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(MESS) Mac: cleaned up and fixed NuBus IRQ handling for machines with fake VIA2s. [R. Belmont]

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R. Belmont 2013-07-28 04:27:53 +00:00
parent 663dafa79b
commit 2cbb380d09
1 changed files with 4 additions and 3 deletions
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7
src/mess/machine/mac.c
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@ -107,7 +107,8 @@
#define AUDIO_IS_CLASSIC (m_model <= MODEL_MAC_CLASSIC)
#define MAC_HAS_VIA2 ((m_model >= MODEL_MAC_II) && (m_model != MODEL_MAC_IIFX))
#define ASC_INTS_RBV ((mac->m_model >= MODEL_MAC_IICI) && (mac->m_model <= MODEL_MAC_IIVI)) || ((mac->m_model >= MODEL_MAC_LC) && (mac->m_model <= MODEL_MAC_COLOR_CLASSIC))
#define ASC_INTS_RBV ((mac->m_model >= MODEL_MAC_IICI) && (mac->m_model <= MODEL_MAC_IIVI)) || ((mac->m_model >= MODEL_MAC_LC) && (mac->m_model <= MODEL_MAC_LC_580))
#define INTS_RBV ((m_model >= MODEL_MAC_IICI) && (m_model <= MODEL_MAC_IIVI)) || ((m_model >= MODEL_MAC_LC) && (m_model <= MODEL_MAC_LC_580))
#ifdef MAME_DEBUG
#define LOG_ADB 0
@ -2122,7 +2123,7 @@ void mac_state::nubus_slot_interrupt(UINT8 slot, UINT32 state)
m_nubus_irq_state |= masks[slot];
}
if ((m_model != MODEL_MAC_IIFX) && (m_model != MODEL_MAC_IICI) && (m_model != MODEL_MAC_IISI))
if ((m_model != MODEL_MAC_IIFX) && (!INTS_RBV))
{
if ((m_nubus_irq_state & mask) != mask)
{
@ -2139,7 +2140,7 @@ void mac_state::nubus_slot_interrupt(UINT8 slot, UINT32 state)
}
}
if ((m_model == MODEL_MAC_IICI) || (m_model == MODEL_MAC_IISI) || (m_model == MODEL_MAC_IIVX) || (m_model == MODEL_MAC_IIVI))
if (INTS_RBV)
{
m_rbv_regs[2] &= ~0x38;
m_rbv_regs[2] |= (m_nubus_irq_state & 0x38);