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 /* Expanding upon joystick.h */
79 #define JOY_FIRE_IDX 4
81 #define JOY_FIRE(v) ((v) & joy_masks[JOY_FIRE_IDX])
85 /*****************************************************************************/
87 /*****************************************************************************/
91 /* The file stream implementation and the POSIX I/O functions will
92 ** use the following variable to determine the file type to use.
94 extern char _filetype; /* Defaults to 's' */
98 /*****************************************************************************/
99 /* Character-codes (CBM charset) */
100 /*****************************************************************************/
106 #define CH_ULCORNER 176
107 #define CH_URCORNER 174
108 #define CH_LLCORNER 173
109 #define CH_LRCORNER 189
115 #define CH_CURS_UP 145
116 #define CH_CURS_DOWN 17
117 #define CH_CURS_LEFT 157
118 #define CH_CURS_RIGHT 29
130 /*****************************************************************************/
131 /* Definitions for directory reading functions */
132 /*****************************************************************************/
136 /* CBM FILE ACCESS */
137 #define CBM_A_RO 1 /* Read only */
138 #define CBM_A_WO 2 /* Write only */
139 #define CBM_A_RW 3 /* Read, Write */
142 char name[17]; /* File name in PetSCII, limited to 16 chars */
143 unsigned int size; /* Size, in 254-/256-byte blocks */
145 unsigned char access;
150 /*****************************************************************************/
152 /*****************************************************************************/
160 unsigned char get_tv (void);
161 /* Return the video mode the machine is using. */
163 #define KBDREPEAT_CURSOR 0x00
164 #define KBDREPEAT_NONE 0x40
165 #define KBDREPEAT_ALL 0x80
167 unsigned char kbrepeat(unsigned char);
168 unsigned char kbrepeatdelay(unsigned char);
169 unsigned char kbrepeatrate(unsigned char);
171 #if !defined(__CBM610__) && !defined(__PET__)
172 void waitvsync (void);
173 /* wait for the start of the next frame */
176 /*****************************************************************************/
177 /* CBM kernal functions */
178 /*****************************************************************************/
182 /* Constants to use with cbm_open() for openning a file for reading or
183 ** writing without the need to append ",r" or ",w" to the filename.
185 ** e.g., cbm_open(2, 8, CBM_READ, "0:data,s");
187 #define CBM_READ 0 /* default is ",p" */
188 #define CBM_WRITE 1 /* ditto */
189 #define CBM_SEQ 2 /* default is ",r" -- or ",s" when writing */
191 /* Kernal-level functions */
192 unsigned char cbm_k_acptr (void);
193 unsigned char cbm_k_basin (void);
194 void __fastcall__ cbm_k_bsout (unsigned char C);
195 unsigned char __fastcall__ cbm_k_chkin (unsigned char FN);
196 void __fastcall__ cbm_k_ciout (unsigned char C);
197 unsigned char __fastcall__ cbm_k_ckout (unsigned char FN);
198 void cbm_k_clall (void);
199 void __fastcall__ cbm_k_close (unsigned char FN);
200 void cbm_k_clrch (void);
201 unsigned char cbm_k_getin (void);
202 unsigned cbm_k_iobase (void);
203 void __fastcall__ cbm_k_listen (unsigned char dev);
204 unsigned int __fastcall__ cbm_k_load(unsigned char flag, unsigned addr);
205 unsigned char cbm_k_open (void);
206 unsigned char cbm_k_readst (void);
207 unsigned char __fastcall__ cbm_k_save(unsigned int start, unsigned int end);
208 void cbm_k_scnkey (void);
209 void __fastcall__ cbm_k_setlfs (unsigned char LFN, unsigned char DEV,
211 void __fastcall__ cbm_k_setnam (const char* Name);
212 void __fastcall__ cbm_k_talk (unsigned char dev);
213 void cbm_k_udtim (void);
214 void cbm_k_unlsn (void);
218 /*****************************************************************************/
219 /* BASIC-like file I/O functions */
220 /*****************************************************************************/
224 /* The cbm_* I/O functions below set _oserror (see errno.h),
225 ** in case of an error.
227 ** error-code BASIC error
228 ** ---------- -----------
229 ** 1 = too many files
232 ** 4 = file not found
233 ** 5 = device not present
234 ** 6 = not input-file
235 ** 7 = not output-file
236 ** 8 = missing file-name
237 ** 9 = illegal device-number
239 ** 10 = STOP-key pushed
240 ** 11 = general I/O-error
245 unsigned int __fastcall__ cbm_load (const char* name, unsigned char device, void* data);
246 /* Loads file "name", from given device, to given address -- or, to the load
247 ** address of the file if "data" is the null pointer (like load"name",8,1
249 ** Returns number of bytes that were loaded if loading was successful;
250 ** otherwise 0, "_oserror" contains an error-code, then (see table above).
253 unsigned char __fastcall__ cbm_save (const char* name, unsigned char device,
254 const void* addr, unsigned int size);
255 /* Saves "size" bytes, starting at "addr", to a file.
256 ** Returns 0 if saving was successful, otherwise an error-code (see table
260 unsigned char __fastcall__ cbm_open (unsigned char lfn, unsigned char device,
261 unsigned char sec_addr, const char* name);
262 /* Opens a file. Works just like the BASIC command.
263 ** Returns 0 if openning was successful, otherwise an error-code (see table
267 void __fastcall__ cbm_close (unsigned char lfn);
270 int __fastcall__ cbm_read (unsigned char lfn, void* buffer, unsigned int size);
271 /* Reads up to "size" bytes from a file into "buffer".
272 ** Returns the number of actually-read bytes, 0 if there are no bytes left.
273 ** -1 in case of an error; then, _oserror contains an error-code (see table
274 ** above). (Remember: 0 means end-of-file; -1 means error.)
277 int __fastcall__ cbm_write (unsigned char lfn, const void* buffer,
279 /* Writes up to "size" bytes from "buffer" to a file.
280 ** Returns the number of actually-written bytes, or -1 in case of an error;
281 ** _oserror contains an error-code, then (see above table).
284 unsigned char cbm_opendir (unsigned char lfn, unsigned char device, ...);
285 /* Opens directory listing. Returns 0 if opening directory was successful;
286 ** otherwise, an error-code corresponding to cbm_open(). As an optional
287 ** argument, the name of the directory may be passed to the function. If
288 ** no explicit name is specified, "$" is used.
291 unsigned char __fastcall__ cbm_readdir (unsigned char lfn,
292 struct cbm_dirent* l_dirent);
293 /* Reads one directory line into cbm_dirent structure.
294 ** Returns 0 if reading directory-line was successful.
295 ** Returns non-zero if reading directory failed, or no more file-names to read.
296 ** Returns 2 on last line. Then, l_dirent->size = the number of "blocks free."
299 void __fastcall__ cbm_closedir (unsigned char lfn);
300 /* Closes directory by cbm_close(lfn) */