changes for debugger

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@195

src/cpu/core_16/main.h

@@ -887,10 +887,17 @@ restart:
 			break;
 		case 0xcc:												/* INT3 */
 			INTERRUPT(3);
+#if C_DEBUG 
+			return 0; 
+#endif
 			break;
 		case 0xcd:												/* INT Ib */	
 			{
 				Bit8u num=Fetchb();
+#if C_DEBUG
+				SAVEIP;
+				if (DEBUG_IntBreakpoint(num)) return 0;
+#endif
 				INTERRUPT(num);				
 			}
 			break;

src/cpu/slow_16.cpp

@@ -24,6 +24,10 @@
 #include "pic.h"
 #include "fpu.h"
 
+#if C_DEBUG
+#include "debug.h"
+#endif
+
 typedef PhysPt EAPoint;
 #define SegBase(c)	SegPhys(c)
 #define LoadMb(off) mem_readb(off)