diff --git a/DSS/API/curDisk.asm b/DSS/API/curDisk.asm
index 7bc73e1..5c61c19 100644
--- a/DSS/API/curDisk.asm
+++ b/DSS/API/curDisk.asm
@@ -3,14 +3,20 @@
 ;
 ; вход: нет
 ; выход: A - номер диска (0=A,1=B,..)
+;	 C - номер последнего диска в системе
 ;/////////////////////////////////////////////////////////////////////
 CURDISK_FN:
+	LD	A,(LDRIVE)
+	LD	C,A
 	LD	A,(CurrentPath)
 	SUB	'A'
 	RET	NC
 	LD	A,DSS_Error.sys.INVALID_DRIVE
 	RET
-CURDISK: LD	A,(FatBuffer.DRIVE)
+CURDISK:
+	LD	A,(LDRIVE)
+	LD	C,A
+	LD	A,(FatBuffer.DRIVE)
 	AND	A
 	RET 
 ;
\ No newline at end of file
diff --git a/DSS/build.txt b/DSS/build.txt
index be2fb0a..c04091d 100644
--- a/DSS/build.txt
+++ b/DSS/build.txt
@@ -1 +1 @@
-789
\ No newline at end of file
+790
\ No newline at end of file
diff --git a/SHELL/build.txt b/SHELL/build.txt
index 9e6181a..53c7311 100644
--- a/SHELL/build.txt
+++ b/SHELL/build.txt
@@ -1 +1 @@
-285
\ No newline at end of file
+286
\ No newline at end of file