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cbm_write() added

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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
This commit is contained in:
mrintsch
2001-03-30 18:18:40 +00:00
parent 2d77e8b35f
commit b2e0ed603e
9 changed files with 88 additions and 37 deletions
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37
include/cbm.h
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@@ -104,26 +104,36 @@ unsigned char __fastcall__ cbm_k_open (void);
void __fastcall__ cbm_k_close (unsigned char FN);
unsigned char __fastcall__ cbm_k_readst (void);
unsigned char __fastcall__ cbm_k_chkin (unsigned char FN);
unsigned char __fastcall__ cbm_k_ckout (unsigned char FN);
unsigned char __fastcall__ cbm_k_basin (void);
void __fastcall__ cbm_k_bsout (unsigned char C);
void __fastcall__ cbm_k_clrch (void);
/* BASIC-like functions */
unsigned char cbm_load(const char* name, unsigned char device, unsigned int addr);
/* Loads file "name" from given device to given address or to the load address
* of the file if addr is 0 (like load"name",8,1 in BASIC)
* Returns 0 if loading was successful otherwise an errorcode (see table below).
/* BASIC-like functions
*
* All cbm_* IO functions set extern unsigned char _oserror in case
* of an error. For the meaning of the errorcode see the table below.
*/
unsigned char cbm_load(const char* name, unsigned char device,
unsigned int addr);
/* Loads file "name" from given device to given address or to the load
* address of the file if addr is 0 (like load"name",8,1 in BASIC)
* Returns 0 if loading was successful otherwise an errorcode (see table
* below).
*/
unsigned char cbm_save(const char* name, unsigned char device,
unsigned int start, unsigned int end);
unsigned int start, unsigned int end);
/* Saves a memory area from start to end-1 to a file.
* Returns 0 if saving was successful, otherwise an errorcode (see table below).
* Returns 0 if saving was successful, otherwise an errorcode (see table
* below).
*/
unsigned char cbm_open(unsigned char lfn, unsigned char device,
unsigned char sec_addr, const char* name);
/* Opens a file. Works just like the BASIC command.
* Returns 0 if opening was successful, otherwise an errorcode (see table below).
* Returns 0 if opening was successful, otherwise an errorcode (see table
* below).
*/
void __fastcall__ cbm_close (unsigned char lfn);
@@ -131,8 +141,15 @@ void __fastcall__ cbm_close (unsigned char lfn);
int cbm_read(unsigned char lfn, void* buffer, unsigned int size);
/* Reads up to "size" bytes from a file to "buffer".
* Returns the number of actually read bytes, 0 if there are no bytes left (EOF)
* or -1 in case of an error. _oserror contains an errorcode then (see table below).
* Returns the number of actually read bytes, 0 if there are no bytes left
* (EOF) or -1 in case of an error. _oserror contains an errorcode then (see
* table below).
*/
int cbm_write(unsigned char lfn, void* buffer, unsigned int size);
/* Writes up to "size" bytes from "buffer" to a file.
* Returns the number of actually written bytes or -1 in case of an error.
* _oserror contains an errorcode then (see table below).
*/
/* Errorcodes of cbm_* I/O functions: