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Diffstat (limited to 'src/mame/drivers/sbc6510.cpp')
-rw-r--r--src/mame/drivers/sbc6510.cpp6
1 files changed, 0 insertions, 6 deletions
diff --git a/src/mame/drivers/sbc6510.cpp b/src/mame/drivers/sbc6510.cpp
index bf09b5276e2..f93b65ba55e 100644
--- a/src/mame/drivers/sbc6510.cpp
+++ b/src/mame/drivers/sbc6510.cpp
@@ -85,7 +85,6 @@ private:
void main_mem_map(address_map &map);
void video_data_map(address_map &map);
- void video_io_map(address_map &map);
void video_mem_map(address_map &map);
u8 m_key_row;
@@ -121,10 +120,6 @@ void sbc6510_state::video_data_map(address_map &map)
map(0x0100, 0x04ff).ram();
}
-void sbc6510_state::video_io_map(address_map &map)
-{
-}
-
/* Input ports */
static INPUT_PORTS_START( sbc6510 ) // cbm keyboard
PORT_START( "X0" )
@@ -289,7 +284,6 @@ void sbc6510_state::sbc6510(machine_config &config)
ATMEGA88(config, m_videocpu, XTAL(16'000'000)); // Video CPU trips SLEEP opcode, needs to be emulated
m_videocpu->set_addrmap(AS_PROGRAM, &sbc6510_state::video_mem_map);
m_videocpu->set_addrmap(AS_DATA, &sbc6510_state::video_data_map);
- m_videocpu->set_addrmap(AS_IO, &sbc6510_state::video_io_map);
m_videocpu->set_eeprom_tag("eeprom");
PALETTE(config, "palette", palette_device::MONOCHROME); // for F4 displayer only