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Somewhat finish initial modem emulation

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Cacodemon345
2024-03-09 01:37:13 +06:00
parent 9488078c5a
commit ec8b8f2a92
4 changed files with 252 additions and 21 deletions
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4
src/device/serial.c
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@@ -589,8 +589,8 @@ serial_write(uint16_t addr, uint8_t val, void *priv)
serial_do_irq(dev, 0);
if ((val ^ dev->mctrl) & 0x10)
serial_reset_fifo(dev);
if (dev->sd && dev->sd->dtr_callback)
dev->sd->dtr_callback(dev, val, dev->sd->priv);
if (dev->sd && dev->sd->dtr_callback && (val ^ dev->mctrl) & 1)
dev->sd->dtr_callback(dev, val & 1, dev->sd->priv);
dev->mctrl = val;
if (val & 0x10) {
new_msr = (val & 0x0c) << 4;