dosGetUMBLinkState needs to return state in _AL, not _AX (see #10)

FDOS · May 14, 2019 · b335934 · b335934
1 parent ae902a3
commit b335934
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/gumblink.c b/lib/gumblink.c
@@ -48,5 +48,5 @@ int dosGetUMBLinkState(void)
 
 	_AX = 0x5802;			/* get UMB link */
 	geninterrupt(0x21);
-	return _CFLAG ? 0 : _AX;
+	return _CFLAG ? 0 : _AL;
 }