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scn2674: correct the row on which a split occurs. Fixes Octopus display of the last row before the status line split.

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This commit is contained in:
mahlemiut 2016-11-02 18:39:34 +13:00
parent 46c596dace
commit d73b45f2c5
1 changed files with 2 additions and 2 deletions
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4
src/devices/video/scn2674.cpp
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@ -676,7 +676,7 @@ void scn2674_device::device_timer(emu_timer &timer, device_timer_id id, int para
} }
} }
if((m_linecounter == (m_IR12_split_register_1 * m_IR0_scanline_per_char_row)) && m_linecounter) /* Split Screen 1 */ if((m_linecounter == ((m_IR12_split_register_1+1) * m_IR0_scanline_per_char_row)) && m_linecounter) /* Split Screen 1 */
{ {
m_status_register |= 0x04; m_status_register |= 0x04;
if(m_irq_mask & 0x04) if(m_irq_mask & 0x04)
@ -692,7 +692,7 @@ void scn2674_device::device_timer(emu_timer &timer, device_timer_id id, int para
dw = m_IR14_double_1; dw = m_IR14_double_1;
} }
if((m_linecounter == (m_IR13_split_register_2 * m_IR0_scanline_per_char_row)) && m_linecounter) /* Split Screen 2 */ if((m_linecounter == ((m_IR13_split_register_2+1) * m_IR0_scanline_per_char_row)) && m_linecounter) /* Split Screen 2 */
{ {
m_status_register |= 0x01; m_status_register |= 0x01;
if(m_irq_mask & 0x01) if(m_irq_mask & 0x01)