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author AJR <ajrhacker@users.noreply.github.com>2021-02-10 11:24:50 -0500
committer AJR <ajrhacker@users.noreply.github.com>2021-02-10 11:24:50 -0500
commit412833b098bce2e326e6759b0854d3dd7e6f3c67 (patch)
tree92e4ced4ba689a50cfd81642ab65da35d0d46d49
parentb523757fc1556a91112866c7247239dcb4859176 (diff)
vt52: Eliminate superfluous variable
-rw-r--r--src/mame/drivers/vt52.cpp6
1 files changed, 1 insertions, 5 deletions
diff --git a/src/mame/drivers/vt52.cpp b/src/mame/drivers/vt52.cpp
index 1cd36283e1c..378ab8eb66e 100644
--- a/src/mame/drivers/vt52.cpp
+++ b/src/mame/drivers/vt52.cpp
@@ -43,7 +43,6 @@ public:
, m_serial_out(true)
, m_rec_data(true)
, m_110_baud_counter(0)
- , m_ready_for_input(false)
{
}
@@ -84,7 +83,6 @@ private:
bool m_serial_out;
bool m_rec_data;
u8 m_110_baud_counter;
- bool m_ready_for_input;
};
void vt52_state::machine_start()
@@ -92,13 +90,11 @@ void vt52_state::machine_start()
save_item(NAME(m_serial_out));
save_item(NAME(m_rec_data));
save_item(NAME(m_110_baud_counter));
- save_item(NAME(m_ready_for_input));
}
void vt52_state::machine_reset()
{
m_110_baud_counter = 0;
- m_ready_for_input = true;
update_serial_settings();
m_uart->write_swe(0);
@@ -228,7 +224,7 @@ WRITE_LINE_MEMBER(vt52_state::rec_data_w)
{
m_rec_data = state;
- if (m_ready_for_input)
+ if (machine().ioport().safe_to_read())
{
ioport_value baud = m_baud_sw->read();
if (BIT(baud, 9) && ((~baud & 0x0880) == 0 || (m_serial_out && m_break_key->read())))