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author | AJR <ajrhacker@users.noreply.github.com> | 2018-04-02 19:43:55 -0400 |
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committer | AJR <ajrhacker@users.noreply.github.com> | 2018-04-02 19:43:55 -0400 |
commit | 0ff709ed13cb883583ea3f6b0da6aa2f7f813604 (patch) | |
tree | be13a1268c7fd75694426c8fe36c9672a4748daf | |
parent | 8ed432758a575a17479a35af7c777fcd23967fc4 (diff) |
Unbreak marble (nw)
-rw-r--r-- | src/mame/drivers/atarisy1.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mame/drivers/atarisy1.cpp b/src/mame/drivers/atarisy1.cpp index f39bd664a8c..0ca86d8b373 100644 --- a/src/mame/drivers/atarisy1.cpp +++ b/src/mame/drivers/atarisy1.cpp @@ -273,6 +273,9 @@ READ8_MEMBER(atarisy1_state::adc_r) WRITE8_MEMBER(atarisy1_state::adc_w) { + if (!m_adc.found()) + return; + m_adc->address_offset_start_w(space, offset & 7, 0); /* the A4 bit enables/disables joystick IRQs */ |