kvisc/vm/in/instrs.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;

//
// Misc. instructions
//

IMPL_START_1(prn)
{
    if (p1->mlen > 1) {
        log("prn warning: large access size\n");
    }

/*
    if (!(v1 >= ' ' && v1 < 128) && v1 != '\t' && v1 != '\n') {
        log("prn on invalid character: %ld\n", v1);
        return;
    }
*/

    putchar((int)v1);
}
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;

IMPL_START_0(cln)
{
    nx0 = nx1 = nx2 = nx3 = 0;
    nx4 = nx5 = nx6 = nx7 = 0;
}
IMPL_END;