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folkert van heusden 2024-05-05 00:10:43 +02:00
parent d1cd336ccd
commit b86386b7f7
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
1 changed files with 7 additions and 2 deletions
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9
dc11.cpp
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@ -220,6 +220,8 @@ uint16_t dc11::read_word(const uint16_t addr)
registers[line_nr * 4 + 0] &= ~0160000;
}
else if (sub_reg == 1) { // read data register
TRACE("DC11: %zu characters in buffer for line %d", recv_buffers[line_nr].size(), line_nr);
// get oldest byte in buffer
if (recv_buffers[line_nr].empty() == false) {
vtemp = *recv_buffers[line_nr].begin();
@ -283,9 +285,12 @@ void dc11::write_word(const uint16_t addr, uint16_t v)
TRACE("DC11: write register %06o (%d line_nr %d) to %06o", addr, sub_reg, line_nr, v);
if (sub_reg == 3) { // transmit buffer
char c = v & 127;
char c = v & 127; // strip parity
TRACE("DC11: transmit %c on line %d", c > 32 && c < 127 ? c : ' ', line_nr);
if (c <= 32 || c >= 127)
TRACE("DC11: transmit [%d] on line %d", c, line_nr);
else
TRACE("DC11: transmit %c on line %d", c, line_nr);
int fd = pfds[dc11_n_lines + line_nr].fd;