/*****************************************************************************/ /* */ /* cbm.h */ /* */ /* CBM system-specific definitions */ /* */ /* */ /* */ /* (C) 1998-2015, Ullrich von Bassewitz */ /* Roemerstrasse 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 be used only when compiling for CBM machines! #endif /* We need NULL. */ #include /* 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 #elif defined(__CX16__) && !defined(_CX16_H) # include #endif /* Include definitions for CBM file types */ #include #define JOY_FIRE_MASK JOY_BTN_1_MASK #define JOY_FIRE(v) ((v) & JOY_FIRE_MASK) /*****************************************************************************/ /* Variables */ /*****************************************************************************/ /* The file stream implementation and the POSIX I/O functions will ** use the following variable to determine the file type to use. */ extern char _filetype; /* Defaults to 's' */ /*****************************************************************************/ /* Character-codes (CBM charset) */ /*****************************************************************************/ #define CH_HLINE 192 #define CH_VLINE 221 #define CH_ULCORNER 176 #define CH_URCORNER 174 #define CH_LLCORNER 173 #define CH_LRCORNER 189 #define CH_TTEE 178 #define CH_BTEE 177 #define CH_LTEE 171 #define CH_RTEE 179 #define CH_CROSS 219 #define CH_CURS_UP 145 #define CH_CURS_DOWN 17 #define CH_CURS_LEFT 157 #define CH_CURS_RIGHT 29 #define CH_PI 222 #define CH_HOME 19 #define CH_DEL 20 #define CH_INS 148 #define CH_ENTER 13 #define CH_STOP 3 #define CH_LIRA 92 #define CH_ESC 27 #define CH_FONT_LOWER 14 #define CH_FONT_UPPER 142 /*****************************************************************************/ /* Definitions for directory reading functions */ /*****************************************************************************/ /* CBM FILE ACCESS */ #define CBM_A_RO 1 /* Read only */ #define CBM_A_WO 2 /* Write 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 254-/256-byte blocks */ unsigned char type; unsigned char access; }; /*****************************************************************************/ /* Machine info */ /*****************************************************************************/ #define TV_NTSC 0 #define TV_PAL 1 #define TV_OTHER 2 unsigned char get_tv (void); /* Return the video mode the machine is using. */ #define KBREPEAT_CURSOR 0x00 #define KBREPEAT_NONE 0x40 #define KBREPEAT_ALL 0x80 unsigned char __fastcall__ kbrepeat (unsigned char mode); /* Changes which keys have automatic repeat. */ #if !defined(__CBM610__) void waitvsync (void); /* Wait for the start of the next video field. */ #endif /*****************************************************************************/ /* CBM kernal functions */ /*****************************************************************************/ /* Constants to use with cbm_open() for openning 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, "0:data,s"); */ #define CBM_READ 0 /* default is ",p" */ #define CBM_WRITE 1 /* ditto */ #define CBM_SEQ 2 /* default is ",r" -- or ",s" when writing */ /* Kernal-level functions */ unsigned char cbm_k_acptr (void); unsigned char cbm_k_basin (void); void __fastcall__ cbm_k_bsout (unsigned char C); unsigned char __fastcall__ cbm_k_chkin (unsigned char FN); unsigned char cbm_k_chrin (void); void __fastcall__ cbm_k_chrout (unsigned char C); void __fastcall__ cbm_k_ciout (unsigned char C); unsigned char __fastcall__ cbm_k_ckout (unsigned char FN); void cbm_k_clall (void); void __fastcall__ cbm_k_close (unsigned char FN); void cbm_k_clrch (void); unsigned char cbm_k_getin (void); unsigned cbm_k_iobase (void); void __fastcall__ cbm_k_listen (unsigned char dev); unsigned int __fastcall__ cbm_k_load(unsigned char flag, unsigned addr); unsigned char cbm_k_open (void); unsigned char cbm_k_readst (void); unsigned char __fastcall__ cbm_k_save(unsigned int start, unsigned int end); void cbm_k_scnkey (void); void __fastcall__ cbm_k_second (unsigned char addr); void __fastcall__ cbm_k_setlfs (unsigned char LFN, unsigned char DEV, unsigned char SA); void __fastcall__ cbm_k_setnam (const char* Name); void __fastcall__ cbm_k_settim (unsigned long timer); void __fastcall__ cbm_k_talk (unsigned char dev); void __fastcall__ cbm_k_tksa (unsigned char addr); void cbm_k_udtim (void); void cbm_k_unlsn (void); void cbm_k_untlk (void); /*****************************************************************************/ /* BASIC-like file I/O functions */ /*****************************************************************************/ /* The cbm_* I/O functions below set __oserror (see errno.h), ** in case of an error. ** ** error-code 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 file-name ** 9 = illegal device-number ** ** 10 = STOP-key pushed ** 11 = general I/O-error */ unsigned int __fastcall__ 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 were loaded if loading was successful; ** otherwise 0, "__oserror" contains an error-code, then (see table above). */ unsigned char __fastcall__ cbm_save (const char* name, unsigned char device, const void* addr, unsigned int size); /* Saves "size" bytes, starting at "addr", to a file. ** Returns 0 if saving was successful, otherwise an error-code (see table ** above). */ 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 openning was successful, otherwise an error-code (see table ** above). */ 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 into "buffer". ** Returns the number of actually-read bytes, 0 if there are no bytes left. ** -1 in case of an error; then, __oserror contains an error-code (see table ** above). (Remember: 0 means end-of-file; -1 means error.) */ int __fastcall__ cbm_write (unsigned char lfn, const 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 error-code, then (see above table). */ unsigned char cbm_opendir (unsigned char lfn, unsigned char device, ...); /* Opens directory listing. Returns 0 if opening directory was successful; ** otherwise, an error-code corresponding to cbm_open(). As an optional ** argument, the name of the directory may be passed to the function. If ** no explicit name is specified, "$" is used. */ 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 non-zero if reading directory failed, or no more file-names to read. ** Returns 2 on last line. Then, l_dirent->size = the number of "blocks free", ** "blocks used", or "mb free". Return codes: ** 0 = read file-name ** 1 = couldn't read directory ** 2 = read "blocks free", "blocks used", or "mb free" ** 3 = couldn't find start of file-name ** 4 = couldn't find end of file-name ** 5 = couldn't read file-type ** 6 = premature end of file */ void __fastcall__ cbm_closedir (unsigned char lfn); /* Closes directory by cbm_close(lfn) */ /* End of cbm.h */ #endif