Reintegrate wbw -> trunk

Source/BIOS/cbios.asm

@@ -292,6 +292,17 @@ WBOOT:
 	RST	08		; DO IT
 #ENDIF
 ;
+	; SOME APPLICATIONS STEAL THE BDOS SERIAL NUMBER STORAGE
+	; AREA (FIRST 6 BYTES OF BDOS) ASSUMING IT WILL BE RESTORED
+	; AT WARM BOOT BY RELOADING OF BDOS.  WE DON'T WANT TO RELOAD
+	; BDOS, SO INSTEAD THE SERIAL NUMBER STORAGE IS FIXED HERE
+	; SO THAT THE DRI SERIAL NUMBER VERIFICATION DOES NOT FAIL
+	LD	HL,BDOS_LOC
+	LD	B,6
+WBOOT1:	LD	(HL),0
+	INC	HL
+	DJNZ	WBOOT1
+;	
 	; FALL THRU TO INVOKE CP/M
 ;
 ;__________________________________________________________________________________________________			

Source/BIOS/hbios.asm

@@ -578,6 +578,14 @@ HB_START:
 ;
 
 #IF ((PLATFORM == PLT_N8) | (PLATFORM == PLT_MK4))
+	; SET BASE FOR CPU IO REGISTERS
+   	LD	A,CPU_BASE
+	OUT0	(CPU_ICR),A
+
+	; DISABLE REFRESH
+	XOR	A
+	OUT0	(CPU_RCR),A
+
 	; SET DEFAULT WAIT STATES TO ACCURATELY MEASURE CPU SPEED
 	LD	A,$F0
 	OUT0	(CPU_DCNTL),A

Source/BIOS/loader.asm

@@ -93,6 +93,10 @@ START:
    	LD	A,CPU_BASE
 	OUT0	(CPU_ICR),A
 
+	; DISABLE REFRESH
+	XOR	A
+	OUT0	(CPU_RCR),A
+
 	; SET DEFAULT CPU CLOCK MULTIPLIERS (XTAL / 2)
 	XOR	A
 	OUT0	(CPU_CCR),A

Source/BIOS/ver.inc

@@ -1,5 +1,5 @@
 #DEFINE	RMJ	2
 #DEFINE	RMN	7
-#DEFINE	RUP	0
+#DEFINE	RUP	1
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"2.7.0"
+#DEFINE BIOSVER	"2.7.1"