44 |
|
CHMOD_DIRECT // Direct buffer access ('#') |
45 |
|
}; |
46 |
|
|
47 |
– |
// Access modes |
48 |
– |
enum { |
49 |
– |
FMODE_READ, FMODE_WRITE, FMODE_APPEND |
50 |
– |
}; |
51 |
– |
|
52 |
– |
// File types |
53 |
– |
enum { |
54 |
– |
FTYPE_PRG, FTYPE_SEQ, FTYPE_USR, FTYPE_REL |
55 |
– |
}; |
56 |
– |
|
47 |
|
// Number of tracks/sectors |
48 |
|
const int NUM_TRACKS = 35; |
49 |
|
const int NUM_SECTORS = 683; |
150 |
|
* Open channel |
151 |
|
*/ |
152 |
|
|
153 |
< |
uint8 D64Drive::Open(int channel, char *filename) |
153 |
> |
uint8 D64Drive::Open(int channel, const uint8 *name, int name_len) |
154 |
|
{ |
155 |
|
set_error(ERR_OK); |
156 |
|
|
157 |
|
// Channel 15: execute file name as command |
158 |
|
if (channel == 15) { |
159 |
< |
execute_command(filename); |
159 |
> |
execute_cmd(name, name_len); |
160 |
|
return ST_OK; |
161 |
|
} |
162 |
|
|
165 |
|
return ST_OK; |
166 |
|
} |
167 |
|
|
168 |
< |
if (filename[0] == '$') |
168 |
> |
if (name[0] == '$') |
169 |
|
if (channel) |
170 |
|
return open_file_ts(channel, 18, 0); |
171 |
|
else |
172 |
< |
return open_directory(filename+1); |
172 |
> |
return open_directory(name + 1, name_len - 1); |
173 |
|
|
174 |
< |
if (filename[0] == '#') |
175 |
< |
return open_direct(channel, filename); |
174 |
> |
if (name[0] == '#') |
175 |
> |
return open_direct(channel, name); |
176 |
|
|
177 |
< |
return open_file(channel, filename); |
177 |
> |
return open_file(channel, name, name_len); |
178 |
|
} |
179 |
|
|
180 |
|
|
182 |
|
* Open file |
183 |
|
*/ |
184 |
|
|
185 |
< |
uint8 D64Drive::open_file(int channel, char *filename) |
185 |
> |
uint8 D64Drive::open_file(int channel, const uint8 *name, int name_len) |
186 |
|
{ |
187 |
< |
char plainname[256]; |
188 |
< |
int filemode = FMODE_READ; |
189 |
< |
int filetype = FTYPE_PRG; |
190 |
< |
int track, sector; |
191 |
< |
|
192 |
< |
convert_filename(filename, plainname, &filemode, &filetype); |
193 |
< |
|
194 |
< |
// Channel 0 is READ PRG, channel 1 is WRITE PRG |
195 |
< |
if (!channel) { |
196 |
< |
filemode = FMODE_READ; |
197 |
< |
filetype = FTYPE_PRG; |
198 |
< |
} |
199 |
< |
if (channel == 1) { |
200 |
< |
filemode = FMODE_WRITE; |
211 |
< |
filetype = FTYPE_PRG; |
187 |
> |
uint8 plain_name[256]; |
188 |
> |
int plain_name_len; |
189 |
> |
int mode = FMODE_READ; |
190 |
> |
int type = FTYPE_PRG; |
191 |
> |
int rec_len = 0; |
192 |
> |
parse_file_name(name, name_len, plain_name, plain_name_len, mode, type, rec_len); |
193 |
> |
if (plain_name_len > 16) |
194 |
> |
plain_name_len = 16; |
195 |
> |
|
196 |
> |
// Channel 0 is READ, channel 1 is WRITE |
197 |
> |
if (channel == 0 || channel == 1) { |
198 |
> |
mode = channel ? FMODE_WRITE : FMODE_READ; |
199 |
> |
if (type == FTYPE_DEL) |
200 |
> |
type = FTYPE_PRG; |
201 |
|
} |
202 |
|
|
203 |
|
// Allow only read accesses |
204 |
< |
if (filemode != FMODE_READ) { |
204 |
> |
if (mode != FMODE_READ) { |
205 |
|
set_error(ERR_WRITEPROTECT); |
206 |
|
return ST_OK; |
207 |
|
} |
208 |
|
|
209 |
+ |
// Relative files are not supported |
210 |
+ |
if (type == FTYPE_REL) { |
211 |
+ |
set_error(ERR_UNIMPLEMENTED); |
212 |
+ |
return ST_OK; |
213 |
+ |
} |
214 |
+ |
|
215 |
|
// Find file in directory and open it |
216 |
< |
if (find_file(plainname, &track, §or)) |
216 |
> |
int track, sector; |
217 |
> |
if (find_file(plain_name, &track, §or)) |
218 |
|
return open_file_ts(channel, track, sector); |
219 |
|
else |
220 |
|
set_error(ERR_FILENOTFOUND); |
224 |
|
|
225 |
|
|
226 |
|
/* |
231 |
– |
* Analyze file name, get access mode and type |
232 |
– |
*/ |
233 |
– |
|
234 |
– |
void D64Drive::convert_filename(char *srcname, char *destname, int *filemode, int *filetype) |
235 |
– |
{ |
236 |
– |
char *p; |
237 |
– |
|
238 |
– |
// Search for ':', p points to first character after ':' |
239 |
– |
if ((p = strchr(srcname, ':')) != NULL) |
240 |
– |
p++; |
241 |
– |
else |
242 |
– |
p = srcname; |
243 |
– |
|
244 |
– |
// Remaining string -> destname |
245 |
– |
strncpy(destname, p, NAMEBUF_LENGTH); |
246 |
– |
|
247 |
– |
// Search for ',' |
248 |
– |
p = destname; |
249 |
– |
while (*p && (*p != ',')) p++; |
250 |
– |
|
251 |
– |
// Look for mode parameters seperated by ',' |
252 |
– |
p = destname; |
253 |
– |
while ((p = strchr(p, ',')) != NULL) { |
254 |
– |
|
255 |
– |
// Cut string after the first ',' |
256 |
– |
*p++ = 0; |
257 |
– |
|
258 |
– |
switch (*p) { |
259 |
– |
case 'P': |
260 |
– |
*filetype = FTYPE_PRG; |
261 |
– |
break; |
262 |
– |
case 'S': |
263 |
– |
*filetype = FTYPE_SEQ; |
264 |
– |
break; |
265 |
– |
case 'U': |
266 |
– |
*filetype = FTYPE_USR; |
267 |
– |
break; |
268 |
– |
case 'L': |
269 |
– |
*filetype = FTYPE_REL; |
270 |
– |
break; |
271 |
– |
case 'R': |
272 |
– |
*filemode = FMODE_READ; |
273 |
– |
break; |
274 |
– |
case 'W': |
275 |
– |
*filemode = FMODE_WRITE; |
276 |
– |
break; |
277 |
– |
case 'A': |
278 |
– |
*filemode = FMODE_APPEND; |
279 |
– |
break; |
280 |
– |
} |
281 |
– |
} |
282 |
– |
} |
283 |
– |
|
284 |
– |
|
285 |
– |
/* |
227 |
|
* Search file in directory, find first track and sector |
228 |
|
* false: not found, true: found |
229 |
|
*/ |
230 |
|
|
231 |
< |
bool D64Drive::find_file(char *filename, int *track, int *sector) |
231 |
> |
bool D64Drive::find_file(const uint8 *pattern, int *track, int *sector) |
232 |
|
{ |
233 |
|
int i, j; |
234 |
< |
uint8 *p, *q; |
234 |
> |
const uint8 *p, *q; |
235 |
|
DirEntry *de; |
236 |
|
|
237 |
|
// Scan all directory blocks |
249 |
|
*sector = de->sector; |
250 |
|
|
251 |
|
if (de->type) { |
252 |
< |
p = (uint8 *)filename; |
252 |
> |
p = pattern; |
253 |
|
q = de->name; |
254 |
|
for (i=0; i<16 && *p; i++, p++, q++) { |
255 |
|
if (*p == '*') // Wildcard '*' matches all following characters |
314 |
|
return *n == 0xa0; |
315 |
|
} |
316 |
|
|
317 |
< |
uint8 D64Drive::open_directory(char *pattern) |
317 |
> |
uint8 D64Drive::open_directory(const uint8 *pattern, int pattern_len) |
318 |
|
{ |
378 |
– |
int i, j, n, m; |
379 |
– |
uint8 *p, *q; |
380 |
– |
DirEntry *de; |
381 |
– |
uint8 c; |
382 |
– |
char *tmppat; |
383 |
– |
|
319 |
|
// Special treatment for "$0" |
320 |
< |
if (pattern[0] == '0' && pattern[1] == 0) |
321 |
< |
pattern += 1; |
320 |
> |
if (pattern[0] == '0' && pattern[1] == 0) { |
321 |
> |
pattern++; |
322 |
> |
pattern_len--; |
323 |
> |
} |
324 |
|
|
325 |
|
// Skip everything before the ':' in the pattern |
326 |
< |
if ((tmppat = strchr(pattern, ':')) != NULL) |
327 |
< |
pattern = tmppat + 1; |
326 |
> |
uint8 *t = (uint8 *)memchr(pattern, ':', pattern_len); |
327 |
> |
if (t) { |
328 |
> |
t++; |
329 |
> |
pattern_len -= t - pattern; |
330 |
> |
pattern = t; |
331 |
> |
} |
332 |
|
|
392 |
– |
p = buf_ptr[0] = chan_buf[0] = new uint8[8192]; |
333 |
|
chan_mode[0] = CHMOD_DIRECTORY; |
334 |
+ |
uint8 *p = buf_ptr[0] = chan_buf[0] = new uint8[8192]; |
335 |
|
|
336 |
|
// Create directory title |
337 |
|
*p++ = 0x01; // Load address $0401 (from PET days :-) |
343 |
|
*p++ = 0x12; // RVS ON |
344 |
|
*p++ = '\"'; |
345 |
|
|
346 |
< |
q = bam->disk_name; |
347 |
< |
for (i=0; i<23; i++) { |
346 |
> |
uint8 *q = bam->disk_name; |
347 |
> |
for (int i=0; i<23; i++) { |
348 |
> |
int c; |
349 |
|
if ((c = *q++) == 0xa0) |
350 |
|
*p++ = ' '; // Replace 0xa0 by space |
351 |
|
else |
363 |
|
return ST_OK; |
364 |
|
|
365 |
|
// Scan all 8 entries of a block |
366 |
< |
for (j=0; j<8; j++) { |
367 |
< |
de = &dir.entry[j]; |
366 |
> |
for (int j=0; j<8; j++) { |
367 |
> |
DirEntry *de = &dir.entry[j]; |
368 |
|
|
369 |
|
if (de->type && match((uint8 *)pattern, de->name)) { |
370 |
|
*p++ = 0x01; // Dummy line link |
374 |
|
*p++ = de->num_blocks_h; |
375 |
|
|
376 |
|
*p++ = ' '; |
377 |
< |
n = (de->num_blocks_h << 8) + de->num_blocks_l; |
377 |
> |
int n = (de->num_blocks_h << 8) + de->num_blocks_l; |
378 |
|
if (n<10) *p++ = ' '; |
379 |
|
if (n<100) *p++ = ' '; |
380 |
|
|
381 |
|
*p++ = '\"'; |
382 |
|
q = de->name; |
383 |
< |
m = 0; |
384 |
< |
for (i=0; i<16; i++) { |
383 |
> |
uint8 c; |
384 |
> |
int m = 0; |
385 |
> |
for (int i=0; i<16; i++) { |
386 |
|
if ((c = *q++) == 0xa0) { |
387 |
|
if (m) |
388 |
< |
*p++ = ' '; // Replace all 0xa0 by spaces |
388 |
> |
*p++ = ' '; // Replace all 0xa0 by spaces |
389 |
|
else |
390 |
|
m = *p++ = '\"'; // But the first by a '"' |
391 |
|
} else |
396 |
|
else |
397 |
|
*p++ = '\"'; // No 0xa0, then append a space |
398 |
|
|
399 |
+ |
// Open files are marked by '*' |
400 |
|
if (de->type & 0x80) |
401 |
|
*p++ = ' '; |
402 |
|
else |
403 |
|
*p++ = '*'; |
404 |
|
|
405 |
+ |
// File type |
406 |
|
*p++ = type_char_1[de->type & 0x0f]; |
407 |
|
*p++ = type_char_2[de->type & 0x0f]; |
408 |
|
*p++ = type_char_3[de->type & 0x0f]; |
409 |
|
|
410 |
+ |
// Protected files are marked by '<' |
411 |
|
if (de->type & 0x40) |
412 |
|
*p++ = '<'; |
413 |
|
else |
414 |
|
*p++ = ' '; |
415 |
|
|
416 |
+ |
// Appropriate number of spaces at the end |
417 |
|
*p++ = ' '; |
418 |
|
if (n >= 10) *p++ = ' '; |
419 |
|
if (n >= 100) *p++ = ' '; |
422 |
|
} |
423 |
|
} |
424 |
|
|
425 |
< |
// Final line |
426 |
< |
q = p; |
427 |
< |
for (i=0; i<29; i++) |
428 |
< |
*q++ = ' '; |
429 |
< |
|
430 |
< |
n = 0; |
484 |
< |
for (i=0; i<35; i++) |
485 |
< |
n += bam->bitmap[i*4]; |
425 |
> |
// Final line, count number of free blocks |
426 |
> |
int n = 0; |
427 |
> |
for (int i=0; i<35; i++) { |
428 |
> |
if (i != 17) // exclude directory track |
429 |
> |
n += bam->bitmap[i*4]; |
430 |
> |
} |
431 |
|
|
432 |
|
*p++ = 0x01; // Dummy line link |
433 |
|
*p++ = 0x01; |
447 |
|
*p++ = 'E'; |
448 |
|
*p++ = '.'; |
449 |
|
|
450 |
< |
p = q; |
450 |
> |
memset(p, ' ', 13); |
451 |
> |
p += 13; |
452 |
> |
|
453 |
|
*p++ = 0; |
454 |
|
*p++ = 0; |
455 |
|
*p++ = 0; |
464 |
|
* Open channel for direct buffer access |
465 |
|
*/ |
466 |
|
|
467 |
< |
uint8 D64Drive::open_direct(int channel, char *filename) |
467 |
> |
uint8 D64Drive::open_direct(int channel, const uint8 *name) |
468 |
|
{ |
469 |
|
int buf = -1; |
470 |
|
|
471 |
< |
if (filename[1] == 0) |
471 |
> |
if (name[1] == 0) |
472 |
|
buf = alloc_buffer(-1); |
473 |
|
else |
474 |
< |
if ((filename[1] >= '0') && (filename[1] <= '3') && (filename[2] == 0)) |
475 |
< |
buf = alloc_buffer(filename[1] - '0'); |
474 |
> |
if ((name[1] >= '0') && (name[1] <= '3') && (name[2] == 0)) |
475 |
> |
buf = alloc_buffer(name[1] - '0'); |
476 |
|
|
477 |
|
if (buf == -1) { |
478 |
|
set_error(ERR_NOCHANNEL); |
604 |
|
|
605 |
|
case CHMOD_COMMAND: |
606 |
|
// Collect characters and execute command on EOI |
607 |
< |
if (cmd_len >= 40) |
607 |
> |
if (cmd_len >= 58) |
608 |
|
return ST_TIMEOUT; |
609 |
|
|
610 |
< |
cmd_buffer[cmd_len++] = byte; |
610 |
> |
cmd_buf[cmd_len++] = byte; |
611 |
|
|
612 |
|
if (eoi) { |
613 |
< |
cmd_buffer[cmd_len++] = 0; |
613 |
> |
execute_cmd(cmd_buf, cmd_len); |
614 |
|
cmd_len = 0; |
668 |
– |
execute_command(cmd_buffer); |
615 |
|
} |
616 |
|
return ST_OK; |
617 |
|
|
627 |
|
* Execute command string |
628 |
|
*/ |
629 |
|
|
630 |
< |
void D64Drive::execute_command(char *command) |
630 |
> |
// BLOCK-READ:channel,0,track,sector |
631 |
> |
void D64Drive::block_read_cmd(int channel, int track, int sector, bool user_cmd) |
632 |
|
{ |
633 |
< |
uint16 adr; |
634 |
< |
int len; |
635 |
< |
|
636 |
< |
switch (command[0]) { |
637 |
< |
case 'B': |
638 |
< |
if (command[1] != '-') |
639 |
< |
set_error(ERR_SYNTAX30); |
640 |
< |
else |
641 |
< |
switch (command[2]) { |
642 |
< |
case 'R': |
643 |
< |
block_read_cmd(&command[3]); |
697 |
< |
break; |
698 |
< |
|
699 |
< |
case 'P': |
700 |
< |
buffer_ptr_cmd(&command[3]); |
701 |
< |
break; |
702 |
< |
|
703 |
< |
case 'A': |
704 |
< |
case 'F': |
705 |
< |
case 'W': |
706 |
< |
set_error(ERR_WRITEPROTECT); |
707 |
< |
break; |
708 |
< |
|
709 |
< |
default: |
710 |
< |
set_error(ERR_SYNTAX30); |
711 |
< |
break; |
712 |
< |
} |
713 |
< |
break; |
714 |
< |
|
715 |
< |
case 'M': |
716 |
< |
if (command[1] != '-') |
717 |
< |
set_error(ERR_SYNTAX30); |
718 |
< |
else |
719 |
< |
switch (command[2]) { |
720 |
< |
case 'R': |
721 |
< |
adr = ((uint8)command[4] << 8) | ((uint8)command[3]); |
722 |
< |
error_ptr = (char *)(ram + (adr & 0x07ff)); |
723 |
< |
if (!(error_len = (uint8)command[5])) |
724 |
< |
error_len = 1; |
725 |
< |
break; |
726 |
< |
|
727 |
< |
case 'W': |
728 |
< |
adr = ((uint8)command[4] << 8) | ((uint8)command[3]); |
729 |
< |
len = (uint8)command[5]; |
730 |
< |
for (int i=0; i<len; i++) |
731 |
< |
ram[adr+i] = (uint8)command[i+6]; |
732 |
< |
break; |
733 |
< |
|
734 |
< |
default: |
735 |
< |
set_error(ERR_SYNTAX30); |
736 |
< |
} |
737 |
< |
break; |
738 |
< |
|
739 |
< |
case 'I': |
740 |
< |
close_all_channels(); |
741 |
< |
read_sector(18, 0, (uint8 *)bam); |
742 |
< |
set_error(ERR_OK); |
743 |
< |
break; |
744 |
< |
|
745 |
< |
case 'U': |
746 |
< |
switch (command[1] & 0x0f) { |
747 |
< |
case 1: // U1/UA: Block-Read |
748 |
< |
block_read_cmd(&command[2]); |
749 |
< |
break; |
750 |
< |
|
751 |
< |
case 2: // U2/UB: Block-Write |
752 |
< |
set_error(ERR_WRITEPROTECT); |
753 |
< |
break; |
754 |
< |
|
755 |
< |
case 10: // U:/UJ: Reset |
756 |
< |
Reset(); |
757 |
< |
break; |
758 |
< |
|
759 |
< |
default: |
760 |
< |
set_error(ERR_SYNTAX30); |
761 |
< |
break; |
762 |
< |
} |
763 |
< |
break; |
764 |
< |
|
765 |
< |
case 'G': |
766 |
< |
if (command[1] != ':') |
767 |
< |
set_error(ERR_SYNTAX30); |
768 |
< |
else |
769 |
< |
chd64_cmd(&command[2]); |
770 |
< |
break; |
771 |
< |
|
772 |
< |
case 'C': |
773 |
< |
case 'N': |
774 |
< |
case 'R': |
775 |
< |
case 'S': |
776 |
< |
case 'V': |
777 |
< |
set_error(ERR_WRITEPROTECT); |
778 |
< |
break; |
779 |
< |
|
780 |
< |
default: |
781 |
< |
set_error(ERR_SYNTAX30); |
782 |
< |
break; |
633 |
> |
if (channel >= 16 || chan_mode[channel] != CHMOD_DIRECT) { |
634 |
> |
set_error(ERR_NOCHANNEL); |
635 |
> |
return; |
636 |
> |
} |
637 |
> |
read_sector(track, sector, chan_buf[channel]); |
638 |
> |
if (user_cmd) { |
639 |
> |
buf_len[channel] = 256; |
640 |
> |
buf_ptr[channel] = chan_buf[channel]; |
641 |
> |
} else { |
642 |
> |
buf_len[channel] = chan_buf[channel][0]; |
643 |
> |
buf_ptr[channel] = chan_buf[channel] + 1; |
644 |
|
} |
645 |
|
} |
646 |
|
|
647 |
< |
|
648 |
< |
/* |
788 |
< |
* Execute B-R command |
789 |
< |
*/ |
790 |
< |
|
791 |
< |
void D64Drive::block_read_cmd(char *command) |
647 |
> |
// BUFFER-POINTER:channel,pos |
648 |
> |
void D64Drive::buffer_pointer_cmd(int channel, int pos) |
649 |
|
{ |
650 |
< |
int channel, drvnum, track, sector; |
651 |
< |
|
652 |
< |
if (parse_bcmd(command, &channel, &drvnum, &track, §or)) { |
653 |
< |
if (chan_mode[channel] == CHMOD_DIRECT) { |
654 |
< |
read_sector(track, sector, buf_ptr[channel] = chan_buf[channel]); |
655 |
< |
buf_len[channel] = 256; |
799 |
< |
set_error(ERR_OK); |
800 |
< |
} else |
801 |
< |
set_error(ERR_NOCHANNEL); |
802 |
< |
} else |
803 |
< |
set_error(ERR_SYNTAX30); |
650 |
> |
if (channel >= 16 || chan_mode[channel] != CHMOD_DIRECT) { |
651 |
> |
set_error(ERR_NOCHANNEL); |
652 |
> |
return; |
653 |
> |
} |
654 |
> |
buf_ptr[channel] = chan_buf[channel] + pos; |
655 |
> |
buf_len[channel] = 256 - pos; |
656 |
|
} |
657 |
|
|
658 |
< |
|
659 |
< |
/* |
808 |
< |
* Execute B-P command |
809 |
< |
*/ |
810 |
< |
|
811 |
< |
void D64Drive::buffer_ptr_cmd(char *command) |
658 |
> |
// M-R<adr low><adr high>[<number>] |
659 |
> |
void D64Drive::mem_read_cmd(uint16 adr, uint8 len) |
660 |
|
{ |
661 |
< |
int channel, pointer, i; |
662 |
< |
|
663 |
< |
if (parse_bcmd(command, &channel, &pointer, &i, &i)) { |
664 |
< |
if (chan_mode[channel] == CHMOD_DIRECT) { |
665 |
< |
buf_ptr[channel] = chan_buf[channel] + pointer; |
666 |
< |
buf_len[channel] = 256 - pointer; |
667 |
< |
set_error(ERR_OK); |
668 |
< |
} else |
669 |
< |
set_error(ERR_NOCHANNEL); |
822 |
< |
} else |
823 |
< |
set_error(ERR_SYNTAX30); |
661 |
> |
error_len = len; |
662 |
> |
if (adr >= 0x300 && adr < 0x1000) { |
663 |
> |
// Read from RAM |
664 |
> |
error_ptr = (char *)ram + (adr & 0x7ff); |
665 |
> |
} else { |
666 |
> |
unsupp_cmd(); |
667 |
> |
memset(error_buf, 0, len); |
668 |
> |
error_ptr = error_buf; |
669 |
> |
} |
670 |
|
} |
671 |
|
|
672 |
< |
|
673 |
< |
/* |
828 |
< |
* Parse block command parameters |
829 |
< |
* true: OK, false: error |
830 |
< |
*/ |
831 |
< |
|
832 |
< |
bool D64Drive::parse_bcmd(char *cmd, int *arg1, int *arg2, int *arg3, int *arg4) |
672 |
> |
// M-W<adr low><adr high><number><data...> |
673 |
> |
void D64Drive::mem_write_cmd(uint16 adr, uint8 len, uint8 *p) |
674 |
|
{ |
675 |
< |
int i; |
676 |
< |
|
677 |
< |
if (*cmd == ':') cmd++; |
678 |
< |
|
679 |
< |
// Read four parameters separated by space, cursor right or comma |
680 |
< |
while (*cmd == ' ' || *cmd == 0x1d || *cmd == 0x2c) cmd++; |
681 |
< |
if (!*cmd) return false; |
682 |
< |
|
683 |
< |
i = 0; |
843 |
< |
while (*cmd >= 0x30 && *cmd < 0x40) { |
844 |
< |
i *= 10; |
845 |
< |
i += *cmd++ & 0x0f; |
846 |
< |
} |
847 |
< |
*arg1 = i & 0xff; |
848 |
< |
|
849 |
< |
while (*cmd == ' ' || *cmd == 0x1d || *cmd == 0x2c) cmd++; |
850 |
< |
if (!*cmd) return false; |
851 |
< |
|
852 |
< |
i = 0; |
853 |
< |
while (*cmd >= 0x30 && *cmd < 0x40) { |
854 |
< |
i *= 10; |
855 |
< |
i += *cmd++ & 0x0f; |
856 |
< |
} |
857 |
< |
*arg2 = i & 0xff; |
858 |
< |
|
859 |
< |
while (*cmd == ' ' || *cmd == 0x1d || *cmd == 0x2c) cmd++; |
860 |
< |
if (!*cmd) return false; |
861 |
< |
|
862 |
< |
i = 0; |
863 |
< |
while (*cmd >= 0x30 && *cmd < 0x40) { |
864 |
< |
i *= 10; |
865 |
< |
i += *cmd++ & 0x0f; |
866 |
< |
} |
867 |
< |
*arg3 = i & 0xff; |
868 |
< |
|
869 |
< |
while (*cmd == ' ' || *cmd == 0x1d || *cmd == 0x2c) cmd++; |
870 |
< |
if (!*cmd) return false; |
871 |
< |
|
872 |
< |
i = 0; |
873 |
< |
while (*cmd >= 0x30 && *cmd < 0x40) { |
874 |
< |
i *= 10; |
875 |
< |
i += *cmd++ & 0x0f; |
675 |
> |
while (len) { |
676 |
> |
if (adr >= 0x300 && adr < 0x1000) { |
677 |
> |
// Write to RAM |
678 |
> |
ram[adr & 0x7ff] = *p; |
679 |
> |
} else if (adr < 0xc000) { |
680 |
> |
unsupp_cmd(); |
681 |
> |
return; |
682 |
> |
} |
683 |
> |
len--; adr++; p++; |
684 |
|
} |
877 |
– |
*arg4 = i & 0xff; |
878 |
– |
|
879 |
– |
return true; |
685 |
|
} |
686 |
|
|
687 |
< |
|
688 |
< |
/* |
884 |
< |
* Execute 'G' command |
885 |
< |
*/ |
886 |
< |
|
887 |
< |
void D64Drive::chd64_cmd(char *d64name) |
687 |
> |
// INITIALIZE |
688 |
> |
void D64Drive::initialize_cmd(void) |
689 |
|
{ |
690 |
< |
char str[NAMEBUF_LENGTH]; |
890 |
< |
char *p = str; |
891 |
< |
|
892 |
< |
// Convert .d64 file name |
893 |
< |
for (int i=0; i<NAMEBUF_LENGTH && (*p++ = conv_from_64(*d64name++, false)); i++) ; |
894 |
< |
|
690 |
> |
// Close all channels and re-read BAM |
691 |
|
close_all_channels(); |
896 |
– |
|
897 |
– |
// G:. resets the .d64 file name to its original setting |
898 |
– |
if (str[0] == '.' && str[1] == 0) |
899 |
– |
open_close_d64_file(orig_d64_name); |
900 |
– |
else |
901 |
– |
open_close_d64_file(str); |
902 |
– |
|
903 |
– |
// Read BAM |
692 |
|
read_sector(18, 0, (uint8 *)bam); |
693 |
|
} |
694 |
|
|
810 |
|
|
811 |
|
return (sector_offset[track] + sector) << 8; |
812 |
|
} |
1025 |
– |
|
1026 |
– |
|
1027 |
– |
/* |
1028 |
– |
* Conversion PETSCII->ASCII |
1029 |
– |
*/ |
1030 |
– |
|
1031 |
– |
uint8 D64Drive::conv_from_64(uint8 c, bool map_slash) |
1032 |
– |
{ |
1033 |
– |
if ((c >= 'A') && (c <= 'Z') || (c >= 'a') && (c <= 'z')) |
1034 |
– |
return c ^ 0x20; |
1035 |
– |
if ((c >= 0xc1) && (c <= 0xda)) |
1036 |
– |
return c ^ 0x80; |
1037 |
– |
if ((c == '/') && map_slash && ThePrefs.MapSlash) |
1038 |
– |
return '\\'; |
1039 |
– |
return c; |
1040 |
– |
} |