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elks-enhanced

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Owner: themasterBranch: masterCommits: 6893Updated: 2026-04-19 00:15

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elks-enhanced / elks / arch / i86 / drivers / char / conio-solo86.c

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/*
 * conio API for Solo/86
 *
 * Ferry Hendrikx, April 2025
 */

#include <linuxmt/config.h>
#include <arch/io.h>
#include <arch/irq.h>
#include <arch/ports.h>
#include "conio.h"


/* initialize */
void conio_init(void)
{
    // no-op
}

/*
 * Poll for console input available.
 * Return nonzero character received else 0 if none ready.
 * Called approximately every ~8/100 seconds.
 */
int conio_poll(void)
{
    // are there any keys waiting?

    if (inb(COM0_CMDS_PORT))
        return (inb(COM0_DATA_PORT));

    return (0);
}

void conio_putc(byte_t c)
{
    outb(c, COM0_DATA_PORT);
}

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