1 /*****************************************************************************/
5 /* CBM system-specific definitions */
9 /* (C) 1998-2015, Ullrich von Bassewitz */
10 /* Roemerstrasse 52 */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
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. */
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: */
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 */
32 /*****************************************************************************/
41 /* Check for errors */
43 # error This module may be used only when compiling for CBM machines!
51 /* Load the system-specific files here, if needed. */
52 #if defined(__C64__) && !defined(_C64_H)
54 #elif defined(__VIC20__) && !defined(_VIC20_H)
56 #elif defined(__C128__) && !defined(_C128_H)
58 #elif defined(__PLUS4__) && !defined(_PLUS4_H)
60 #elif defined(__C16__) && !defined(_C16_H)
62 #elif defined(__CBM510__) && !defined(_CBM510_H)
64 #elif defined(__CBM610__) && !defined(_CBM610_H)
66 #elif defined(__PET__) && !defined(_PET_H)
70 /* Include definitions for CBM file types */
71 #include <cbm_filetype.h>
75 #define JOY_FIRE_MASK JOY_BTN_1_MASK
76 #define JOY_FIRE(v) ((v) & JOY_FIRE_MASK)
80 /*****************************************************************************/
82 /*****************************************************************************/
86 /* The file stream implementation and the POSIX I/O functions will
87 ** use the following variable to determine the file type to use.
89 extern char _filetype; /* Defaults to 's' */
93 /*****************************************************************************/
94 /* Character-codes (CBM charset) */
95 /*****************************************************************************/
101 #define CH_ULCORNER 176
102 #define CH_URCORNER 174
103 #define CH_LLCORNER 173
104 #define CH_LRCORNER 189
110 #define CH_CURS_UP 145
111 #define CH_CURS_DOWN 17
112 #define CH_CURS_LEFT 157
113 #define CH_CURS_RIGHT 29
125 /*****************************************************************************/
126 /* Definitions for directory reading functions */
127 /*****************************************************************************/
131 /* CBM FILE ACCESS */
132 #define CBM_A_RO 1 /* Read only */
133 #define CBM_A_WO 2 /* Write only */
134 #define CBM_A_RW 3 /* Read, Write */
137 char name[17]; /* File name in PetSCII, limited to 16 chars */
138 unsigned int size; /* Size, in 254-/256-byte blocks */
140 unsigned char access;
145 /*****************************************************************************/
147 /*****************************************************************************/
155 unsigned char get_tv (void);
156 /* Return the video mode the machine is using. */
158 #define KBREPEAT_CURSOR 0x00
159 #define KBREPEAT_NONE 0x40
160 #define KBREPEAT_ALL 0x80
162 unsigned char __fastcall__ kbrepeat (unsigned char mode);
163 /* Changes which keys have automatic repeat. */
165 #if !defined(__CBM610__) && !defined(__PET__)
166 void waitvsync (void);
167 /* Wait for the start of the next frame */
170 /*****************************************************************************/
171 /* CBM kernal functions */
172 /*****************************************************************************/
176 /* Constants to use with cbm_open() for openning a file for reading or
177 ** writing without the need to append ",r" or ",w" to the filename.
179 ** e.g., cbm_open(2, 8, CBM_READ, "0:data,s");
181 #define CBM_READ 0 /* default is ",p" */
182 #define CBM_WRITE 1 /* ditto */
183 #define CBM_SEQ 2 /* default is ",r" -- or ",s" when writing */
185 /* Kernal-level functions */
186 unsigned char cbm_k_acptr (void);
187 unsigned char cbm_k_basin (void);
188 void __fastcall__ cbm_k_bsout (unsigned char C);
189 unsigned char __fastcall__ cbm_k_chkin (unsigned char FN);
190 void __fastcall__ cbm_k_ciout (unsigned char C);
191 unsigned char __fastcall__ cbm_k_ckout (unsigned char FN);
192 void cbm_k_clall (void);
193 void __fastcall__ cbm_k_close (unsigned char FN);
194 void cbm_k_clrch (void);
195 unsigned char cbm_k_getin (void);
196 unsigned cbm_k_iobase (void);
197 void __fastcall__ cbm_k_listen (unsigned char dev);
198 unsigned int __fastcall__ cbm_k_load(unsigned char flag, unsigned addr);
199 unsigned char cbm_k_open (void);
200 unsigned char cbm_k_readst (void);
201 unsigned char __fastcall__ cbm_k_save(unsigned int start, unsigned int end);
202 void cbm_k_scnkey (void);
203 void __fastcall__ cbm_k_second (unsigned char addr);
204 void __fastcall__ cbm_k_setlfs (unsigned char LFN, unsigned char DEV,
206 void __fastcall__ cbm_k_setnam (const char* Name);
207 void __fastcall__ cbm_k_talk (unsigned char dev);
208 void __fastcall__ cbm_k_tksa (unsigned char addr);
209 void cbm_k_udtim (void);
210 void cbm_k_unlsn (void);
211 void cbm_k_untlk (void);
215 /*****************************************************************************/
216 /* BASIC-like file I/O functions */
217 /*****************************************************************************/
221 /* The cbm_* I/O functions below set _oserror (see errno.h),
222 ** in case of an error.
224 ** error-code BASIC error
225 ** ---------- -----------
226 ** 1 = too many files
229 ** 4 = file not found
230 ** 5 = device not present
231 ** 6 = not input-file
232 ** 7 = not output-file
233 ** 8 = missing file-name
234 ** 9 = illegal device-number
236 ** 10 = STOP-key pushed
237 ** 11 = general I/O-error
242 unsigned int __fastcall__ cbm_load (const char* name, unsigned char device, void* data);
243 /* Loads file "name", from given device, to given address -- or, to the load
244 ** address of the file if "data" is the null pointer (like load"name",8,1
246 ** Returns number of bytes that were loaded if loading was successful;
247 ** otherwise 0, "_oserror" contains an error-code, then (see table above).
250 unsigned char __fastcall__ cbm_save (const char* name, unsigned char device,
251 const void* addr, unsigned int size);
252 /* Saves "size" bytes, starting at "addr", to a file.
253 ** Returns 0 if saving was successful, otherwise an error-code (see table
257 unsigned char __fastcall__ cbm_open (unsigned char lfn, unsigned char device,
258 unsigned char sec_addr, const char* name);
259 /* Opens a file. Works just like the BASIC command.
260 ** Returns 0 if openning was successful, otherwise an error-code (see table
264 void __fastcall__ cbm_close (unsigned char lfn);
267 int __fastcall__ cbm_read (unsigned char lfn, void* buffer, unsigned int size);
268 /* Reads up to "size" bytes from a file into "buffer".
269 ** Returns the number of actually-read bytes, 0 if there are no bytes left.
270 ** -1 in case of an error; then, _oserror contains an error-code (see table
271 ** above). (Remember: 0 means end-of-file; -1 means error.)
274 int __fastcall__ cbm_write (unsigned char lfn, const void* buffer,
276 /* Writes up to "size" bytes from "buffer" to a file.
277 ** Returns the number of actually-written bytes, or -1 in case of an error;
278 ** _oserror contains an error-code, then (see above table).
281 unsigned char cbm_opendir (unsigned char lfn, unsigned char device, ...);
282 /* Opens directory listing. Returns 0 if opening directory was successful;
283 ** otherwise, an error-code corresponding to cbm_open(). As an optional
284 ** argument, the name of the directory may be passed to the function. If
285 ** no explicit name is specified, "$" is used.
288 unsigned char __fastcall__ cbm_readdir (unsigned char lfn,
289 struct cbm_dirent* l_dirent);
290 /* Reads one directory line into cbm_dirent structure.
291 ** Returns 0 if reading directory-line was successful.
292 ** Returns non-zero if reading directory failed, or no more file-names to read.
293 ** Returns 2 on last line. Then, l_dirent->size = the number of "blocks free."
296 void __fastcall__ cbm_closedir (unsigned char lfn);
297 /* Closes directory by cbm_close(lfn) */