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https://github.com/cc65/cc65.git
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b2e0ed603e
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
171 lines
6.0 KiB
C
171 lines
6.0 KiB
C
/*****************************************************************************/
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/* */
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/* cbm.h */
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/* */
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/* CBM system specific definitions */
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/* */
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/* */
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/* */
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/* (C) 1998-2000 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef _CBM_H
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#define _CBM_H
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/* Load the system specific files here, if needed */
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#ifdef __C64__
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#ifndef _C64_H
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#include <c64.h>
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#endif
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#endif
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#ifdef __C128__
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#ifndef _C128_H
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#include <c128.h>
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#endif
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#endif
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#ifdef __PLUS4__
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#ifndef _PLUS4_H
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#include <plus4.h>
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#endif
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#endif
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#ifdef __CBM610__
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#ifndef _CBM610_H
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#include <cbm610.h>
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#endif
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#endif
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#ifdef __PET__
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#ifndef _PET_H
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#include <pet.h>
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#endif
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#endif
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/* Characters codes (CBM charset) */
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#define CH_HLINE 96
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#define CH_VLINE 125
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#define CH_ULCORNER 176
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#define CH_URCORNER 174
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#define CH_LLCORNER 173
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#define CH_LRCORNER 189
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#define CH_TTEE 178
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#define CH_RTEE 179
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#define CH_BTEE 177
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#define CH_LTEE 171
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#define CH_CROSS 123
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#define CH_CURS_UP 145
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#define CH_CURS_DOWN 17
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#define CH_CURS_LEFT 157
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#define CH_CURS_RIGHT 29
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#define CH_PI 126
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#define CH_DEL 20
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#define CH_INS 148
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#define CH_ESC 95
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/* Kernel level functions */
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void __fastcall__ cbm_k_setlfs (unsigned char LFN, unsigned char DEV,
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unsigned char SA);
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void __fastcall__ cbm_k_setnam (const char* Name);
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unsigned char __fastcall__ cbm_k_load(unsigned char flag, unsigned addr);
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unsigned char __fastcall__ cbm_k_save(unsigned int start, unsigned int end);
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unsigned char __fastcall__ cbm_k_open (void);
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void __fastcall__ cbm_k_close (unsigned char FN);
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unsigned char __fastcall__ cbm_k_readst (void);
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unsigned char __fastcall__ cbm_k_chkin (unsigned char FN);
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unsigned char __fastcall__ cbm_k_ckout (unsigned char FN);
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unsigned char __fastcall__ cbm_k_basin (void);
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void __fastcall__ cbm_k_bsout (unsigned char C);
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void __fastcall__ cbm_k_clrch (void);
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/* BASIC-like functions
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*
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* All cbm_* IO functions set extern unsigned char _oserror in case
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* of an error. For the meaning of the errorcode see the table below.
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*/
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unsigned char cbm_load(const char* name, unsigned char device,
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unsigned int addr);
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/* Loads file "name" from given device to given address or to the load
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* address of the file if addr is 0 (like load"name",8,1 in BASIC)
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* Returns 0 if loading was successful otherwise an errorcode (see table
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* below).
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*/
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unsigned char cbm_save(const char* name, unsigned char device,
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unsigned int start, unsigned int end);
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/* Saves a memory area from start to end-1 to a file.
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* Returns 0 if saving was successful, otherwise an errorcode (see table
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* below).
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*/
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unsigned char cbm_open(unsigned char lfn, unsigned char device,
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unsigned char sec_addr, const char* name);
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/* Opens a file. Works just like the BASIC command.
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* Returns 0 if opening was successful, otherwise an errorcode (see table
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* below).
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*/
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void __fastcall__ cbm_close (unsigned char lfn);
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/* Closes a file */
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int cbm_read(unsigned char lfn, void* buffer, unsigned int size);
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/* Reads up to "size" bytes from a file to "buffer".
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* Returns the number of actually read bytes, 0 if there are no bytes left
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* (EOF) or -1 in case of an error. _oserror contains an errorcode then (see
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* table below).
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*/
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int cbm_write(unsigned char lfn, void* buffer, unsigned int size);
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/* Writes up to "size" bytes from "buffer" to a file.
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* Returns the number of actually written bytes or -1 in case of an error.
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* _oserror contains an errorcode then (see table below).
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*/
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/* Errorcodes of cbm_* I/O functions:
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*
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* errorcode BASIC error
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* 1 = too many files
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* 2 = file open
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* 3 = file not open
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* 4 = file not found
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* 5 = device not present
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* 6 = not input file
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* 7 = not output file
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* 8 = missing filename
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* 9 = illegal device number
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*/
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/* End of cbm.h */
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#endif
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