cbm_write() added

changed/added some comments
all cbm_* IO functions are using _oserror now


git-svn-id: svn://svn.cc65.org/cc65/trunk@682 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/cbm/cbm_load.c

@@ -6,6 +6,8 @@
 
 #include <cbm.h>
 
+extern unsigned char _oserror;         
+
 /* loads file "name" from given device to given address or to the load address
  * of the file if addr is 0
  */
@@ -13,9 +15,8 @@ unsigned char cbm_load(const char* name, unsigned char device,
                        unsigned int addr)
 {
     /* LFN is set to 0 but it's not needed for loading.
-     * (BASIC V2 sets it to the value of the SA for LOAD)
-     */
+     * (BASIC V2 sets it to the value of the SA for LOAD) */
     cbm_k_setlfs(0, device, addr == 0);
     cbm_k_setnam(name);
-    return cbm_k_load(0, addr);
+    return _oserror = cbm_k_load(0, addr);
 }