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casio/pv1000.cpp: IRQs were broken in a08b1138: now commercial games work again (#12631)

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lidnariq 2024-07-30 16:23:59 +01:00 committed by GitHub
parent 6435d1b7b5
commit c92333ab60
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1 changed files with 7 additions and 3 deletions
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src/mame/casio/pv1000.cpp
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@ -391,7 +391,7 @@ TIMER_CALLBACK_MEMBER(pv1000_state::d65010_irq_on_cb)
int vpos = m_screen->vpos(); int vpos = m_screen->vpos();
int next_vpos = vpos + 4; int next_vpos = vpos + 4;
if(vpos == 195) if(vpos == 20)
m_fd_buffer_flag |= 1; /* TODO: exact timing of this */ m_fd_buffer_flag |= 1; /* TODO: exact timing of this */
/* Set IRQ line and schedule release of IRQ line */ /* Set IRQ line and schedule release of IRQ line */
@ -399,9 +399,13 @@ TIMER_CALLBACK_MEMBER(pv1000_state::d65010_irq_on_cb)
m_irq_off_timer->adjust(m_screen->time_until_pos(vpos, 380/2)); m_irq_off_timer->adjust(m_screen->time_until_pos(vpos, 380/2));
/* Schedule next IRQ trigger */ /* Schedule next IRQ trigger */
if (vpos >= 281) if (vpos >= 258)
{ {
next_vpos = 221; next_vpos = 0; // 262=0, 4, 8, 12, 16, 20
}
else if (vpos >= 20 && vpos < 222)
{
next_vpos = 222; // 226, 230, 234, 238, 242, 246, 250, 254, 258
} }
m_irq_on_timer->adjust(m_screen->time_until_pos(next_vpos, 224)); m_irq_on_timer->adjust(m_screen->time_until_pos(next_vpos, 224));
} }