Added 67 0F 2E/2F opcodes

3 files changed, 71 insertions, 0 deletions

diff --git a/src/emu/x64run67.c b/src/emu/x64run67.c
index 75f64125..320ea2ac 100644
--- a/src/emu/x64run67.c
+++ b/src/emu/x64run67.c
@@ -96,6 +96,8 @@ int Run67(x64emu_t *emu, rex_t rex, int rep)
 

     GO(0x00, add)                   /* ADD 0x00 -> 0x05 */

     GO(0x08, or)                    /*  OR 0x08 -> 0x0D */

+    case 0x0F:

+        return Run670F(emu, rex, rep);

     GO(0x10, adc)                   /* ADC 0x10 -> 0x15 */

     GO(0x18, sbb)                   /* SBB 0x18 -> 0x1D */

     GO(0x20, and)                   /* AND 0x20 -> 0x25 */

diff --git a/src/emu/x64run670f.c b/src/emu/x64run670f.c
new file mode 100644
index 00000000..749dfde8
--- /dev/null
+++ b/src/emu/x64run670f.c
@@ -0,0 +1,68 @@
+#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"
+#ifdef DYNAREC
+#include "../dynarec/arm64_lock.h"
+#endif
+
+#include "modrm.h"
+
+int Run670F(x64emu_t *emu, rex_t rex, int rep)
+{
+    uint8_t opcode;
+    uint8_t nextop;
+    uint8_t tmp8u;
+    int8_t tmp8s;
+    int32_t tmp32s, tmp32s2;
+    uint32_t tmp32u, tmp32u2;
+    uint64_t tmp64u, tmp64u2;
+    reg64_t *oped, *opgd;
+    sse_regs_t *opex, *opgx, eax1;
+    mmx87_regs_t *opem, *opgm, eam1;
+
+    opcode = F8;
+
+    switch(opcode) {
+
+        case 0x2E:                      /* UCOMISS Gx, Ex */
+            // same for now
+        case 0x2F:                      /* COMISS Gx, Ex */
+            RESET_FLAGS(emu);
+            nextop = F8;
+            GETEX32(0);
+            GETGX;
+            if(isnan(GX->f[0]) || isnan(EX->f[0])) {
+                SET_FLAG(F_ZF); SET_FLAG(F_PF); SET_FLAG(F_CF);
+            } else if(isgreater(GX->f[0], EX->f[0])) {
+                CLEAR_FLAG(F_ZF); CLEAR_FLAG(F_PF); CLEAR_FLAG(F_CF);
+            } else if(isless(GX->f[0], EX->f[0])) {
+                CLEAR_FLAG(F_ZF); CLEAR_FLAG(F_PF); SET_FLAG(F_CF);
+            } else {
+                SET_FLAG(F_ZF); CLEAR_FLAG(F_PF); CLEAR_FLAG(F_CF);
+            }
+            CLEAR_FLAG(F_OF); CLEAR_FLAG(F_AF); CLEAR_FLAG(F_SF);
+            break;
+
+    default:
+        return 1;
+    }
+    return 0;
+}
\ No newline at end of file
diff --git a/src/emu/x64run_private.h b/src/emu/x64run_private.h
index e465c6b0..e30edbec 100755
--- a/src/emu/x64run_private.h
+++ b/src/emu/x64run_private.h
@@ -109,6 +109,7 @@ int Run6664(x64emu_t *emu, rex_t rex);
 int Run66D9(x64emu_t *emu, rex_t rex);
 int Run66DD(x64emu_t *emu, rex_t rex);
 int Run67(x64emu_t *emu, rex_t rex, int rep);
+int Run670F(x64emu_t *emu, rex_t rex, int rep);
 int Run6766(x64emu_t *emu, rex_t rex, int rep);
 int Run67660F(x64emu_t *emu, rex_t rex);
 int RunD8(x64emu_t *emu, rex_t rex);