mirror of
https://gitlab.os-k.eu/os-k-team/kvisc.git
synced 2023-08-25 14:05:46 +02:00
175 lines
3.3 KiB
C
175 lines
3.3 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 <pc/console.h>
|
|
#include <in/instrs.h>
|
|
#include <sys/time.h>
|
|
#include <unistd.h>
|
|
#include <time.h>
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
IMPL_START(into) { INTO(); return 0; }
|
|
IMPL_START(pause) { usleep(5000); return 0; }
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
IMPL_START(break)
|
|
{
|
|
#ifndef NDEBUG
|
|
trace("\nExecuting BREAK INSTR\n");
|
|
dumpregs(ctx);
|
|
|
|
do_hlt(ctx);
|
|
|
|
trace("Resuming execution\n");
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
IMPL_START(dump)
|
|
{
|
|
#ifndef NDEBUG
|
|
if (ctx->dumpsw)
|
|
trace("0x%lX:\t...\n", ctx->cur_pc);
|
|
|
|
else if (!ctx->dumpsw)
|
|
dump_instr(ctx, ctx->cur_in, p1, p2, p3, 0, 0);
|
|
|
|
ctx->dumpsw = !ctx->dumpsw;
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
IMPL_START(ytime)
|
|
{
|
|
time_t t = time(NULL);
|
|
struct tm *tm = localtime(&t);
|
|
|
|
*r1 = tm->tm_sec + tm->tm_min * 60
|
|
+ tm->tm_hour * 60 * 60
|
|
+ tm->tm_mday * 60 * 60 * 24;
|
|
|
|
*r2 = tm->tm_mon;
|
|
*r3 = tm->tm_year + 1900;
|
|
|
|
return 3;
|
|
}
|
|
|
|
IMPL_START(utime)
|
|
{
|
|
struct timeval time;
|
|
gettimeofday(&time, NULL);
|
|
*r1 = (time.tv_sec * 1000) + (time.tv_usec / 1000);
|
|
|
|
return 1;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
IMPL_START(cls)
|
|
{
|
|
R(RFX) = 0;
|
|
for (int i = RAX; i <= R20; i++) R(i) = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
IMPL_START(bswap)
|
|
{
|
|
SRCP(p2);
|
|
|
|
ulong v = p2->val;
|
|
|
|
*r1 = ((v & 0xFF00000000000000) >> 56)
|
|
| ((v & 0x00FF000000000000) >> 40)
|
|
| ((v & 0x0000FF0000000000) >> 24)
|
|
| ((v & 0x000000FF00000000) >> 8)
|
|
| ((v & 0x00000000FF000000) << 8)
|
|
| ((v & 0x0000000000FF0000) << 24)
|
|
| ((v & 0x000000000000FF00) << 40)
|
|
| ((v & 0x00000000000000FF) << 56);
|
|
|
|
return 1;
|
|
}
|
|
|
|
IMPL_START(wswap)
|
|
{
|
|
SRCP(p2);
|
|
|
|
ulong v = p2->val;
|
|
|
|
*r1 = ((v & 0xFFFF000000000000) >> 48)
|
|
| ((v & 0x0000FFFF00000000) >> 16)
|
|
| ((v & 0x00000000FFFF0000) << 16)
|
|
| ((v & 0x000000000000FFFF) << 48);
|
|
|
|
return 1;
|
|
}
|
|
|
|
IMPL_START(dswap)
|
|
{
|
|
SRCP(p2);
|
|
|
|
*r1 = ((p2->val & 0xFFFFFFFF00000000) >> 32)
|
|
| ((p2->val & 0x00000000FFFFFFFF) << 32);
|
|
|
|
return 1;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
#define PRN_CLEAR_MAGIC 0x8BF00001
|
|
|
|
IMPL_START(prn)
|
|
{
|
|
SRCP(p1);
|
|
|
|
ulong v = p1->val;
|
|
|
|
// Magic value? :)
|
|
if (__builtin_expect(v == PRN_CLEAR_MAGIC, 0))
|
|
console_clear(ctx);
|
|
|
|
else if (v > 0)
|
|
console_putc(ctx, (char)v);
|
|
|
|
return 0;
|
|
}
|
|
|
|
IMPL_START(prns)
|
|
{
|
|
if (p1->type != A_REG)
|
|
_except(ctx, E_ILL, "PRNS given a non-REG operand");
|
|
|
|
uchar ch = readmemzx(ctx, R(p1->reg), 1);
|
|
|
|
COMPARE_SUB(ch, 0);
|
|
|
|
if ((R(RFX) & ZF) == 0)
|
|
{
|
|
console_putc(ctx, ch);
|
|
|
|
if (R(RFX) & DF)
|
|
R(p1->reg)--;
|
|
else
|
|
R(p1->reg)++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
IMPL_START(scan)
|
|
{
|
|
*r1 = console_scankeybuf(ctx);
|
|
|
|
return 1;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|