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svision: fixed crash at start (nw)

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This commit is contained in:
Robbbert 2016-03-21 02:12:26 +11:00
parent d5aa425387
commit 2659af685e
1 changed files with 3 additions and 2 deletions
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5
src/mame/drivers/svision.cpp
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@ -470,10 +470,11 @@ DEVICE_IMAGE_LOAD_MEMBER( svision_state, svision_cart )
void svision_state::machine_start()
{
int num_banks;
int num_banks = 0;
std::string region_tag;
m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str());
num_banks = m_cart_rom->bytes() / 0x4000;
if (m_cart_rom)
num_banks = m_cart_rom->bytes() / 0x4000;
m_bank1 = membank("bank1");
m_bank2 = membank("bank2");