git.sur5r.net Git - cc65/blob - include/cbm.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                   cbm.h                                   */
   4 /*                                                                           */
   5 /*                      CBM system specific definitions                      */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 1998-2000 Ullrich von Bassewitz                                       */
  10 /*               Wacholderweg 14                                             */
  11 /*               D-70597 Stuttgart                                           */
  12 /* EMail:        uz@musoftware.de                                            */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 #ifndef _CBM_H
  37 #define _CBM_H
  38
  39
  40
  41 /* Load the system specific files here, if needed */
  42 #if defined(__C64__) && !defined(_C64_H)
  43 #  include <c64.h>
  44 #elif defined(__C128__) && !defined(_C128_H)
  45 #  include <c128.h>
  46 #elif defined(__PLUS4__) && !defined(_PLUS4_H)
  47 #  include <plus4.h>
  48 #elif defined(__CBM610__) && !defined(_CBM610_H)
  49 #  include <cbm610.h>
  50 #elif defined(__PET__) && !defined(_PET_H)
  51 #  include <pet.h>
  52 #endif
  53
  54
  55
  56 /* Characters codes (CBM charset) */
  57 #define CH_HLINE                 96
  58 #define CH_VLINE                125
  59 #define CH_ULCORNER             176
  60 #define CH_URCORNER             174
  61 #define CH_LLCORNER             173
  62 #define CH_LRCORNER             189
  63 #define CH_TTEE                 178
  64 #define CH_RTEE                 179
  65 #define CH_BTEE                 177
  66 #define CH_LTEE                 171
  67 #define CH_CROSS                123
  68 #define CH_CURS_UP              145
  69 #define CH_CURS_DOWN             17
  70 #define CH_CURS_LEFT            157
  71 #define CH_CURS_RIGHT            29
  72 #define CH_PI                   126
  73 #define CH_DEL                   20
  74 #define CH_INS                  148
  75 #define CH_ESC                   95
  76
  77
  78
  79 /* Kernel level functions */
  80 void __fastcall__ cbm_k_setlfs (unsigned char LFN, unsigned char DEV,
  81                                 unsigned char SA);
  82 void __fastcall__ cbm_k_setnam (const char* Name);
  83 unsigned char __fastcall__ cbm_k_load(unsigned char flag, unsigned addr);
  84 unsigned char __fastcall__ cbm_k_save(unsigned int start, unsigned int end);
  85 unsigned char __fastcall__ cbm_k_open (void);
  86 void __fastcall__ cbm_k_close (unsigned char FN);
  87 unsigned char __fastcall__ cbm_k_readst (void);
  88 unsigned char __fastcall__ cbm_k_chkin (unsigned char FN);
  89 unsigned char __fastcall__ cbm_k_ckout (unsigned char FN);
  90 unsigned char __fastcall__ cbm_k_basin (void);
  91 void __fastcall__ cbm_k_bsout (unsigned char C);
  92 void __fastcall__ cbm_k_clrch (void);
  93
  94
  95
  96 /* BASIC-like file I/O functions
  97  *
  98  * All cbm_* IO functions set _oserror (see errno.h) in case of an
  99  * error. For the meaning of the errorcode see the table below.
 100  */
 101
 102
 103
 104 unsigned char cbm_load(const char* name, unsigned char device,
 105                        unsigned int addr);
 106 /* Loads file "name" from given device to given address or to the load
 107  * address of the file if addr is 0 (like load"name",8,1 in BASIC)
 108  * Returns 0 if loading was successful otherwise an errorcode (see table
 109  * below).
 110  */
 111
 112 unsigned char cbm_save(const char* name, unsigned char device,
 113                        unsigned int start, unsigned int end);
 114 /* Saves a memory area from start to end-1 to a file.
 115  * Returns 0 if saving was successful, otherwise an errorcode (see table
 116  * below).
 117  */
 118
 119 unsigned char cbm_open(unsigned char lfn, unsigned char device,
 120                        unsigned char sec_addr, const char* name);
 121 /* Opens a file. Works just like the BASIC command.
 122  * Returns 0 if opening was successful, otherwise an errorcode (see table
 123  * below).
 124  */
 125
 126 void __fastcall__ cbm_close (unsigned char lfn);
 127 /* Closes a file */
 128
 129 int cbm_read(unsigned char lfn, void* buffer, unsigned int size);
 130 /* Reads up to "size" bytes from a file to "buffer".
 131  * Returns the number of actually read bytes, 0 if there are no bytes left
 132  * (EOF) or -1 in case of an error. _oserror contains an errorcode then (see
 133  * table below).
 134  */
 135
 136 int cbm_write(unsigned char lfn, void* buffer, unsigned int size);
 137 /* Writes up to "size" bytes from "buffer" to a file.
 138  * Returns the number of actually written bytes or -1 in case of an error.
 139  * _oserror contains an errorcode then (see table below).
 140  */
 141
 142 /* Errorcodes of cbm_* I/O functions:
 143  *
 144  * errorcode    BASIC error
 145  *      1   =   too many files
 146  *      2   =   file open
 147  *      3   =   file not open
 148  *      4   =   file not found
 149  *      5   =   device not present
 150  *      6   =   not input file
 151  *      7   =   not output file
 152  *      8   =   missing filename
 153  *      9   =   illegal device number
 154  */
 155
 156
 157
 158 /* End of cbm.h */
 159 #endif
 160
 161