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!
50 #if !defined(_STDDEF_H)
54 /* Load the system-specific files here, if needed. */
55 #if defined(__C64__) && !defined(_C64_H)
57 #elif defined(__VIC20__) && !defined(_VIC20_H)
59 #elif defined(__C128__) && !defined(_C128_H)
61 #elif defined(__PLUS4__) && !defined(_PLUS4_H)
63 #elif defined(__C16__) && !defined(_C16_H)
65 #elif defined(__CBM510__) && !defined(_CBM510_H)
67 #elif defined(__CBM610__) && !defined(_CBM610_H)
69 #elif defined(__PET__) && !defined(_PET_H)
73 /* Include definitions for CBM file types */
74 #include <cbm_filetype.h>
78 /*****************************************************************************/
80 /*****************************************************************************/
84 /* The file stream implementation and the POSIX I/O functions will
85 ** use the following variable to determine the file type to use.
87 extern char _filetype; /* Defaults to 's' */
91 /*****************************************************************************/
92 /* Character-codes (CBM charset) */
93 /*****************************************************************************/
99 #define CH_ULCORNER 176
100 #define CH_URCORNER 174
101 #define CH_LLCORNER 173
102 #define CH_LRCORNER 189
108 #define CH_CURS_UP 145
109 #define CH_CURS_DOWN 17
110 #define CH_CURS_LEFT 157
111 #define CH_CURS_RIGHT 29
123 /*****************************************************************************/
124 /* Definitions for directory reading functions */
125 /*****************************************************************************/
129 /* CBM FILE ACCESS */
130 #define CBM_A_RO 1 /* Read only */
131 #define CBM_A_WO 2 /* Write only */
132 #define CBM_A_RW 3 /* Read, Write */
135 char name[17]; /* File name in PetSCII, limited to 16 chars */
136 unsigned int size; /* Size, in 254-/256-byte blocks */
138 unsigned char access;
143 /*****************************************************************************/
145 /*****************************************************************************/
153 unsigned char get_tv (void);
154 /* Return the video mode the machine is using. */
156 #if !defined(__CBM610__) && !defined(__PET__)
157 void waitvsync (void);
158 /* wait for the start of the next frame */
161 /*****************************************************************************/
162 /* CBM kernal functions */
163 /*****************************************************************************/
167 /* Constants to use with cbm_open() for openning a file for reading or
168 ** writing without the need to append ",r" or ",w" to the filename.
170 ** e.g., cbm_open(2, 8, CBM_READ, "0:data,s");
172 #define CBM_READ 0 /* default is ",p" */
173 #define CBM_WRITE 1 /* ditto */
174 #define CBM_SEQ 2 /* default is ",r" -- or ",s" when writing */
176 /* Kernal-level functions */
177 unsigned char cbm_k_acptr (void);
178 unsigned char cbm_k_basin (void);
179 void __fastcall__ cbm_k_bsout (unsigned char C);
180 unsigned char __fastcall__ cbm_k_chkin (unsigned char FN);
181 void __fastcall__ cbm_k_ciout (unsigned char C);
182 unsigned char __fastcall__ cbm_k_ckout (unsigned char FN);
183 void cbm_k_clall (void);
184 void __fastcall__ cbm_k_close (unsigned char FN);
185 void cbm_k_clrch (void);
186 unsigned char cbm_k_getin (void);
187 unsigned cbm_k_iobase (void);
188 void __fastcall__ cbm_k_listen (unsigned char dev);
189 unsigned int __fastcall__ cbm_k_load(unsigned char flag, unsigned addr);
190 unsigned char cbm_k_open (void);
191 unsigned char cbm_k_readst (void);
192 unsigned char __fastcall__ cbm_k_save(unsigned int start, unsigned int end);
193 void cbm_k_scnkey (void);
194 void __fastcall__ cbm_k_setlfs (unsigned char LFN, unsigned char DEV,
196 void __fastcall__ cbm_k_setnam (const char* Name);
197 void __fastcall__ cbm_k_talk (unsigned char dev);
198 void cbm_k_udtim (void);
199 void cbm_k_unlsn (void);
203 /*****************************************************************************/
204 /* BASIC-like file I/O functions */
205 /*****************************************************************************/
209 /* The cbm_* I/O functions below set _oserror (see errno.h),
210 ** in case of an error.
212 ** error-code BASIC error
213 ** ---------- -----------
214 ** 1 = too many files
217 ** 4 = file not found
218 ** 5 = device not present
219 ** 6 = not input-file
220 ** 7 = not output-file
221 ** 8 = missing file-name
222 ** 9 = illegal device-number
224 ** 10 = STOP-key pushed
225 ** 11 = general I/O-error
230 unsigned int __fastcall__ cbm_load (const char* name, unsigned char device, void* data);
231 /* Loads file "name", from given device, to given address -- or, to the load
232 ** address of the file if "data" is the null pointer (like load"name",8,1
234 ** Returns number of bytes that were loaded if loading was successful;
235 ** otherwise 0, "_oserror" contains an error-code, then (see table above).
238 unsigned char __fastcall__ cbm_save (const char* name, unsigned char device,
239 const void* addr, unsigned int size);
240 /* Saves "size" bytes, starting at "addr", to a file.
241 ** Returns 0 if saving was successful, otherwise an error-code (see table
245 unsigned char __fastcall__ cbm_open (unsigned char lfn, unsigned char device,
246 unsigned char sec_addr, const char* name);
247 /* Opens a file. Works just like the BASIC command.
248 ** Returns 0 if openning was successful, otherwise an error-code (see table
252 void __fastcall__ cbm_close (unsigned char lfn);
255 int __fastcall__ cbm_read (unsigned char lfn, void* buffer, unsigned int size);
256 /* Reads up to "size" bytes from a file into "buffer".
257 ** Returns the number of actually-read bytes, 0 if there are no bytes left.
258 ** -1 in case of an error; then, _oserror contains an error-code (see table
259 ** above). (Remember: 0 means end-of-file; -1 means error.)
262 int __fastcall__ cbm_write (unsigned char lfn, const void* buffer,
264 /* Writes up to "size" bytes from "buffer" to a file.
265 ** Returns the number of actually-written bytes, or -1 in case of an error;
266 ** _oserror contains an error-code, then (see above table).
269 unsigned char cbm_opendir (unsigned char lfn, unsigned char device, ...);
270 /* Opens directory listing. Returns 0 if opening directory was successful;
271 ** otherwise, an error-code corresponding to cbm_open(). As an optional
272 ** argument, the name of the directory may be passed to the function. If
273 ** no explicit name is specified, "$" is used.
276 unsigned char __fastcall__ cbm_readdir (unsigned char lfn,
277 struct cbm_dirent* l_dirent);
278 /* Reads one directory line into cbm_dirent structure.
279 ** Returns 0 if reading directory-line was successful.
280 ** Returns non-zero if reading directory failed, or no more file-names to read.
281 ** Returns 2 on last line. Then, l_dirent->size = the number of "blocks free."
284 void __fastcall__ cbm_closedir (unsigned char lfn);
285 /* Closes directory by cbm_close(lfn) */