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Diffstat (limited to 'src/mame/drivers/apple2e.cpp')
-rw-r--r-- | src/mame/drivers/apple2e.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mame/drivers/apple2e.cpp b/src/mame/drivers/apple2e.cpp index dc0ea99767e..732a525b6d5 100644 --- a/src/mame/drivers/apple2e.cpp +++ b/src/mame/drivers/apple2e.cpp @@ -1319,8 +1319,11 @@ void apple2e_state::do_io(address_space &space, int offset, bool is_iic) break; case 0x50: // graphics mode - machine().first_screen()->update_now(); - m_video->m_graphics = true; + if (m_video->m_graphics == false) // avoid flickering from II+ refresh polling + { + machine().first_screen()->update_now(); + m_video->m_graphics = true; + } break; case 0x51: // text mode |