Rev 635 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
220 | heavyiron | 1 | ; flat assembler |
542 | diamond | 2 | ; Copyright (c) 1999-2007, Tomasz Grysztar |
31 | halyavin | 3 | ; All rights reserved. |
4 | |||
182 | serge | 5 | struc FILEIO |
6 | { .cmd dd ? |
||
7 | .offset dd ? |
||
8 | dd ? |
||
9 | .count dd ? |
||
10 | .buff dd ? |
||
11 | db ? |
||
12 | .name dd ? |
||
13 | }; |
||
14 | |||
15 | struc FILEINFO |
||
16 | { .attr dd ? |
||
17 | .flags dd ? |
||
18 | .cr_time dd ? |
||
19 | .cr_date dd ? |
||
20 | .acc_time dd ? |
||
21 | .acc_date dd ? |
||
22 | .mod_time dd ? |
||
23 | .mod_date dd ? |
||
24 | .size dd ? |
||
25 | } |
||
26 | |||
27 | |||
28 | |||
29 | ;file_info_open: dd 0,0,0xffffff,0x20000,0xf0000 |
||
174 | heavyiron | 30 | fullpath_open: ; db '/RD/1/EXAMPLE.ASM' |
31 | halyavin | 31 | times MAX_PATH db 0 |
32 | |||
174 | heavyiron | 33 | |
182 | serge | 34 | ;file_info_write: dd 1,0,0,0,0xf0000 |
174 | heavyiron | 35 | fullpath_write:; db '/RD/1/EXAMPLE' |
31 | halyavin | 36 | times MAX_PATH db 0 |
37 | |||
542 | diamond | 38 | file_info_start: |
174 | heavyiron | 39 | dd 7 |
40 | dd 0 |
||
41 | dd 0 |
||
42 | dd 0 |
||
43 | dd 0 |
||
44 | fullpath_start: ; db '/RD/1/EXAMPLE' |
||
31 | halyavin | 45 | times MAX_PATH db 0 |
46 | |||
542 | diamond | 47 | file_info_debug: |
48 | dd 7 |
||
49 | dd 0 |
||
50 | dd fullpath_start |
||
51 | dd 0, 0 |
||
52 | db '/SYS/DEVELOP/MTDBG',0 |
||
53 | |||
54 | _ramdisk db '/RD/1/' |
||
31 | halyavin | 55 | filepos dd 0x0 |
56 | |||
57 | ; info by Privalov: starting from FASM 1.51 |
||
58 | ; ~3/8 - additional memory |
||
59 | ; ~5/8 - main memory |
||
60 | init_memory: |
||
635 | diamond | 61 | mcall 18, 16 |
755 | diamond | 62 | cmp ecx, 0x38000000 shr 9 |
635 | diamond | 63 | jbe @f |
755 | diamond | 64 | mov ecx, 0x38000000 shr 9 |
635 | diamond | 65 | @@: |
755 | diamond | 66 | shl ecx, 9 |
67 | mcall 68, 12 |
||
68 | mov [memory_start], eax |
||
69 | mov [memblock], eax |
||
70 | push eax |
||
71 | add eax, ecx |
||
72 | mov [additional_memory_end], eax |
||
73 | pop eax |
||
635 | diamond | 74 | shr ecx, 3 |
755 | diamond | 75 | add eax, ecx |
76 | lea eax, [ecx*4+eax] |
||
77 | mov [memory_end],eax |
||
78 | mov [additional_memory],eax |
||
31 | halyavin | 79 | ret |
80 | |||
81 | exit_program: |
||
82 | cmp [_mode],NORMAL_MODE |
||
635 | diamond | 83 | jne @f |
755 | diamond | 84 | mcall 68, 13, [memblock] |
635 | diamond | 85 | jmp still |
86 | @@: |
||
31 | halyavin | 87 | or eax,-1 |
485 | heavyiron | 88 | mcall |
31 | halyavin | 89 | |
90 | make_timestamp: |
||
91 | push ebx |
||
92 | mcall 26,9 |
||
93 | imul eax,10 |
||
94 | pop ebx |
||
95 | ret |
||
96 | |||
97 | get_environment_variable: |
||
98 | mov ecx,[memory_end] |
||
99 | sub ecx,edi |
||
100 | cmp ecx,7 |
||
101 | jb out_of_memory |
||
102 | cmp dword[esi],'INCL' |
||
103 | jne .finish |
||
104 | mov esi,_ramdisk |
||
105 | mov ecx,6 |
||
106 | cld |
||
107 | rep movsb |
||
108 | .finish: |
||
109 | ; stc |
||
110 | ret |
||
111 | |||
332 | diamond | 112 | alloc_handle: |
113 | call make_fullpaths |
||
114 | mov ebx, fileinfos+4 |
||
115 | @@: |
||
116 | cmp dword [ebx], -1 |
||
117 | jz .found |
||
118 | add ebx, 4+20+MAX_PATH |
||
119 | cmp ebx, fileinfos_end |
||
120 | jb @b |
||
121 | stc |
||
122 | ret |
||
123 | .found: |
||
124 | and dword [ebx+4], 0 |
||
125 | and dword [ebx+8], 0 |
||
126 | push esi edi ecx |
||
127 | mov esi, fullpath_open |
||
128 | lea edi, [ebx+20] |
||
129 | mov ecx, MAX_PATH |
||
130 | rep movsb |
||
131 | pop ecx edi esi |
||
132 | ret ; CF=0 |
||
31 | halyavin | 133 | |
134 | create: |
||
332 | diamond | 135 | call alloc_handle |
136 | jc .ret |
||
137 | and dword [ebx-4], 0 |
||
138 | mov dword [ebx], 2 |
||
139 | .ret: |
||
140 | ret |
||
31 | halyavin | 141 | |
182 | serge | 142 | |
143 | open: |
||
144 | ; call make_fullpaths |
||
145 | |||
146 | ;; mov eax,fullpath_open |
||
147 | ;; DEBUGF '"%s"\n',eax |
||
148 | |||
149 | ; mov dword[file_info_open+8],-1 |
||
150 | ; mcall 58,file_info_open |
||
151 | ; or eax,eax ; found |
||
152 | ; jz @f |
||
153 | ; cmp eax,6 |
||
154 | ; jne file_error |
||
155 | ;@@: mov [filesize],ebx |
||
156 | ; clc |
||
157 | ; ret |
||
158 | ;file_error: |
||
159 | ; stc |
||
160 | ; ret |
||
161 | |||
332 | diamond | 162 | call alloc_handle |
163 | jc .ret |
||
164 | mov dword [ebx], 5 |
||
165 | and dword [ebx+12], 0 |
||
166 | mov dword [ebx+16], fileinfo |
||
167 | mov eax, 70 |
||
168 | push ebx |
||
485 | heavyiron | 169 | mcall |
332 | diamond | 170 | pop ebx |
171 | test eax, eax |
||
172 | jnz .fail |
||
173 | mov eax, [fileinfo.size] |
||
174 | mov [ebx-4], eax |
||
175 | and dword [ebx], 0 |
||
176 | .ret: |
||
177 | ret |
||
182 | serge | 178 | .fail: |
332 | diamond | 179 | or dword [ebx], -1 ; close handle |
180 | stc |
||
181 | ret |
||
182 | serge | 182 | |
183 | read: |
||
184 | ; pusha |
||
185 | ; mov edi,edx |
||
186 | ; mov esi,[filepos] |
||
187 | ; add esi,0x20000 |
||
188 | ; cld |
||
189 | ; rep movsb |
||
190 | ; popa |
||
191 | ;; ret |
||
192 | |||
332 | diamond | 193 | mov [ebx+12], ecx |
194 | mov [ebx+16], edx |
||
195 | push ebx |
||
196 | mov eax, 70 |
||
485 | heavyiron | 197 | mcall |
332 | diamond | 198 | xchg eax, [esp] |
199 | add [eax+4], ebx |
||
200 | adc [eax+8], dword 0 |
||
201 | mov ebx, eax |
||
202 | pop eax |
||
203 | test eax, eax |
||
204 | jz .ok |
||
205 | cmp eax, 6 |
||
206 | jz .ok |
||
207 | stc |
||
208 | .ok: |
||
209 | ret |
||
210 | |||
182 | serge | 211 | close: |
332 | diamond | 212 | or dword [ebx], -1 |
213 | ret |
||
182 | serge | 214 | |
215 | |||
31 | halyavin | 216 | ; ebx file handle |
217 | ; ecx count of bytes to write |
||
218 | ; edx pointer to buffer |
||
219 | write: |
||
182 | serge | 220 | ; pusha |
221 | ; mov [file_info_write+8],ecx |
||
222 | ; mov [file_info_write+12],edx |
||
223 | ; mov [filesize],edx |
||
224 | ; mov eax,58 |
||
225 | ; mov ebx,file_info_write |
||
485 | heavyiron | 226 | ; mcall |
182 | serge | 227 | ; popa |
228 | ; ret |
||
31 | halyavin | 229 | |
332 | diamond | 230 | mov [ebx+12], ecx |
231 | mov [ebx+16], edx |
||
232 | push ebx |
||
233 | mov eax, 70 |
||
485 | heavyiron | 234 | mcall |
332 | diamond | 235 | xchg eax, [esp] |
236 | add [eax+4], ebx |
||
237 | adc [eax+8], dword 0 |
||
238 | mov ebx, eax |
||
239 | pop eax |
||
240 | mov byte [ebx], 3 |
||
241 | cmp eax, 1 |
||
242 | cmc |
||
243 | ret |
||
182 | serge | 244 | |
31 | halyavin | 245 | make_fullpaths: |
246 | pusha |
||
247 | push edx |
||
248 | |||
249 | mov esi,path ; open |
||
250 | ; DEBUGF " '%s'",esi |
||
251 | mov edi,fullpath_open |
||
252 | cld |
||
253 | newc1: |
||
254 | movsb |
||
255 | cmp byte[esi],0;' ' |
||
256 | jne newc1 |
||
257 | mov esi,[esp] |
||
258 | |||
259 | cmp byte[esi],'/' |
||
260 | jne @f |
||
261 | mov edi,fullpath_open |
||
262 | |||
263 | @@: |
||
264 | lodsb |
||
265 | stosb |
||
266 | cmp al,0 |
||
267 | jne @b |
||
268 | ; mov ecx,12 |
||
269 | ; cld |
||
270 | ; rep movsb |
||
271 | ; mov byte[edi],0 |
||
272 | |||
273 | mov esi,path ; write |
||
274 | mov edi,fullpath_write |
||
275 | cld |
||
276 | newc2: |
||
277 | movsb |
||
278 | cmp byte[esi],0;' ' |
||
279 | jne newc2 |
||
280 | mov esi,[esp] |
||
281 | |||
282 | cmp byte[esi],'/' |
||
283 | jne @f |
||
284 | mov edi,fullpath_write |
||
285 | |||
286 | @@: |
||
287 | lodsb |
||
288 | stosb |
||
289 | cmp al,0 |
||
290 | jne @b |
||
291 | ; mov ecx,12 |
||
292 | ; cld |
||
293 | ; rep movsb |
||
294 | ; mov byte[edi],0 |
||
295 | |||
296 | mov esi,path ; start |
||
297 | mov edi,fullpath_start |
||
298 | cld |
||
299 | newc3: |
||
300 | movsb |
||
301 | cmp byte[esi],0;' ' |
||
302 | jne newc3 |
||
303 | ; mov esi,[esp] |
||
304 | pop esi |
||
305 | |||
306 | cmp byte[esi],'/' |
||
307 | jne @f |
||
308 | mov edi,fullpath_start |
||
309 | |||
310 | @@: |
||
311 | lodsb |
||
312 | stosb |
||
313 | cmp al,0 |
||
314 | jne @b |
||
315 | ; mov ecx,12 |
||
316 | ; cld |
||
317 | ; rep movsb |
||
318 | ; mov byte[edi],0 |
||
319 | |||
320 | ; add esp,4 |
||
321 | popa |
||
322 | ret |
||
323 | |||
324 | |||
325 | |||
326 | lseek: |
||
327 | cmp al,0 |
||
328 | jnz @f |
||
332 | diamond | 329 | and dword [ebx+4], 0 |
330 | and dword [ebx+8], 0 |
||
31 | halyavin | 331 | @@: cmp al,2 |
332 | jnz @f |
||
332 | diamond | 333 | mov eax, [ebx-4] |
334 | mov [ebx+4], eax |
||
335 | and dword [ebx+8], 0 |
||
336 | @@: add dword [ebx+4], edx |
||
337 | adc dword [ebx+8], 0 |
||
31 | halyavin | 338 | ret |
339 | |||
340 | display_character: |
||
341 | pusha |
||
342 | cmp [_mode],NORMAL_MODE |
||
343 | jne @f |
||
344 | cmp dl,13 |
||
345 | jz dc2 |
||
346 | cmp dl,0xa |
||
347 | jnz dc1 |
||
348 | and [textxy],0x0000FFFF |
||
370 | heavyiron | 349 | add [textxy], 7 shl 16 +53 and 0xFFFF0000 + 10 |
182 | serge | 350 | dc2: |
174 | heavyiron | 351 | popa |
31 | halyavin | 352 | ret |
182 | serge | 353 | dc1: |
174 | heavyiron | 354 | mov eax,[textxy] |
31 | halyavin | 355 | cmp ax,word[bottom_right] |
356 | ja dc2 |
||
357 | shr eax,16 |
||
358 | cmp ax,word[bottom_right+2] |
||
359 | ja dc2 |
||
360 | mov [dc],dl |
||
361 | mcall 4,[textxy],[sc.work_text],dc,1 |
||
362 | add [textxy],0x00060000 |
||
363 | popa |
||
364 | ret |
||
174 | heavyiron | 365 | @@: |
366 | mov eax,63 |
||
31 | halyavin | 367 | mov ebx,1 |
368 | mov cl,dl |
||
485 | heavyiron | 369 | mcall |
31 | halyavin | 370 | popa |
371 | ret |
||
372 | |||
373 | |||
374 | display_string: |
||
375 | pusha |
||
182 | serge | 376 | @@: |
174 | heavyiron | 377 | cmp byte[esi],0 |
31 | halyavin | 378 | je @f |
379 | mov dl,[esi] |
||
380 | call display_character |
||
381 | add esi,1 |
||
382 | jmp @b |
||
174 | heavyiron | 383 | @@: |
384 | popa |
||
31 | halyavin | 385 | ret |
386 | |||
387 | display_number: |
||
388 | push ebx |
||
389 | mov ecx,1000000000 |
||
390 | xor edx,edx |
||
391 | xor bl,bl |
||
174 | heavyiron | 392 | display_loop: |
31 | halyavin | 393 | div ecx |
394 | push edx |
||
395 | cmp ecx,1 |
||
396 | je display_digit |
||
397 | or bl,bl |
||
398 | jnz display_digit |
||
399 | or al,al |
||
400 | jz digit_ok |
||
401 | not bl |
||
174 | heavyiron | 402 | display_digit: |
31 | halyavin | 403 | mov dl,al |
404 | add dl,30h |
||
405 | push ebx ecx |
||
406 | call display_character |
||
407 | pop ecx ebx |
||
174 | heavyiron | 408 | digit_ok: |
31 | halyavin | 409 | mov eax,ecx |
410 | xor edx,edx |
||
411 | mov ecx,10 |
||
412 | div ecx |
||
413 | mov ecx,eax |
||
414 | pop eax |
||
415 | or ecx,ecx |
||
416 | jnz display_loop |
||
417 | pop ebx |
||
418 | ret |
||
419 | |||
420 | display_user_messages: |
||
421 | ; push [skinh] |
||
422 | ; pop [textxy] |
||
370 | heavyiron | 423 | ; add [textxy], 7 shl 16 +53 |
31 | halyavin | 424 | mov [displayed_count],0 |
425 | call flush_display_buffer |
||
426 | cmp [displayed_count],1 |
||
427 | jb line_break_ok |
||
428 | je make_line_break |
||
429 | mov ax,word[last_displayed] |
||
430 | cmp ax,0A0Dh |
||
431 | je line_break_ok |
||
432 | cmp ax,0D0Ah |
||
433 | je line_break_ok |
||
174 | heavyiron | 434 | make_line_break: |
31 | halyavin | 435 | mov esi,lf |
436 | call display_string |
||
174 | heavyiron | 437 | line_break_ok: |
31 | halyavin | 438 | ret |
439 | |||
440 | display_block: |
||
441 | pusha |
||
174 | heavyiron | 442 | @@: mov dl,[esi] |
31 | halyavin | 443 | call display_character |
444 | inc esi |
||
445 | loop @b |
||
446 | popa |
||
447 | ret |
||
448 | |||
449 | fatal_error: |
||
450 | mov esi,error_prefix |
||
451 | call display_string |
||
452 | pop esi |
||
453 | call display_string |
||
454 | mov esi,error_suffix |
||
455 | call display_string |
||
456 | mov esi,lf |
||
457 | call display_string |
||
458 | mov al,0FFh |
||
459 | jmp exit_program |
||
460 | |||
461 | assembler_error: |
||
462 | call display_user_messages |
||
463 | push dword 0 |
||
464 | mov ebx,[current_line] |
||
174 | heavyiron | 465 | get_error_lines: |
31 | halyavin | 466 | push ebx |
467 | test byte [ebx+7],80h |
||
468 | jz display_error_line |
||
469 | mov edx,ebx |
||
174 | heavyiron | 470 | find_definition_origin: |
31 | halyavin | 471 | mov edx,[edx+12] |
472 | test byte [edx+7],80h |
||
473 | jnz find_definition_origin |
||
474 | push edx |
||
475 | mov ebx,[ebx+8] |
||
476 | jmp get_error_lines |
||
174 | heavyiron | 477 | display_error_line: |
31 | halyavin | 478 | mov esi,[ebx] |
479 | call display_string |
||
480 | mov esi,line_number_start |
||
481 | call display_string |
||
482 | mov eax,[ebx+4] |
||
483 | and eax,7FFFFFFFh |
||
484 | call display_number |
||
485 | mov dl,']' |
||
486 | call display_character |
||
487 | pop esi |
||
488 | cmp ebx,esi |
||
489 | je line_number_ok |
||
490 | mov dl,20h |
||
491 | call display_character |
||
492 | push esi |
||
493 | mov esi,[esi] |
||
494 | movzx ecx,byte [esi] |
||
495 | inc esi |
||
496 | call display_block |
||
497 | mov esi,line_number_start |
||
498 | call display_string |
||
499 | pop esi |
||
500 | mov eax,[esi+4] |
||
501 | and eax,7FFFFFFFh |
||
502 | call display_number |
||
503 | mov dl,']' |
||
504 | call display_character |
||
174 | heavyiron | 505 | line_number_ok: |
31 | halyavin | 506 | mov esi,line_data_start |
507 | call display_string |
||
508 | mov esi,ebx |
||
509 | mov edx,[esi] |
||
510 | call open |
||
511 | mov al,2 |
||
512 | xor edx,edx |
||
513 | call lseek |
||
514 | mov edx,[esi+8] |
||
515 | sub eax,edx |
||
516 | push eax |
||
517 | xor al,al |
||
518 | call lseek |
||
519 | mov ecx,[esp] |
||
520 | mov edx,[additional_memory] |
||
521 | lea eax,[edx+ecx] |
||
522 | cmp eax,[additional_memory_end] |
||
523 | ja out_of_memory |
||
524 | call read |
||
525 | call close |
||
526 | pop ecx |
||
527 | mov esi,[additional_memory] |
||
174 | heavyiron | 528 | get_line_data: |
31 | halyavin | 529 | mov al,[esi] |
530 | cmp al,0Ah |
||
531 | je display_line_data |
||
532 | cmp al,0Dh |
||
533 | je display_line_data |
||
534 | cmp al,1Ah |
||
535 | je display_line_data |
||
536 | or al,al |
||
537 | jz display_line_data |
||
538 | inc esi |
||
539 | loop get_line_data |
||
174 | heavyiron | 540 | display_line_data: |
31 | halyavin | 541 | mov ecx,esi |
542 | mov esi,[additional_memory] |
||
543 | sub ecx,esi |
||
544 | call display_block |
||
545 | mov esi,cr_lf |
||
546 | call display_string |
||
547 | pop ebx |
||
548 | or ebx,ebx |
||
549 | jnz display_error_line |
||
550 | mov esi,error_prefix |
||
551 | call display_string |
||
552 | pop esi |
||
553 | call display_string |
||
554 | mov esi,error_suffix |
||
555 | call display_string |
||
556 | jmp exit_program |
||
557 | |||
182 | serge | 558 | align 4 |
559 | fileinfo FILEINFO |
||
31 | halyavin | 560 | |
561 | character db ?,0 |
||
562 | bytes_count dd ? |
||
563 | |||
564 | textxy dd 0x000500A0 |
||
565 | dc db 0x0 |
||
566 | filesize dd 0x0 |
||
567 | |||
568 | displayed_count dd ? |
||
569 | last_displayed rb 2 |
||
570 | |||
571 | error_prefix db 'error: ',0 |
||
572 | error_suffix db '.',0 |
||
573 | line_data_start db ':' |
||
574 | cr_lf db 0Dh,0Ah,0 |
||
575 | line_number_start db ' [',0 |
||
576 | |||
174 | heavyiron | 577 | macro dm string { db string,0 } |