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kvisc/vm/in/instrs.c
2019-06-14 13:34:24 +02:00

77 lines
1.2 KiB
C

// 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>
#define _NEED_ARCH_I
#include <in/arch_i.h>
IMPL_START_0(nop)
{
}
IMPL_END;
//----------------------------------------------------------------------------//
IMPL_START_1(prn)
{
if (p1->mlen > 1) {
log("prn warning: large access size\n");
}
putchar((int)v1);
}
IMPL_END;
//----------------------------------------------------------------------------//
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;
//----------------------------------------------------------------------------//
IMPL_START_0(clr)
{
rax = rbx = rcx = rdx = 0;
rsx = rbi = rdi = rsi = 0;
}
IMPL_END;
IMPL_START_0(cla)
{
ax0 = ax1 = ax2 = ax3 = 0;
ax4 = ax5 = ax6 = ax7 = 0;
}
IMPL_END;
//----------------------------------------------------------------------------//