diff options
-rw-r--r-- | src/mame/drivers/apple2gs.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mame/drivers/apple2gs.cpp b/src/mame/drivers/apple2gs.cpp index 8895c45825c..6b48b653d8b 100644 --- a/src/mame/drivers/apple2gs.cpp +++ b/src/mame/drivers/apple2gs.cpp @@ -2306,6 +2306,12 @@ READ8_MEMBER(apple2gs_state::c000_r) case 0x46: // INTFLAG return (m_an3 ? INTFLAG_AN3 : 0x00) | m_intflag; + case 0x47: // CLRVBLINT + m_intflag &= ~INTFLAG_VBL; + lower_irq(IRQS_VBL); + lower_irq(IRQS_QTRSEC); + return read_floatingbus(); + case 0x60: // button 3 on IIgs return m_gameio->sw3_r() | uFloatingBus7; |