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#define _GNU_SOURCE
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <unistd.h>
#include "debug.h"
#include "box64stack.h"
#include "x64emu.h"
#include "x64run.h"
#include "x64emu_private.h"
#include "x64run_private.h"
#include "x64primop.h"
#include "x64trace.h"
#include "x87emu_private.h"
#include "box64context.h"
#include "bridge.h"
#include "modrm.h"
int RunDA(x64emu_t *emu, rex_t rex)
{
uint8_t nextop;
reg64_t *oped;
nextop = F8;
switch (nextop) {
case 0xC0: /* FCMOVB ST(0), ST(i) */
case 0xC1:
case 0xC2:
case 0xC3:
case 0xC4:
case 0xC5:
case 0xC6:
case 0xC7:
CHECK_FLAGS(emu);
if(ACCESS_FLAG(F_CF))
ST0.q = ST(nextop&7).q;
break;
case 0xC8: /* FCMOVE ST(0), ST(i) */
case 0xC9:
case 0xCA:
case 0xCB:
case 0xCC:
case 0xCD:
case 0xCE:
case 0xCF:
CHECK_FLAGS(emu);
if(ACCESS_FLAG(F_ZF))
ST0.q = ST(nextop&7).q;
break;
case 0xD0: /* FCMOVBE ST(0), ST(i) */
case 0xD1:
case 0xD2:
case 0xD3:
case 0xD4:
case 0xD5:
case 0xD6:
case 0xD7:
CHECK_FLAGS(emu);
if(ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF))
ST0.q = ST(nextop&7).q;
break;
case 0xD8: /* FCMOVU ST(0), ST(i) */
case 0xD9:
case 0xDA:
case 0xDB:
case 0xDC:
case 0xDD:
case 0xDE:
case 0xDF:
CHECK_FLAGS(emu);
if(ACCESS_FLAG(F_PF))
ST0.q = ST(nextop&7).q;
break;
case 0xE9: /* FUCOMPP */
fpu_fcom(emu, ST1.d); // bad, should handle QNaN and IA interrupt
fpu_do_pop(emu);
fpu_do_pop(emu);
break;
case 0xE4:
case 0xF0:
case 0xF1:
case 0xF4:
case 0xF5:
case 0xF6:
case 0xF7:
case 0xF8:
case 0xF9:
case 0xFD:
return 1;
default:
switch((nextop>>3)&7) {
case 0: /* FIADD ST0, Ed int */
GETED(0);
ST0.d += ED->sdword[0];
break;
case 1: /* FIMUL ST0, Ed int */
GETED(0);
ST0.d *= ED->sdword[0];
break;
case 2: /* FICOM ST0, Ed int */
GETED(0);
fpu_fcom(emu, ED->sdword[0]);
break;
case 3: /* FICOMP ST0, Ed int */
GETED(0);
fpu_fcom(emu, ED->sdword[0]);
fpu_do_pop(emu);
break;
case 4: /* FISUB ST0, Ed int */
GETED(0);
ST0.d -= ED->sdword[0];
break;
case 5: /* FISUBR ST0, Ed int */
GETED(0);
ST0.d = (double)ED->sdword[0] - ST0.d;
break;
case 6: /* FIDIV ST0, Ed int */
GETED(0);
ST0.d /= ED->sdword[0];
break;
case 7: /* FIDIVR ST0, Ed int */
GETED(0);
ST0.d = (double)ED->sdword[0] / ST0.d;
break;
}
}
return 0;
}
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