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sega/sg1000.cpp: SG-1000 only has one control port; prevent Othello Multivisions from segfaulting. (#10694)

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0kmg 2022-12-17 11:39:22 -08:00 committed by GitHub
parent e3f3949d97
commit 00d49e7b00
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1 changed files with 5 additions and 3 deletions
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src/mame/sega/sg1000.cpp
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@ -566,8 +566,10 @@ void sg1000_state::machine_start()
if (m_cart)
m_cart->save_ram();
m_ctrlports[0]->out_w(0x3f, 0x40);
m_ctrlports[1]->out_w(0x3f, 0x40);
if (m_ctrlports[0])
m_ctrlports[0]->out_w(0x3f, 0x40);
if (m_ctrlports[1])
m_ctrlports[1]->out_w(0x3f, 0x40);
}
/*-------------------------------------------------
@ -666,7 +668,7 @@ void sg1000_state::sg1000(machine_config &config)
m_maincpu->set_addrmap(AS_IO, &sg1000_state::sg1000_io_map);
/* controller ports */
SMS_CONTROL_PORT(config, m_ctrlports[0], sms_control_port_passive_devices, SMS_CTRL_OPTION_JOYPAD);
SMS_CONTROL_PORT(config, m_ctrlports[0], sms_control_port_passive_devices, SMS_CTRL_OPTION_JOYPAD).set_fixed(true);
SMS_CONTROL_PORT(config, m_ctrlports[1], sms_control_port_passive_devices, SMS_CTRL_OPTION_JOYPAD);
/* expansion slot */