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Diffstat (limited to 'src/mame/drivers/system1.cpp')
-rw-r--r--src/mame/drivers/system1.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/drivers/system1.cpp b/src/mame/drivers/system1.cpp
index c077f2ceea1..f5deda2c5f1 100644
--- a/src/mame/drivers/system1.cpp
+++ b/src/mame/drivers/system1.cpp
@@ -835,8 +835,8 @@ void system1_state::sound_map(address_map &map)
{
map(0x0000, 0x7fff).rom();
map(0x8000, 0x87ff).mirror(0x1800).ram();
- map(0xa000, 0xa000).mirror(0x1fff).w("sn1", FUNC(sn76489a_device::command_w));
- map(0xc000, 0xc000).mirror(0x1fff).w("sn2", FUNC(sn76489a_device::command_w));
+ map(0xa000, 0xa000).mirror(0x1fff).w("sn1", FUNC(sn76489a_device::write));
+ map(0xc000, 0xc000).mirror(0x1fff).w("sn2", FUNC(sn76489a_device::write));
map(0xe000, 0xe000).mirror(0x1fff).r(FUNC(system1_state::sound_data_r));
}
@@ -2173,7 +2173,7 @@ void system1_state::sys1ppi(machine_config &config)
TIMER(config, "soundirq", 0).configure_scanline(FUNC(system1_state::soundirq_gen), "screen", 32, 64);
- MCFG_QUANTUM_TIME(attotime::from_hz(6000))
+ config.m_minimum_quantum = attotime::from_hz(6000);
I8255A(config, m_ppi8255);
m_ppi8255->out_pa_callback().set(FUNC(system1_state::soundport_w));