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fix regression (nw)

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This commit is contained in:
David Haywood 2016-01-25 00:19:08 +00:00
parent 35efd1f17e
commit 76572532a0
1 changed files with 5 additions and 2 deletions
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7
src/mame/machine/sms.cpp
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@ -851,8 +851,11 @@ void sms_state::setup_media_slots()
void sms_state::setup_bios()
{
m_BIOS = memregion("user1")->base();
m_bios_page_count = (m_BIOS ? memregion("user1")->bytes() / 0x4000 : 0);
if (memregion("user1") != nullptr)
{
m_BIOS = memregion("user1")->base();
m_bios_page_count = (m_BIOS ? memregion("user1")->bytes() / 0x4000 : 0);
}
if (m_BIOS == nullptr || m_BIOS[0] == 0x00)
{