Added DE opcodes

3 files changed, 169 insertions, 1 deletions

diff --git a/src/emu/x64run.c b/src/emu/x64run.c
index b23375fe..e894fa87 100755
--- a/src/emu/x64run.c
+++ b/src/emu/x64run.c
@@ -1101,7 +1101,14 @@ x64emurun:
             if(emu->quit)
                 goto fini;
             break;
-
+        case 0xDE:                      /* x87 opcodes */
+            if(RunDE(emu, rex)) {
+                unimp = 1;
+                goto fini;
+            }
+            if(emu->quit)
+                goto fini;
+            break;
         case 0xDF:                      /* x87 opcodes */
             if(RunDF(emu, rex)) {
                 unimp = 1;
diff --git a/src/emu/x64run_private.h b/src/emu/x64run_private.h
index e3b3bbea..a027e398 100755
--- a/src/emu/x64run_private.h
+++ b/src/emu/x64run_private.h
@@ -111,6 +111,7 @@ int RunDA(x64emu_t *emu, rex_t rex);
 int RunDB(x64emu_t *emu, rex_t rex);
 int RunDC(x64emu_t *emu, rex_t rex);
 int RunDD(x64emu_t *emu, rex_t rex);
+int RunDE(x64emu_t *emu, rex_t rex);
 int RunDF(x64emu_t *emu, rex_t rex);
 int RunF0(x64emu_t *emu, rex_t rex);
 int RunF20F(x64emu_t *emu, rex_t rex);
diff --git a/src/emu/x64runde.c b/src/emu/x64runde.c
new file mode 100644
index 00000000..0d69f313
--- /dev/null
+++ b/src/emu/x64runde.c
@@ -0,0 +1,160 @@
+#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 RunDE(x64emu_t *emu, rex_t rex)
+{
+    uint8_t nextop;
+    reg64_t *oped;
+
+    nextop = F8;
+    switch(nextop) {
+    case 0xC0:  /* FADDP STx, ST0 */
+    case 0xC1:  /* FADDP ST1, ST0 */
+    case 0xC2:
+    case 0xC3:
+    case 0xC4:
+    case 0xC5:
+    case 0xC6:
+    case 0xC7:
+        ST(nextop&7).d += ST0.d;
+        fpu_do_pop(emu);
+        break;
+    case 0xC8:  /* FMULP STx, ST0 */
+    case 0xC9:  /* FMULP ST1, ST0 */
+    case 0xCA:
+    case 0xCB:
+    case 0xCC:
+    case 0xCD:
+    case 0xCE:
+    case 0xCF:
+        ST(nextop&7).d *= ST0.d;
+        fpu_do_pop(emu);
+        break;
+    case 0xD0:
+    case 0xD1:
+    case 0xD2:
+    case 0xD3:
+    case 0xD4:
+    case 0xD5:
+    case 0xD6:
+    case 0xD7:  /* FCOMP */
+        fpu_fcom(emu, ST(nextop&7).d);
+        fpu_do_pop(emu);
+        break;
+
+    case 0xD9:  /* FCOMPP */
+        fpu_fcom(emu, ST1.d);
+        fpu_do_pop(emu);
+        fpu_do_pop(emu);
+        break;
+
+        /*ST(1).d = ST0.d - ST(1).d;
+        fpu_do_pop(emu);
+        break;*/
+    case 0xE0:  /* FSUBRP STx, ST0 */
+    case 0xE1:  /* FSUBRP ST1, ST0 */
+    case 0xE2:
+    case 0xE3:
+    case 0xE4:
+    case 0xE5:
+    case 0xE6:
+    case 0xE7:
+        ST(nextop&7).d = ST0.d - ST(nextop&7).d;
+        fpu_do_pop(emu);
+        break;
+    case 0xE8:  /* FSUBP STx, ST0 */
+    case 0xE9:  /* FSUBP ST1, ST0 */
+    case 0xEA:
+    case 0xEB:
+    case 0xEC:
+    case 0xED:
+    case 0xEE:
+    case 0xEF:
+        ST(nextop&7).d -= ST0.d;
+        fpu_do_pop(emu);
+        break;
+    case 0xF0:  /* FDIVRP STx, ST0 */
+    case 0xF1:  /* FDIVRP ST1, ST0 */
+    case 0xF2:
+    case 0xF3:
+    case 0xF4:
+    case 0xF5:
+    case 0xF6:
+    case 0xF7:
+        ST(nextop&7).d = ST0.d / ST(nextop&7).d;
+        fpu_do_pop(emu);
+        break;
+    case 0xF8:  /* FDIVP STx, ST0 */
+    case 0xF9:  /* FDIVP ST1, ST0 */
+    case 0xFA:
+    case 0xFB:
+    case 0xFC:
+    case 0xFD:
+    case 0xFE:
+    case 0xFF:
+        ST(nextop&7).d /= ST0.d;
+        fpu_do_pop(emu);
+        break;
+
+    case 0xD8:  
+    case 0xDA:
+    case 0xDB:
+    case 0xDC:
+    case 0xDD:
+    case 0xDE:
+    case 0xDF:
+        return 1;
+    
+    default:
+        switch((nextop>>3)&7) {
+            case 0:     /* FIADD ST0, Ew int */
+                GETEW(0);
+                ST0.d += EW->sword[0];
+                break;
+            case 1:     /* FIMUL ST0, Ew int */
+                GETEW(0);
+                ST0.d *= EW->sword[0];
+                break;
+            case 4:     /* FISUB ST0, Ew int */
+                GETEW(0);
+                ST0.d -= EW->sword[0];
+                break;
+            case 5:     /* FISUBR ST0, Ew int */
+                GETEW(0);
+                ST0.d = (double)EW->sword[0] - ST0.d;
+                break;
+            case 6:     /* FIDIV ST0, Ew int */
+                GETEW(0);
+                ST0.d /= EW->sword[0];
+                break;
+            case 7:     /* FIDIVR ST0, Ew int */
+                GETEW(0);
+                ST0.d = (double)EW->sword[0] / ST0.d;
+                break;
+           default:
+                return 1;
+        }
+    }
+  return 0;
+}
\ No newline at end of file