/*****************************************************************************/ /* */ /* cbm.h */ /* */ /* CBM system specific definitions */ /* */ /* */ /* */ /* (C) 1998-2004 Ullrich von Bassewitz */ /* Römerstrasse 52 */ /* D-70794 Filderstadt */ /* EMail: uz@cc65.org */ /* */ /* */ /* This software is provided 'as-is', without any expressed or implied */ /* warranty. In no event will the authors be held liable for any damages */ /* arising from the use of this software. */ /* */ /* Permission is granted to anyone to use this software for any purpose, */ /* including commercial applications, and to alter it and redistribute it */ /* freely, subject to the following restrictions: */ /* */ /* 1. The origin of this software must not be misrepresented; you must not */ /* claim that you wrote the original software. If you use this software */ /* in a product, an acknowledgment in the product documentation would be */ /* appreciated but is not required. */ /* 2. Altered source versions must be plainly marked as such, and must not */ /* be misrepresented as being the original software. */ /* 3. This notice may not be removed or altered from any source */ /* distribution. */ /* */ /*****************************************************************************/ #ifndef _CBM_H #define _CBM_H /* Check for errors */ #if !defined(__CBM__) # error This module may only be used when compiling for CBM machines! #endif /* Load the system specific files here, if needed */ #if defined(__C64__) && !defined(_C64_H) # include #elif defined(__VIC20__) && !defined(_VIC20_H) # include #elif defined(__C128__) && !defined(_C128_H) # include #elif defined(__PLUS4__) && !defined(_PLUS4_H) # include #elif defined(__C16__) && !defined(_C16_H) # include #elif defined(__CBM510__) && !defined(_CBM510_H) # include #elif defined(__CBM610__) && !defined(_CBM610_H) # include #elif defined(__PET__) && !defined(_PET_H) # include #endif /*****************************************************************************/ /* Variables */ /*****************************************************************************/ /* The file stream implementation and the POSIX I/O functions will use the * following variables to determine the file type and the disk unit to use. */ extern unsigned char _curunit; /* Default 8 */ extern unsigned char _filetype; /* Default 'u' */ /*****************************************************************************/ /* Characters codes (CBM charset) */ /*****************************************************************************/ #define CH_HLINE 96 #define CH_VLINE 125 #define CH_ULCORNER 176 #define CH_URCORNER 174 #define CH_LLCORNER 173 #define CH_LRCORNER 189 #define CH_TTEE 178 #define CH_RTEE 179 #define CH_BTEE 177 #define CH_LTEE 171 #define CH_CROSS 123 #define CH_CURS_UP 145 #define CH_CURS_DOWN 17 #define CH_CURS_LEFT 157 #define CH_CURS_RIGHT 29 #define CH_PI 126 #define CH_DEL 20 #define CH_INS 148 #define CH_ENTER '\n' #define CH_STOP 3 #define CH_ESC 27 /*****************************************************************************/ /* Definitions for directory reading functions */ /*****************************************************************************/ /* CBM FILE TYPES */ #define CBM_T_DEL 0 #define CBM_T_SEQ 1 #define CBM_T_PRG 2 #define CBM_T_USR 3 #define CBM_T_REL 4 #define CBM_T_CBM 5 /* 1581 sub-partition */ #define CBM_T_DIR 6 /* IDE64 and CMD sub-directory */ #define CBM_T_VRP 8 /* Vorpal fast-loadable format */ #define CBM_T_OTHER 5 /* Other file-types not yet defined */ /* CBM FILE ACCESS */ #define CBM_A_RO 1 /* Read only */ #define CBM_A_RW 3 /* Read, Write */ struct cbm_dirent { char name[17]; /* File name in PETSCII, limited to 16 chars */ unsigned int size; /* Size in 256B blocks */ unsigned char type; unsigned char access; }; /*****************************************************************************/ /* Machine info */ /*****************************************************************************/ #define TV_NTSC 0 #define TV_PAL 1 #define TV_OTHER 2 unsigned char __fastcall__ get_tv (void); /* Return the video mode the machine is using. */ /*****************************************************************************/ /* CBM kernal functions */ /*****************************************************************************/ /* Constants to use with cbm_open() for opening a file for reading or * writing without the need to append ",r" or ",w" to the filename. * * e.g.: cbm_open(2, 8, CBM_READ, "data,s"); */ #define CBM_READ 0 #define CBM_WRITE 1 /* Kernel level functions */ void __fastcall__ cbm_k_setlfs (unsigned char LFN, unsigned char DEV, unsigned char SA); void __fastcall__ cbm_k_setnam (const char* Name); unsigned int __fastcall__ cbm_k_load(unsigned char flag, unsigned addr); unsigned char __fastcall__ cbm_k_save(unsigned int start, unsigned int end); 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 file I/O functions */ /*****************************************************************************/ /* All cbm_* IO functions set _oserror (see errno.h) in case of an * error. * * errorcode BASIC error * 1 = too many files * 2 = file open * 3 = file not open * 4 = file not found * 5 = device not present * 6 = not input file * 7 = not output file * 8 = missing filename * 9 = illegal device number */ unsigned int cbm_load (const char* name, unsigned char device, void* data); /* Loads file "name" from given device to given address or to the load * address of the file if "data" is the null pointer (like load"name",8,1 * in BASIC). * Returns number of bytes that where loaded if loading was successful * otherwise 0. "_oserror" contains an errorcode then (see table below). */ unsigned char cbm_save (const char* name, unsigned char device, const void* data, unsigned int size); /* Saves "size" bytes starting at "data" to a file. * Returns 0 if saving was successful, otherwise an errorcode (see table * below). */ unsigned char __fastcall__ 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). */ void __fastcall__ cbm_close (unsigned char lfn); /* Closes a file */ int __fastcall__ 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). */ int __fastcall__ 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 above table). */ unsigned char __fastcall__ cbm_opendir (unsigned char lfn, unsigned char device); /* Opens directory listing. * Returns 0 if opening directory was successful, * othervise errorcode corresponding to cbm_open() */ unsigned char __fastcall__ cbm_readdir (unsigned char lfn, struct cbm_dirent* l_dirent); /* Reads one directory line into cbm_dirent structure. * Returns 0 if reading directory line was successful. * Returns 'true' if reading directory failed or no more files to read. */ void __fastcall__ cbm_closedir (unsigned char lfn); /* Closes directory by cbm_close (unsigned char lfn) */ /* End of cbm.h */ #endif