File: keylocks.c

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c-cpp-reference 2.0.2-6
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static volatile unsigned char far *keyflags = (char far *)0x00400017;

void setcaps(void)
{
        *keyflags |= 0x40;
}

void clrcaps(void)
{
        *keyflags &= ~0x40;
}

void setnumlock(void)
{
        *keyflags |= 0x20;
}

void clrnumlock(void)
{
        *keyflags &= ~0x20;
}