--- np2/i286a/cpucore.h	2004/01/25 06:01:31	1.12
+++ np2/i286a/cpucore.h	2005/03/05 06:02:29	1.15
@@ -241,6 +241,16 @@ void i286a_step(void);
 #define	CPU_SS			i286acore.s.r.w.ss
 #define	CPU_IP			i286acore.s.r.w.ip
 
+#define	CPU_EAX			i286core.s.r.w.ax
+#define	CPU_EBX			i286core.s.r.w.bx
+#define	CPU_ECX			i286core.s.r.w.cx
+#define	CPU_EDX			i286core.s.r.w.dx
+#define	CPU_ESI			i286core.s.r.w.si
+#define	CPU_EDI			i286core.s.r.w.di
+#define	CPU_EBP			i286core.s.r.w.bp
+#define	CPU_ESP			i286core.s.r.w.sp
+#define	CPU_EIP			i286core.s.r.w.ip
+
 #define	ES_BASE			i286acore.s.es_base
 #define	CS_BASE			i286acore.s.cs_base
 #define	SS_BASE			i286acore.s.ss_base
@@ -287,15 +297,16 @@ void i286a_step(void);
 #define	CPU_isEI		(i286acore.s.r.w.flag & I_FLAG)
 #define	CPU_CLI			i286acore.s.r.w.flag &= ~I_FLAG;
 #define	CPU_STI			i286acore.s.r.w.flag |= I_FLAG;
+#define	CPU_A20EN(en)	CPU_ADRSMASK = (en)?0xfffffff:0x000fffff;
 
-#define	CPU_INITIALIZE			i286a_initialize
-#define	CPU_DEINITIALIZE		i286a_deinitialize
-#define	CPU_RESET				i286a_reset
-#define	CPU_CLEARPREFETCH()		
-#define	CPU_INTERRUPT(vect)		i286a_interrupt(vect)
-#define	CPU_EXEC				i286a
-#define	CPU_EXECV30				i286a
-#define	CPU_SHUT				i286a_shut
-#define	CPU_SETEXTSIZE(size)	i286a_setextsize((UINT32)(size) << 20)
-#define	CPU_SETEMM(frame, addr)	i286a_setemm(frame, addr)
+#define	CPU_INITIALIZE				i286a_initialize
+#define	CPU_DEINITIALIZE			i286a_deinitialize
+#define	CPU_RESET					i286a_reset
+#define	CPU_CLEARPREFETCH()			
+#define	CPU_INTERRUPT(vect, soft)	i286a_interrupt(vect)
+#define	CPU_EXEC					i286a
+#define	CPU_EXECV30					i286a
+#define	CPU_SHUT					i286a_shut
+#define	CPU_SETEXTSIZE(size)		i286a_setextsize((UINT32)(size) << 20)
+#define	CPU_SETEMM(frame, addr)		i286a_setemm(frame, addr)