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Added screen enable bit, nw

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This commit is contained in:
angelosa 2016-03-07 19:26:49 +01:00
parent 63b07040e5
commit 113563182c
1 changed files with 7 additions and 0 deletions
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7
src/mame/drivers/sprcros2.cpp
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@ -100,6 +100,7 @@ public:
bool m_master_nmi_enable;
bool m_master_irq_enable;
bool m_slave_nmi_enable;
bool m_screen_enable;
UINT8 m_bg_scrollx, m_bg_scrolly;
protected:
// driver_device overrides
@ -191,6 +192,11 @@ void sprcros2_state::legacy_fg_draw(bitmap_ind16 &bitmap,const rectangle &clipre
UINT32 sprcros2_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect )
{
if(m_screen_enable == false)
{
bitmap.fill(0,cliprect);
return 0;
}
legacy_bg_draw(bitmap,cliprect);
legacy_obj_draw(bitmap,cliprect);
legacy_fg_draw(bitmap,cliprect);
@ -205,6 +211,7 @@ WRITE8_MEMBER(sprcros2_state::master_output_w)
membank("master_rombank")->set_entry((data&0x40)>>6);
m_master_nmi_enable = bool(data & 1);
m_screen_enable = bool(data & 4);
m_master_irq_enable = bool(data & 8);
// if(data & 0x80)
// m_master_cpu->set_input_line(0,HOLD_LINE);