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use an equivalent read member function for mockingboard tms5220 rather than directly calling an internal tms5220 function, and add a note (nw)

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Lord-Nightmare 2018-09-13 12:25:45 -04:00
parent 3a949405af
commit 60ca98d14c
1 changed files with 2 additions and 1 deletions
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3
src/devices/bus/a2bus/a2mockingboard.cpp
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@ -90,6 +90,7 @@ void a2bus_echoplus_device::device_add_mconfig(machine_config &config)
SPEAKER(config, "echosp").front_center(); SPEAKER(config, "echosp").front_center();
TMS5220(config, m_tms, 640000); TMS5220(config, m_tms, 640000);
// echo+ has a TSP5220C soldered down on it
m_tms->add_route(ALL_OUTPUTS, "echosp", 1.0); m_tms->add_route(ALL_OUTPUTS, "echosp", 1.0);
} }
@ -413,7 +414,7 @@ uint8_t a2bus_echoplus_device::read_c0nx(uint8_t offset)
switch (offset) switch (offset)
{ {
case 0: case 0:
return 0x1f | m_tms->read_status(); return 0x1f | m_tms->status_r(machine().dummy_space(), 0, 0xff);
} }
return 0; return 0;