? disasm.patch
Index: dis_decode.cc
===================================================================
RCS file: /cvsroot/bochs/bochs/disasm/dis_decode.cc,v
retrieving revision 1.9
diff -u -r1.9 dis_decode.cc
--- dis_decode.cc	20 Sep 2002 15:34:55 -0000	1.9
+++ dis_decode.cc	21 Sep 2002 12:43:34 -0000
@@ -801,16 +801,54 @@
         goto done;
 
       case 0xA6: dis_sprintf("cmpsb "); XbYb(); goto done;
-      case 0xA7: dis_sprintf("cmpsw "); XvYv(); goto done;
+
+      case 0xA7:
+        if (db_32bit_opsize) {
+          dis_sprintf("cmpsd ");
+          }
+        else {
+          dis_sprintf("cmpsw ");
+          }
+        XvYv();
+        goto done;
+
       case 0xA8: dis_sprintf("test AL, "); Ib(); goto done;
       case 0xA9: dis_sprintf("test "); eAX(); dis_sprintf(", "); Iv(); goto done;
       case 0xAA: dis_sprintf("stosb "); YbAL(); goto done;
-      case 0xAB: dis_sprintf("stosw "); YveAX(); goto done;
+
+      case 0xAB:
+        if (db_32bit_opsize) {
+          dis_sprintf("stosd ");
+          }
+        else {
+          dis_sprintf("stosw ");
+          }
+        YveAX();
+        goto done;
+
       case 0xAC: dis_sprintf("lodsb "); ALXb(); goto done;
-      case 0xAD: dis_sprintf("lodsw "); eAXXv(); goto done;
-      case 0xAE: dis_sprintf("scasb "); ALXb(); goto done;
-      case 0xAF: dis_sprintf("scasw "); eAXXv(); goto done;
 
+      case 0xAD:
+        if (db_32bit_opsize) {
+          dis_sprintf("lodsd ");
+          }
+        else {
+          dis_sprintf("lodsw ");
+          }
+        eAXXv();
+        goto done;
+
+      case 0xAE: dis_sprintf("scasb "); YbAL(); goto done;
+
+      case 0xAF:
+        if (db_32bit_opsize) {
+          dis_sprintf("scasd ");
+          }
+        else {
+          dis_sprintf("scasw ");
+          }
+        YveAX();
+        goto done;
 
       case 0xB0: dis_sprintf("mov AL, "); Ib(); goto done;
       case 0xB1: dis_sprintf("mov CL, "); Ib(); goto done;
Index: dis_groups.cc
===================================================================
RCS file: /cvsroot/bochs/bochs/disasm/dis_groups.cc,v
retrieving revision 1.5
diff -u -r1.5 dis_groups.cc
--- dis_groups.cc	20 Sep 2002 15:34:55 -0000	1.5
+++ dis_groups.cc	21 Sep 2002 12:43:35 -0000
@@ -187,8 +187,24 @@
 bx_disassemble_c::XBTS(void) {dis_sprintf("*** XBTS() unfinished ***");}
   void
 bx_disassemble_c::IBTS(void) {dis_sprintf("*** IBTS() unfinished ***");}
+
   void
-bx_disassemble_c::ALOb(void) {dis_sprintf("*** ALOb() unfinished ***");}
+bx_disassemble_c::ALOb(void)
+{
+  dis_sprintf("AL, ");
+  if (db_32bit_addrsize) {
+    Bit32u imm32;
+
+    imm32 = fetch_dword();
+    dis_sprintf("[%08x]", (unsigned) imm32);
+    }
+  else {
+    Bit16u imm16;
+
+    imm16 = fetch_word();
+    dis_sprintf("[%04x]", (unsigned) imm16);
+    }
+}
 
   void
 bx_disassemble_c::eAXOv(void)
@@ -264,14 +280,76 @@
 }
 
   void
-bx_disassemble_c::ObAL(void) {dis_sprintf("*** ObAL() unfinished ***");}
+bx_disassemble_c::ObAL(void)
+{
+  if (db_32bit_addrsize) {
+    Bit32u imm32;
+
+    imm32 = fetch_dword();
+    dis_sprintf("[%08x], ", (unsigned) imm32);
+    }
+  else {
+    Bit16u imm16;
+
+    imm16 = fetch_word();
+    dis_sprintf("[%04x], ", (unsigned) imm16);
+    }
+
+  dis_sprintf("AL");
+}
 
   void
-bx_disassemble_c::YbAL(void) {dis_sprintf("*** YbAL() unfinished ***");}
+bx_disassemble_c::YbAL(void)
+{
+  char *edi;
+
+  if (db_32bit_addrsize) {
+    edi = "EDI";
+    }
+  else {
+    edi = "DI";
+    }
+
+  dis_sprintf("ES:[%s], AL", edi);
+}
+
   void
-bx_disassemble_c::ALXb(void) {dis_sprintf("*** ALXb() unfinished ***");}
+bx_disassemble_c::ALXb(void)
+{
+  char *esi;
+
+  if (db_32bit_addrsize) {
+    esi = "ESI";
+    }
+  else {
+    esi = "SI";
+    }
+
+  dis_sprintf("AL, [%s]", esi);
+}
+
   void
-bx_disassemble_c::eAXXv(void) { dis_sprintf("*** eAXXv() unfinished ***"); }
+bx_disassemble_c::eAXXv(void)
+{
+  char *eax, *esi;
+
+  if (db_32bit_opsize) {
+    eax = "EAX";
+    }
+  else {
+    eax = "AX";
+    }
+
+  if (db_32bit_addrsize) {
+    esi = "ESI";
+    }
+  else {
+    esi = "SI";
+    }
+
+  dis_sprintf("%s, [%s]", eax, esi);
+}
+
   void
 bx_disassemble_c::Es(void) {dis_sprintf("*** Es() unfinished ***");}
   void