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Rewrote the serial port receiver FIFO.

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This commit is contained in:
OBattler
2023-02-15 16:00:46 +01:00
parent 0ed4548aeb
commit 9d59f72f0b
2 changed files with 155 additions and 58 deletions
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9
src/include/86box/serial.h
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@@ -53,15 +53,16 @@ typedef struct serial_s {
dat, int_status, scratch, fcr,
irq, type, inst, transmit_enabled,
fifo_enabled, rcvr_fifo_len, bits, data_bits,
baud_cycles, rcvr_fifo_full, txsr, pad, msr_set;
baud_cycles, rcvr_fifo_full, txsr, out, msr_set, pad, pad0, pad1;
uint16_t dlab, base_address;
uint16_t dlab, base_address, out_new, new;
uint8_t rcvr_fifo_pos, xmit_fifo_pos,
pad0, pad1,
rcvr_fifo_end, xmit_fifo_end,
rcvr_fifo[SERIAL_FIFO_SIZE], xmit_fifo[SERIAL_FIFO_SIZE];
pc_timer_t transmit_timer, timeout_timer;
pc_timer_t transmit_timer, timeout_timer,
receive_timer;
double clock_src, transmit_period;
struct serial_device_s *sd;