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Diffstat (limited to 'src/mess/drivers/ticalc1x.c')
-rw-r--r--src/mess/drivers/ticalc1x.c8
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