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lb4.cpp: Hook up some stuff, nw

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This commit is contained in:
Ryan Holtz 2018-11-16 07:51:04 +01:00
parent 77c4b7a551
commit 20f4ace3b3
1 changed files with 5 additions and 2 deletions
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7
src/mame/drivers/lb4.cpp
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@ -49,9 +49,12 @@ private:
required_device<palette_device> m_palette; required_device<palette_device> m_palette;
}; };
void lb4_state::mem_map(address_map &map) void lb4_state::mem_map(address_map &map)
{ {
// There are what look like RAM reads/writes from 0000-03ff, but also accesses which look like attempts to talk to a device.
map(0x4000, 0x47ff).ram();
map(0x8000, 0x8000).w(m_crtc, FUNC(mc6845_device::address_w));
map(0x8001, 0x8001).w(m_crtc, FUNC(mc6845_device::register_w));
map(0xe000, 0xffff).rom().region("maincpu", 0); map(0xe000, 0xffff).rom().region("maincpu", 0);
} }
@ -92,7 +95,7 @@ INPUT_PORTS_END
ROM_START( lb4 ) ROM_START( lb4 )
ROM_REGION( 0x10000, "maincpu", 0 ) ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "u8.bin", 0xe000, 0x2000, CRC(2e375abc) SHA1(12ad1e49c5773c36c3a8d65845c9a50f9dec141f) ) ROM_LOAD( "u8.bin", 0x0000, 0x2000, CRC(2e375abc) SHA1(12ad1e49c5773c36c3a8d65845c9a50f9dec141f) )
ROM_REGION( 0x1000, "chars", 0 ) ROM_REGION( 0x1000, "chars", 0 )
ROM_LOAD( "u32.bin", 0x0000, 0x1000, CRC(f6d86e87) SHA1(c0885e4a35095a730d760bf91a1cf4e8edd6a2bb) ) ROM_LOAD( "u32.bin", 0x0000, 0x1000, CRC(f6d86e87) SHA1(c0885e4a35095a730d760bf91a1cf4e8edd6a2bb) )