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x68k: added brightness control, used for fade in/out effects.

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This commit is contained in:
mahlemiut 2015-08-25 21:51:37 +12:00
parent cfa93c3750
commit 4809f28558
1 changed files with 1 additions and 1 deletions
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2
src/mess/drivers/x68k.c
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@ -814,7 +814,7 @@ WRITE16_MEMBER(x68k_state::x68k_sysport_w)
{
case 0x00:
m_sysport.contrast = data & 0x0f; // often used for screen fades / blanking
// TODO: implement a decent, not slow, brightness control
m_screen->set_brightness(m_sysport.contrast * 0x11);
break;
case 0x01:
m_sysport.monitor = data & 0x08;