Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-19 23:12:11 +03:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

BACTA Datalogger: fixed regressions

Browse Source
This commit is contained in:
James Wallace 2020-08-19 21:01:02 +01:00
parent 055379b5bc
commit 0ca0f8e385
1 changed files with 17 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
src/mame/machine/bacta_datalogger.cpp
View File

@ -5,7 +5,7 @@
#define LOG_DATA (1U << 1)
#define VERBOSE (LOG_DATA)
//#define VERBOSE (LOG_DATA)
//#define LOG_OUTPUT_STREAM std::cout
#include "logmacro.h"
@ -38,7 +38,7 @@ bacta_datalogger_device::bacta_datalogger_device(const machine_config &mconfig,
: device_t(mconfig, BACTA_DATALOGGER, tag, owner, clock),
device_serial_interface(mconfig, *this),
m_rxd_handler(*this),
m_last_input(0),
m_last_input(-1),
m_output_char(0)
{
}
@ -68,10 +68,11 @@ void bacta_datalogger_device::tx_queue()
{
if (is_transmit_register_empty())
{
if (m_output_char != 0)
if (m_output_char != -1)
{
set_tra_rate(1200);
transmit_register_setup(m_output_char);
m_output_char = 0;
m_output_char = -1;
}
}
}
@ -83,6 +84,8 @@ void bacta_datalogger_device::tra_callback()
void bacta_datalogger_device::tra_complete()
{
// Shut down transmitter until there's a character
set_tra_rate(attotime::never);
tx_queue();
}
@ -92,19 +95,18 @@ void bacta_datalogger_device::rcv_complete()
receive_register_extract();
data = get_received_char();
if (data > 0x7f)
{
data &= ~0x80;
LOGDATA("Retransmission of %x\n",data);
if ( data == m_last_input)
{
return;
}
}
data = get_received_char();
if (data != 0x00)
{
if (data > 0x80)
{
data &= ~0x80;
LOGDATA("Retransmission of %x\n",data);
if ( data == m_last_input)
{
return;
}
}
m_last_input = data;
switch (data)
{