diff options
Diffstat (limited to 'src/mess/drivers/ticalc1x.c')
-rw-r--r-- | src/mess/drivers/ticalc1x.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/mess/drivers/ticalc1x.c b/src/mess/drivers/ticalc1x.c index e72f822ecdb..59c20ab391e 100644 --- a/src/mess/drivers/ticalc1x.c +++ b/src/mess/drivers/ticalc1x.c @@ -11,7 +11,6 @@ TODO: - MCU clocks are unknown where noted - - lilprof78 equals-sign is always on ***************************************************************************/ @@ -686,7 +685,7 @@ WRITE16_MEMBER(lilprof78_state::write_r) m_display_state[y] = (r >> y & 1) ? o : 0; // 3rd digit A/G(equals sign) is from O7 - m_display_state[3] = (m_o & 0x80) ? 0x41 : 0; + m_display_state[3] = (r && m_o & 0x80) ? 0x41 : 0; // 6th digit is a custom 7seg for math symbols (see wizatron_state write_r) m_display_state[6] = BITSWAP8(m_display_state[6],7,6,1,4,2,3,5,0); @@ -774,6 +773,11 @@ MACHINE_CONFIG_END * TI Business Analyst-I: TMS0980 MCU labeled TMC0982NL. die labeled 0980B-82F * 9-digit 7seg LED display + Of note is a peripheral by Schoenherr, called the Braillotron. It acts as + a docking station to the TI-30, with an additional display made of magnetic + refreshable Braille cells. The TI-30 itself is slightly modified to wire + the original LED display to a 25-pin D-Sub connector. + ***************************************************************************/ class majestic_state : public ticalc1x_state |