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 #ifdef __C64__
  43 #ifndef _C64_H
  44 #include <c64.h>
  45 #endif
  46 #endif
  47
  48 #ifdef __C128__
  49 #ifndef _C128_H
  50 #include <c128.h>
  51 #endif
  52 #endif
  53
  54 #ifdef __PLUS4__
  55 #ifndef _PLUS4_H
  56 #include <plus4.h>
  57 #endif
  58 #endif
  59
  60 #ifdef __CBM610__
  61 #ifndef _CBM610_H
  62 #include <cbm610.h>
  63 #endif
  64 #endif
  65
  66 #ifdef __PET__
  67 #ifndef _PET_H
  68 #include <pet.h>
  69 #endif
  70 #endif
  71
  72
  73
  74 /* Characters codes (CBM charset) */
  75 #define CH_HLINE                 96
  76 #define CH_VLINE                125
  77 #define CH_ULCORNER             176
  78 #define CH_URCORNER             174
  79 #define CH_LLCORNER             173
  80 #define CH_LRCORNER             189
  81 #define CH_TTEE                 178
  82 #define CH_RTEE                 179
  83 #define CH_BTEE                 177
  84 #define CH_LTEE                 171
  85 #define CH_CROSS                123
  86 #define CH_CURS_UP              145
  87 #define CH_CURS_DOWN             17
  88 #define CH_CURS_LEFT            157
  89 #define CH_CURS_RIGHT            29
  90 #define CH_PI                   126
  91 #define CH_DEL                   20
  92 #define CH_INS                  148
  93 #define CH_ESC                   95
  94
  95
  96
  97 /* Kernel level functions */
  98 void __fastcall__ cbm_k_setlfs (unsigned char LFN, unsigned char DEV,
  99                                 unsigned char SA);
 100 void __fastcall__ cbm_k_setnam (const char* Name);
 101 unsigned char __fastcall__ cbm_k_load(unsigned char flag, unsigned addr);
 102 unsigned char __fastcall__ cbm_k_save(unsigned int start, unsigned int end);
 103 unsigned char __fastcall__ cbm_k_open (void);
 104 void __fastcall__ cbm_k_close (unsigned char FN);
 105 unsigned char __fastcall__ cbm_k_readst (void);
 106 unsigned char __fastcall__ cbm_k_chkin (unsigned char FN);
 107 unsigned char __fastcall__ cbm_k_basin (void);
 108 void __fastcall__ cbm_k_clrch (void);
 109
 110 /* BASIC-like functions */
 111 unsigned char cbm_load(const char* name, unsigned char device, unsigned int addr);
 112 /* Loads file "name" from given device to given address or to the load address
 113  * of the file if addr is 0 (like load"name",8,1 in BASIC)
 114  * Returns 0 if loading was successful otherwise an errorcode (see table below).
 115  */
 116
 117 unsigned char cbm_save(const char* name, unsigned char device,
 118                       unsigned int start, unsigned int end);
 119 /* Saves a memory area from start to end-1 to a file.
 120  * Returns 0 if saving was successful, otherwise an errorcode (see table below).
 121  */
 122
 123 unsigned char cbm_open(unsigned char lfn, unsigned char device,
 124                        unsigned char sec_addr, const char* name);
 125 /* Opens a file. Works just like the BASIC command.
 126  * Returns 0 if opening was successful, otherwise an errorcode (see table below).
 127  */
 128
 129 void __fastcall__ cbm_close (unsigned char lfn);
 130 /* Closes a file */
 131
 132 int cbm_read(unsigned char lfn, void* buffer, unsigned int size);
 133 /* Reads up to "size" bytes from a file to "buffer".
 134  * Returns the number of actually read bytes, 0 if there are no bytes left (EOF)
 135  * or -1 in case of an error. _oserror contains an errorcode then (see table below).
 136  */
 137
 138 /* Errorcodes of cbm_* I/O functions:
 139  *
 140  * errorcode    BASIC error
 141  *      1   =   too many files
 142  *      2   =   file open
 143  *      3   =   file not open
 144  *      4   =   file not found
 145  *      5   =   device not present
 146  *      6   =   not input file
 147  *      7   =   not output file
 148  *      8   =   missing filename
 149  *      9   =   illegal device number
 150  */
 151
 152 /* End of cbm.h */
 153 #endif