Rev 3588 | Rev 3795 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
2455 | mario79 | 3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
2288 | clevermous | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
||
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
7 | |||
8 | $Revision: 3591 $ |
||
9 | |||
10 | struc VBE_VGAInfo { |
||
11 | .VESASignature dd ? ; char |
||
12 | .VESAVersion dw ? ; short |
||
13 | .OemStringPtr dd ? ; char * |
||
14 | .Capabilities dd ? ; ulong |
||
15 | .VideoModePtr dd ? ; ulong |
||
16 | .TotalMemory dw ? ; short |
||
17 | ; VBE 2.0+ |
||
18 | .OemSoftwareRev db ? ; short |
||
19 | .OemVendorNamePtr dw ? ; char * |
||
20 | .OemProductNamePtr dw ? ; char * |
||
21 | .OemProductRevPtr dw ? ; char * |
||
22 | .reserved rb 222 ; char |
||
23 | .OemData rb 256 ; char |
||
24 | } |
||
25 | |||
26 | struc VBE_ModeInfo { |
||
27 | .ModeAttributes dw ? ; short |
||
28 | .WinAAttributes db ? ; char |
||
29 | .WinBAttributes db ? ; char |
||
30 | .WinGranularity dw ? ; short |
||
31 | .WinSize dw ? ; short |
||
32 | .WinASegment dw ? ; ushort |
||
33 | .WinBSegment dw ? ; ushort |
||
34 | .WinFuncPtr dd ? ; void * |
||
35 | .BytesPerScanLine dw ? ; short |
||
36 | .XRes dw ? ; short |
||
37 | .YRes dw ? ; short |
||
38 | .XCharSize db ? ; char |
||
39 | .YCharSize db ? ; char |
||
40 | .NumberOfPlanes db ? ; char |
||
41 | .BitsPerPixel db ? ; char |
||
42 | .NumberOfBanks db ? ; char |
||
43 | .MemoryModel db ? ; char |
||
44 | .BankSize db ? ; char |
||
45 | .NumberOfImagePages db ? ; char |
||
46 | .res1 db ? ; char |
||
47 | .RedMaskSize db ? ; char |
||
48 | .RedFieldPosition db ? ; char |
||
49 | .GreenMaskSize db ? ; char |
||
50 | .GreenFieldPosition db ? ; char |
||
51 | .BlueMaskSize db ? ; char |
||
52 | .BlueFieldPosition db ? ; char |
||
53 | .RsvedMaskSize db ? ; char |
||
54 | .RsvedFieldPosition db ? ; char |
||
55 | .DirectColorModeInfo db ? ; char ; MISSED IN THIS TUTORIAL!! SEE ABOVE |
||
56 | ; VBE 2.0+ |
||
57 | .PhysBasePtr dd ? ; ulong |
||
58 | .OffScreenMemOffset dd ? ; ulong |
||
59 | .OffScreenMemSize dw ? ; short |
||
60 | ; VBE 3.0+ |
||
61 | .LinbytesPerScanLine dw ? ; short |
||
62 | .BankNumberOfImagePages db ? ; char |
||
63 | .LinNumberOfImagePages db ? ; char |
||
64 | .LinRedMaskSize db ? ; char |
||
65 | .LinRedFieldPosition db ? ; char |
||
66 | .LingreenMaskSize db ? ; char |
||
67 | .LinGreenFieldPosition db ? ; char |
||
68 | .LinBlueMaskSize db ? ; char |
||
69 | .LinBlueFieldPosition db ? ; char |
||
70 | .LinRsvdMaskSize db ? ; char |
||
71 | .LinRsvdFieldPosition db ? ; char |
||
72 | .MaxPixelClock dd ? ; ulong |
||
73 | .res2 rb 190 ; char |
||
74 | } |
||
75 | |||
76 | virtual at $A000 |
||
77 | vi VBE_VGAInfo |
||
78 | mi VBE_ModeInfo |
||
79 | modes_table: |
||
80 | end virtual |
||
3539 | clevermous | 81 | cursor_pos dw 0 ;временное хранение курсора. |
2288 | clevermous | 82 | home_cursor dw 0 ;current shows rows a table |
83 | end_cursor dw 0 ;end of position current shows rows a table |
||
84 | scroll_start dw 0 ;start position of scroll bar |
||
85 | scroll_end dw 0 ;end position of scroll bar |
||
86 | long_v_table equ 9 ;long of visible video table |
||
87 | size_of_step equ 10 |
||
88 | scroll_area_size equ (long_v_table-2) |
||
89 | int2str: |
||
90 | dec bl |
||
91 | jz @f |
||
92 | xor edx, edx |
||
93 | div ecx |
||
94 | push edx |
||
95 | call int2str |
||
96 | pop eax |
||
97 | @@: |
||
98 | or al, 0x30 |
||
99 | mov [ds:di], al |
||
100 | inc di |
||
101 | ret |
||
102 | |||
103 | int2strnz: |
||
104 | cmp eax, ecx |
||
105 | jb @f |
||
106 | xor edx, edx |
||
107 | div ecx |
||
108 | push edx |
||
109 | call int2strnz |
||
110 | pop eax |
||
111 | @@: |
||
112 | or al, 0x30 |
||
113 | mov [es:di], al |
||
114 | inc di |
||
115 | ret |
||
116 | |||
117 | ;------------------------------------------------------- |
||
118 | ;Write message about incorrect v_mode and write message about jmp on swith v_mode |
||
119 | v_mode_error: |
||
120 | _setcursor 19,2 |
||
121 | mov si, fatalsel |
||
122 | call printplain |
||
123 | _setcursor 20,2 |
||
124 | mov si, pres_key |
||
125 | call printplain |
||
126 | xor eax, eax |
||
127 | int 16h |
||
128 | jmp cfgmanager.d |
||
129 | ;------------------------------------------------------- |
||
130 | ; |
||
131 | |||
132 | |||
133 | |||
134 | ;------------------------------------------------------- |
||
135 | print_vesa_info: |
||
136 | _setcursor 5,2 |
||
137 | |||
138 | mov [es:vi.VESASignature], 'VBE2' |
||
139 | mov ax, 0x4F00 |
||
140 | mov di, vi ;0xa000 |
||
141 | int 0x10 |
||
142 | or ah, ah |
||
143 | jz @f |
||
144 | mov [es:vi.VESASignature], 'VESA' |
||
145 | mov ax, $4F00 |
||
146 | mov di, vi |
||
147 | int 0x10 |
||
148 | or ah, ah |
||
149 | jnz .exit |
||
150 | @@: |
||
151 | cmp [es:vi.VESASignature], 'VESA' |
||
152 | jne .exit |
||
153 | cmp [es:vi.VESAVersion], 0x0100 |
||
154 | jb .exit |
||
155 | jmp .vesaok2 |
||
156 | |||
157 | .exit: |
||
158 | mov si, novesa |
||
159 | call printplain |
||
160 | ret |
||
161 | |||
162 | .vesaok2: |
||
163 | mov ax, [es:vi.VESAVersion] |
||
164 | add ax, '00' |
||
165 | |||
166 | mov [s_vesa.ver], ah |
||
167 | mov [s_vesa.ver+2], al |
||
168 | mov si, s_vesa |
||
169 | call printplain |
||
170 | |||
171 | _setcursor 4,2 |
||
172 | mov si, word[es:vi.OemStringPtr] |
||
173 | mov di, si |
||
174 | |||
175 | push ds |
||
176 | mov ds, word[es:vi.OemStringPtr+2] |
||
177 | call printplain |
||
178 | pop ds |
||
179 | |||
180 | ret |
||
181 | ;----------------------------------------------------------------------------- |
||
182 | |||
183 | calc_vmodes_table: |
||
184 | pushad |
||
185 | |||
186 | ; push 0 |
||
187 | ; pop es |
||
188 | |||
189 | lfs si, [es:vi.VideoModePtr] |
||
190 | |||
191 | mov bx, modes_table |
||
3539 | clevermous | 192 | ;save no vesa mode of work 320x200, EGA/CGA 256 梥⮢ and 640x480, VGA 16 梥⮢ |
2288 | clevermous | 193 | mov word [es:bx], 640 |
194 | mov word [es:bx+2], 480 |
||
195 | mov word [es:bx+6], 0x13 |
||
196 | |||
197 | mov word [es:bx+10], 640 |
||
198 | mov word [es:bx+12], 480 |
||
199 | mov word [es:bx+16], 0x12 |
||
200 | add bx, 20 |
||
201 | .next_mode: |
||
202 | mov cx, word [fs:si]; mode number |
||
203 | cmp cx, -1 |
||
204 | je .modes_ok.2 |
||
205 | |||
206 | mov ax, 0x4F01 |
||
207 | mov di, mi |
||
208 | int 0x10 |
||
209 | |||
210 | or ah, ah |
||
211 | jnz .modes_ok.2;vesa_info.exit |
||
212 | |||
213 | test [es:mi.ModeAttributes], 00000001b ;videomode support ? |
||
214 | jz @f |
||
215 | test [es:mi.ModeAttributes], 00010000b ;picture ? |
||
216 | jz @f |
||
217 | test [es:mi.ModeAttributes], 10000000b ;LFB ? |
||
218 | jz @f |
||
219 | |||
3591 | Serge | 220 | cmp [es:mi.BitsPerPixel], 24 ;It show only videomodes to have support 24 and 32 bpp |
2288 | clevermous | 221 | jb @f |
222 | |||
223 | ; cmp [es:mi.BitsPerPixel],16 |
||
224 | ; jne .l0 |
||
225 | ; cmp [es:mi.GreenMaskSize],5 |
||
226 | ; jne .l0 |
||
227 | ; mov [es:mi.BitsPerPixel],15 |
||
228 | |||
229 | |||
230 | .l0: |
||
231 | cmp [es:mi.XRes], 640 |
||
232 | jb @f |
||
233 | cmp [es:mi.YRes], 480 |
||
234 | jb @f |
||
235 | ; cmp [es:mi.BitsPerPixel],8 |
||
236 | ; jb @f |
||
237 | |||
238 | mov ax, [es:mi.XRes] |
||
239 | mov [es:bx+0], ax ; +0[2] : resolution X |
||
240 | mov ax, [es:mi.YRes] |
||
241 | mov [es:bx+2], ax ; +2[2] : resolution Y |
||
242 | mov ax, [es:mi.ModeAttributes] |
||
243 | mov [es:bx+4], ax ; +4[2] : attributes |
||
244 | |||
245 | cmp [s_vesa.ver], '2' |
||
2407 | mario79 | 246 | ; jb .lp1 |
247 | jb @f ; We do not use Vesa 1.2 mode is now |
||
2288 | clevermous | 248 | |
249 | or cx, 0x4000 ; use LFB |
||
250 | .lp1: |
||
251 | mov [es:bx+6], cx ; +6 : mode number |
||
252 | movzx ax, byte [es:mi.BitsPerPixel] |
||
253 | mov word [es:bx+8], ax ; +8 : bits per pixel |
||
3591 | Serge | 254 | add bx, size_of_step ; size of record |
2288 | clevermous | 255 | |
256 | @@: |
||
257 | add si, 2 |
||
258 | jmp .next_mode |
||
259 | |||
260 | .modes_ok.2: |
||
261 | |||
262 | mov word[es:bx], -1 ;end video table |
||
263 | mov word[end_cursor], bx ;save end cursor position |
||
264 | ;;;;;;;;;;;;;;;;;; |
||
265 | ;Sort array |
||
266 | ; mov si,modes_table |
||
267 | ;.new_mode: |
||
268 | ; mov ax,word [es:si] |
||
269 | ; cmp ax,-1 |
||
270 | ; je .exxit |
||
271 | ; add ax,word [es:si+2] |
||
272 | ; add ax,word [es:si+8] |
||
273 | ; mov bp,si |
||
274 | ;.again: |
||
275 | ; add bp,12 |
||
276 | ; mov bx,word [es:bp] |
||
277 | ; cmp bx,-1 |
||
278 | ; je .exit |
||
279 | ; add bx,word [es:bp+2] |
||
280 | ; add bx,word [es:bp+8] |
||
3591 | Serge | 281 | ; |
2288 | clevermous | 282 | ; cmp ax,bx |
283 | ; ja .loops |
||
284 | ; jmp .again |
||
3591 | Serge | 285 | ;.loops: |
2288 | clevermous | 286 | ; push dword [es:si] |
287 | ; push dword [es:si+4] |
||
288 | ; push dword [es:si+8] |
||
289 | ; push dword [es:bp] |
||
290 | ; push dword [es:bp+4] |
||
291 | ; push dword [es:bp+8] |
||
292 | ; |
||
293 | ; pop dword [es:si+8] |
||
294 | ; pop dword [es:si+4] |
||
295 | ; pop dword [es:si] |
||
296 | ; pop dword [es:bp+8] |
||
297 | ; pop dword [es:bp+4] |
||
298 | ; pop dword [es:bp] |
||
299 | ; jmp .new_mode |
||
300 | ; |
||
301 | ;.exit: add si,12 |
||
302 | ; jmp .new_mode |
||
303 | ;.exxit: |
||
304 | popad |
||
305 | ret |
||
306 | |||
307 | ;----------------------------------------------------------------------------- |
||
308 | |||
309 | draw_current_vmode: |
||
310 | push 0 |
||
311 | pop es |
||
312 | |||
313 | mov si, word [cursor_pos] |
||
314 | |||
315 | cmp word [es:si+6], 0x12 |
||
316 | je .no_vesa_0x12 |
||
317 | |||
318 | cmp word [es:si+6], 0x13 |
||
319 | je .no_vesa_0x13 |
||
320 | |||
321 | if defined extended_primary_loader |
||
322 | mov di, config_file_variables |
||
323 | else |
||
324 | mov di, loader_block_error |
||
325 | end if |
||
326 | movzx eax, word[es:si+0] |
||
327 | mov ecx, 10 |
||
328 | call int2strnz |
||
329 | mov byte[es:di], 'x' |
||
330 | inc di |
||
331 | movzx eax, word[es:si+2] |
||
332 | call int2strnz |
||
333 | mov byte[es:di], 'x' |
||
334 | inc di |
||
335 | movzx eax, word[es:si+8] |
||
336 | call int2strnz |
||
337 | mov dword[es:di], 0x00000d0a |
||
338 | if defined extended_primary_loader |
||
339 | mov si, config_file_variables |
||
340 | else |
||
341 | mov si, loader_block_error |
||
342 | end if |
||
343 | push ds |
||
344 | push es |
||
345 | pop ds |
||
346 | call printplain |
||
347 | pop ds |
||
348 | ret |
||
349 | .no_vesa_0x13: |
||
350 | mov si, mode0 |
||
351 | jmp .print |
||
352 | .no_vesa_0x12: |
||
353 | mov si, mode9 |
||
354 | .print: |
||
355 | call printplain |
||
356 | ret |
||
357 | ;----------------------------------------------------------------------------- |
||
358 | check_first_parm: |
||
359 | if defined extended_primary_loader |
||
360 | mov cx, [number_vm] |
||
361 | jcxz .novbemode |
||
362 | mov si, modes_table |
||
363 | .findvbemode: |
||
364 | cmp [es:si+6], cx |
||
365 | jnz @f |
||
366 | cmp word [es:si+8], 32 |
||
367 | je .ok_found_mode |
||
368 | cmp word [es:si+8], 24 |
||
369 | je .ok_found_mode |
||
370 | @@: |
||
371 | add si, size_of_step |
||
372 | cmp word [es:si], -1 |
||
373 | jnz .findvbemode |
||
374 | .novbemode: |
||
375 | mov ax, [x_save] |
||
376 | test ax, ax |
||
377 | jz .zerro |
||
378 | mov bx, [y_save] |
||
379 | mov si, modes_table |
||
380 | call .loops |
||
381 | test ax, ax |
||
382 | jz .ok_found_mode |
||
383 | else |
||
384 | mov si, word [preboot_graph] |
||
385 | test si, si |
||
386 | jnz .no_zero ;if no zero |
||
387 | end if |
||
388 | .zerro: |
||
389 | ; mov ax,modes_table |
||
390 | ; mov word [cursor_pos],ax |
||
391 | ; mov word [home_cursor],ax |
||
392 | ; mov word [preboot_graph],ax |
||
393 | ;SET default video of mode first probe will fined a move of work 1024x768@32 |
||
394 | |||
395 | mov ax, 1024 |
||
396 | mov bx, 768 |
||
397 | mov si, modes_table |
||
398 | call .loops |
||
399 | test ax, ax |
||
400 | jz .ok_found_mode |
||
401 | mov ax, 800 |
||
402 | mov bx, 600 |
||
403 | mov si, modes_table |
||
404 | call .loops |
||
405 | test ax, ax |
||
406 | jz .ok_found_mode |
||
407 | mov ax, 640 |
||
408 | mov bx, 480 |
||
409 | mov si, modes_table |
||
410 | call .loops |
||
411 | test ax, ax |
||
412 | jz .ok_found_mode |
||
413 | |||
414 | mov si, modes_table |
||
415 | if ~ defined extended_primary_loader |
||
416 | jmp .ok_found_mode |
||
417 | |||
418 | |||
419 | |||
420 | .no_zero: |
||
421 | mov bp, word [number_vm] |
||
422 | cmp bp, word [es:si+6] |
||
423 | jz .ok_found_mode |
||
424 | mov ax, word [x_save] |
||
425 | mov bx, word [y_save] |
||
426 | mov si, modes_table |
||
427 | call .loops |
||
428 | test ax, ax |
||
429 | jz .ok_found_mode |
||
430 | |||
431 | mov si, modes_table |
||
432 | ; cmp ax,modes_table |
||
433 | ; jb .zerro ;check on correct if bellow |
||
434 | ; cmp ax,word [end_cursor] |
||
435 | ; ja .zerro ;check on correct if anymore |
||
436 | end if |
||
437 | |||
438 | .ok_found_mode: |
||
439 | mov word [home_cursor], si |
||
440 | ; mov word [cursor_pos],si |
||
441 | mov word [preboot_graph], si |
||
442 | mov ax, si |
||
443 | |||
444 | mov ecx, long_v_table |
||
445 | |||
446 | .loop: |
||
447 | add ax, size_of_step |
||
448 | cmp ax, word [end_cursor] |
||
449 | jae .next_step |
||
450 | loop .loop |
||
451 | .next_step: |
||
452 | sub ax, size_of_step*long_v_table |
||
453 | cmp ax, modes_table |
||
454 | jae @f |
||
455 | mov ax, modes_table |
||
456 | @@: |
||
457 | |||
458 | mov word [home_cursor], ax |
||
459 | mov si, [preboot_graph] |
||
460 | mov word [cursor_pos], si |
||
461 | |||
462 | push word [es:si] |
||
463 | pop word [x_save] |
||
464 | push word [es:si+2] |
||
465 | pop word [y_save] |
||
466 | push word [es:si+6] |
||
467 | pop word [number_vm] |
||
468 | |||
469 | ret |
||
470 | ;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
471 | .loops: |
||
472 | cmp ax, word [es:si] |
||
473 | jne .next |
||
474 | cmp bx, word [es:si+2] |
||
475 | jne .next |
||
476 | cmp word [es:si+8], 32 |
||
477 | je .ok |
||
478 | cmp word [es:si+8], 24 |
||
479 | je .ok |
||
480 | .next: |
||
481 | add si, size_of_step |
||
482 | cmp word [es:si], -1 |
||
483 | je .exit |
||
484 | jmp .loops |
||
485 | .ok: |
||
486 | xor ax, ax |
||
487 | ret |
||
488 | .exit: |
||
489 | or ax, -1 |
||
490 | ret |
||
491 | |||
492 | |||
493 | ;----------------------------------------------------------------------------- |
||
494 | |||
495 | ;default_vmode: |
||
3591 | Serge | 496 | |
2288 | clevermous | 497 | ;----------------------------------------------------------------------------- |
498 | draw_vmodes_table: |
||
499 | _setcursor 9, 2 |
||
500 | mov si, gr_mode |
||
501 | call printplain |
||
502 | |||
503 | mov si, _st |
||
504 | call printplain |
||
505 | |||
506 | push word [cursor_pos] |
||
507 | pop ax |
||
508 | push word [home_cursor] |
||
509 | pop si |
||
510 | mov cx, si |
||
511 | |||
512 | cmp ax, si |
||
513 | je .ok |
||
514 | jb .low |
||
515 | |||
516 | |||
517 | add cx, size_of_step*long_v_table |
||
3591 | Serge | 518 | |
2288 | clevermous | 519 | cmp ax, cx |
520 | jb .ok |
||
3591 | Serge | 521 | |
2288 | clevermous | 522 | sub cx, size_of_step*long_v_table |
523 | add cx, size_of_step |
||
524 | cmp cx, word[end_cursor] |
||
525 | jae .ok |
||
526 | add si, size_of_step |
||
527 | push si |
||
528 | pop word [home_cursor] |
||
529 | jmp .ok |
||
530 | |||
531 | |||
532 | .low: |
||
533 | sub cx, size_of_step |
||
534 | cmp cx, modes_table |
||
535 | jb .ok |
||
536 | push cx |
||
537 | push cx |
||
538 | pop word [home_cursor] |
||
539 | pop si |
||
540 | |||
541 | |||
542 | .ok: |
||
543 | ; calculate scroll position |
||
544 | push si |
||
545 | mov ax, [end_cursor] |
||
546 | sub ax, modes_table |
||
547 | mov bx, size_of_step |
||
548 | cwd |
||
549 | div bx |
||
550 | mov si, ax ; si = size of list |
||
551 | mov ax, [home_cursor] |
||
552 | sub ax, modes_table |
||
553 | cwd |
||
554 | div bx |
||
555 | mov di, ax |
||
556 | mov ax, scroll_area_size*long_v_table |
||
557 | cwd |
||
558 | div si |
||
559 | test ax, ax |
||
560 | jnz @f |
||
561 | inc ax |
||
562 | @@: |
||
563 | cmp al, scroll_area_size |
||
564 | jb @f |
||
565 | mov al, scroll_area_size |
||
566 | @@: |
||
567 | mov cx, ax |
||
568 | ; cx = scroll height |
||
569 | ; calculate scroll pos |
||
570 | xor bx, bx ; initialize scroll pos |
||
571 | sub al, scroll_area_size+1 |
||
572 | neg al |
||
573 | sub si, long_v_table-1 |
||
574 | jbe @f |
||
575 | mul di |
||
576 | div si |
||
577 | mov bx, ax |
||
578 | @@: |
||
579 | inc bx |
||
580 | imul ax, bx, size_of_step |
||
581 | add ax, [home_cursor] |
||
582 | mov [scroll_start], ax |
||
583 | imul cx, size_of_step |
||
584 | add ax, cx |
||
585 | mov [scroll_end], ax |
||
586 | pop si |
||
587 | mov bp, long_v_table ;show rows |
||
588 | .@@_next_bit: |
||
589 | ;clear cursor |
||
590 | mov ax, ' ' |
||
591 | mov word[ds:_r1+21], ax |
||
592 | mov word[ds:_r1+50], ax |
||
593 | |||
594 | mov word[ds:_r2+21], ax |
||
595 | mov word[ds:_r2+45], ax |
||
596 | |||
597 | mov word[ds:_rs+21], ax |
||
598 | mov word[ds:_rs+46], ax |
||
599 | ; draw string |
||
600 | cmp word [es:si+6], 0x12 |
||
601 | je .show_0x12 |
||
602 | cmp word [es:si+6], 0x13 |
||
603 | je .show_0x13 |
||
604 | |||
605 | movzx eax, word[es:si] |
||
606 | cmp ax, -1 |
||
607 | je .@@_end |
||
608 | mov di, _rs+23 |
||
609 | mov ecx, 10 |
||
610 | mov bl, 4 |
||
611 | call int2str |
||
612 | movzx eax, word[es:si+2] |
||
613 | inc di |
||
614 | mov bl, 4 |
||
615 | call int2str |
||
616 | |||
617 | movzx eax, word[es:si+8] |
||
618 | inc di |
||
619 | mov bl, 2 |
||
620 | call int2str |
||
621 | |||
622 | cmp si, word [cursor_pos] |
||
623 | jne .next |
||
624 | ;draw cursor |
||
625 | mov word[ds:_rs+21], '>>' |
||
626 | mov word[ds:_rs+46], '<<' |
||
627 | |||
628 | |||
3591 | Serge | 629 | |
2288 | clevermous | 630 | .next: |
631 | push si |
||
632 | mov si, _rs |
||
633 | .@@_sh: |
||
634 | ; add to the string pseudographics for scrollbar |
||
635 | pop bx |
||
636 | push bx |
||
637 | mov byte [si+53], ' ' |
||
638 | cmp bx, [scroll_start] |
||
639 | jb @f |
||
640 | cmp bx, [scroll_end] |
||
641 | jae @f |
||
642 | mov byte [si+53], 0xDB ; filled bar |
||
643 | @@: |
||
644 | push bx |
||
645 | add bx, size_of_step |
||
646 | cmp bx, [end_cursor] |
||
647 | jnz @f |
||
648 | mov byte [si+53], 31 ; 'down arrow' symbol |
||
649 | @@: |
||
650 | sub bx, [home_cursor] |
||
651 | cmp bx, size_of_step*long_v_table |
||
652 | jnz @f |
||
653 | mov byte [si+53], 31 ; 'down arrow' symbol |
||
654 | @@: |
||
655 | pop bx |
||
656 | cmp bx, [home_cursor] |
||
657 | jnz @f |
||
658 | mov byte [si+53], 30 ; 'up arrow' symbol |
||
659 | @@: |
||
660 | call printplain |
||
661 | pop si |
||
662 | add si, size_of_step |
||
663 | |||
664 | dec bp |
||
665 | jnz .@@_next_bit |
||
666 | |||
667 | .@@_end: |
||
668 | mov si, _bt |
||
669 | call printplain |
||
670 | ret |
||
671 | .show_0x13: |
||
672 | push si |
||
673 | |||
674 | cmp si, word [cursor_pos] |
||
675 | jne @f |
||
676 | mov word[ds:_r1+21], '>>' |
||
677 | mov word[ds:_r1+50], '<<' |
||
678 | @@: |
||
679 | mov si, _r1 |
||
680 | jmp .@@_sh |
||
681 | .show_0x12: |
||
682 | push si |
||
683 | cmp si, word [cursor_pos] |
||
684 | jne @f |
||
685 | |||
686 | mov word[ds:_r2+21], '>>' |
||
687 | mov word[ds:_r2+45], '<<' |
||
688 | @@: |
||
689 | mov si, _r2 |
||
690 | jmp .@@_sh |
||
691 | |||
692 | ;----------------------------------------------------------------------------- |
||
693 | ;Clear arrea of current video page (0xb800) |
||
694 | clear_vmodes_table: |
||
695 | pusha |
||
696 | ; draw frames |
||
697 | push es |
||
698 | push 0xb800 |
||
699 | pop es |
||
700 | mov di, 1444 |
||
701 | xor ax, ax |
||
702 | mov ah, 1*16+15 |
||
703 | mov cx, 70 |
||
704 | mov bp, 12 |
||
705 | .loop_start: |
||
706 | rep stosw |
||
707 | mov cx, 70 |
||
708 | add di, 20 |
||
709 | dec bp |
||
710 | jns .loop_start |
||
711 | pop es |
||
712 | popa |
||
713 | ret |
||
714 | |||
715 | ;----------------------------------------------------------------------------- |
||
716 | |||
717 | set_vmode: |
||
718 | push 0 ;0;x1000 |
||
719 | pop es |
||
720 | |||
721 | mov si, word [preboot_graph] ;[preboot_graph] |
||
722 | mov cx, word [es:si+6] ; number of mode |
||
723 | |||
724 | |||
725 | mov ax, word [es:si+0] ; resolution X |
||
726 | mov bx, word [es:si+2] ; resolution Y |
||
727 | |||
728 | |||
2466 | Serge | 729 | mov word [es:BOOT_X_RES], ax ; resolution X |
730 | mov word [es:BOOT_Y_RES], bx ; resolution Y |
||
731 | mov word [es:BOOT_VESA_MODE], cx ; number of mode |
||
2288 | clevermous | 732 | |
733 | cmp cx, 0x12 |
||
734 | je .mode0x12_0x13 |
||
735 | cmp cx, 0x13 |
||
736 | je .mode0x12_0x13 |
||
737 | |||
738 | |||
2407 | mario79 | 739 | ; cmp byte [s_vesa.ver], '2' |
740 | ; jb .vesa12 |
||
2288 | clevermous | 741 | |
742 | ; VESA 2 and Vesa 3 |
||
743 | |||
744 | mov ax, 0x4f01 |
||
745 | and cx, 0xfff |
||
746 | mov di, mi;0xa000 |
||
747 | int 0x10 |
||
748 | ; LFB |
||
749 | mov eax, [es:mi.PhysBasePtr];di+0x28] |
||
2466 | Serge | 750 | mov [es:BOOT_LFB], eax |
2288 | clevermous | 751 | ; ---- vbe voodoo |
752 | BytesPerLine equ 0x10 |
||
753 | mov ax, [es:di+BytesPerLine] |
||
2466 | Serge | 754 | mov [es:BOOT_PITCH], ax |
2288 | clevermous | 755 | ; BPP |
756 | cmp [es:mi.BitsPerPixel], 16 |
||
757 | jne .l0 |
||
758 | cmp [es:mi.GreenMaskSize], 5 |
||
759 | jne .l0 |
||
760 | mov [es:mi.BitsPerPixel], 15 |
||
761 | .l0: |
||
762 | mov al, byte [es:di+0x19] |
||
2466 | Serge | 763 | mov [es:BOOT_BPP], al |
2288 | clevermous | 764 | jmp .exit |
765 | |||
766 | .mode0x12_0x13: |
||
2466 | Serge | 767 | mov byte [es:BOOT_BPP], 32 |
768 | or dword [es:BOOT_LFB], 0xFFFFFFFF; 0x800000 |
||
2288 | clevermous | 769 | |
770 | |||
771 | ; VESA 1.2 PM BANK SWITCH ADDRESS |
||
772 | |||
2407 | mario79 | 773 | ;.vesa12: |
774 | ; mov ax, 0x4f0A |
||
775 | ; xor bx, bx |
||
776 | ; int 0x10 |
||
777 | ; xor eax, eax |
||
778 | ; xor ebx, ebx |
||
779 | ; mov ax, es |
||
780 | ; shl eax, 4 |
||
781 | ; mov bx, di |
||
782 | ; add eax, ebx |
||
783 | ; movzx ebx, word[es:di] |
||
784 | ; add eax, ebx |
||
785 | ; push 0x0000 |
||
786 | ; pop es |
||
787 | ; mov [es:0x9014], eax |
||
2288 | clevermous | 788 | .exit: |
789 | ret |
||
790 | |||
791 | ;============================================================================= |
||
792 | ;============================================================================= |
||
793 | ;=============================================================================' |
||
794 |