port->read() & 0x1000);
m_pot1y += !(m_potgo_port->read() & 0x4000);
// pot counters (start counting at 7 (ntsc) or 8 (pal))
if (BIT(CUSTOM_REG(REG_POTGO), 0) && (scanline /2 ) > 7)
{
m_pot0x += !(m_potgo_port->read() & 0x0100);
m_pot0y += !(m_potgo_port->read() & 0x0400);
m_pot1x += !(m_potgo_port->read() & 0x1000);
m_pot1y += !(m_potgo_port->read() & 0x4000);
}
}
// render up to this scanline
if (!m_screen->update_partial(scanline))
{
@ -1240,10 +1243,12 @@ READ16_MEMBER( amiga_state::custom_chip_r )
return CUSTOM_REG(REG_SERDATR);
case REG_JOY0DAT:
return joy0dat_r();
if (state->m_joy0dat_port)
return joy0dat_r();
case REG_JOY1DAT:
return joy1dat_r();
if (state->m_joy1dat_port)
return joy1dat_r();
case REG_POTGOR:
if (state->m_potgo_port)