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1 | $Revision: 465 $ |
1 | $Revision: 488 $ |
2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
3 | ;; ;; |
3 | ;; ;; |
4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
5 | ;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;; |
5 | ;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;; |
6 | ;; Distributed under terms of the GNU General Public License ;; |
6 | ;; Distributed under terms of the GNU General Public License ;; |
7 | ;; ;; |
7 | ;; ;; |
8 | ;; BOOTCODE.INC ;; |
8 | ;; BOOTCODE.INC ;; |
9 | ;; ;; |
9 | ;; ;; |
10 | ;; KolibriOS 16-bit loader, ;; |
10 | ;; KolibriOS 16-bit loader, ;; |
11 | ;; based on bootcode for MenuetOS ;; |
11 | ;; based on bootcode for MenuetOS ;; |
12 | ;; ;; |
12 | ;; ;; |
13 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
13 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
14 | 14 | ||
15 | 15 | ||
16 | 16 | ||
17 | ;========================================================================== |
17 | ;========================================================================== |
18 | ; |
18 | ; |
19 | ; 16 BIT FUNCTIONS |
19 | ; 16 BIT FUNCTIONS |
20 | ; |
20 | ; |
21 | ;========================================================================== |
21 | ;========================================================================== |
22 | 22 | ||
23 | 23 | ||
24 | putchar: |
24 | putchar: |
25 | ; in: al=character |
25 | ; in: al=character |
26 | mov ah, 0Eh |
26 | mov ah, 0Eh |
27 | mov bh, 0 |
27 | mov bh, 0 |
28 | int 10h |
28 | int 10h |
29 | ret |
29 | ret |
30 | 30 | ||
31 | print: |
31 | print: |
32 | ; in: si->string |
32 | ; in: si->string |
33 | mov al, 186 |
33 | mov al, 186 |
34 | call putchar |
34 | call putchar |
35 | mov al, ' ' |
35 | mov al, ' ' |
36 | call putchar |
36 | call putchar |
37 | 37 | ||
38 | printplain: |
38 | printplain: |
39 | ; in: si->string |
39 | ; in: si->string |
40 | pusha |
40 | pusha |
41 | lodsb |
41 | lodsb |
42 | @@: |
42 | @@: |
43 | call putchar |
43 | call putchar |
44 | lodsb |
44 | lodsb |
45 | cmp al, 0 |
45 | cmp al, 0 |
46 | jnz @b |
46 | jnz @b |
47 | popa |
47 | popa |
48 | ret |
48 | ret |
49 | 49 | ||
50 | getkey: |
50 | getkey: |
51 | ; get number in range [bl,bh] (bl,bh in ['0'..'9']) |
51 | ; get number in range [bl,bh] (bl,bh in ['0'..'9']) |
52 | ; in: bx=range |
52 | ; in: bx=range |
53 | ; out: ax=digit (1..9, 10 for 0) |
53 | ; out: ax=digit (1..9, 10 for 0) |
54 | mov ah, 0 |
54 | mov ah, 0 |
55 | int 16h |
55 | int 16h |
56 | cmp al, bl |
56 | cmp al, bl |
57 | jb getkey |
57 | jb getkey |
58 | cmp al, bh |
58 | cmp al, bh |
59 | ja getkey |
59 | ja getkey |
60 | push ax |
60 | push ax |
61 | call putchar |
61 | call putchar |
62 | pop ax |
62 | pop ax |
63 | and ax, 0Fh |
63 | and ax, 0Fh |
64 | jnz @f |
64 | jnz @f |
65 | mov al, 10 |
65 | mov al, 10 |
66 | @@: |
66 | @@: |
67 | ret |
67 | ret |
68 | 68 | ||
69 | setcursor: |
69 | setcursor: |
70 | ; in: dl=column, dh=row |
70 | ; in: dl=column, dh=row |
71 | mov ah, 2 |
71 | mov ah, 2 |
72 | mov bh, 0 |
72 | mov bh, 0 |
73 | int 10h |
73 | int 10h |
74 | ret |
74 | ret |
75 | 75 | ||
76 | macro _setcursor row,column |
76 | macro _setcursor row,column |
77 | { |
77 | { |
78 | mov dx, row*256 + column |
78 | mov dx, row*256 + column |
79 | call setcursor |
79 | call setcursor |
80 | } |
80 | } |
81 | 81 | ||
82 | boot_read_floppy: |
82 | boot_read_floppy: |
83 | push si |
83 | push si |
84 | xor si, si |
84 | xor si, si |
85 | mov ah, 2 ; read |
85 | mov ah, 2 ; read |
86 | @@: |
86 | @@: |
87 | push ax |
87 | push ax |
88 | int 0x13 |
88 | int 0x13 |
89 | pop ax |
89 | pop ax |
90 | jnc @f |
90 | jnc @f |
91 | inc si |
91 | inc si |
92 | cmp si, 10 |
92 | cmp si, 10 |
93 | jb @b |
93 | jb @b |
94 | mov si, badsect |
94 | mov si, badsect |
95 | sayerr_plain: |
95 | sayerr_plain: |
96 | call printplain |
96 | call printplain |
97 | jmp $ |
97 | jmp $ |
98 | @@: |
98 | @@: |
99 | pop si |
99 | pop si |
100 | ret |
100 | ret |
101 | 101 | ||
102 | ;========================================================================= |
102 | ;========================================================================= |
103 | ; |
103 | ; |
104 | ; 16 BIT CODE |
104 | ; 16 BIT CODE |
105 | ; |
105 | ; |
106 | ;========================================================================= |
106 | ;========================================================================= |
107 | 107 | ||
108 | 108 | ||
109 | start_of_code: |
109 | start_of_code: |
110 | cld |
110 | cld |
111 | ; \begin{diamond}[02.12.2005] |
111 | ; \begin{diamond}[02.12.2005] |
112 | cmp ax, 'KL' |
112 | cmp ax, 'KL' |
113 | jnz @f |
113 | jnz @f |
114 | mov word [cs:cfgmanager.loader_block], si |
114 | mov word [cs:cfgmanager.loader_block], si |
115 | mov word [cs:cfgmanager.loader_block+2], ds |
115 | mov word [cs:cfgmanager.loader_block+2], ds |
116 | @@: |
116 | @@: |
117 | ; \end{diamond}[02.12.2005] |
117 | ; \end{diamond}[02.12.2005] |
- | 118 | ||
- | 119 | cmp cx,'HA' ; ïî ðåãèñòðàì îïðåäåëÿåòñÿ çàãðóçêà ñ âèíòà |
|
- | 120 | jnz no_hd_load |
|
- | 121 | cmp dx,'RD' |
|
- | 122 | jnz no_hd_load |
|
- | 123 | mov word [bx_from_load], bx ; {SPraid}[13.03.2007] |
|
- | 124 | jmp load_next |
|
- | 125 | no_hd_load: |
|
- | 126 | mov word [bx_from_load], 'r1' ; if work with floppy |
|
- | 127 | load_next: |
|
118 | 128 | ||
119 | ; set up stack |
129 | ; set up stack |
120 | mov ax, 3000h |
130 | mov ax, 3000h |
121 | mov ss, ax |
131 | mov ss, ax |
122 | mov sp, 0EC00h |
132 | mov sp, 0EC00h |
123 | ; set up segment registers |
133 | ; set up segment registers |
124 | push cs |
134 | push cs |
125 | pop ds |
135 | pop ds |
126 | push cs |
136 | push cs |
127 | pop es |
137 | pop es |
128 | 138 | ||
129 | ; set videomode |
139 | ; set videomode |
130 | mov ax, 3 |
140 | mov ax, 3 |
131 | int 0x10 |
141 | int 0x10 |
132 | 142 | ||
133 | if lang eq ru |
143 | if lang eq ru |
134 | ; Load & set russian VGA font (RU.INC) |
144 | ; Load & set russian VGA font (RU.INC) |
135 | mov bp, RU_FNT1 ; RU_FNT1 - First part |
145 | mov bp, RU_FNT1 ; RU_FNT1 - First part |
136 | mov bx,1000h ; 768 bytes |
146 | mov bx,1000h ; 768 bytes |
137 | mov cx,30h ; 48 symbols |
147 | mov cx,30h ; 48 symbols |
138 | mov dx,80h ; 128 - position of first symbol |
148 | mov dx,80h ; 128 - position of first symbol |
139 | mov ax,1100h |
149 | mov ax,1100h |
140 | int 10h |
150 | int 10h |
141 | 151 | ||
142 | mov bp,RU_FNT2 ; RU_FNT2 -Second part |
152 | mov bp,RU_FNT2 ; RU_FNT2 -Second part |
143 | mov bx,1000h ; 512 bytes |
153 | mov bx,1000h ; 512 bytes |
144 | mov cx,20h ; 32 symbols |
154 | mov cx,20h ; 32 symbols |
145 | mov dx,0E0h ; 224 - position of first symbol |
155 | mov dx,0E0h ; 224 - position of first symbol |
146 | mov ax,1100h |
156 | mov ax,1100h |
147 | int 10h |
157 | int 10h |
148 | ; End set VGA russian font |
158 | ; End set VGA russian font |
149 | else if lang eq et |
159 | else if lang eq et |
150 | mov bp,ET_FNT ; ET_FNT1 |
160 | mov bp,ET_FNT ; ET_FNT1 |
151 | mov bx,1000h ; |
161 | mov bx,1000h ; |
152 | mov cx,255 ; 256 symbols |
162 | mov cx,255 ; 256 symbols |
153 | mov dx,0h ; 0 - position of first symbol |
163 | mov dx,0h ; 0 - position of first symbol |
154 | mov ax,1100h |
164 | mov ax,1100h |
155 | int 10h |
165 | int 10h |
156 | end if |
166 | end if |
157 | 167 | ||
158 | ; draw frames |
168 | ; draw frames |
159 | push 0xb800 |
169 | push 0xb800 |
160 | pop es |
170 | pop es |
161 | xor di, di |
171 | xor di, di |
162 | mov ah, 1*16+15 |
172 | mov ah, 1*16+15 |
163 | 173 | ||
164 | ; draw top |
174 | ; draw top |
165 | mov si, d80x25_top |
175 | mov si, d80x25_top |
166 | mov cx, d80x25_top_num * 80 |
176 | mov cx, d80x25_top_num * 80 |
167 | @@: |
177 | @@: |
168 | lodsb |
178 | lodsb |
169 | stosw |
179 | stosw |
170 | loop @b |
180 | loop @b |
171 | ; draw spaces |
181 | ; draw spaces |
172 | mov si, space_msg |
182 | mov si, space_msg |
173 | mov cx, 25 - d80x25_top_num - d80x25_bottom_num |
183 | mov cx, 25 - d80x25_top_num - d80x25_bottom_num |
174 | dfl1: |
184 | dfl1: |
175 | push cx |
185 | push cx |
176 | push si |
186 | push si |
177 | mov cx, 80 |
187 | mov cx, 80 |
178 | @@: |
188 | @@: |
179 | lodsb |
189 | lodsb |
180 | stosw |
190 | stosw |
181 | loop @b |
191 | loop @b |
182 | pop si |
192 | pop si |
183 | pop cx |
193 | pop cx |
184 | loop dfl1 |
194 | loop dfl1 |
185 | ; draw bottom |
195 | ; draw bottom |
186 | mov si, d80x25_bottom |
196 | mov si, d80x25_bottom |
187 | mov cx, d80x25_bottom_num * 80 |
197 | mov cx, d80x25_bottom_num * 80 |
188 | @@: |
198 | @@: |
189 | lodsb |
199 | lodsb |
190 | stosw |
200 | stosw |
191 | loop @b |
201 | loop @b |
192 | 202 | ||
193 | mov byte [space_msg+80], 0 ; now space_msg is null terminated |
203 | mov byte [space_msg+80], 0 ; now space_msg is null terminated |
194 | 204 | ||
195 | _setcursor d80x25_top_num,0 |
205 | _setcursor d80x25_top_num,0 |
196 | 206 | ||
197 | 207 | ||
198 | ; TEST FOR 386+ |
208 | ; TEST FOR 386+ |
199 | 209 | ||
200 | mov bx, 0x4000 |
210 | mov bx, 0x4000 |
201 | pushf |
211 | pushf |
202 | pop ax |
212 | pop ax |
203 | mov dx,ax |
213 | mov dx,ax |
204 | xor ax,bx |
214 | xor ax,bx |
205 | push ax |
215 | push ax |
206 | popf |
216 | popf |
207 | pushf |
217 | pushf |
208 | pop ax |
218 | pop ax |
209 | and ax,bx |
219 | and ax,bx |
210 | and dx,bx |
220 | and dx,bx |
211 | cmp ax,dx |
221 | cmp ax,dx |
212 | jnz cpugood |
222 | jnz cpugood |
213 | mov si,not386 |
223 | mov si,not386 |
214 | sayerr: |
224 | sayerr: |
215 | call print |
225 | call print |
216 | jmp $ |
226 | jmp $ |
217 | cpugood: |
227 | cpugood: |
218 | 228 | ||
219 | push 0 |
229 | push 0 |
220 | popf |
230 | popf |
221 | sti |
231 | sti |
222 | 232 | ||
223 | ; set up esp |
233 | ; set up esp |
224 | movzx esp, sp |
234 | movzx esp, sp |
225 | 235 | ||
226 | push 0 |
236 | push 0 |
227 | pop es |
237 | pop es |
228 | and word [es:0x9031], 0 |
238 | and word [es:0x9031], 0 |
229 | ; \begin{Mario79} |
239 | ; \begin{Mario79} |
230 | ; find HDD IDE DMA PCI device |
240 | ; find HDD IDE DMA PCI device |
231 | ; check for PCI BIOS |
241 | ; check for PCI BIOS |
232 | mov ax, 0xB101 |
242 | mov ax, 0xB101 |
233 | int 0x1A |
243 | int 0x1A |
234 | jc .nopci |
244 | jc .nopci |
235 | cmp edx, 'PCI ' |
245 | cmp edx, 'PCI ' |
236 | jnz .nopci |
246 | jnz .nopci |
237 | ; find PCI class code |
247 | ; find PCI class code |
238 | ; class 1 = mass storage |
248 | ; class 1 = mass storage |
239 | ; subclass 1 = IDE controller |
249 | ; subclass 1 = IDE controller |
240 | ; a) class 1, subclass 1, programming interface 0x80 |
250 | ; a) class 1, subclass 1, programming interface 0x80 |
241 | mov ax, 0xB103 |
251 | mov ax, 0xB103 |
242 | mov ecx, 1*10000h + 1*100h + 0x80 |
252 | mov ecx, 1*10000h + 1*100h + 0x80 |
243 | mov si, 0 ; device index = 0 |
253 | mov si, 0 ; device index = 0 |
244 | int 0x1A |
254 | int 0x1A |
245 | jnc .found |
255 | jnc .found |
246 | ; b) class 1, subclass 1, programming interface 0x8A |
256 | ; b) class 1, subclass 1, programming interface 0x8A |
247 | mov ax, 0xB103 |
257 | mov ax, 0xB103 |
248 | mov ecx, 1*10000h + 1*100h + 0x8A |
258 | mov ecx, 1*10000h + 1*100h + 0x8A |
249 | mov si, 0 ; device index = 0 |
259 | mov si, 0 ; device index = 0 |
250 | int 0x1A |
260 | int 0x1A |
251 | jnc .found |
261 | jnc .found |
252 | ; c) class 1, subclass 1, programming interface 0x85 |
262 | ; c) class 1, subclass 1, programming interface 0x85 |
253 | mov ax, 0xB103 |
263 | mov ax, 0xB103 |
254 | mov ecx, 1*10000h + 1*100h + 0x85 |
264 | mov ecx, 1*10000h + 1*100h + 0x85 |
255 | mov si, 0 |
265 | mov si, 0 |
256 | int 0x1A |
266 | int 0x1A |
257 | jc .nopci |
267 | jc .nopci |
258 | .found: |
268 | .found: |
259 | ; get memory base |
269 | ; get memory base |
260 | mov ax, 0xB10A |
270 | mov ax, 0xB10A |
261 | mov di, 0x20 ; memory base is config register at 0x20 |
271 | mov di, 0x20 ; memory base is config register at 0x20 |
262 | int 0x1A |
272 | int 0x1A |
263 | jc .nopci |
273 | jc .nopci |
264 | and cx, 0xFFF0 ; clear address decode type |
274 | and cx, 0xFFF0 ; clear address decode type |
265 | mov [es:0x9031], cx |
275 | mov [es:0x9031], cx |
266 | .nopci: |
276 | .nopci: |
267 | ; \end{Mario79} |
277 | ; \end{Mario79} |
268 | 278 | ||
269 | mov al,0xf6 ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå |
279 | mov al,0xf6 ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå |
270 | out 0x60,al |
280 | out 0x60,al |
271 | xor cx,cx |
281 | xor cx,cx |
272 | wait_loop: ; variant 2 |
282 | wait_loop: ; variant 2 |
273 | ; reading state of port of 8042 controller |
283 | ; reading state of port of 8042 controller |
274 | in al,64h |
284 | in al,64h |
275 | and al,00000010b ; ready flag |
285 | and al,00000010b ; ready flag |
276 | ; wait until 8042 controller is ready |
286 | ; wait until 8042 controller is ready |
277 | loopnz wait_loop |
287 | loopnz wait_loop |
278 | 288 | ||
279 | ; --------------- APM --------------------- |
289 | ; --------------- APM --------------------- |
280 | push 0 |
290 | push 0 |
281 | pop es |
291 | pop es |
282 | mov word [es : 0x9044], 0 ; ver = 0.0 (APM not found) |
292 | mov word [es : 0x9044], 0 ; ver = 0.0 (APM not found) |
283 | mov ax, 0x5300 |
293 | mov ax, 0x5300 |
284 | xor bx, bx |
294 | xor bx, bx |
285 | int 0x15 |
295 | int 0x15 |
286 | jc apm_end ; APM not found |
296 | jc apm_end ; APM not found |
287 | test cx, 2 |
297 | test cx, 2 |
288 | jz apm_end ; APM 32-bit protected-mode interface not supported |
298 | jz apm_end ; APM 32-bit protected-mode interface not supported |
289 | mov [es : 0x9044], ax ; Save APM Version |
299 | mov [es : 0x9044], ax ; Save APM Version |
290 | mov [es : 0x9046], cx ; Save APM flags |
300 | mov [es : 0x9046], cx ; Save APM flags |
291 | 301 | ||
292 | ; Write APM ver ---- |
302 | ; Write APM ver ---- |
293 | and ax, 0xf0f |
303 | and ax, 0xf0f |
294 | add ax, '00' |
304 | add ax, '00' |
295 | mov si, msg_apm |
305 | mov si, msg_apm |
296 | mov [si + 5], ah |
306 | mov [si + 5], ah |
297 | mov [si + 7], al |
307 | mov [si + 7], al |
298 | _setcursor 0, 3 |
308 | _setcursor 0, 3 |
299 | call printplain |
309 | call printplain |
300 | ; ------------------ |
310 | ; ------------------ |
301 | 311 | ||
302 | mov ax, 0x5304 ; Disconnect interface |
312 | mov ax, 0x5304 ; Disconnect interface |
303 | xor bx, bx |
313 | xor bx, bx |
304 | int 0x15 |
314 | int 0x15 |
305 | mov ax, 0x5303 ; Connect 32 bit mode interface |
315 | mov ax, 0x5303 ; Connect 32 bit mode interface |
306 | xor bx, bx |
316 | xor bx, bx |
307 | int 0x15 |
317 | int 0x15 |
308 | 318 | ||
309 | push 0 |
319 | push 0 |
310 | pop es |
320 | pop es |
311 | 321 | ||
312 | mov [es:0x9040], ebx |
322 | mov [es:0x9040], ebx |
313 | mov [es:0x9050], ax |
323 | mov [es:0x9050], ax |
314 | mov [es:0x9052], cx |
324 | mov [es:0x9052], cx |
315 | mov [es:0x9054], dx |
325 | mov [es:0x9054], dx |
316 | 326 | ||
317 | apm_end: |
327 | apm_end: |
318 | _setcursor d80x25_top_num, 0 |
328 | _setcursor d80x25_top_num, 0 |
319 | 329 | ||
320 | ; DISPLAY VESA INFORMATION |
330 | ; DISPLAY VESA INFORMATION |
321 | 331 | ||
322 | push 0 |
332 | push 0 |
323 | pop es |
333 | pop es |
324 | mov ax,0x4f00 |
334 | mov ax,0x4f00 |
325 | mov di,0xa000 |
335 | mov di,0xa000 |
326 | int 0x10 |
336 | int 0x10 |
327 | cmp ax,0x004f |
337 | cmp ax,0x004f |
328 | mov si, novesa |
338 | mov si, novesa |
329 | jnz @f |
339 | jnz @f |
330 | mov bx, word [es:di+0x12] |
340 | mov bx, word [es:di+0x12] |
331 | shl ebx,16 |
341 | shl ebx,16 |
332 | mov [es:0x9050], ebx |
342 | mov [es:0x9050], ebx |
333 | mov ax,[es:di+4] |
343 | mov ax,[es:di+4] |
334 | add ax,'0'*256+'0' |
344 | add ax,'0'*256+'0' |
335 | mov si,vervesa |
345 | mov si,vervesa |
336 | mov [si+vervesa_off], ah |
346 | mov [si+vervesa_off], ah |
337 | mov [si+vervesa_off+2], al |
347 | mov [si+vervesa_off+2], al |
338 | @@: call print |
348 | @@: call print |
339 | 349 | ||
340 | ; \begin{diamond}[30.11.2005] |
350 | ; \begin{diamond}[30.11.2005] |
341 | cfgmanager: |
351 | cfgmanager: |
342 | ; settings: |
352 | ; settings: |
343 | ; a) preboot_graph = graphical mode |
353 | ; a) preboot_graph = graphical mode |
344 | ; preboot_gprobe = probe this mode? |
354 | ; preboot_gprobe = probe this mode? |
345 | ; b) preboot_dma_write = use DMA write? |
355 | ; b) preboot_dma_write = use DMA write? |
346 | ; c) preboot_vrrm = use VRR? |
356 | ; c) preboot_vrrm = use VRR? |
347 | ; d) preboot_device = from what boot? |
357 | ; d) preboot_device = from what boot? |
348 | mov di, preboot_graph |
358 | mov di, preboot_graph |
349 | ; check bootloader block |
359 | ; check bootloader block |
350 | cmp [.loader_block], -1 |
360 | cmp [.loader_block], -1 |
351 | jz .noloaderblock |
361 | jz .noloaderblock |
352 | les bx, [.loader_block] |
362 | les bx, [.loader_block] |
353 | cmp byte [es:bx], 1 |
363 | cmp byte [es:bx], 1 |
354 | mov si, loader_block_error |
364 | mov si, loader_block_error |
355 | jnz sayerr |
365 | jnz sayerr |
356 | test byte [es:bx+1], 1 |
366 | test byte [es:bx+1], 1 |
357 | jz @f |
367 | jz @f |
358 | ; image in memory present |
368 | ; image in memory present |
359 | cmp [di+preboot_device-preboot_graph], 0 |
369 | cmp [di+preboot_device-preboot_graph], 0 |
360 | jnz @f |
370 | jnz @f |
361 | mov [di+preboot_device-preboot_graph], 3 |
371 | mov [di+preboot_device-preboot_graph], 3 |
362 | @@: |
372 | @@: |
363 | .noloaderblock: |
373 | .noloaderblock: |
364 | ; determine default settings |
374 | ; determine default settings |
365 | mov [.bSettingsChanged], 0 |
375 | mov [.bSettingsChanged], 0 |
366 | cmp byte [di], 0 |
376 | cmp byte [di], 0 |
367 | jnz .preboot_gr_end |
377 | jnz .preboot_gr_end |
368 | mov [di+preboot_gprobe-preboot_graph], 0 |
378 | mov [di+preboot_gprobe-preboot_graph], 0 |
369 | mov al, [vervesa+vervesa_off] |
379 | mov al, [vervesa+vervesa_off] |
370 | cmp al, 'x' |
380 | cmp al, 'x' |
371 | jz .novesa |
381 | jz .novesa |
372 | cmp al, '1' |
382 | cmp al, '1' |
373 | jz .vesa12 |
383 | jz .vesa12 |
374 | mov [di+preboot_gprobe-preboot_graph], 2 |
384 | mov [di+preboot_gprobe-preboot_graph], 2 |
375 | mov al, 3 |
385 | mov al, 3 |
376 | jmp @f |
386 | jmp @f |
377 | .vesa12: |
387 | .vesa12: |
378 | mov al, 7 |
388 | mov al, 7 |
379 | jmp @f |
389 | jmp @f |
380 | .novesa: |
390 | .novesa: |
381 | mov al, 10 |
391 | mov al, 10 |
382 | @@: |
392 | @@: |
383 | mov [di], al |
393 | mov [di], al |
384 | .preboot_gr_end: |
394 | .preboot_gr_end: |
385 | cmp [di+preboot_dma_write-preboot_graph], 1 |
395 | cmp [di+preboot_dma_write-preboot_graph], 1 |
386 | adc [di+preboot_dma_write-preboot_graph], 0 |
396 | adc [di+preboot_dma_write-preboot_graph], 0 |
387 | cmp [di+preboot_vrrm-preboot_graph], 1 |
397 | cmp [di+preboot_vrrm-preboot_graph], 1 |
388 | adc [di+preboot_vrrm-preboot_graph], 0 |
398 | adc [di+preboot_vrrm-preboot_graph], 0 |
389 | cmp [di+preboot_device-preboot_graph], 1 |
399 | cmp [di+preboot_device-preboot_graph], 1 |
390 | adc [di+preboot_device-preboot_graph], 0 |
400 | adc [di+preboot_device-preboot_graph], 0 |
391 | ; notify user |
401 | ; notify user |
392 | mov si, linef |
402 | mov si, linef |
393 | call print |
403 | call print |
394 | mov si, start_msg |
404 | mov si, start_msg |
395 | call print |
405 | call print |
396 | mov si, time_msg |
406 | mov si, time_msg |
397 | call print |
407 | call print |
398 | ; get start time |
408 | ; get start time |
399 | call .gettime |
409 | call .gettime |
400 | mov [.starttime], eax |
410 | mov [.starttime], eax |
401 | mov word [.timer], .newtimer |
411 | mov word [.timer], .newtimer |
402 | mov word [.timer+2], cs |
412 | mov word [.timer+2], cs |
403 | .printcfg: |
413 | .printcfg: |
404 | _setcursor 9,0 |
414 | _setcursor 9,0 |
405 | mov si, current_cfg_msg |
415 | mov si, current_cfg_msg |
406 | call print |
416 | call print |
407 | mov si, curvideo_msg |
417 | mov si, curvideo_msg |
408 | call print |
418 | call print |
409 | mov al, [preboot_graph] |
419 | mov al, [preboot_graph] |
410 | cmp al, 8 |
420 | cmp al, 8 |
411 | ja .pnovesa |
421 | ja .pnovesa |
412 | mov dl, al |
422 | mov dl, al |
413 | and eax, 3 |
423 | and eax, 3 |
414 | mov si, [modes_msg+eax*2] |
424 | mov si, [modes_msg+eax*2] |
415 | call printplain |
425 | call printplain |
416 | mov si, modevesa20 |
426 | mov si, modevesa20 |
417 | cmp dl, 4 |
427 | cmp dl, 4 |
418 | jbe @f |
428 | jbe @f |
419 | mov si, modevesa12 |
429 | mov si, modevesa12 |
420 | @@: |
430 | @@: |
421 | call printplain |
431 | call printplain |
422 | cmp dl, 4 |
432 | cmp dl, 4 |
423 | ja .x |
433 | ja .x |
424 | mov si, probeno_msg |
434 | mov si, probeno_msg |
425 | cmp [preboot_gprobe], 2 |
435 | cmp [preboot_gprobe], 2 |
426 | jnz @f |
436 | jnz @f |
427 | mov si, probeok_msg |
437 | mov si, probeok_msg |
428 | @@: |
438 | @@: |
429 | call printplain |
439 | call printplain |
430 | .x: |
440 | .x: |
431 | jmp .c |
441 | jmp .c |
432 | .pnovesa: |
442 | .pnovesa: |
433 | cmp al, 9 |
443 | cmp al, 9 |
434 | mov si, mode9 |
444 | mov si, mode9 |
435 | jz @b |
445 | jz @b |
436 | mov si, mode10 |
446 | mov si, mode10 |
437 | jmp @b |
447 | jmp @b |
438 | .c: |
448 | .c: |
439 | mov si, linef |
449 | mov si, linef |
440 | call printplain |
450 | call printplain |
441 | mov si, dma_msg |
451 | mov si, dma_msg |
442 | cmp [preboot_dma_write], 1 |
452 | cmp [preboot_dma_write], 1 |
443 | call .say_on_off |
453 | call .say_on_off |
444 | mov si, vrrm_msg |
454 | mov si, vrrm_msg |
445 | cmp [preboot_vrrm], 1 |
455 | cmp [preboot_vrrm], 1 |
446 | call .say_on_off |
456 | call .say_on_off |
447 | mov si, preboot_device_msg |
457 | mov si, preboot_device_msg |
448 | call print |
458 | call print |
449 | mov al, [preboot_device] |
459 | mov al, [preboot_device] |
450 | and eax, 3 |
460 | and eax, 3 |
451 | mov si, [preboot_device_msgs+eax*2] |
461 | mov si, [preboot_device_msgs+eax*2] |
452 | call printplain |
462 | call printplain |
453 | .wait: |
463 | .wait: |
454 | _setcursor 25,0 ; out of screen |
464 | _setcursor 25,0 ; out of screen |
455 | ; set timer interrupt handler |
465 | ; set timer interrupt handler |
456 | cli |
466 | cli |
457 | push 0 |
467 | push 0 |
458 | pop es |
468 | pop es |
459 | mov eax, [es:8*4] |
469 | mov eax, [es:8*4] |
460 | mov [.oldtimer], eax |
470 | mov [.oldtimer], eax |
461 | mov eax, [.timer] |
471 | mov eax, [.timer] |
462 | mov [es:8*4], eax |
472 | mov [es:8*4], eax |
463 | sti |
473 | sti |
464 | ; wait for keypressed |
474 | ; wait for keypressed |
465 | mov ah, 0 |
475 | mov ah, 0 |
466 | int 16h |
476 | int 16h |
467 | push ax |
477 | push ax |
468 | ; restore timer interrupt |
478 | ; restore timer interrupt |
469 | push 0 |
479 | push 0 |
470 | pop es |
480 | pop es |
471 | mov eax, [.oldtimer] |
481 | mov eax, [.oldtimer] |
472 | mov [es:8*4], eax |
482 | mov [es:8*4], eax |
473 | mov [.timer], eax |
483 | mov [.timer], eax |
474 | _setcursor 7,0 |
484 | _setcursor 7,0 |
475 | mov si, space_msg |
485 | mov si, space_msg |
476 | call printplain |
486 | call printplain |
477 | pop ax |
487 | pop ax |
478 | ; switch on key |
488 | ; switch on key |
479 | cmp al, 13 |
489 | cmp al, 13 |
480 | jz .continue |
490 | jz .continue |
481 | or al, 20h |
491 | or al, 20h |
482 | cmp al, 'a' |
492 | cmp al, 'a' |
483 | jz .change_a |
493 | jz .change_a |
484 | cmp al, 'b' |
494 | cmp al, 'b' |
485 | jz .change_b |
495 | jz .change_b |
486 | cmp al, 'c' |
496 | cmp al, 'c' |
487 | jz .change_c |
497 | jz .change_c |
488 | cmp al, 'd' |
498 | cmp al, 'd' |
489 | jnz .wait |
499 | jnz .wait |
490 | _setcursor 15,0 |
500 | _setcursor 15,0 |
491 | mov si,bdev |
501 | mov si,bdev |
492 | call print |
502 | call print |
493 | mov bx,'13' |
503 | mov bx,'13' |
494 | call getkey |
504 | call getkey |
495 | mov [preboot_device], al |
505 | mov [preboot_device], al |
496 | _setcursor 13,0 |
506 | _setcursor 13,0 |
497 | .d: |
507 | .d: |
498 | mov [.bSettingsChanged], 1 |
508 | mov [.bSettingsChanged], 1 |
499 | mov si, space_msg |
509 | mov si, space_msg |
500 | call printplain |
510 | call printplain |
501 | _setcursor 15,0 |
511 | _setcursor 15,0 |
502 | mov cx, 6 |
512 | mov cx, 6 |
503 | @@: |
513 | @@: |
504 | call printplain |
514 | call printplain |
505 | loop @b |
515 | loop @b |
506 | jmp .printcfg |
516 | jmp .printcfg |
507 | .change_a: |
517 | .change_a: |
508 | _setcursor 15,0 |
518 | _setcursor 15,0 |
509 | mov si, gr_mode |
519 | mov si, gr_mode |
510 | call printplain |
520 | call printplain |
511 | mov bx, '09' |
521 | mov bx, '09' |
512 | call getkey |
522 | call getkey |
513 | mov [preboot_graph], al |
523 | mov [preboot_graph], al |
514 | cmp al, 4 |
524 | cmp al, 4 |
515 | ja @f |
525 | ja @f |
516 | mov si, probetext |
526 | mov si, probetext |
517 | call printplain |
527 | call printplain |
518 | mov bx, '12' |
528 | mov bx, '12' |
519 | call getkey |
529 | call getkey |
520 | mov [preboot_gprobe], al |
530 | mov [preboot_gprobe], al |
521 | @@: |
531 | @@: |
522 | _setcursor 10,0 |
532 | _setcursor 10,0 |
523 | jmp .d |
533 | jmp .d |
524 | .change_b: |
534 | .change_b: |
525 | _setcursor 15,0 |
535 | _setcursor 15,0 |
526 | mov si, ask_dma |
536 | mov si, ask_dma |
527 | call print |
537 | call print |
528 | mov bx, '12' |
538 | mov bx, '12' |
529 | call getkey |
539 | call getkey |
530 | mov [preboot_dma_write], al |
540 | mov [preboot_dma_write], al |
531 | _setcursor 11,0 |
541 | _setcursor 11,0 |
532 | jmp .d |
542 | jmp .d |
533 | .change_c: |
543 | .change_c: |
534 | _setcursor 15,0 |
544 | _setcursor 15,0 |
535 | mov si, vrrmprint |
545 | mov si, vrrmprint |
536 | call print |
546 | call print |
537 | mov bx, '12' |
547 | mov bx, '12' |
538 | call getkey |
548 | call getkey |
539 | mov [preboot_vrrm], al |
549 | mov [preboot_vrrm], al |
540 | _setcursor 12,0 |
550 | _setcursor 12,0 |
541 | jmp .d |
551 | jmp .d |
542 | .say_on_off: |
552 | .say_on_off: |
543 | pushf |
553 | pushf |
544 | call print |
554 | call print |
545 | mov si, on_msg |
555 | mov si, on_msg |
546 | popf |
556 | popf |
547 | jz @f |
557 | jz @f |
548 | mov si, off_msg |
558 | mov si, off_msg |
549 | @@: call printplain |
559 | @@: call printplain |
550 | ret |
560 | ret |
551 | ; novesa and vervesa strings are not used at the moment of executing this code |
561 | ; novesa and vervesa strings are not used at the moment of executing this code |
552 | virtual at novesa |
562 | virtual at novesa |
553 | .oldtimer dd ? |
563 | .oldtimer dd ? |
554 | .starttime dd ? |
564 | .starttime dd ? |
555 | .bSettingsChanged db ? |
565 | .bSettingsChanged db ? |
556 | .timer dd ? |
566 | .timer dd ? |
557 | end virtual |
567 | end virtual |
558 | .loader_block dd -1 |
568 | .loader_block dd -1 |
559 | .gettime: |
569 | .gettime: |
560 | mov ah, 0 |
570 | mov ah, 0 |
561 | int 1Ah |
571 | int 1Ah |
562 | xchg ax, cx |
572 | xchg ax, cx |
563 | shl eax, 10h |
573 | shl eax, 10h |
564 | xchg ax, dx |
574 | xchg ax, dx |
565 | ret |
575 | ret |
566 | .newtimer: |
576 | .newtimer: |
567 | push ds |
577 | push ds |
568 | push cs |
578 | push cs |
569 | pop ds |
579 | pop ds |
570 | pushf |
580 | pushf |
571 | call [.oldtimer] |
581 | call [.oldtimer] |
572 | pushad |
582 | pushad |
573 | call .gettime |
583 | call .gettime |
574 | sub eax, [.starttime] |
584 | sub eax, [.starttime] |
575 | sub ax, 18*5 |
585 | sub ax, 18*5 |
576 | jae .timergo |
586 | jae .timergo |
577 | neg ax |
587 | neg ax |
578 | add ax, 18-1 |
588 | add ax, 18-1 |
579 | mov bx, 18 |
589 | mov bx, 18 |
580 | xor dx, dx |
590 | xor dx, dx |
581 | div bx |
591 | div bx |
582 | if lang eq ru |
592 | if lang eq ru |
583 | ; ¯®¤®¦¤¨â¥ 5 ᥪã¤, 4/3/2 ᥪã¤ë, 1 ᥪã¤ã |
593 | ; ¯®¤®¦¤¨â¥ 5 ᥪã¤, 4/3/2 ᥪã¤ë, 1 ᥪã¤ã |
584 | cmp al, 5 |
594 | cmp al, 5 |
585 | mov cl, ' ' |
595 | mov cl, ' ' |
586 | jae @f |
596 | jae @f |
587 | cmp al, 1 |
597 | cmp al, 1 |
588 | mov cl, 'ã' |
598 | mov cl, 'ã' |
589 | jz @f |
599 | jz @f |
590 | mov cl, 'ë' |
600 | mov cl, 'ë' |
591 | @@: mov [time_str+9], cl |
601 | @@: mov [time_str+9], cl |
592 | else if lang eq et |
602 | else if lang eq et |
593 | cmp al, 1 |
603 | cmp al, 1 |
594 | ja @f |
604 | ja @f |
595 | mov [time_str+9], ' ' |
605 | mov [time_str+9], ' ' |
596 | mov [time_str+10],' ' |
606 | mov [time_str+10],' ' |
597 | @@: |
607 | @@: |
598 | else |
608 | else |
599 | ; wait 5/4/3/2 seconds, 1 second |
609 | ; wait 5/4/3/2 seconds, 1 second |
600 | cmp al, 1 |
610 | cmp al, 1 |
601 | mov cl, 's' |
611 | mov cl, 's' |
602 | ja @f |
612 | ja @f |
603 | mov cl, ' ' |
613 | mov cl, ' ' |
604 | @@: mov [time_str+9], cl |
614 | @@: mov [time_str+9], cl |
605 | end if |
615 | end if |
606 | add al, '0' |
616 | add al, '0' |
607 | mov [time_str+1], al |
617 | mov [time_str+1], al |
608 | mov si, time_msg |
618 | mov si, time_msg |
609 | _setcursor 7,0 |
619 | _setcursor 7,0 |
610 | call print |
620 | call print |
611 | _setcursor 25,0 |
621 | _setcursor 25,0 |
612 | popad |
622 | popad |
613 | pop ds |
623 | pop ds |
614 | iret |
624 | iret |
615 | .timergo: |
625 | .timergo: |
616 | push 0 |
626 | push 0 |
617 | pop es |
627 | pop es |
618 | mov eax, [.oldtimer] |
628 | mov eax, [.oldtimer] |
619 | mov [es:8*4], eax |
629 | mov [es:8*4], eax |
620 | mov sp, 0EC00h |
630 | mov sp, 0EC00h |
621 | .continue: |
631 | .continue: |
622 | sti |
632 | sti |
623 | _setcursor 6,0 |
633 | _setcursor 6,0 |
624 | mov si, space_msg |
634 | mov si, space_msg |
625 | call printplain |
635 | call printplain |
626 | call printplain |
636 | call printplain |
627 | _setcursor 6,0 |
637 | _setcursor 6,0 |
628 | mov si, loading_msg |
638 | mov si, loading_msg |
629 | call print |
639 | call print |
630 | _setcursor 15,0 |
640 | _setcursor 15,0 |
631 | cmp [.bSettingsChanged], 0 |
641 | cmp [.bSettingsChanged], 0 |
632 | jz .load |
642 | jz .load |
633 | cmp [.loader_block], -1 |
643 | cmp [.loader_block], -1 |
634 | jz .load |
644 | jz .load |
635 | les bx, [.loader_block] |
645 | les bx, [.loader_block] |
636 | mov eax, [es:bx+3] |
646 | mov eax, [es:bx+3] |
637 | push ds |
647 | push ds |
638 | pop es |
648 | pop es |
639 | test eax, eax |
649 | test eax, eax |
640 | jz .load |
650 | jz .load |
641 | push eax |
651 | push eax |
642 | mov si, save_quest |
652 | mov si, save_quest |
643 | call print |
653 | call print |
644 | .waityn: |
654 | .waityn: |
645 | mov ah, 0 |
655 | mov ah, 0 |
646 | int 16h |
656 | int 16h |
647 | or al, 20h |
657 | or al, 20h |
648 | cmp al, 'n' |
658 | cmp al, 'n' |
649 | jz .loadc |
659 | jz .loadc |
650 | cmp al, 'y' |
660 | cmp al, 'y' |
651 | jnz .waityn |
661 | jnz .waityn |
652 | call putchar |
662 | call putchar |
653 | mov byte [space_msg+80], 186 |
663 | mov byte [space_msg+80], 186 |
654 | pop eax |
664 | pop eax |
655 | push cs |
665 | push cs |
656 | push .cont |
666 | push .cont |
657 | push eax |
667 | push eax |
658 | retf |
668 | retf |
659 | .loadc: |
669 | .loadc: |
660 | pop eax |
670 | pop eax |
661 | .cont: |
671 | .cont: |
662 | push cs |
672 | push cs |
663 | pop ds |
673 | pop ds |
664 | mov si, space_msg |
674 | mov si, space_msg |
665 | mov byte [si+80], 0 |
675 | mov byte [si+80], 0 |
666 | _setcursor 15,0 |
676 | _setcursor 15,0 |
667 | call printplain |
677 | call printplain |
668 | _setcursor 15,0 |
678 | _setcursor 15,0 |
669 | .load: |
679 | .load: |
670 | ; \end{diamond}[02.12.2005] |
680 | ; \end{diamond}[02.12.2005] |
671 | 681 | ||
672 | ; ASK GRAPHICS MODE |
682 | ; ASK GRAPHICS MODE |
673 | 683 | ||
674 | movzx ax, [preboot_graph] |
684 | movzx ax, [preboot_graph] |
675 | push 0 |
685 | push 0 |
676 | pop es |
686 | pop es |
677 | ; address is gr_table+6*(ax-1) |
687 | ; address is gr_table+6*(ax-1) |
678 | add ax, ax |
688 | add ax, ax |
679 | lea si, [gr_table + eax + eax*2 - 6] |
689 | lea si, [gr_table + eax + eax*2 - 6] |
680 | mov bx,[si+0] |
690 | mov bx,[si+0] |
681 | mov cx,[si+2] |
691 | mov cx,[si+2] |
682 | mov dx,[si+4] |
692 | mov dx,[si+4] |
683 | cmp al, 9*2 |
693 | cmp al, 9*2 |
684 | mov al, 32 ; BPP |
694 | mov al, 32 ; BPP |
685 | jb @f |
695 | jb @f |
686 | mov [es:0x9000], al |
696 | mov [es:0x9000], al |
687 | mov dword [es:0x9018], 0xFFFFFFFF; 0x800000 |
697 | mov dword [es:0x9018], 0xFFFFFFFF; 0x800000 |
688 | @@: |
698 | @@: |
689 | mov [es:0x9008],bx |
699 | mov [es:0x9008],bx |
690 | mov [es:0x900A],cx |
700 | mov [es:0x900A],cx |
691 | mov [es:0x900C],dx |
701 | mov [es:0x900C],dx |
692 | test bh, bh |
702 | test bh, bh |
693 | jz nov |
703 | jz nov |
694 | 704 | ||
695 | ; USE DEFAULTS OR PROBE |
705 | ; USE DEFAULTS OR PROBE |
696 | 706 | ||
697 | ; bx - mode : cx - x size : dx - y size |
707 | ; bx - mode : cx - x size : dx - y size |
698 | cmp [preboot_gprobe], 1 |
708 | cmp [preboot_gprobe], 1 |
699 | jz noprobe |
709 | jz noprobe |
700 | 710 | ||
701 | mov bx,0x100 |
711 | mov bx,0x100 |
702 | newprobe: |
712 | newprobe: |
703 | inc bx |
713 | inc bx |
704 | cmp bx,0x17f |
714 | cmp bx,0x17f |
705 | mov si,prnotfnd |
715 | mov si,prnotfnd |
706 | jz sayerr |
716 | jz sayerr |
707 | 717 | ||
708 | probemore: |
718 | probemore: |
709 | push cx |
719 | push cx |
710 | mov ax,0x4f01 |
720 | mov ax,0x4f01 |
711 | mov cx,bx |
721 | mov cx,bx |
712 | and cx,0xfff |
722 | and cx,0xfff |
713 | mov di,0xa000 |
723 | mov di,0xa000 |
714 | int 0x10 |
724 | int 0x10 |
715 | pop cx |
725 | pop cx |
716 | 726 | ||
717 | test byte [es:di], 80h ; lfb? |
727 | test byte [es:di], 80h ; lfb? |
718 | jz newprobe |
728 | jz newprobe |
719 | cmp [es:di+0x12], cx ; x size? |
729 | cmp [es:di+0x12], cx ; x size? |
720 | jnz newprobe |
730 | jnz newprobe |
721 | cmp [es:di+0x14], dx ; y size? |
731 | cmp [es:di+0x14], dx ; y size? |
722 | jnz newprobe |
732 | jnz newprobe |
723 | cmp byte [es:di+0x19], 32 ;24 |
733 | cmp byte [es:di+0x19], 32 ;24 |
724 | jb newprobe |
734 | jb newprobe |
725 | 735 | ||
726 | ; add bx,0100000000000000b |
736 | ; add bx,0100000000000000b |
727 | or bh, 40h |
737 | or bh, 40h |
728 | mov [es:0x9008],bx |
738 | mov [es:0x9008],bx |
729 | 739 | ||
730 | noprobe: |
740 | noprobe: |
731 | 741 | ||
732 | 742 | ||
733 | ; FIND VESA 2.0 LFB & BPP |
743 | ; FIND VESA 2.0 LFB & BPP |
734 | 744 | ||
735 | mov ax,0x4f01 |
745 | mov ax,0x4f01 |
736 | mov cx,bx |
746 | mov cx,bx |
737 | and cx,0xfff |
747 | and cx,0xfff |
738 | mov di,0xa000 |
748 | mov di,0xa000 |
739 | int 0x10 |
749 | int 0x10 |
740 | ; LFB |
750 | ; LFB |
741 | mov eax,[es:di+0x28] |
751 | mov eax,[es:di+0x28] |
742 | mov [es:0x9018],eax |
752 | mov [es:0x9018],eax |
743 | ; ---- vbe voodoo |
753 | ; ---- vbe voodoo |
744 | BytesPerLine equ 0x10 |
754 | BytesPerLine equ 0x10 |
745 | mov ax, [es:di+BytesPerLine] |
755 | mov ax, [es:di+BytesPerLine] |
746 | mov [es:0x9001],ax |
756 | mov [es:0x9001],ax |
747 | ; BPP |
757 | ; BPP |
748 | mov al,byte [es:di+0x19] |
758 | mov al,byte [es:di+0x19] |
749 | mov [es:0x9000],al |
759 | mov [es:0x9000],al |
750 | nov: |
760 | nov: |
751 | cmp al,24 |
761 | cmp al,24 |
752 | mov si,bt24 |
762 | mov si,bt24 |
753 | jz bppl |
763 | jz bppl |
754 | cmp al,32 |
764 | cmp al,32 |
755 | mov si,bt32 |
765 | mov si,bt32 |
756 | jz bppl |
766 | jz bppl |
757 | mov si,btns |
767 | mov si,btns |
758 | jmp sayerr |
768 | jmp sayerr |
759 | bppl: |
769 | bppl: |
760 | call print |
770 | call print |
761 | 771 | ||
762 | 772 | ||
763 | ; FIND VESA 1.2 PM BANK SWITCH ADDRESS |
773 | ; FIND VESA 1.2 PM BANK SWITCH ADDRESS |
764 | 774 | ||
765 | push es |
775 | push es |
766 | mov ax,0x4f0A |
776 | mov ax,0x4f0A |
767 | xor bx, bx |
777 | xor bx, bx |
768 | int 0x10 |
778 | int 0x10 |
769 | xor eax,eax |
779 | xor eax,eax |
770 | mov ax,es |
780 | mov ax,es |
771 | shl eax,4 |
781 | shl eax,4 |
772 | movzx ebx,di |
782 | movzx ebx,di |
773 | add eax,ebx |
783 | add eax,ebx |
774 | mov bx,[es:di] |
784 | mov bx,[es:di] |
775 | add eax,ebx |
785 | add eax,ebx |
776 | pop es |
786 | pop es |
777 | mov [es:0x9014],eax |
787 | mov [es:0x9014],eax |
778 | 788 | ||
779 | 789 | ||
780 | ; GRAPHICS ACCELERATION |
790 | ; GRAPHICS ACCELERATION |
781 | ; force yes |
791 | ; force yes |
782 | mov [es:0x901C], byte 1 |
792 | mov [es:0x901C], byte 1 |
783 | 793 | ||
784 | ; DMA WRITE |
794 | ; DMA WRITE |
785 | 795 | ||
786 | mov al, [preboot_dma_write] |
796 | mov al, [preboot_dma_write] |
787 | mov [es:0x901F],al |
797 | mov [es:0x901F],al |
788 | 798 | ||
789 | ; VRR_M USE |
799 | ; VRR_M USE |
790 | 800 | ||
791 | mov al,[preboot_vrrm] |
801 | mov al,[preboot_vrrm] |
792 | mov [es:0x9030],al |
802 | mov [es:0x9030],al |
793 | mov [es:0x901E],byte 1 |
803 | mov [es:0x901E],byte 1 |
794 | 804 | ||
795 | ; BOOT DEVICE |
805 | ; BOOT DEVICE |
796 | 806 | ||
797 | mov al, [preboot_device] |
807 | mov al, [preboot_device] |
798 | dec al |
808 | dec al |
799 | mov [boot_dev],al |
809 | mov [boot_dev],al |
800 | 810 | ||
801 | ; READ DISKETTE TO MEMORY |
811 | ; READ DISKETTE TO MEMORY |
802 | 812 | ||
803 | ; cmp [boot_dev],0 |
813 | ; cmp [boot_dev],0 |
804 | jne no_sys_on_floppy |
814 | jne no_sys_on_floppy |
805 | mov si,diskload |
815 | mov si,diskload |
806 | call print |
816 | call print |
807 | xor ax, ax ; reset drive |
817 | xor ax, ax ; reset drive |
808 | xor dx, dx |
818 | xor dx, dx |
809 | int 0x13 |
819 | int 0x13 |
810 | ; now load floppy image to memory |
820 | ; now load floppy image to memory |
811 | ; at first load boot sector and first FAT table |
821 | ; at first load boot sector and first FAT table |
812 | mov cx, 0x0001 ; startcyl,startsector |
822 | mov cx, 0x0001 ; startcyl,startsector |
813 | xor dx, dx ; starthead,drive |
823 | xor dx, dx ; starthead,drive |
814 | mov al, 1+9 ; no of sectors to read |
824 | mov al, 1+9 ; no of sectors to read |
815 | mov bx, 0xB000 ; es:bx -> data area |
825 | mov bx, 0xB000 ; es:bx -> data area |
816 | call boot_read_floppy |
826 | call boot_read_floppy |
817 | ; and copy them to extended memory |
827 | ; and copy them to extended memory |
818 | mov si, movedesc |
828 | mov si, movedesc |
819 | mov [si+8*2+3], bh |
829 | mov [si+8*2+3], bh |
820 | push es |
830 | push es |
821 | push ds |
831 | push ds |
822 | pop es |
832 | pop es |
823 | mov cx, 256*10 |
833 | mov cx, 256*10 |
824 | mov ah, 0x87 |
834 | mov ah, 0x87 |
825 | int 0x15 |
835 | int 0x15 |
826 | test ah, ah |
836 | test ah, ah |
827 | jz @f |
837 | jz @f |
828 | sayerr_floppy: |
838 | sayerr_floppy: |
829 | mov dx, 0x3f2 |
839 | mov dx, 0x3f2 |
830 | mov al, 0 |
840 | mov al, 0 |
831 | out dx, al |
841 | out dx, al |
832 | mov si, memmovefailed |
842 | mov si, memmovefailed |
833 | jmp sayerr_plain |
843 | jmp sayerr_plain |
834 | @@: |
844 | @@: |
835 | add dword [si+8*3+2], 512*10 |
845 | add dword [si+8*3+2], 512*10 |
836 | ; copy FAT to second copy |
846 | ; copy FAT to second copy |
837 | mov byte [si+8*2+3], 0xB2 |
847 | mov byte [si+8*2+3], 0xB2 |
838 | mov cx, 256*9 |
848 | mov cx, 256*9 |
839 | mov ah, 0x87 |
849 | mov ah, 0x87 |
840 | int 0x15 |
850 | int 0x15 |
841 | pop es |
851 | pop es |
842 | test ah, ah |
852 | test ah, ah |
843 | jnz sayerr_floppy |
853 | jnz sayerr_floppy |
844 | add dword [si+8*3+2], 512*9 |
854 | add dword [si+8*3+2], 512*9 |
845 | ; calculate total number of sectors to read |
855 | ; calculate total number of sectors to read |
846 | mov ax, 1+9+14 ; boot+FAT+root |
856 | mov ax, 1+9+14 ; boot+FAT+root |
847 | mov di, 0xB203 |
857 | mov di, 0xB203 |
848 | .calc_loop: |
858 | .calc_loop: |
849 | test word [es:di], 0xFFF |
859 | test word [es:di], 0xFFF |
850 | jz @f |
860 | jz @f |
851 | inc ax |
861 | inc ax |
852 | @@: |
862 | @@: |
853 | test word [es:di+1], 0xFFF0 |
863 | test word [es:di+1], 0xFFF0 |
854 | jz @f |
864 | jz @f |
855 | inc ax |
865 | inc ax |
856 | @@: |
866 | @@: |
857 | add di, 3 |
867 | add di, 3 |
858 | cmp di, 0xB200+1440*3 |
868 | cmp di, 0xB200+1440*3 |
859 | jb .calc_loop |
869 | jb .calc_loop |
860 | push ax |
870 | push ax |
861 | mov bp, 1+9 ; already read sectors |
871 | mov bp, 1+9 ; already read sectors |
862 | ; now read rest |
872 | ; now read rest |
863 | mov byte [si+8*2+3], 0xA0 |
873 | mov byte [si+8*2+3], 0xA0 |
864 | mov di, 2-14 ; absolute sector-31 |
874 | mov di, 2-14 ; absolute sector-31 |
865 | mov cx, 0x0002 ; cylinder=0, sector=2 |
875 | mov cx, 0x0002 ; cylinder=0, sector=2 |
866 | mov dx, 0x0100 ; head=1, disk=0 |
876 | mov dx, 0x0100 ; head=1, disk=0 |
867 | .read_loop: |
877 | .read_loop: |
868 | ; determine whether sector must be read |
878 | ; determine whether sector must be read |
869 | cmp di, 2 |
879 | cmp di, 2 |
870 | jl .read |
880 | jl .read |
871 | mov bx, di |
881 | mov bx, di |
872 | shr bx, 1 |
882 | shr bx, 1 |
873 | jnc .even |
883 | jnc .even |
874 | test word [es:bx+di+0xB200], 0xFFF0 |
884 | test word [es:bx+di+0xB200], 0xFFF0 |
875 | jmp @f |
885 | jmp @f |
876 | .even: |
886 | .even: |
877 | test word [es:bx+di+0xB200], 0xFFF |
887 | test word [es:bx+di+0xB200], 0xFFF |
878 | @@: |
888 | @@: |
879 | jz .skip |
889 | jz .skip |
880 | .read: |
890 | .read: |
881 | mov bx, 0xA000 |
891 | mov bx, 0xA000 |
882 | mov al, 1 ; 1 sector |
892 | mov al, 1 ; 1 sector |
883 | call boot_read_floppy |
893 | call boot_read_floppy |
884 | inc bp |
894 | inc bp |
885 | push es |
895 | push es |
886 | push ds |
896 | push ds |
887 | pop es |
897 | pop es |
888 | pusha |
898 | pusha |
889 | mov cx, 256 |
899 | mov cx, 256 |
890 | mov ah, 0x87 |
900 | mov ah, 0x87 |
891 | int 0x15 |
901 | int 0x15 |
892 | test ah, ah |
902 | test ah, ah |
893 | popa |
903 | popa |
894 | pop es |
904 | pop es |
895 | jnz sayerr_floppy |
905 | jnz sayerr_floppy |
896 | .skip: |
906 | .skip: |
897 | add dword [si+8*3+2], 512 |
907 | add dword [si+8*3+2], 512 |
898 | inc cx |
908 | inc cx |
899 | cmp cl, 19 |
909 | cmp cl, 19 |
900 | jnz @f |
910 | jnz @f |
901 | mov cl, 1 |
911 | mov cl, 1 |
902 | inc dh |
912 | inc dh |
903 | cmp dh, 2 |
913 | cmp dh, 2 |
904 | jnz @f |
914 | jnz @f |
905 | mov dh, 0 |
915 | mov dh, 0 |
906 | inc ch |
916 | inc ch |
907 | @@: |
917 | @@: |
908 | pop ax |
918 | pop ax |
909 | push ax |
919 | push ax |
910 | pusha |
920 | pusha |
911 | ; draw percentage |
921 | ; draw percentage |
912 | ; total sectors: ax |
922 | ; total sectors: ax |
913 | ; read sectors: bp |
923 | ; read sectors: bp |
914 | xchg ax, bp |
924 | xchg ax, bp |
915 | mov cx, 100 |
925 | mov cx, 100 |
916 | mul cx |
926 | mul cx |
917 | div bp |
927 | div bp |
918 | aam |
928 | aam |
919 | xchg al, ah |
929 | xchg al, ah |
920 | add ax, '00' |
930 | add ax, '00' |
921 | mov si, pros |
931 | mov si, pros |
922 | cmp [si], ax |
932 | cmp [si], ax |
923 | jz @f |
933 | jz @f |
924 | mov [si], ax |
934 | mov [si], ax |
925 | call printplain |
935 | call printplain |
926 | @@: |
936 | @@: |
927 | popa |
937 | popa |
928 | inc di |
938 | inc di |
929 | cmp di, 2880-31 |
939 | cmp di, 2880-31 |
930 | jnz .read_loop |
940 | jnz .read_loop |
931 | 941 | ||
932 | ; mov cx, 0x0001 ; startcyl,startsector |
942 | ; mov cx, 0x0001 ; startcyl,startsector |
933 | ; xor dx, dx ; starthead,drive |
943 | ; xor dx, dx ; starthead,drive |
934 | ; push word 80*2 ; read no of sect |
944 | ; push word 80*2 ; read no of sect |
935 | ; reads: |
945 | ; reads: |
936 | ; pusha |
946 | ; pusha |
937 | ; xor si,si |
947 | ; xor si,si |
938 | ; newread: |
948 | ; newread: |
939 | ; mov bx,0xa000 ; es:bx -> data area |
949 | ; mov bx,0xa000 ; es:bx -> data area |
940 | ; mov ax,0x0200+18 ; read, no of sectors to read |
950 | ; mov ax,0x0200+18 ; read, no of sectors to read |
941 | ; int 0x13 |
951 | ; int 0x13 |
942 | ; test ah, ah |
952 | ; test ah, ah |
943 | ; jz goodread |
953 | ; jz goodread |
944 | ; inc si |
954 | ; inc si |
945 | ; cmp si,10 |
955 | ; cmp si,10 |
946 | ; jnz newread |
956 | ; jnz newread |
947 | ; mov si,badsect-0x10000 |
957 | ; mov si,badsect-0x10000 |
948 | ;sayerr_plain: |
958 | ;sayerr_plain: |
949 | ; call printplain |
959 | ; call printplain |
950 | ; jmp $ |
960 | ; jmp $ |
951 | ; goodread: |
961 | ; goodread: |
952 | ; ; move -> 1mb |
962 | ; ; move -> 1mb |
953 | ; mov si,movedesc-0x10000 |
963 | ; mov si,movedesc-0x10000 |
954 | ; push es |
964 | ; push es |
955 | ; push ds |
965 | ; push ds |
956 | ; pop es |
966 | ; pop es |
957 | ; mov cx,256*18 |
967 | ; mov cx,256*18 |
958 | ; mov ah,0x87 |
968 | ; mov ah,0x87 |
959 | ; int 0x15 |
969 | ; int 0x15 |
960 | ; pop es |
970 | ; pop es |
961 | ; |
971 | ; |
962 | ; test ah,ah ; was the move successfull ? |
972 | ; test ah,ah ; was the move successfull ? |
963 | ; je goodmove |
973 | ; je goodmove |
964 | ; mov dx,0x3f2 ; floppy motor off |
974 | ; mov dx,0x3f2 ; floppy motor off |
965 | ; mov al,0 |
975 | ; mov al,0 |
966 | ; out dx,al |
976 | ; out dx,al |
967 | ; mov si,memmovefailed-0x10000 |
977 | ; mov si,memmovefailed-0x10000 |
968 | ; jmp sayerr_plain |
978 | ; jmp sayerr_plain |
969 | ; goodmove: |
979 | ; goodmove: |
970 | ; |
980 | ; |
971 | ; add dword [movedesc-0x10000+0x18+2], 512*18 |
981 | ; add dword [movedesc-0x10000+0x18+2], 512*18 |
972 | ; popa |
982 | ; popa |
973 | ; inc dh |
983 | ; inc dh |
974 | ; cmp dh,2 |
984 | ; cmp dh,2 |
975 | ; jnz bb2 |
985 | ; jnz bb2 |
976 | ; mov dh,0 |
986 | ; mov dh,0 |
977 | ; inc ch |
987 | ; inc ch |
978 | ; pusha ; print prosentage |
988 | ; pusha ; print prosentage |
979 | ; mov si,pros-0x10000 |
989 | ; mov si,pros-0x10000 |
980 | ; shr ch, 2 |
990 | ; shr ch, 2 |
981 | ; mov al, '5' |
991 | ; mov al, '5' |
982 | ; test ch, 1 |
992 | ; test ch, 1 |
983 | ; jnz @f |
993 | ; jnz @f |
984 | ; mov al, '0' |
994 | ; mov al, '0' |
985 | ;@@: |
995 | ;@@: |
986 | ; mov [si+1], al |
996 | ; mov [si+1], al |
987 | ; shr ch, 1 |
997 | ; shr ch, 1 |
988 | ; add ch, '0' |
998 | ; add ch, '0' |
989 | ; mov [si], ch |
999 | ; mov [si], ch |
990 | ; call printplain |
1000 | ; call printplain |
991 | ; popa |
1001 | ; popa |
992 | ; bb2: |
1002 | ; bb2: |
993 | ; pop ax |
1003 | ; pop ax |
994 | ; dec ax |
1004 | ; dec ax |
995 | ; push ax |
1005 | ; push ax |
996 | ; jnz reads |
1006 | ; jnz reads |
997 | ; readdone: |
1007 | ; readdone: |
998 | ; pop ax |
1008 | ; pop ax |
999 | 1009 | ||
1000 | mov si,backspace2 |
1010 | mov si,backspace2 |
1001 | call printplain |
1011 | call printplain |
1002 | mov si,okt |
1012 | mov si,okt |
1003 | call printplain |
1013 | call printplain |
1004 | no_sys_on_floppy: |
1014 | no_sys_on_floppy: |
1005 | xor ax, ax ; reset drive |
1015 | xor ax, ax ; reset drive |
1006 | xor dx, dx |
1016 | xor dx, dx |
1007 | int 0x13 |
1017 | int 0x13 |
1008 | mov dx,0x3f2 ; floppy motor off |
1018 | mov dx,0x3f2 ; floppy motor off |
1009 | mov al,0 |
1019 | mov al,0 |
1010 | out dx,al |
1020 | out dx,al |
1011 | 1021 | ||
1012 | 1022 | ||
1013 | ; SET GRAPHICS |
1023 | ; SET GRAPHICS |
1014 | 1024 | ||
1015 | xor ax, ax |
1025 | xor ax, ax |
1016 | mov es, ax |
1026 | mov es, ax |
1017 | 1027 | ||
1018 | mov ax,[es:0x9008] ; vga & 320x200 |
1028 | mov ax,[es:0x9008] ; vga & 320x200 |
1019 | mov bx, ax |
1029 | mov bx, ax |
1020 | cmp ax,0x13 |
1030 | cmp ax,0x13 |
1021 | je setgr |
1031 | je setgr |
1022 | cmp ax,0x12 |
1032 | cmp ax,0x12 |
1023 | je setgr |
1033 | je setgr |
1024 | mov ax,0x4f02 ; Vesa |
1034 | mov ax,0x4f02 ; Vesa |
1025 | setgr: |
1035 | setgr: |
1026 | int 0x10 |
1036 | int 0x10 |
1027 | test ah,ah |
1037 | test ah,ah |
1028 | mov si, fatalsel |
1038 | mov si, fatalsel |
1029 | jnz sayerr |
1039 | jnz sayerr |
1030 | ; set mode 0x12 graphics registers: |
1040 | ; set mode 0x12 graphics registers: |
1031 | cmp bx,0x12 |
1041 | cmp bx,0x12 |
1032 | jne gmok2 |
1042 | jne gmok2 |
1033 | 1043 | ||
1034 | mov al,0x05 |
1044 | mov al,0x05 |
1035 | mov dx,0x03ce |
1045 | mov dx,0x03ce |
1036 | push dx |
1046 | push dx |
1037 | out dx,al ; select GDC mode register |
1047 | out dx,al ; select GDC mode register |
1038 | mov al,0x02 |
1048 | mov al,0x02 |
1039 | inc dx |
1049 | inc dx |
1040 | out dx,al ; set write mode 2 |
1050 | out dx,al ; set write mode 2 |
1041 | 1051 | ||
1042 | mov al,0x02 |
1052 | mov al,0x02 |
1043 | mov dx,0x03c4 |
1053 | mov dx,0x03c4 |
1044 | out dx,al ; select VGA sequencer map mask register |
1054 | out dx,al ; select VGA sequencer map mask register |
1045 | mov al,0x0f |
1055 | mov al,0x0f |
1046 | inc dx |
1056 | inc dx |
1047 | out dx,al ; set mask for all planes 0-3 |
1057 | out dx,al ; set mask for all planes 0-3 |
1048 | 1058 | ||
1049 | mov al,0x08 |
1059 | mov al,0x08 |
1050 | pop dx |
1060 | pop dx |
1051 | out dx,al ; select GDC bit mask register |
1061 | out dx,al ; select GDC bit mask register |
1052 | ; for writes to 0x03cf |
1062 | ; for writes to 0x03cf |
1053 | gmok2: |
1063 | gmok2: |
1054 | push ds |
1064 | push ds |
1055 | pop es |
1065 | pop es |