diff options
Diffstat (limited to 'src/mame/drivers/vt52.cpp')
-rw-r--r-- | src/mame/drivers/vt52.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/mame/drivers/vt52.cpp b/src/mame/drivers/vt52.cpp index a70a51b648e..110c7ebb03e 100644 --- a/src/mame/drivers/vt52.cpp +++ b/src/mame/drivers/vt52.cpp @@ -116,10 +116,12 @@ void vt52_state::vert_count_w(u8 data) m_uart->write_tcp(clk); } else + { m_uart->write_rcp((~(baud | data) & 0x0e) == 0); + m_uart->write_tcp((~(baud | data) & 0x71) == 0); + } } - - if ((baud & 0x0380) == 0x0380) + else if ((baud & 0x0380) == 0x0380) m_uart->write_tcp((~(baud | data) & 0x71) == 0); } @@ -325,7 +327,7 @@ void vt52_state::vt52(machine_config &mconfig) screen.set_screen_update(FUNC(vt52_state::screen_update)); SPEAKER(mconfig, "mono").front_center(); - SPEAKER_SOUND(mconfig, "bell").add_route(ALL_OUTPUTS, "mono", 1.0); + SPEAKER_SOUND(mconfig, "bell").add_route(ALL_OUTPUTS, "mono", 1.0); // FIXME: uses a flyback diode circuit } ROM_START(vt52) @@ -339,4 +341,4 @@ ROM_START(vt52) ROM_LOAD("23-002b4.e1", 0x000, 0x400, CRC(b486500c) SHA1(029f07424d6c23ee083db42d9f9c252ac728ccd0)) ROM_END -COMP(1975, vt52, 0, 0, vt52, vt52, vt52_state, empty_init, "Digital Equipment Corporation", "VT52 Video Display Terminal", MACHINE_NOT_WORKING) +COMP(1975, vt52, 0, 0, vt52, vt52, vt52_state, empty_init, "Digital Equipment Corporation", "VT52 Video Display Terminal", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND) |