diff --git a/src/ZX_ROMS/new/SP_128.bin b/src/ZX_ROMS/new/SP_128.bin
index f9b0499..4aa5801 100644
Binary files a/src/ZX_ROMS/new/SP_128.bin and b/src/ZX_ROMS/new/SP_128.bin differ
diff --git a/src/ZX_ROMS/new/ZX_EXP.bin b/src/ZX_ROMS/new/ZX_EXP.bin
new file mode 100644
index 0000000..b63be1f
Binary files /dev/null and b/src/ZX_ROMS/new/ZX_EXP.bin differ
diff --git a/src/ZX_ROMS/new/ZX_EXP2.bin b/src/ZX_ROMS/new/ZX_EXP2.bin
new file mode 100644
index 0000000..20c5995
Binary files /dev/null and b/src/ZX_ROMS/new/ZX_EXP2.bin differ
diff --git a/src/bios/BUILD.a80 b/src/bios/BUILD.a80
index efc474e..ca12ebb 100644
--- a/src/bios/BUILD.a80
+++ b/src/bios/BUILD.a80
@@ -32,6 +32,19 @@
 	ENDM
 ;[--------------------------------------------------------------------------]
 
+ IF BIOS_ZXMODE
+        DEFINE SP_128_BIN   INCBIN 'src/ZX_ROMS/NEW/SP_128.BIN'
+        DEFINE SP__48_BIN   INCBIN 'src/ZX_ROMS/NEW/SP__48.BIN'
+        DEFINE SP_TRDOS_BIN INCBIN 'src/ZX_ROMS/NEW/SP_TRDOS.BIN'
+        DEFINE SP_EXP_BIN   ;INCBIN 'src/ZX_ROMS/SP_EXP.BIN'
+ ELSE
+        DEFINE SP_128_BIN   INCBIN 'src/ZX_ROMS/SP_128.BIN'
+        DEFINE SP__48_BIN   INCBIN 'src/ZX_ROMS/SP__48.BIN'
+        DEFINE SP_TRDOS_BIN INCBIN 'src/ZX_ROMS/SP_TRD.BIN'
+        DEFINE SP_EXP_BIN   INCBIN 'src/ZX_ROMS/SP_EXP.BIN'
+ ENDIF
+
+
 
 ;[--------------------------------------------------------------------------]
  MACRO ROM_BUILD bitstream
@@ -49,19 +62,19 @@
 
 ;
 ;PAGE 2        ZX Page - #42
-        INCBIN 'src/ZX_ROMS/NEW/SP_128.BIN'
+        SP_128_BIN
         Set_Block 'SP_128 free space:				', #C000
 ;				
 ;PAGE 3        ZX Page - #43
-        INCBIN 'src/ZX_ROMS/NEW/SP__48.BIN'	
+        SP__48_BIN	
         Set_Block 'SP_48 free space:				', #10000
 ;				
 ;PAGE 4        ZX Page - #44
-        INCBIN 'src/ZX_ROMS/NEW/SP_TRDOS.BIN'	
+        SP_TRDOS_BIN	
         Set_Block 'SP_TRD free space:				', #14000
 ;			
 ;PAGE 5        ZX Page - #45
-        ;INCBIN 'src/ZX_ROMS/SP_EXP.BIN'
+        SP_EXP_BIN
         Set_Block 'SP_EXP free space:				', #18000
 
  IF SetFullZXromLoader