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kvisc/vm/in/flags.c

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2019-06-16 13:28:21 +02:00
// The OS/K Team licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#include <in/instrs.h>
//----------------------------------------------------------------------------//
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IMPL_START_0(cli)
{
CHK_SUPERV();
cr0 &= ~IF;
}
IMPL_END;
IMPL_START_0(sti)
{
CHK_SUPERV();
cr0 |= IF;
}
IMPL_END;
//----------------------------------------------------------------------------//
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IMPL_START_0(cld)
{
flg &= ~DF;
}
IMPL_END;
IMPL_START_0(std)
{
flg |= DF;
}
IMPL_END;
//----------------------------------------------------------------------------//
IMPL_START_0(cmc)
{
flg = (flg&CF ? flg&~CF : flg|CF);
}
IMPL_END;
IMPL_START_0(clc)
{
flg &= ~CF;
}
IMPL_END;
IMPL_START_0(stc)
{
flg |= CF;
}
IMPL_END;
//----------------------------------------------------------------------------//