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Rev 3430 | Rev 3539 | ||
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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;; |
4 | ;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;; |
4 | ;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;; |
5 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; Distributed under terms of the GNU General Public License ;; |
6 | ;; ;; |
6 | ;; ;; |
7 | ;; BOOTCODE.INC ;; |
7 | ;; BOOTCODE.INC ;; |
8 | ;; ;; |
8 | ;; ;; |
9 | ;; KolibriOS 16-bit loader, ;; |
9 | ;; KolibriOS 16-bit loader, ;; |
10 | ;; based on bootcode for MenuetOS ;; |
10 | ;; based on bootcode for MenuetOS ;; |
11 | ;; ;; |
11 | ;; ;; |
12 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
12 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
13 | 13 | ||
14 | $Revision: 3430 $ |
14 | $Revision: 3539 $ |
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 | test al, al |
45 | test al, al |
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 | sayerr_badsect: |
94 | sayerr_badsect: |
95 | mov si, badsect |
95 | mov si, badsect |
96 | sayerr_plain: |
96 | sayerr_plain: |
97 | call printplain |
97 | call printplain |
98 | jmp $ |
98 | jmp $ |
99 | @@: |
99 | @@: |
100 | pop si |
100 | pop si |
101 | ret |
101 | ret |
102 | 102 | ||
103 | ; convert abs. sector number (AX) to BIOS T:H:S |
103 | ; convert abs. sector number (AX) to BIOS T:H:S |
104 | ; sector number = (abs.sector%BPB_SecPerTrk)+1 |
104 | ; sector number = (abs.sector%BPB_SecPerTrk)+1 |
105 | ; pre.track number = (abs.sector/BPB_SecPerTrk) |
105 | ; pre.track number = (abs.sector/BPB_SecPerTrk) |
106 | ; head number = pre.track number%BPB_NumHeads |
106 | ; head number = pre.track number%BPB_NumHeads |
107 | ; track number = pre.track number/BPB_NumHeads |
107 | ; track number = pre.track number/BPB_NumHeads |
108 | ; Return: cl - sector number |
108 | ; Return: cl - sector number |
109 | ; ch - track number |
109 | ; ch - track number |
110 | ; dl - drive number (0 = a:) |
110 | ; dl - drive number (0 = a:) |
111 | ; dh - head number |
111 | ; dh - head number |
112 | conv_abs_to_THS: |
112 | conv_abs_to_THS: |
113 | push bx |
113 | push bx |
114 | mov bx, word [BPB_SecPerTrk] |
114 | mov bx, word [BPB_SecPerTrk] |
115 | xor dx, dx |
115 | xor dx, dx |
116 | div bx |
116 | div bx |
117 | inc dx |
117 | inc dx |
118 | mov cl, dl ; cl = sector number |
118 | mov cl, dl ; cl = sector number |
119 | mov bx, word [BPB_NumHeads] |
119 | mov bx, word [BPB_NumHeads] |
120 | xor dx, dx |
120 | xor dx, dx |
121 | div bx |
121 | div bx |
122 | ; !!!!!!! ax = track number, dx = head number |
122 | ; !!!!!!! ax = track number, dx = head number |
123 | mov ch, al ; ch=track number |
123 | mov ch, al ; ch=track number |
124 | xchg dh, dl ; dh=head number |
124 | xchg dh, dl ; dh=head number |
125 | mov dl, 0 ; dl=0 (drive 0 (a:)) |
125 | mov dl, 0 ; dl=0 (drive 0 (a:)) |
126 | pop bx |
126 | pop bx |
127 | retn |
127 | retn |
128 | ; needed variables |
128 | ; needed variables |
129 | BPB_SecPerTrk dw 0 ; sectors per track |
129 | BPB_SecPerTrk dw 0 ; sectors per track |
130 | BPB_NumHeads dw 0 ; number of heads |
130 | BPB_NumHeads dw 0 ; number of heads |
131 | BPB_FATSz16 dw 0 ; size of FAT |
131 | BPB_FATSz16 dw 0 ; size of FAT |
132 | BPB_RootEntCnt dw 0 ; count of root dir. entries |
132 | BPB_RootEntCnt dw 0 ; count of root dir. entries |
133 | BPB_BytsPerSec dw 0 ; bytes per sector |
133 | BPB_BytsPerSec dw 0 ; bytes per sector |
134 | BPB_RsvdSecCnt dw 0 ; number of reserved sectors |
134 | BPB_RsvdSecCnt dw 0 ; number of reserved sectors |
135 | BPB_TotSec16 dw 0 ; count of the sectors on the volume |
135 | BPB_TotSec16 dw 0 ; count of the sectors on the volume |
136 | BPB_SecPerClus db 0 ; number of sectors per cluster |
136 | BPB_SecPerClus db 0 ; number of sectors per cluster |
137 | BPB_NumFATs db 0 ; number of FAT tables |
137 | BPB_NumFATs db 0 ; number of FAT tables |
138 | abs_sector_adj dw 0 ; adjustment to make abs. sector number |
138 | abs_sector_adj dw 0 ; adjustment to make abs. sector number |
139 | end_of_FAT dw 0 ; end of FAT table |
139 | end_of_FAT dw 0 ; end of FAT table |
140 | FirstDataSector dw 0 ; begin of data |
140 | FirstDataSector dw 0 ; begin of data |
141 | 141 | ||
142 | ;========================================================================= |
142 | ;========================================================================= |
143 | ; |
143 | ; |
144 | ; 16 BIT CODE |
144 | ; 16 BIT CODE |
145 | ; |
145 | ; |
146 | ;========================================================================= |
146 | ;========================================================================= |
147 | 147 | ||
148 | include 'bootvesa.inc' ;Include source for boot vesa |
148 | include 'bootvesa.inc' ;Include source for boot vesa |
149 | if defined extended_primary_loader |
149 | if defined extended_primary_loader |
150 | include 'parsers.inc' |
150 | include 'parsers.inc' |
151 | end if |
151 | end if |
152 | 152 | ||
153 | start_of_code: |
153 | start_of_code: |
154 | 154 | ||
155 | if defined extended_primary_loader |
155 | if defined extended_primary_loader |
156 | ; save data from primary loader |
156 | ; save data from primary loader |
157 | mov word [cs:bootcallback], si |
157 | mov word [cs:bootcallback], si |
158 | mov word [cs:bootcallback+2], ds |
158 | mov word [cs:bootcallback+2], ds |
159 | push cs |
159 | push cs |
160 | pop ds |
160 | pop ds |
161 | mov [bootdevice], ax |
161 | mov [bootdevice], ax |
162 | mov [bootfs], bx |
162 | mov [bootfs], bx |
163 | 163 | ||
164 | ; set up stack |
164 | ; set up stack |
165 | mov ax, 3000h |
165 | mov ax, 3000h |
166 | mov ss, ax |
166 | mov ss, ax |
167 | mov sp, 0EC00h |
167 | mov sp, 0EC00h |
168 | 168 | ||
169 | ; try to load configuration file |
169 | ; try to load configuration file |
170 | mov ax, 1 |
170 | mov ax, 1 |
171 | mov di, config_file_struct |
171 | mov di, config_file_struct |
172 | call [bootcallback] |
172 | call [bootcallback] |
173 | cld |
173 | cld |
174 | push cs |
174 | push cs |
175 | pop es |
175 | pop es |
176 | ; bx=0 - ok, bx=1 - part of file loaded, assume this is ok |
176 | ; bx=0 - ok, bx=1 - part of file loaded, assume this is ok |
177 | cmp bx, 1 |
177 | cmp bx, 1 |
178 | ja .config_bad |
178 | ja .config_bad |
179 | ; configuration file was loaded, parse |
179 | ; configuration file was loaded, parse |
180 | ; if length is too big, use first 0FFFFh bytes |
180 | ; if length is too big, use first 0FFFFh bytes |
181 | test dx, dx |
181 | test dx, dx |
182 | jz @f |
182 | jz @f |
183 | mov ax, 0FFFFh |
183 | mov ax, 0FFFFh |
184 | @@: |
184 | @@: |
185 | ; ds:si will be pointer to current data, dx = limit |
185 | ; ds:si will be pointer to current data, dx = limit |
186 | xchg ax, dx |
186 | xchg ax, dx |
187 | push 4000h |
187 | push 4000h |
188 | pop ds |
188 | pop ds |
189 | xor si, si |
189 | xor si, si |
190 | .parse_loop: |
190 | .parse_loop: |
191 | ; skip spaces |
191 | ; skip spaces |
192 | cmp si, dx |
192 | cmp si, dx |
193 | jae .parse_done |
193 | jae .parse_done |
194 | lodsb |
194 | lodsb |
195 | cmp al, ' ' |
195 | cmp al, ' ' |
196 | jbe .parse_loop |
196 | jbe .parse_loop |
197 | dec si |
197 | dec si |
198 | ; loop over all possible configuration values |
198 | ; loop over all possible configuration values |
199 | mov bx, config_file_variables |
199 | mov bx, config_file_variables |
200 | .find_variant: |
200 | .find_variant: |
201 | ; get length |
201 | ; get length |
202 | mov cx, [es:bx] |
202 | mov cx, [es:bx] |
203 | ; zero length = end of list |
203 | ; zero length = end of list |
204 | jecxz .find_newline |
204 | jecxz .find_newline |
205 | ; skip over length |
205 | ; skip over length |
206 | inc bx |
206 | inc bx |
207 | inc bx |
207 | inc bx |
208 | mov di, bx |
208 | mov di, bx |
209 | ; skip over string |
209 | ; skip over string |
210 | add bx, cx |
210 | add bx, cx |
211 | ; test whether we have at least cx symbols left |
211 | ; test whether we have at least cx symbols left |
212 | mov ax, cx |
212 | mov ax, cx |
213 | add ax, si |
213 | add ax, si |
214 | jc .next_variant1 |
214 | jc .next_variant1 |
215 | cmp ax, dx |
215 | cmp ax, dx |
216 | jae .next_variant1 |
216 | jae .next_variant1 |
217 | ; save current position |
217 | ; save current position |
218 | push si |
218 | push si |
219 | ; compare strings |
219 | ; compare strings |
220 | repz cmpsb |
220 | repz cmpsb |
221 | jnz .next_variant2 |
221 | jnz .next_variant2 |
222 | ; strings are equal; look for "=" with possible spaces before and after |
222 | ; strings are equal; look for "=" with possible spaces before and after |
223 | @@: |
223 | @@: |
224 | cmp si, dx |
224 | cmp si, dx |
225 | jae .next_variant2 |
225 | jae .next_variant2 |
226 | lodsb |
226 | lodsb |
227 | cmp al, ' ' |
227 | cmp al, ' ' |
228 | jbe @b |
228 | jbe @b |
229 | cmp al, '=' |
229 | cmp al, '=' |
230 | jnz .next_variant2 |
230 | jnz .next_variant2 |
231 | ; ok, we found the true variant |
231 | ; ok, we found the true variant |
232 | ; ignore saved position on the stack |
232 | ; ignore saved position on the stack |
233 | pop ax |
233 | pop ax |
234 | ; call the parser |
234 | ; call the parser |
235 | call word [es:bx] |
235 | call word [es:bx] |
236 | ; line parsed, find next |
236 | ; line parsed, find next |
237 | .find_newline: |
237 | .find_newline: |
238 | cmp si, dx |
238 | cmp si, dx |
239 | jae .parse_done |
239 | jae .parse_done |
240 | lodsb |
240 | lodsb |
241 | cmp al, 13 |
241 | cmp al, 13 |
242 | jz .parse_loop |
242 | jz .parse_loop |
243 | cmp al, 10 |
243 | cmp al, 10 |
244 | jz .parse_loop |
244 | jz .parse_loop |
245 | jmp .find_newline |
245 | jmp .find_newline |
246 | .next_variant2: |
246 | .next_variant2: |
247 | ; continue to the next variant, restoring current position |
247 | ; continue to the next variant, restoring current position |
248 | pop si |
248 | pop si |
249 | .next_variant1: |
249 | .next_variant1: |
250 | ; continue to the next variant |
250 | ; continue to the next variant |
251 | ; skip over the parser |
251 | ; skip over the parser |
252 | inc bx |
252 | inc bx |
253 | inc bx |
253 | inc bx |
254 | jmp .find_variant |
254 | jmp .find_variant |
255 | .parse_done: |
255 | .parse_done: |
256 | .config_bad: |
256 | .config_bad: |
257 | 257 | ||
258 | ; set up segment registers |
258 | ; set up segment registers |
259 | push cs |
259 | push cs |
260 | pop ds |
260 | pop ds |
261 | else |
261 | else |
262 | cld |
262 | cld |
263 | ; \begin{diamond}[02.12.2005] |
263 | ; \begin{diamond}[02.12.2005] |
264 | ; if bootloader sets ax = 'KL', then ds:si points to loader block |
264 | ; if bootloader sets ax = 'KL', then ds:si points to loader block |
265 | cmp ax, 'KL' |
265 | cmp ax, 'KL' |
266 | jnz @f |
266 | jnz @f |
267 | mov word [cs:cfgmanager.loader_block], si |
267 | mov word [cs:cfgmanager.loader_block], si |
268 | mov word [cs:cfgmanager.loader_block+2], ds |
268 | mov word [cs:cfgmanager.loader_block+2], ds |
269 | @@: |
269 | @@: |
270 | ; \end{diamond}[02.12.2005] |
270 | ; \end{diamond}[02.12.2005] |
271 | 271 | ||
272 | ; if bootloader sets cx = 'HA' and dx = 'RD', then bx contains identifier of source hard disk |
272 | ; if bootloader sets cx = 'HA' and dx = 'RD', then bx contains identifier of source hard disk |
273 | ; (see comment to bx_from_load) |
273 | ; (see comment to bx_from_load) |
274 | cmp cx, 'HA' |
274 | cmp cx, 'HA' |
275 | jnz no_hd_load |
275 | jnz no_hd_load |
276 | cmp dx, 'RD' |
276 | cmp dx, 'RD' |
277 | jnz no_hd_load |
277 | jnz no_hd_load |
278 | mov word [cs:bx_from_load], bx ; {SPraid}[13.03.2007] |
278 | mov word [cs:bx_from_load], bx ; {SPraid}[13.03.2007] |
279 | no_hd_load: |
279 | no_hd_load: |
280 | 280 | ||
281 | ; set up stack |
281 | ; set up stack |
282 | mov ax, 3000h |
282 | mov ax, 3000h |
283 | mov ss, ax |
283 | mov ss, ax |
284 | mov sp, 0EC00h |
284 | mov sp, 0EC00h |
285 | ; set up segment registers |
285 | ; set up segment registers |
286 | push cs |
286 | push cs |
287 | pop ds |
287 | pop ds |
288 | push cs |
288 | push cs |
289 | pop es |
289 | pop es |
290 | end if |
290 | end if |
291 | 291 | ||
292 | ; set videomode |
292 | ; set videomode |
293 | mov ax, 3 |
293 | mov ax, 3 |
294 | int 0x10 |
294 | int 0x10 |
295 | 295 | ||
296 | if lang eq ru |
296 | if lang eq ru |
297 | ; Load & set russian VGA font (RU.INC) |
297 | ; Load & set russian VGA font (RU.INC) |
298 | mov bp, RU_FNT1 ; RU_FNT1 - First part |
298 | mov bp, RU_FNT1 ; RU_FNT1 - First part |
299 | mov bx, 1000h ; 768 bytes |
299 | mov bx, 1000h ; 768 bytes |
300 | mov cx, 30h ; 48 symbols |
300 | mov cx, 30h ; 48 symbols |
301 | mov dx, 80h ; 128 - position of first symbol |
301 | mov dx, 80h ; 128 - position of first symbol |
302 | mov ax, 1100h |
302 | mov ax, 1100h |
303 | int 10h |
303 | int 10h |
304 | 304 | ||
305 | mov bp, RU_FNT2 ; RU_FNT2 -Second part |
305 | mov bp, RU_FNT2 ; RU_FNT2 -Second part |
306 | mov bx, 1000h ; 512 bytes |
306 | mov bx, 1000h ; 512 bytes |
307 | mov cx, 20h ; 32 symbols |
307 | mov cx, 20h ; 32 symbols |
308 | mov dx, 0E0h ; 224 - position of first symbol |
308 | mov dx, 0E0h ; 224 - position of first symbol |
309 | mov ax, 1100h |
309 | mov ax, 1100h |
310 | int 10h |
310 | int 10h |
311 | ; End set VGA russian font |
311 | ; End set VGA russian font |
312 | else if lang eq et |
312 | else if lang eq et |
313 | mov bp, ET_FNT ; ET_FNT1 |
313 | mov bp, ET_FNT ; ET_FNT1 |
314 | mov bx, 1000h ; |
314 | mov bx, 1000h ; |
315 | mov cx, 255 ; 256 symbols |
315 | mov cx, 255 ; 256 symbols |
316 | xor dx, dx ; 0 - position of first symbol |
316 | xor dx, dx ; 0 - position of first symbol |
317 | mov ax, 1100h |
317 | mov ax, 1100h |
318 | int 10h |
318 | int 10h |
319 | end if |
319 | end if |
320 | 320 | ||
321 | ; draw frames |
321 | ; draw frames |
322 | push 0xb800 |
322 | push 0xb800 |
323 | pop es |
323 | pop es |
324 | xor di, di |
324 | xor di, di |
325 | mov ah, 1*16+15 |
325 | mov ah, 1*16+15 |
326 | 326 | ||
327 | ; draw top |
327 | ; draw top |
328 | mov si, d80x25_top |
328 | mov si, d80x25_top |
329 | mov cx, d80x25_top_num * 80 |
329 | mov cx, d80x25_top_num * 80 |
330 | @@: |
330 | @@: |
331 | lodsb |
331 | lodsb |
332 | stosw |
332 | stosw |
333 | loop @b |
333 | loop @b |
334 | ; draw spaces |
334 | ; draw spaces |
335 | mov si, space_msg |
335 | mov si, space_msg |
336 | mov dx, 25 - d80x25_top_num - d80x25_bottom_num |
336 | mov dx, 25 - d80x25_top_num - d80x25_bottom_num |
337 | dfl1: |
337 | dfl1: |
338 | push si |
338 | push si |
339 | mov cx, 80 |
339 | mov cx, 80 |
340 | @@: |
340 | @@: |
341 | lodsb |
341 | lodsb |
342 | stosw |
342 | stosw |
343 | loop @b |
343 | loop @b |
344 | pop si |
344 | pop si |
345 | dec dx |
345 | dec dx |
346 | jnz dfl1 |
346 | jnz dfl1 |
347 | ; draw bottom |
347 | ; draw bottom |
348 | mov si, d80x25_bottom |
348 | mov si, d80x25_bottom |
349 | mov cx, d80x25_bottom_num * 80 |
349 | mov cx, d80x25_bottom_num * 80 |
350 | @@: |
350 | @@: |
351 | lodsb |
351 | lodsb |
352 | stosw |
352 | stosw |
353 | loop @b |
353 | loop @b |
354 | 354 | ||
355 | mov byte [space_msg+80], 0 ; now space_msg is null terminated |
355 | mov byte [space_msg+80], 0 ; now space_msg is null terminated |
356 | 356 | ||
357 | _setcursor d80x25_top_num,0 |
357 | _setcursor d80x25_top_num,0 |
358 | 358 | ||
359 | 359 | ||
360 | ; TEST FOR 386+ |
360 | ; TEST FOR 386+ |
361 | 361 | ||
362 | mov bx, 0x4000 |
362 | mov bx, 0x4000 |
363 | pushf |
363 | pushf |
364 | pop ax |
364 | pop ax |
365 | mov dx, ax |
365 | mov dx, ax |
366 | xor ax, bx |
366 | xor ax, bx |
367 | push ax |
367 | push ax |
368 | popf |
368 | popf |
369 | pushf |
369 | pushf |
370 | pop ax |
370 | pop ax |
371 | and ax, bx |
371 | and ax, bx |
372 | and dx, bx |
372 | and dx, bx |
373 | cmp ax, dx |
373 | cmp ax, dx |
374 | jnz cpugood |
374 | jnz cpugood |
375 | mov si, not386 |
375 | mov si, not386 |
376 | sayerr: |
376 | sayerr: |
377 | call print |
377 | call print |
378 | jmp $ |
378 | jmp $ |
379 | cpugood: |
379 | cpugood: |
380 | 380 | ||
381 | push 0 |
381 | push 0 |
382 | popf |
382 | popf |
383 | sti |
383 | sti |
384 | 384 | ||
385 | ; set up esp |
385 | ; set up esp |
386 | movzx esp, sp |
386 | movzx esp, sp |
387 | 387 | ||
388 | push 0 |
388 | push 0 |
389 | pop es |
389 | pop es |
390 | and word [es:BOOT_IDE_BASE_ADDR], 0 |
390 | and word [es:BOOT_IDE_BASE_ADDR], 0 |
391 | ; \begin{Mario79} |
391 | ; \begin{Mario79} |
392 | ; find HDD IDE DMA PCI device |
392 | ; find HDD IDE DMA PCI device |
393 | ; check for PCI BIOS |
393 | ; check for PCI BIOS |
394 | mov ax, 0xB101 |
394 | mov ax, 0xB101 |
395 | int 0x1A |
395 | int 0x1A |
396 | jc .nopci |
396 | jc .nopci |
397 | cmp edx, 'PCI ' |
397 | cmp edx, 'PCI ' |
398 | jnz .nopci |
398 | jnz .nopci |
399 | ; find PCI class code |
399 | ; find PCI class code |
400 | ; class 1 = mass storage |
400 | ; class 1 = mass storage |
401 | ; subclass 1 = IDE controller |
401 | ; subclass 1 = IDE controller |
402 | ; a) class 1, subclass 1, programming interface 0x80 |
402 | ; a) class 1, subclass 1, programming interface 0x80 |
403 | mov ax, 0xB103 |
403 | mov ax, 0xB103 |
404 | mov ecx, 1*10000h + 1*100h + 0x80 |
404 | mov ecx, 1*10000h + 1*100h + 0x80 |
405 | xor si, si ; device index = 0 |
405 | xor si, si ; device index = 0 |
406 | int 0x1A |
406 | int 0x1A |
407 | jnc .found |
407 | jnc .found |
408 | ; b) class 1, subclass 1, programming interface 0x8A |
408 | ; b) class 1, subclass 1, programming interface 0x8A |
409 | mov ax, 0xB103 |
409 | mov ax, 0xB103 |
410 | mov ecx, 1*10000h + 1*100h + 0x8A |
410 | mov ecx, 1*10000h + 1*100h + 0x8A |
411 | xor si, si ; device index = 0 |
411 | xor si, si ; device index = 0 |
412 | int 0x1A |
412 | int 0x1A |
413 | jnc .found |
413 | jnc .found |
414 | ; c) class 1, subclass 1, programming interface 0x85 |
414 | ; c) class 1, subclass 1, programming interface 0x85 |
415 | mov ax, 0xB103 |
415 | mov ax, 0xB103 |
416 | mov ecx, 1*10000h + 1*100h + 0x85 |
416 | mov ecx, 1*10000h + 1*100h + 0x85 |
417 | xor si, si |
417 | xor si, si |
418 | int 0x1A |
418 | int 0x1A |
419 | jc .nopci |
419 | jc .nopci |
420 | .found: |
420 | .found: |
421 | ; get memory base |
421 | ; get memory base |
422 | mov ax, 0xB10A |
422 | mov ax, 0xB10A |
423 | mov di, 0x20 ; memory base is config register at 0x20 |
423 | mov di, 0x20 ; memory base is config register at 0x20 |
424 | int 0x1A |
424 | int 0x1A |
425 | jc .nopci |
425 | jc .nopci |
426 | and cx, 0xFFF0 ; clear address decode type |
426 | and cx, 0xFFF0 ; clear address decode type |
427 | mov [es:BOOT_IDE_BASE_ADDR], cx |
427 | mov [es:BOOT_IDE_BASE_ADDR], cx |
428 | .nopci: |
428 | .nopci: |
429 | ; \end{Mario79} |
429 | ; \end{Mario79} |
430 | 430 | ||
431 | mov al, 0xf6 ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå |
431 | mov al, 0xf6 ; Сброс клавиатуры, разрешить сканирование |
432 | out 0x60, al |
432 | out 0x60, al |
433 | xor cx, cx |
433 | xor cx, cx |
434 | wait_loop: ; variant 2 |
434 | wait_loop: ; variant 2 |
435 | ; reading state of port of 8042 controller |
435 | ; reading state of port of 8042 controller |
436 | in al, 64h |
436 | in al, 64h |
437 | and al, 00000010b ; ready flag |
437 | and al, 00000010b ; ready flag |
438 | ; wait until 8042 controller is ready |
438 | ; wait until 8042 controller is ready |
439 | loopnz wait_loop |
439 | loopnz wait_loop |
440 | 440 | ||
441 | ;;;/diamond today 5.02.2008 |
441 | ;;;/diamond today 5.02.2008 |
442 | ; set keyboard typematic rate & delay |
442 | ; set keyboard typematic rate & delay |
443 | mov al, 0xf3 |
443 | mov al, 0xf3 |
444 | out 0x60, al |
444 | out 0x60, al |
445 | xor cx, cx |
445 | xor cx, cx |
446 | @@: |
446 | @@: |
447 | in al, 64h |
447 | in al, 64h |
448 | test al, 2 |
448 | test al, 2 |
449 | loopnz @b |
449 | loopnz @b |
450 | mov al, 0 |
450 | mov al, 0 |
451 | out 0x60, al |
451 | out 0x60, al |
452 | xor cx, cx |
452 | xor cx, cx |
453 | @@: |
453 | @@: |
454 | in al, 64h |
454 | in al, 64h |
455 | test al, 2 |
455 | test al, 2 |
456 | loopnz @b |
456 | loopnz @b |
457 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
457 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
458 | ; --------------- APM --------------------- |
458 | ; --------------- APM --------------------- |
459 | and word [es:BOOT_APM_VERSION], 0 ; ver = 0.0 (APM not found) |
459 | and word [es:BOOT_APM_VERSION], 0 ; ver = 0.0 (APM not found) |
460 | mov ax, 0x5300 |
460 | mov ax, 0x5300 |
461 | xor bx, bx |
461 | xor bx, bx |
462 | int 0x15 |
462 | int 0x15 |
463 | jc apm_end ; APM not found |
463 | jc apm_end ; APM not found |
464 | test cx, 2 |
464 | test cx, 2 |
465 | jz apm_end ; APM 32-bit protected-mode interface not supported |
465 | jz apm_end ; APM 32-bit protected-mode interface not supported |
466 | mov [es:BOOT_APM_VERSION], ax ; Save APM Version |
466 | mov [es:BOOT_APM_VERSION], ax ; Save APM Version |
467 | mov [es:BOOT_APM_FLAGS], cx ; Save APM flags |
467 | mov [es:BOOT_APM_FLAGS], cx ; Save APM flags |
468 | 468 | ||
469 | ; Write APM ver ---- |
469 | ; Write APM ver ---- |
470 | and ax, 0xf0f |
470 | and ax, 0xf0f |
471 | add ax, '00' |
471 | add ax, '00' |
472 | mov si, msg_apm |
472 | mov si, msg_apm |
473 | mov [si + 5], ah |
473 | mov [si + 5], ah |
474 | mov [si + 7], al |
474 | mov [si + 7], al |
475 | _setcursor 0, 3 |
475 | _setcursor 0, 3 |
476 | call printplain |
476 | call printplain |
477 | ; ------------------ |
477 | ; ------------------ |
478 | 478 | ||
479 | mov ax, 0x5304 ; Disconnect interface |
479 | mov ax, 0x5304 ; Disconnect interface |
480 | xor bx, bx |
480 | xor bx, bx |
481 | int 0x15 |
481 | int 0x15 |
482 | mov ax, 0x5303 ; Connect 32 bit mode interface |
482 | mov ax, 0x5303 ; Connect 32 bit mode interface |
483 | xor bx, bx |
483 | xor bx, bx |
484 | int 0x15 |
484 | int 0x15 |
485 | 485 | ||
486 | mov [es:BOOT_APM_ENTRY], ebx |
486 | mov [es:BOOT_APM_ENTRY], ebx |
487 | mov [es:BOOT_APM_CODE_32], ax |
487 | mov [es:BOOT_APM_CODE_32], ax |
488 | mov [es:BOOT_APM_CODE_16], cx |
488 | mov [es:BOOT_APM_CODE_16], cx |
489 | mov [es:BOOT_APM_DATA_16], dx |
489 | mov [es:BOOT_APM_DATA_16], dx |
490 | 490 | ||
491 | apm_end: |
491 | apm_end: |
492 | _setcursor d80x25_top_num, 0 |
492 | _setcursor d80x25_top_num, 0 |
493 | 493 | ||
494 | if ~ defined extended_primary_loader |
494 | if ~ defined extended_primary_loader |
495 | ;CHECK current of code |
495 | ;CHECK current of code |
496 | cmp [cfgmanager.loader_block], -1 |
496 | cmp [cfgmanager.loader_block], -1 |
497 | jz noloaderblock |
497 | jz noloaderblock |
498 | les bx, [cfgmanager.loader_block] |
498 | les bx, [cfgmanager.loader_block] |
499 | cmp byte [es:bx], 1 |
499 | cmp byte [es:bx], 1 |
500 | mov si, loader_block_error |
500 | mov si, loader_block_error |
501 | jnz sayerr |
501 | jnz sayerr |
502 | push 0 |
502 | push 0 |
503 | pop es |
503 | pop es |
504 | end if |
504 | end if |
505 | 505 | ||
506 | noloaderblock: |
506 | noloaderblock: |
507 | ; DISPLAY VESA INFORMATION |
507 | ; DISPLAY VESA INFORMATION |
508 | call print_vesa_info |
508 | call print_vesa_info |
509 | call calc_vmodes_table |
509 | call calc_vmodes_table |
510 | call check_first_parm ;check and enable cursor_pos |
510 | call check_first_parm ;check and enable cursor_pos |
511 | 511 | ||
512 | ; \begin{diamond}[30.11.2005] |
512 | ; \begin{diamond}[30.11.2005] |
513 | cfgmanager: |
513 | cfgmanager: |
514 | ; settings: |
514 | ; settings: |
515 | ; a) preboot_graph = graphical mode |
515 | ; a) preboot_graph = graphical mode |
516 | ; preboot_gprobe = probe this mode? |
516 | ; preboot_gprobe = probe this mode? |
517 | ; b) preboot_dma = use DMA access? |
517 | ; b) preboot_dma = use DMA access? |
518 | ; c) preboot_vrrm = use VRR? |
518 | ; c) preboot_vrrm = use VRR? |
519 | ; d) preboot_device = from what boot? |
519 | ; d) preboot_device = from what boot? |
520 | 520 | ||
521 | ; determine default settings |
521 | ; determine default settings |
522 | if ~ defined extended_primary_loader |
522 | if ~ defined extended_primary_loader |
523 | mov [.bSettingsChanged], 0 |
523 | mov [.bSettingsChanged], 0 |
524 | end if |
524 | end if |
525 | 525 | ||
526 | ;.preboot_gr_end: |
526 | ;.preboot_gr_end: |
527 | mov di, preboot_device |
527 | mov di, preboot_device |
528 | ; if image in memory is present and [preboot_device] is uninitialized, |
528 | ; if image in memory is present and [preboot_device] is uninitialized, |
529 | ; set it to use this preloaded image |
529 | ; set it to use this preloaded image |
530 | cmp byte [di], 0 |
530 | cmp byte [di], 0 |
531 | jnz .preboot_device_inited |
531 | jnz .preboot_device_inited |
532 | if defined extended_primary_loader |
532 | if defined extended_primary_loader |
533 | inc byte [di] |
533 | inc byte [di] |
534 | cmp byte [bootdevice], 'f' ; floppy? |
534 | cmp byte [bootdevice], 'f' ; floppy? |
535 | jz .preboot_device_inited |
535 | jz .preboot_device_inited |
536 | inc byte [di] |
536 | inc byte [di] |
537 | else |
537 | else |
538 | cmp [.loader_block], -1 |
538 | cmp [.loader_block], -1 |
539 | jz @f |
539 | jz @f |
540 | les bx, [.loader_block] |
540 | les bx, [.loader_block] |
541 | test byte [es:bx+1], 1 |
541 | test byte [es:bx+1], 1 |
542 | jz @f |
542 | jz @f |
543 | mov byte [di], 3 |
543 | mov byte [di], 3 |
544 | jmp .preboot_device_inited |
544 | jmp .preboot_device_inited |
545 | @@: |
545 | @@: |
546 | ; otherwise, set [preboot_device] to 1 (default value - boot from floppy) |
546 | ; otherwise, set [preboot_device] to 1 (default value - boot from floppy) |
547 | mov byte [di], 1 |
547 | mov byte [di], 1 |
548 | end if |
548 | end if |
549 | .preboot_device_inited: |
549 | .preboot_device_inited: |
550 | ; following 4 lines set variables to 1 if its current value is 0 |
550 | ; following 4 lines set variables to 1 if its current value is 0 |
551 | cmp byte [di+preboot_dma-preboot_device], 1 |
551 | cmp byte [di+preboot_dma-preboot_device], 1 |
552 | adc byte [di+preboot_dma-preboot_device], 0 |
552 | adc byte [di+preboot_dma-preboot_device], 0 |
553 | cmp byte [di+preboot_biosdisk-preboot_device], 1 |
553 | cmp byte [di+preboot_biosdisk-preboot_device], 1 |
554 | adc byte [di+preboot_biosdisk-preboot_device], 0 |
554 | adc byte [di+preboot_biosdisk-preboot_device], 0 |
555 | ;; default value for VRR is OFF |
555 | ;; default value for VRR is OFF |
556 | ; cmp byte [di+preboot_vrrm-preboot_device], 0 |
556 | ; cmp byte [di+preboot_vrrm-preboot_device], 0 |
557 | ; jnz @f |
557 | ; jnz @f |
558 | ; mov byte [di+preboot_vrrm-preboot_device], 2 |
558 | ; mov byte [di+preboot_vrrm-preboot_device], 2 |
559 | ;@@: |
559 | ;@@: |
560 | ; notify user |
560 | ; notify user |
561 | _setcursor 5,2 |
561 | _setcursor 5,2 |
562 | 562 | ||
563 | mov si, linef |
563 | mov si, linef |
564 | call printplain |
564 | call printplain |
565 | mov si, start_msg |
565 | mov si, start_msg |
566 | call print |
566 | call print |
567 | mov si, time_msg |
567 | mov si, time_msg |
568 | call print |
568 | call print |
569 | ; get start time |
569 | ; get start time |
570 | call .gettime |
570 | call .gettime |
571 | mov [.starttime], eax |
571 | mov [.starttime], eax |
572 | mov word [.timer], .newtimer |
572 | mov word [.timer], .newtimer |
573 | mov word [.timer+2], cs |
573 | mov word [.timer+2], cs |
574 | .printcfg: |
574 | .printcfg: |
575 | 575 | ||
576 | _setcursor 9,0 |
576 | _setcursor 9,0 |
577 | mov si, current_cfg_msg |
577 | mov si, current_cfg_msg |
578 | call print |
578 | call print |
579 | mov si, curvideo_msg |
579 | mov si, curvideo_msg |
580 | call print |
580 | call print |
581 | 581 | ||
582 | call draw_current_vmode |
582 | call draw_current_vmode |
583 | 583 | ||
584 | mov si, usebd_msg |
584 | mov si, usebd_msg |
585 | cmp [preboot_biosdisk], 1 |
585 | cmp [preboot_biosdisk], 1 |
586 | call .say_on_off |
586 | call .say_on_off |
587 | ; mov si, vrrm_msg |
587 | ; mov si, vrrm_msg |
588 | ; cmp [preboot_vrrm], 1 |
588 | ; cmp [preboot_vrrm], 1 |
589 | ; call .say_on_off |
589 | ; call .say_on_off |
590 | mov si, preboot_device_msg |
590 | mov si, preboot_device_msg |
591 | call print |
591 | call print |
592 | mov al, [preboot_device] |
592 | mov al, [preboot_device] |
593 | if defined extended_primary_loader |
593 | if defined extended_primary_loader |
594 | and eax, 3 |
594 | and eax, 3 |
595 | else |
595 | else |
596 | and eax, 7 |
596 | and eax, 7 |
597 | end if |
597 | end if |
598 | mov si, [preboot_device_msgs+eax*2] |
598 | mov si, [preboot_device_msgs+eax*2] |
599 | call printplain |
599 | call printplain |
600 | .show_remarks: |
600 | .show_remarks: |
601 | ; show remarks in gray color |
601 | ; show remarks in gray color |
602 | mov di, ((21-num_remarks)*80 + 2)*2 |
602 | mov di, ((21-num_remarks)*80 + 2)*2 |
603 | push 0xB800 |
603 | push 0xB800 |
604 | pop es |
604 | pop es |
605 | mov cx, num_remarks |
605 | mov cx, num_remarks |
606 | mov si, remarks |
606 | mov si, remarks |
607 | .write_remarks: |
607 | .write_remarks: |
608 | lodsw |
608 | lodsw |
609 | push si |
609 | push si |
610 | xchg ax, si |
610 | xchg ax, si |
611 | mov ah, 1*16+7 ; background: blue (1), foreground: gray (7) |
611 | mov ah, 1*16+7 ; background: blue (1), foreground: gray (7) |
612 | push di |
612 | push di |
613 | .write_remark: |
613 | .write_remark: |
614 | lodsb |
614 | lodsb |
615 | test al, al |
615 | test al, al |
616 | jz @f |
616 | jz @f |
617 | stosw |
617 | stosw |
618 | jmp .write_remark |
618 | jmp .write_remark |
619 | @@: |
619 | @@: |
620 | pop di |
620 | pop di |
621 | pop si |
621 | pop si |
622 | add di, 80*2 |
622 | add di, 80*2 |
623 | loop .write_remarks |
623 | loop .write_remarks |
624 | .wait: |
624 | .wait: |
625 | _setcursor 25,0 ; out of screen |
625 | _setcursor 25,0 ; out of screen |
626 | ; set timer interrupt handler |
626 | ; set timer interrupt handler |
627 | cli |
627 | cli |
628 | push 0 |
628 | push 0 |
629 | pop es |
629 | pop es |
630 | push dword [es:8*4] |
630 | push dword [es:8*4] |
631 | pop dword [.oldtimer] |
631 | pop dword [.oldtimer] |
632 | push dword [.timer] |
632 | push dword [.timer] |
633 | pop dword [es:8*4] |
633 | pop dword [es:8*4] |
634 | ; mov eax, [es:8*4] |
634 | ; mov eax, [es:8*4] |
635 | ; mov [.oldtimer], eax |
635 | ; mov [.oldtimer], eax |
636 | ; mov eax, [.timer] |
636 | ; mov eax, [.timer] |
637 | ; mov [es:8*4], eax |
637 | ; mov [es:8*4], eax |
638 | sti |
638 | sti |
639 | ; wait for keypressed |
639 | ; wait for keypressed |
640 | xor ax, ax |
640 | xor ax, ax |
641 | int 16h |
641 | int 16h |
642 | push ax |
642 | push ax |
643 | ; restore timer interrupt |
643 | ; restore timer interrupt |
644 | ; push 0 |
644 | ; push 0 |
645 | ; pop es |
645 | ; pop es |
646 | mov eax, [.oldtimer] |
646 | mov eax, [.oldtimer] |
647 | mov [es:8*4], eax |
647 | mov [es:8*4], eax |
648 | mov [.timer], eax |
648 | mov [.timer], eax |
649 | 649 | ||
650 | _setcursor 7,0 |
650 | _setcursor 7,0 |
651 | mov si, space_msg |
651 | mov si, space_msg |
652 | call printplain |
652 | call printplain |
653 | ; clear remarks and restore normal attributes |
653 | ; clear remarks and restore normal attributes |
654 | push es |
654 | push es |
655 | mov di, ((21-num_remarks)*80 + 2)*2 |
655 | mov di, ((21-num_remarks)*80 + 2)*2 |
656 | push 0xB800 |
656 | push 0xB800 |
657 | pop es |
657 | pop es |
658 | mov cx, num_remarks |
658 | mov cx, num_remarks |
659 | mov ax, ' ' + (1*16 + 15)*100h |
659 | mov ax, ' ' + (1*16 + 15)*100h |
660 | @@: |
660 | @@: |
661 | push cx |
661 | push cx |
662 | mov cx, 76 |
662 | mov cx, 76 |
663 | rep stosw |
663 | rep stosw |
664 | pop cx |
664 | pop cx |
665 | add di, 4*2 |
665 | add di, 4*2 |
666 | loop @b |
666 | loop @b |
667 | pop es |
667 | pop es |
668 | pop ax |
668 | pop ax |
669 | ; switch on key |
669 | ; switch on key |
670 | cmp al, 13 |
670 | cmp al, 13 |
671 | jz .continue |
671 | jz .continue |
672 | or al, 20h |
672 | or al, 20h |
673 | cmp al, 'a' |
673 | cmp al, 'a' |
674 | jz .change_a |
674 | jz .change_a |
675 | cmp al, 'b' |
675 | cmp al, 'b' |
676 | jz .change_b |
676 | jz .change_b |
677 | ; cmp al, 'c' |
677 | ; cmp al, 'c' |
678 | ; jz .change_c |
678 | ; jz .change_c |
679 | cmp al, 'c' ; 'd' |
679 | cmp al, 'c' ; 'd' |
680 | jnz .show_remarks |
680 | jnz .show_remarks |
681 | _setcursor 15,0 |
681 | _setcursor 15,0 |
682 | mov si, bdev |
682 | mov si, bdev |
683 | call print |
683 | call print |
684 | if defined extended_primary_loader |
684 | if defined extended_primary_loader |
685 | mov bx, '12' |
685 | mov bx, '12' |
686 | else |
686 | else |
687 | mov bx, '14' |
687 | mov bx, '14' |
688 | end if |
688 | end if |
689 | call getkey |
689 | call getkey |
690 | mov [preboot_device], al |
690 | mov [preboot_device], al |
691 | _setcursor 13,0 |
691 | _setcursor 13,0 |
692 | .d: |
692 | .d: |
693 | if ~ defined extended_primary_loader |
693 | if ~ defined extended_primary_loader |
694 | mov [.bSettingsChanged], 1 |
694 | mov [.bSettingsChanged], 1 |
695 | end if |
695 | end if |
696 | call clear_vmodes_table ;clear vmodes_table |
696 | call clear_vmodes_table ;clear vmodes_table |
697 | jmp .printcfg |
697 | jmp .printcfg |
698 | .change_a: |
698 | .change_a: |
699 | .loops: |
699 | .loops: |
700 | call draw_vmodes_table |
700 | call draw_vmodes_table |
701 | _setcursor 25,0 ; out of screen |
701 | _setcursor 25,0 ; out of screen |
702 | xor ax, ax |
702 | xor ax, ax |
703 | int 0x16 |
703 | int 0x16 |
704 | ; call clear_table_cursor ;clear current position of cursor |
704 | ; call clear_table_cursor ;clear current position of cursor |
705 | 705 | ||
706 | mov si, word [cursor_pos] |
706 | mov si, word [cursor_pos] |
707 | 707 | ||
708 | cmp ah, 0x48;x,0x48E0 ; up |
708 | cmp ah, 0x48;x,0x48E0 ; up |
709 | jne .down |
709 | jne .down |
710 | cmp si, modes_table |
710 | cmp si, modes_table |
711 | jbe .loops |
711 | jbe .loops |
712 | sub word [cursor_pos], size_of_step |
712 | sub word [cursor_pos], size_of_step |
713 | jmp .loops |
713 | jmp .loops |
714 | 714 | ||
715 | .down: |
715 | .down: |
716 | cmp ah, 0x50;x,0x50E0 ; down |
716 | cmp ah, 0x50;x,0x50E0 ; down |
717 | jne .pgup |
717 | jne .pgup |
718 | cmp word[es:si+10], -1 |
718 | cmp word[es:si+10], -1 |
719 | je .loops |
719 | je .loops |
720 | add word [cursor_pos], size_of_step |
720 | add word [cursor_pos], size_of_step |
721 | jmp .loops |
721 | jmp .loops |
722 | 722 | ||
723 | .pgup: |
723 | .pgup: |
724 | cmp ah, 0x49 ; page up |
724 | cmp ah, 0x49 ; page up |
725 | jne .pgdn |
725 | jne .pgdn |
726 | sub si, size_of_step*long_v_table |
726 | sub si, size_of_step*long_v_table |
727 | cmp si, modes_table |
727 | cmp si, modes_table |
728 | jae @f |
728 | jae @f |
729 | mov si, modes_table |
729 | mov si, modes_table |
730 | @@: |
730 | @@: |
731 | mov word [cursor_pos], si |
731 | mov word [cursor_pos], si |
732 | mov si, word [home_cursor] |
732 | mov si, word [home_cursor] |
733 | sub si, size_of_step*long_v_table |
733 | sub si, size_of_step*long_v_table |
734 | cmp si, modes_table |
734 | cmp si, modes_table |
735 | jae @f |
735 | jae @f |
736 | mov si, modes_table |
736 | mov si, modes_table |
737 | @@: |
737 | @@: |
738 | mov word [home_cursor], si |
738 | mov word [home_cursor], si |
739 | jmp .loops |
739 | jmp .loops |
740 | 740 | ||
741 | .pgdn: |
741 | .pgdn: |
742 | cmp ah, 0x51 ; page down |
742 | cmp ah, 0x51 ; page down |
743 | jne .enter |
743 | jne .enter |
744 | mov ax, [end_cursor] |
744 | mov ax, [end_cursor] |
745 | add si, size_of_step*long_v_table |
745 | add si, size_of_step*long_v_table |
746 | cmp si, ax |
746 | cmp si, ax |
747 | jb @f |
747 | jb @f |
748 | mov si, ax |
748 | mov si, ax |
749 | sub si, size_of_step |
749 | sub si, size_of_step |
750 | @@: |
750 | @@: |
751 | mov word [cursor_pos], si |
751 | mov word [cursor_pos], si |
752 | mov si, word [home_cursor] |
752 | mov si, word [home_cursor] |
753 | sub ax, size_of_step*long_v_table |
753 | sub ax, size_of_step*long_v_table |
754 | add si, size_of_step*long_v_table |
754 | add si, size_of_step*long_v_table |
755 | cmp si, ax |
755 | cmp si, ax |
756 | jb @f |
756 | jb @f |
757 | mov si, ax |
757 | mov si, ax |
758 | @@: |
758 | @@: |
759 | mov word [home_cursor], si |
759 | mov word [home_cursor], si |
760 | jmp .loops |
760 | jmp .loops |
761 | 761 | ||
762 | .enter: |
762 | .enter: |
763 | cmp al, 0x0D;x,0x1C0D ; enter |
763 | cmp al, 0x0D;x,0x1C0D ; enter |
764 | jne .loops |
764 | jne .loops |
765 | push word [cursor_pos] |
765 | push word [cursor_pos] |
766 | pop bp |
766 | pop bp |
767 | push word [es:bp] |
767 | push word [es:bp] |
768 | pop word [x_save] |
768 | pop word [x_save] |
769 | push word [es:bp+2] |
769 | push word [es:bp+2] |
770 | pop word [y_save] |
770 | pop word [y_save] |
771 | push word [es:bp+6] |
771 | push word [es:bp+6] |
772 | pop word [number_vm] |
772 | pop word [number_vm] |
773 | mov word [preboot_graph], bp ;save choose |
773 | mov word [preboot_graph], bp ;save choose |
774 | 774 | ||
775 | jmp .d |
775 | jmp .d |
776 | 776 | ||
777 | .change_b: |
777 | .change_b: |
778 | _setcursor 15,0 |
778 | _setcursor 15,0 |
779 | ; mov si, ask_dma |
779 | ; mov si, ask_dma |
780 | ; call print |
780 | ; call print |
781 | ; mov bx, '13' |
781 | ; mov bx, '13' |
782 | ; call getkey |
782 | ; call getkey |
783 | ; mov [preboot_dma], al |
783 | ; mov [preboot_dma], al |
784 | mov si, ask_bd |
784 | mov si, ask_bd |
785 | call print |
785 | call print |
786 | mov bx, '12' |
786 | mov bx, '12' |
787 | call getkey |
787 | call getkey |
788 | mov [preboot_biosdisk], al |
788 | mov [preboot_biosdisk], al |
789 | _setcursor 11,0 |
789 | _setcursor 11,0 |
790 | jmp .d |
790 | jmp .d |
791 | ;.change_c: |
791 | ;.change_c: |
792 | ; _setcursor 15,0 |
792 | ; _setcursor 15,0 |
793 | ; mov si, vrrmprint |
793 | ; mov si, vrrmprint |
794 | ; call print |
794 | ; call print |
795 | ; mov bx, '12' |
795 | ; mov bx, '12' |
796 | ; call getkey |
796 | ; call getkey |
797 | ; mov [preboot_vrrm], al |
797 | ; mov [preboot_vrrm], al |
798 | ; _setcursor 12,0 |
798 | ; _setcursor 12,0 |
799 | ; jmp .d |
799 | ; jmp .d |
800 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
800 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
801 | .say_on_off: |
801 | .say_on_off: |
802 | pushf |
802 | pushf |
803 | call print |
803 | call print |
804 | mov si, on_msg |
804 | mov si, on_msg |
805 | popf |
805 | popf |
806 | jz @f |
806 | jz @f |
807 | mov si, off_msg |
807 | mov si, off_msg |
808 | @@: |
808 | @@: |
809 | jmp printplain |
809 | jmp printplain |
810 | ; novesa and vervesa strings are not used at the moment of executing this code |
810 | ; novesa and vervesa strings are not used at the moment of executing this code |
811 | virtual at novesa |
811 | virtual at novesa |
812 | .oldtimer dd ? |
812 | .oldtimer dd ? |
813 | .starttime dd ? |
813 | .starttime dd ? |
814 | if ~ defined extended_primary_loader |
814 | if ~ defined extended_primary_loader |
815 | .bSettingsChanged db ? |
815 | .bSettingsChanged db ? |
816 | end if |
816 | end if |
817 | .timer dd ? |
817 | .timer dd ? |
818 | end virtual |
818 | end virtual |
819 | if ~ defined extended_primary_loader |
819 | if ~ defined extended_primary_loader |
820 | .loader_block dd -1 |
820 | .loader_block dd -1 |
821 | end if |
821 | end if |
822 | .gettime: |
822 | .gettime: |
823 | mov ah, 0 |
823 | mov ah, 0 |
824 | int 1Ah |
824 | int 1Ah |
825 | xchg ax, cx |
825 | xchg ax, cx |
826 | shl eax, 10h |
826 | shl eax, 10h |
827 | xchg ax, dx |
827 | xchg ax, dx |
828 | ret |
828 | ret |
829 | .newtimer: |
829 | .newtimer: |
830 | push ds |
830 | push ds |
831 | push cs |
831 | push cs |
832 | pop ds |
832 | pop ds |
833 | pushf |
833 | pushf |
834 | call [.oldtimer] |
834 | call [.oldtimer] |
835 | pushad |
835 | pushad |
836 | call .gettime |
836 | call .gettime |
837 | sub eax, [.starttime] |
837 | sub eax, [.starttime] |
838 | if defined extended_primary_loader |
838 | if defined extended_primary_loader |
839 | sub ax, [preboot_timeout] |
839 | sub ax, [preboot_timeout] |
840 | else |
840 | else |
841 | sub ax, 18*5 |
841 | sub ax, 18*5 |
842 | end if |
842 | end if |
843 | jae .timergo |
843 | jae .timergo |
844 | neg ax |
844 | neg ax |
845 | add ax, 18-1 |
845 | add ax, 18-1 |
846 | mov bx, 18 |
846 | mov bx, 18 |
847 | xor dx, dx |
847 | xor dx, dx |
848 | div bx |
848 | div bx |
849 | if lang eq ru |
849 | if lang eq ru |
850 | ; ¯®¤®¦¤¨â¥ 5 ᥪã¤, 4/3/2 ᥪã¤ë, 1 ᥪã¤ã |
850 | ; подождите 5 секунд, 4/3/2 секунды, 1 секунду |
851 | cmp al, 5 |
851 | cmp al, 5 |
852 | mov cl, ' ' |
852 | mov cl, ' ' |
853 | jae @f |
853 | jae @f |
854 | cmp al, 1 |
854 | cmp al, 1 |
855 | mov cl, 'ã' |
855 | mov cl, 0xE3 ; 'у' in cp866 |
856 | jz @f |
856 | jz @f |
857 | mov cl, 'ë' |
857 | mov cl, 0xEB ; 'ы' in cp866 |
858 | @@: |
858 | @@: |
859 | mov [time_str+9], cl |
859 | mov [time_str+9], cl |
860 | else if lang eq et |
860 | else if lang eq et |
861 | cmp al, 1 |
861 | cmp al, 1 |
862 | ja @f |
862 | ja @f |
863 | mov [time_str+9], ' ' |
863 | mov byte [time_str+9], ' ' |
864 | mov [time_str+10], ' ' |
864 | mov byte [time_str+10], ' ' |
865 | @@: |
865 | @@: |
866 | else if lang eq sp |
866 | else if lang eq sp |
867 | ; esperar 5/4/3/2 segundos, 1 segundo |
867 | ; esperar 5/4/3/2 segundos, 1 segundo |
868 | cmp al, 1 |
868 | cmp al, 1 |
869 | mov cl, 's' |
869 | mov cl, 's' |
870 | ja @f |
870 | ja @f |
871 | mov cl, ' ' |
871 | mov cl, ' ' |
872 | @@: |
872 | @@: |
873 | mov [time_str+10], cl |
873 | mov [time_str+10], cl |
874 | else |
874 | else |
875 | ; wait 5/4/3/2 seconds, 1 second |
875 | ; wait 5/4/3/2 seconds, 1 second |
876 | cmp al, 1 |
876 | cmp al, 1 |
877 | mov cl, 's' |
877 | mov cl, 's' |
878 | ja @f |
878 | ja @f |
879 | mov cl, ' ' |
879 | mov cl, ' ' |
880 | @@: |
880 | @@: |
881 | mov [time_str+9], cl |
881 | mov [time_str+9], cl |
882 | end if |
882 | end if |
883 | add al, '0' |
883 | add al, '0' |
884 | mov [time_str+1], al |
884 | mov [time_str+1], al |
885 | mov si, time_msg |
885 | mov si, time_msg |
886 | _setcursor 7,0 |
886 | _setcursor 7,0 |
887 | call print |
887 | call print |
888 | _setcursor 25,0 |
888 | _setcursor 25,0 |
889 | popad |
889 | popad |
890 | pop ds |
890 | pop ds |
891 | iret |
891 | iret |
892 | .timergo: |
892 | .timergo: |
893 | push 0 |
893 | push 0 |
894 | pop es |
894 | pop es |
895 | mov eax, [.oldtimer] |
895 | mov eax, [.oldtimer] |
896 | mov [es:8*4], eax |
896 | mov [es:8*4], eax |
897 | mov sp, 0EC00h |
897 | mov sp, 0EC00h |
898 | .continue: |
898 | .continue: |
899 | sti |
899 | sti |
900 | _setcursor 6,0 |
900 | _setcursor 6,0 |
901 | mov si, space_msg |
901 | mov si, space_msg |
902 | call printplain |
902 | call printplain |
903 | call printplain |
903 | call printplain |
904 | _setcursor 6,0 |
904 | _setcursor 6,0 |
905 | mov si, loading_msg |
905 | mov si, loading_msg |
906 | call print |
906 | call print |
907 | _setcursor 15,0 |
907 | _setcursor 15,0 |
908 | if ~ defined extended_primary_loader |
908 | if ~ defined extended_primary_loader |
909 | cmp [.bSettingsChanged], 0 |
909 | cmp [.bSettingsChanged], 0 |
910 | jz .load |
910 | jz .load |
911 | cmp [.loader_block], -1 |
911 | cmp [.loader_block], -1 |
912 | jz .load |
912 | jz .load |
913 | les bx, [.loader_block] |
913 | les bx, [.loader_block] |
914 | mov eax, [es:bx+3] |
914 | mov eax, [es:bx+3] |
915 | push ds |
915 | push ds |
916 | pop es |
916 | pop es |
917 | test eax, eax |
917 | test eax, eax |
918 | jz .load |
918 | jz .load |
919 | push eax |
919 | push eax |
920 | mov si, save_quest |
920 | mov si, save_quest |
921 | call print |
921 | call print |
922 | .waityn: |
922 | .waityn: |
923 | mov ah, 0 |
923 | mov ah, 0 |
924 | int 16h |
924 | int 16h |
925 | or al, 20h |
925 | or al, 20h |
926 | cmp al, 'n' |
926 | cmp al, 'n' |
927 | jz .loadc |
927 | jz .loadc |
928 | if lang eq sp |
928 | if lang eq sp |
929 | cmp al, 's' |
929 | cmp al, 's' |
930 | else |
930 | else |
931 | cmp al, 'y' |
931 | cmp al, 'y' |
932 | end if |
932 | end if |
933 | jnz .waityn |
933 | jnz .waityn |
934 | call putchar |
934 | call putchar |
935 | mov byte [space_msg+80], 186 |
935 | mov byte [space_msg+80], 186 |
936 | 936 | ||
937 | pop eax |
937 | pop eax |
938 | push cs |
938 | push cs |
939 | push .cont |
939 | push .cont |
940 | push eax |
940 | push eax |
941 | retf ;call back |
941 | retf ;call back |
942 | .loadc: |
942 | .loadc: |
943 | pop eax |
943 | pop eax |
944 | .cont: |
944 | .cont: |
945 | push cs |
945 | push cs |
946 | pop ds |
946 | pop ds |
947 | mov si, space_msg |
947 | mov si, space_msg |
948 | mov byte [si+80], 0 |
948 | mov byte [si+80], 0 |
949 | _setcursor 15,0 |
949 | _setcursor 15,0 |
950 | call printplain |
950 | call printplain |
951 | _setcursor 15,0 |
951 | _setcursor 15,0 |
952 | .load: |
952 | .load: |
953 | end if |
953 | end if |
954 | ; \end{diamond}[02.12.2005] |
954 | ; \end{diamond}[02.12.2005] |
955 | 955 | ||
956 | ; ASK GRAPHICS MODE |
956 | ; ASK GRAPHICS MODE |
957 | 957 | ||
958 | call set_vmode |
958 | call set_vmode |
959 | 959 | ||
960 | ; GRAPHICS ACCELERATION |
960 | ; GRAPHICS ACCELERATION |
961 | ; force yes |
961 | ; force yes |
962 | mov [es:BOOT_MTRR], byte 1 |
962 | mov [es:BOOT_MTRR], byte 1 |
963 | 963 | ||
964 | ; DMA ACCESS TO HD |
964 | ; DMA ACCESS TO HD |
965 | 965 | ||
966 | mov al, [preboot_dma] |
966 | mov al, [preboot_dma] |
967 | mov [es:BOOT_DMA], al |
967 | mov [es:BOOT_DMA], al |
968 | 968 | ||
969 | ;; VRR_M USE |
969 | ;; VRR_M USE |
970 | ; |
970 | ; |
971 | ; mov al,[preboot_vrrm] |
971 | ; mov al,[preboot_vrrm] |
972 | ; mov [es:0x9030], al |
972 | ; mov [es:0x9030], al |
973 | 973 | ||
974 | ; BOOT DEVICE |
974 | ; BOOT DEVICE |
975 | 975 | ||
976 | mov al, [preboot_device] |
976 | mov al, [preboot_device] |
977 | dec al |
977 | dec al |
978 | mov [boot_dev], al |
978 | mov [boot_dev], al |
979 | 979 | ||
980 | ; GET MEMORY MAP |
980 | ; GET MEMORY MAP |
981 | include '../detect/biosmem.inc' |
981 | include '../detect/biosmem.inc' |
982 | 982 | ||
983 | ; READ DISKETTE TO MEMORY |
983 | ; READ DISKETTE TO MEMORY |
984 | 984 | ||
985 | cmp [boot_dev], 0 |
985 | cmp [boot_dev], 0 |
986 | jne no_sys_on_floppy |
986 | jne no_sys_on_floppy |
987 | mov si, diskload |
987 | mov si, diskload |
988 | call print |
988 | call print |
989 | xor ax, ax ; reset drive |
989 | xor ax, ax ; reset drive |
990 | xor dx, dx |
990 | xor dx, dx |
991 | int 0x13 |
991 | int 0x13 |
992 | ; do we boot from CD-ROM? |
992 | ; do we boot from CD-ROM? |
993 | mov ah, 41h |
993 | mov ah, 41h |
994 | mov bx, 55AAh |
994 | mov bx, 55AAh |
995 | xor dx, dx |
995 | xor dx, dx |
996 | int 0x13 |
996 | int 0x13 |
997 | jc .nocd |
997 | jc .nocd |
998 | cmp bx, 0AA55h |
998 | cmp bx, 0AA55h |
999 | jnz .nocd |
999 | jnz .nocd |
1000 | mov ah, 48h |
1000 | mov ah, 48h |
1001 | push ds |
1001 | push ds |
1002 | push es |
1002 | push es |
1003 | pop ds |
1003 | pop ds |
1004 | mov si, 0xa000 |
1004 | mov si, 0xa000 |
1005 | mov word [si], 30 |
1005 | mov word [si], 30 |
1006 | int 0x13 |
1006 | int 0x13 |
1007 | pop ds |
1007 | pop ds |
1008 | jc .nocd |
1008 | jc .nocd |
1009 | push ds |
1009 | push ds |
1010 | lds si, [es:si+26] |
1010 | lds si, [es:si+26] |
1011 | test byte [ds:si+10], 40h |
1011 | test byte [ds:si+10], 40h |
1012 | pop ds |
1012 | pop ds |
1013 | jz .nocd |
1013 | jz .nocd |
1014 | ; yes - read all floppy by 18 sectors |
1014 | ; yes - read all floppy by 18 sectors |
1015 | 1015 | ||
1016 | ; TODO: !!!! read only first sector and set variables !!!!! |
1016 | ; TODO: !!!! read only first sector and set variables !!!!! |
1017 | ; ... |
1017 | ; ... |
1018 | ; TODO: !!! then read flippy image track by track |
1018 | ; TODO: !!! then read flippy image track by track |
1019 | 1019 | ||
1020 | mov cx, 0x0001 ; startcyl,startsector |
1020 | mov cx, 0x0001 ; startcyl,startsector |
1021 | .a1: |
1021 | .a1: |
1022 | push cx dx |
1022 | push cx dx |
1023 | mov al, 18 |
1023 | mov al, 18 |
1024 | mov bx, 0xa000 |
1024 | mov bx, 0xa000 |
1025 | call boot_read_floppy |
1025 | call boot_read_floppy |
1026 | mov si, movedesc |
1026 | mov si, movedesc |
1027 | push es |
1027 | push es |
1028 | push ds |
1028 | push ds |
1029 | pop es |
1029 | pop es |
1030 | mov cx, 256*18 |
1030 | mov cx, 256*18 |
1031 | mov ah, 0x87 |
1031 | mov ah, 0x87 |
1032 | int 0x15 |
1032 | int 0x15 |
1033 | pop es |
1033 | pop es |
1034 | pop dx cx |
1034 | pop dx cx |
1035 | test ah, ah |
1035 | test ah, ah |
1036 | jnz sayerr_floppy |
1036 | jnz sayerr_floppy |
1037 | add dword [si+8*3+2], 512*18 |
1037 | add dword [si+8*3+2], 512*18 |
1038 | inc dh |
1038 | inc dh |
1039 | cmp dh, 2 |
1039 | cmp dh, 2 |
1040 | jnz .a1 |
1040 | jnz .a1 |
1041 | mov dh, 0 |
1041 | mov dh, 0 |
1042 | inc ch |
1042 | inc ch |
1043 | cmp ch, 80 |
1043 | cmp ch, 80 |
1044 | jae ok_sys_on_floppy |
1044 | jae ok_sys_on_floppy |
1045 | pusha |
1045 | pusha |
1046 | mov al, ch |
1046 | mov al, ch |
1047 | shr ch, 2 |
1047 | shr ch, 2 |
1048 | add al, ch |
1048 | add al, ch |
1049 | aam |
1049 | aam |
1050 | xchg al, ah |
1050 | xchg al, ah |
1051 | add ax, '00' |
1051 | add ax, '00' |
1052 | mov si, pros |
1052 | mov si, pros |
1053 | mov [si], ax |
1053 | mov [si], ax |
1054 | call printplain |
1054 | call printplain |
1055 | popa |
1055 | popa |
1056 | jmp .a1 |
1056 | jmp .a1 |
1057 | .nocd: |
1057 | .nocd: |
1058 | ; no - read only used sectors from floppy |
1058 | ; no - read only used sectors from floppy |
1059 | ; now load floppy image to memory |
1059 | ; now load floppy image to memory |
1060 | ; at first load boot sector and first FAT table |
1060 | ; at first load boot sector and first FAT table |
1061 | 1061 | ||
1062 | ; read only first sector and fill variables |
1062 | ; read only first sector and fill variables |
1063 | mov cx, 0x0001 ; first logical sector |
1063 | mov cx, 0x0001 ; first logical sector |
1064 | xor dx, dx ; head = 0, drive = 0 (a:) |
1064 | xor dx, dx ; head = 0, drive = 0 (a:) |
1065 | mov al, 1 ; read one sector |
1065 | mov al, 1 ; read one sector |
1066 | mov bx, 0xB000 ; es:bx -> data area |
1066 | mov bx, 0xB000 ; es:bx -> data area |
1067 | call boot_read_floppy |
1067 | call boot_read_floppy |
1068 | ; fill the necessary parameters to work with a floppy |
1068 | ; fill the necessary parameters to work with a floppy |
1069 | mov ax, word [es:bx+24] |
1069 | mov ax, word [es:bx+24] |
1070 | mov word [BPB_SecPerTrk], ax |
1070 | mov word [BPB_SecPerTrk], ax |
1071 | mov ax, word [es:bx+26] |
1071 | mov ax, word [es:bx+26] |
1072 | mov word [BPB_NumHeads], ax |
1072 | mov word [BPB_NumHeads], ax |
1073 | mov ax, word [es:bx+17] |
1073 | mov ax, word [es:bx+17] |
1074 | mov word [BPB_RootEntCnt], ax |
1074 | mov word [BPB_RootEntCnt], ax |
1075 | mov ax, word [es:bx+14] |
1075 | mov ax, word [es:bx+14] |
1076 | mov word [BPB_RsvdSecCnt], ax |
1076 | mov word [BPB_RsvdSecCnt], ax |
1077 | mov ax, word [es:bx+19] |
1077 | mov ax, word [es:bx+19] |
1078 | mov word [BPB_TotSec16], ax |
1078 | mov word [BPB_TotSec16], ax |
1079 | mov al, byte [es:bx+13] |
1079 | mov al, byte [es:bx+13] |
1080 | mov byte [BPB_SecPerClus], al |
1080 | mov byte [BPB_SecPerClus], al |
1081 | mov al, byte [es:bx+16] |
1081 | mov al, byte [es:bx+16] |
1082 | mov byte [BPB_NumFATs], al |
1082 | mov byte [BPB_NumFATs], al |
1083 | ; |
1083 | ; |
1084 | mov ax, word [es:bx+22] |
1084 | mov ax, word [es:bx+22] |
1085 | mov word [BPB_FATSz16], ax |
1085 | mov word [BPB_FATSz16], ax |
1086 | mov cx, word [es:bx+11] |
1086 | mov cx, word [es:bx+11] |
1087 | mov word [BPB_BytsPerSec], cx |
1087 | mov word [BPB_BytsPerSec], cx |
1088 | 1088 | ||
1089 | ; count of clusters in FAT12 ((size_of_FAT*2)/3) |
1089 | ; count of clusters in FAT12 ((size_of_FAT*2)/3) |
1090 | ; mov ax, word [BPB_FATSz16] |
1090 | ; mov ax, word [BPB_FATSz16] |
1091 | ; mov cx, word [BPB_BytsPerSec] |
1091 | ; mov cx, word [BPB_BytsPerSec] |
1092 | ;end |
1092 | ;end |
1093 | xor dx, dx |
1093 | xor dx, dx |
1094 | mul cx |
1094 | mul cx |
1095 | shl ax, 1 |
1095 | shl ax, 1 |
1096 | mov cx, 3 |
1096 | mov cx, 3 |
1097 | div cx ; now ax - number of clusters in FAT12 |
1097 | div cx ; now ax - number of clusters in FAT12 |
1098 | mov word [end_of_FAT], ax |
1098 | mov word [end_of_FAT], ax |
1099 | 1099 | ||
1100 | ; load first FAT table |
1100 | ; load first FAT table |
1101 | mov cx, 0x0002 ; startcyl,startsector ; TODO!!!!! |
1101 | mov cx, 0x0002 ; startcyl,startsector ; TODO!!!!! |
1102 | xor dx, dx ; starthead,drive |
1102 | xor dx, dx ; starthead,drive |
1103 | mov al, byte [BPB_FATSz16] ; no of sectors to read |
1103 | mov al, byte [BPB_FATSz16] ; no of sectors to read |
1104 | add bx, word [BPB_BytsPerSec] ; es:bx -> data area |
1104 | add bx, word [BPB_BytsPerSec] ; es:bx -> data area |
1105 | call boot_read_floppy |
1105 | call boot_read_floppy |
1106 | mov bx, 0xB000 |
1106 | mov bx, 0xB000 |
1107 | 1107 | ||
1108 | ; and copy them to extended memory |
1108 | ; and copy them to extended memory |
1109 | mov si, movedesc |
1109 | mov si, movedesc |
1110 | mov [si+8*2+3], bh ; from |
1110 | mov [si+8*2+3], bh ; from |
1111 | 1111 | ||
1112 | mov ax, word [BPB_BytsPerSec] |
1112 | mov ax, word [BPB_BytsPerSec] |
1113 | shr ax, 1 ; words per sector |
1113 | shr ax, 1 ; words per sector |
1114 | mov cx, word [BPB_RsvdSecCnt] |
1114 | mov cx, word [BPB_RsvdSecCnt] |
1115 | add cx, word [BPB_FATSz16] |
1115 | add cx, word [BPB_FATSz16] |
1116 | mul cx |
1116 | mul cx |
1117 | push ax ; save to stack count of words in boot+FAT |
1117 | push ax ; save to stack count of words in boot+FAT |
1118 | xchg ax, cx |
1118 | xchg ax, cx |
1119 | 1119 | ||
1120 | push es |
1120 | push es |
1121 | push ds |
1121 | push ds |
1122 | pop es |
1122 | pop es |
1123 | mov ah, 0x87 |
1123 | mov ah, 0x87 |
1124 | int 0x15 |
1124 | int 0x15 |
1125 | pop es |
1125 | pop es |
1126 | test ah, ah |
1126 | test ah, ah |
1127 | jz @f |
1127 | jz @f |
1128 | sayerr_floppy: |
1128 | sayerr_floppy: |
1129 | mov dx, 0x3f2 |
1129 | mov dx, 0x3f2 |
1130 | mov al, 0 |
1130 | mov al, 0 |
1131 | out dx, al |
1131 | out dx, al |
1132 | sayerr_memmove: |
1132 | sayerr_memmove: |
1133 | mov si, memmovefailed |
1133 | mov si, memmovefailed |
1134 | jmp sayerr_plain |
1134 | jmp sayerr_plain |
1135 | @@: |
1135 | @@: |
1136 | pop ax ; restore from stack count of words in boot+FAT |
1136 | pop ax ; restore from stack count of words in boot+FAT |
1137 | shl ax, 1 ; make bytes count from count of words |
1137 | shl ax, 1 ; make bytes count from count of words |
1138 | and eax, 0ffffh |
1138 | and eax, 0ffffh |
1139 | add dword [si+8*3+2], eax |
1139 | add dword [si+8*3+2], eax |
1140 | 1140 | ||
1141 | ; copy first FAT to second copy |
1141 | ; copy first FAT to second copy |
1142 | ; TODO: BPB_NumFATs !!!!! |
1142 | ; TODO: BPB_NumFATs !!!!! |
1143 | add bx, word [BPB_BytsPerSec] ; !!! TODO: may be need multiply by BPB_RsvdSecCnt !!! |
1143 | add bx, word [BPB_BytsPerSec] ; !!! TODO: may be need multiply by BPB_RsvdSecCnt !!! |
1144 | mov byte [si+8*2+3], bh ; bx - begin of FAT |
1144 | mov byte [si+8*2+3], bh ; bx - begin of FAT |
1145 | 1145 | ||
1146 | mov ax, word [BPB_BytsPerSec] |
1146 | mov ax, word [BPB_BytsPerSec] |
1147 | shr ax, 1 ; words per sector |
1147 | shr ax, 1 ; words per sector |
1148 | mov cx, word [BPB_FATSz16] |
1148 | mov cx, word [BPB_FATSz16] |
1149 | mul cx |
1149 | mul cx |
1150 | mov cx, ax ; cx - count of words in FAT |
1150 | mov cx, ax ; cx - count of words in FAT |
1151 | 1151 | ||
1152 | push es |
1152 | push es |
1153 | push ds |
1153 | push ds |
1154 | pop es |
1154 | pop es |
1155 | mov ah, 0x87 |
1155 | mov ah, 0x87 |
1156 | int 0x15 |
1156 | int 0x15 |
1157 | pop es |
1157 | pop es |
1158 | test ah, ah |
1158 | test ah, ah |
1159 | jnz sayerr_floppy |
1159 | jnz sayerr_floppy |
1160 | 1160 | ||
1161 | mov ax, cx |
1161 | mov ax, cx |
1162 | shl ax, 1 |
1162 | shl ax, 1 |
1163 | and eax, 0ffffh ; ax - count of bytes in FAT |
1163 | and eax, 0ffffh ; ax - count of bytes in FAT |
1164 | add dword [si+8*3+2], eax |
1164 | add dword [si+8*3+2], eax |
1165 | 1165 | ||
1166 | ; reading RootDir |
1166 | ; reading RootDir |
1167 | ; TODO: BPB_NumFATs |
1167 | ; TODO: BPB_NumFATs |
1168 | add bx, ax |
1168 | add bx, ax |
1169 | add bx, 100h |
1169 | add bx, 100h |
1170 | and bx, 0ff00h ; bx - place in buffer to write RootDir |
1170 | and bx, 0ff00h ; bx - place in buffer to write RootDir |
1171 | push bx |
1171 | push bx |
1172 | 1172 | ||
1173 | mov bx, word [BPB_BytsPerSec] |
1173 | mov bx, word [BPB_BytsPerSec] |
1174 | shr bx, 5 ; divide bx by 32 |
1174 | shr bx, 5 ; divide bx by 32 |
1175 | mov ax, word [BPB_RootEntCnt] |
1175 | mov ax, word [BPB_RootEntCnt] |
1176 | xor dx, dx |
1176 | xor dx, dx |
1177 | div bx |
1177 | div bx |
1178 | push ax ; ax - count of RootDir sectors |
1178 | push ax ; ax - count of RootDir sectors |
1179 | 1179 | ||
1180 | mov ax, word [BPB_FATSz16] |
1180 | mov ax, word [BPB_FATSz16] |
1181 | xor cx, cx |
1181 | xor cx, cx |
1182 | mov cl, byte [BPB_NumFATs] |
1182 | mov cl, byte [BPB_NumFATs] |
1183 | mul cx |
1183 | mul cx |
1184 | add ax, word [BPB_RsvdSecCnt] ; ax - first sector of RootDir |
1184 | add ax, word [BPB_RsvdSecCnt] ; ax - first sector of RootDir |
1185 | 1185 | ||
1186 | mov word [FirstDataSector], ax |
1186 | mov word [FirstDataSector], ax |
1187 | pop bx |
1187 | pop bx |
1188 | push bx |
1188 | push bx |
1189 | add word [FirstDataSector], bx ; Begin of data region of floppy |
1189 | add word [FirstDataSector], bx ; Begin of data region of floppy |
1190 | 1190 | ||
1191 | ; read RootDir |
1191 | ; read RootDir |
1192 | call conv_abs_to_THS |
1192 | call conv_abs_to_THS |
1193 | pop ax |
1193 | pop ax |
1194 | pop bx ; place in buffer to write |
1194 | pop bx ; place in buffer to write |
1195 | push ax |
1195 | push ax |
1196 | call boot_read_floppy ; read RootDir into buffer |
1196 | call boot_read_floppy ; read RootDir into buffer |
1197 | ; copy RootDir |
1197 | ; copy RootDir |
1198 | mov byte [si+8*2+3], bh ; from buffer |
1198 | mov byte [si+8*2+3], bh ; from buffer |
1199 | pop ax ; ax = count of RootDir sectors |
1199 | pop ax ; ax = count of RootDir sectors |
1200 | mov cx, word [BPB_BytsPerSec] |
1200 | mov cx, word [BPB_BytsPerSec] |
1201 | mul cx |
1201 | mul cx |
1202 | shr ax, 1 |
1202 | shr ax, 1 |
1203 | mov cx, ax ; count of words to copy |
1203 | mov cx, ax ; count of words to copy |
1204 | push es |
1204 | push es |
1205 | push ds |
1205 | push ds |
1206 | pop es |
1206 | pop es |
1207 | mov ah, 0x87 |
1207 | mov ah, 0x87 |
1208 | int 0x15 |
1208 | int 0x15 |
1209 | pop es |
1209 | pop es |
1210 | 1210 | ||
1211 | mov ax, cx |
1211 | mov ax, cx |
1212 | shl ax, 1 |
1212 | shl ax, 1 |
1213 | and eax, 0ffffh ; ax - count of bytes in RootDir |
1213 | and eax, 0ffffh ; ax - count of bytes in RootDir |
1214 | add dword [si+8*3+2], eax ; add count of bytes copied |
1214 | add dword [si+8*3+2], eax ; add count of bytes copied |
1215 | 1215 | ||
1216 | ; Reading data clusters from floppy |
1216 | ; Reading data clusters from floppy |
1217 | mov byte [si+8*2+3], bh |
1217 | mov byte [si+8*2+3], bh |
1218 | push bx |
1218 | push bx |
1219 | 1219 | ||
1220 | mov di, 2 ; First data cluster |
1220 | mov di, 2 ; First data cluster |
1221 | .read_loop: |
1221 | .read_loop: |
1222 | mov bx, di |
1222 | mov bx, di |
1223 | shr bx, 1 ; bx+di = di*1.5 |
1223 | shr bx, 1 ; bx+di = di*1.5 |
1224 | jnc .even |
1224 | jnc .even |
1225 | test word [es:bx+di+0xB200], 0xFFF0 ; TODO: may not be 0xB200 !!! |
1225 | test word [es:bx+di+0xB200], 0xFFF0 ; TODO: may not be 0xB200 !!! |
1226 | jmp @f |
1226 | jmp @f |
1227 | .even: |
1227 | .even: |
1228 | test word [es:bx+di+0xB200], 0xFFF ; TODO: may not be 0xB200 !!! |
1228 | test word [es:bx+di+0xB200], 0xFFF ; TODO: may not be 0xB200 !!! |
1229 | 1229 | ||
1230 | @@: |
1230 | @@: |
1231 | jz .skip |
1231 | jz .skip |
1232 | ; read cluster di |
1232 | ; read cluster di |
1233 | ;.read: |
1233 | ;.read: |
1234 | ;conv cluster di to abs. sector ax |
1234 | ;conv cluster di to abs. sector ax |
1235 | ; ax = (N-2) * BPB_SecPerClus + FirstDataSector |
1235 | ; ax = (N-2) * BPB_SecPerClus + FirstDataSector |
1236 | mov ax, di |
1236 | mov ax, di |
1237 | sub ax, 2 |
1237 | sub ax, 2 |
1238 | xor bx, bx |
1238 | xor bx, bx |
1239 | mov bl, byte [BPB_SecPerClus] |
1239 | mov bl, byte [BPB_SecPerClus] |
1240 | mul bx |
1240 | mul bx |
1241 | add ax, word [FirstDataSector] |
1241 | add ax, word [FirstDataSector] |
1242 | call conv_abs_to_THS |
1242 | call conv_abs_to_THS |
1243 | pop bx |
1243 | pop bx |
1244 | push bx |
1244 | push bx |
1245 | mov al, byte [BPB_SecPerClus] ; number of sectors in cluster |
1245 | mov al, byte [BPB_SecPerClus] ; number of sectors in cluster |
1246 | call boot_read_floppy |
1246 | call boot_read_floppy |
1247 | push es |
1247 | push es |
1248 | push ds |
1248 | push ds |
1249 | pop es |
1249 | pop es |
1250 | pusha |
1250 | pusha |
1251 | ; |
1251 | ; |
1252 | mov ax, word [BPB_BytsPerSec] |
1252 | mov ax, word [BPB_BytsPerSec] |
1253 | xor cx, cx |
1253 | xor cx, cx |
1254 | mov cl, byte [BPB_SecPerClus] |
1254 | mov cl, byte [BPB_SecPerClus] |
1255 | mul cx |
1255 | mul cx |
1256 | shr ax, 1 ; ax = (BPB_BytsPerSec * BPB_SecPerClus)/2 |
1256 | shr ax, 1 ; ax = (BPB_BytsPerSec * BPB_SecPerClus)/2 |
1257 | mov cx, ax ; number of words to copy (count words in cluster) |
1257 | mov cx, ax ; number of words to copy (count words in cluster) |
1258 | ; |
1258 | ; |
1259 | mov ah, 0x87 |
1259 | mov ah, 0x87 |
1260 | int 0x15 ; copy data |
1260 | int 0x15 ; copy data |
1261 | test ah, ah |
1261 | test ah, ah |
1262 | popa |
1262 | popa |
1263 | pop es |
1263 | pop es |
1264 | jnz sayerr_floppy |
1264 | jnz sayerr_floppy |
1265 | ; skip cluster di |
1265 | ; skip cluster di |
1266 | .skip: |
1266 | .skip: |
1267 | mov ax, word [BPB_BytsPerSec] |
1267 | mov ax, word [BPB_BytsPerSec] |
1268 | xor cx, cx |
1268 | xor cx, cx |
1269 | mov cl, byte [BPB_SecPerClus] |
1269 | mov cl, byte [BPB_SecPerClus] |
1270 | mul cx |
1270 | mul cx |
1271 | and eax, 0ffffh ; ax - count of bytes in cluster |
1271 | and eax, 0ffffh ; ax - count of bytes in cluster |
1272 | add dword [si+8*3+2], eax |
1272 | add dword [si+8*3+2], eax |
1273 | 1273 | ||
1274 | mov ax, word [end_of_FAT] ; max cluster number |
1274 | mov ax, word [end_of_FAT] ; max cluster number |
1275 | pusha |
1275 | pusha |
1276 | ; draw percentage |
1276 | ; draw percentage |
1277 | ; total clusters: ax |
1277 | ; total clusters: ax |
1278 | ; read clusters: di |
1278 | ; read clusters: di |
1279 | xchg ax, di |
1279 | xchg ax, di |
1280 | mov cx, 100 |
1280 | mov cx, 100 |
1281 | mul cx |
1281 | mul cx |
1282 | div di |
1282 | div di |
1283 | aam |
1283 | aam |
1284 | xchg al, ah |
1284 | xchg al, ah |
1285 | add ax, '00' |
1285 | add ax, '00' |
1286 | mov si, pros |
1286 | mov si, pros |
1287 | cmp [si], ax |
1287 | cmp [si], ax |
1288 | jz @f |
1288 | jz @f |
1289 | mov [si], ax |
1289 | mov [si], ax |
1290 | call printplain |
1290 | call printplain |
1291 | @@: |
1291 | @@: |
1292 | popa |
1292 | popa |
1293 | inc di |
1293 | inc di |
1294 | cmp di, word [end_of_FAT] ; max number of cluster |
1294 | cmp di, word [end_of_FAT] ; max number of cluster |
1295 | jnz .read_loop |
1295 | jnz .read_loop |
1296 | pop bx ; clear stack |
1296 | pop bx ; clear stack |
1297 | 1297 | ||
1298 | ok_sys_on_floppy: |
1298 | ok_sys_on_floppy: |
1299 | mov si, backspace2 |
1299 | mov si, backspace2 |
1300 | call printplain |
1300 | call printplain |
1301 | mov si, okt |
1301 | mov si, okt |
1302 | call printplain |
1302 | call printplain |
1303 | no_sys_on_floppy: |
1303 | no_sys_on_floppy: |
1304 | xor ax, ax ; reset drive |
1304 | xor ax, ax ; reset drive |
1305 | xor dx, dx |
1305 | xor dx, dx |
1306 | int 0x13 |
1306 | int 0x13 |
1307 | mov dx, 0x3f2 ; floppy motor off |
1307 | mov dx, 0x3f2 ; floppy motor off |
1308 | mov al, 0 |
1308 | mov al, 0 |
1309 | out dx, al |
1309 | out dx, al |
1310 | 1310 | ||
1311 | if defined extended_primary_loader |
1311 | if defined extended_primary_loader |
1312 | cmp [boot_dev], 1 |
1312 | cmp [boot_dev], 1 |
1313 | jne no_sys_from_primary |
1313 | jne no_sys_from_primary |
1314 | ; load kolibri.img using callback from primary loader |
1314 | ; load kolibri.img using callback from primary loader |
1315 | and word [movedesc + 24 + 2], 0 |
1315 | and word [movedesc + 24 + 2], 0 |
1316 | mov byte [movedesc + 24 + 4], 10h |
1316 | mov byte [movedesc + 24 + 4], 10h |
1317 | ; read in blocks of 64K until file is fully loaded |
1317 | ; read in blocks of 64K until file is fully loaded |
1318 | mov ax, 1 |
1318 | mov ax, 1 |
1319 | .repeat: |
1319 | .repeat: |
1320 | mov di, image_file_struct |
1320 | mov di, image_file_struct |
1321 | call [bootcallback] |
1321 | call [bootcallback] |
1322 | push cs |
1322 | push cs |
1323 | pop ds |
1323 | pop ds |
1324 | push cs |
1324 | push cs |
1325 | pop es |
1325 | pop es |
1326 | cmp bx, 1 |
1326 | cmp bx, 1 |
1327 | ja sayerr_badsect |
1327 | ja sayerr_badsect |
1328 | push bx |
1328 | push bx |
1329 | mov si, movedesc |
1329 | mov si, movedesc |
1330 | and word [si + 16 + 2], 0 |
1330 | and word [si + 16 + 2], 0 |
1331 | mov byte [si + 16 + 4], 4 |
1331 | mov byte [si + 16 + 4], 4 |
1332 | mov ah, 87h |
1332 | mov ah, 87h |
1333 | mov cx, 8000h |
1333 | mov cx, 8000h |
1334 | int 15h |
1334 | int 15h |
1335 | pop bx |
1335 | pop bx |
1336 | test ah, ah |
1336 | test ah, ah |
1337 | jnz sayerr_memmove |
1337 | jnz sayerr_memmove |
1338 | inc byte [si + 24 + 4] |
1338 | inc byte [si + 24 + 4] |
1339 | test bx, bx |
1339 | test bx, bx |
1340 | jz no_sys_from_primary |
1340 | jz no_sys_from_primary |
1341 | mov ax, 2 |
1341 | mov ax, 2 |
1342 | jmp .repeat |
1342 | jmp .repeat |
1343 | no_sys_from_primary: |
1343 | no_sys_from_primary: |
1344 | end if |
1344 | end if |
1345 | 1345 | ||
1346 | ; SET GRAPHICS |
1346 | ; SET GRAPHICS |
1347 | 1347 | ||
1348 | xor ax, ax |
1348 | xor ax, ax |
1349 | mov es, ax |
1349 | mov es, ax |
1350 | 1350 | ||
1351 | mov ax, [es:BOOT_VESA_MODE] ; vga & 320x200 |
1351 | mov ax, [es:BOOT_VESA_MODE] ; vga & 320x200 |
1352 | mov bx, ax |
1352 | mov bx, ax |
1353 | cmp ax, 0x13 |
1353 | cmp ax, 0x13 |
1354 | je setgr |
1354 | je setgr |
1355 | cmp ax, 0x12 |
1355 | cmp ax, 0x12 |
1356 | je setgr |
1356 | je setgr |
1357 | mov ax, 0x4f02 ; Vesa |
1357 | mov ax, 0x4f02 ; Vesa |
1358 | setgr: |
1358 | setgr: |
1359 | int 0x10 |
1359 | int 0x10 |
1360 | test ah, ah |
1360 | test ah, ah |
1361 | mov si, fatalsel |
1361 | mov si, fatalsel |
1362 | jnz v_mode_error |
1362 | jnz v_mode_error |
1363 | ; set mode 0x12 graphics registers: |
1363 | ; set mode 0x12 graphics registers: |
1364 | cmp bx, 0x12 |
1364 | cmp bx, 0x12 |
1365 | jne gmok2 |
1365 | jne gmok2 |
1366 | 1366 | ||
1367 | mov al, 0x05 |
1367 | mov al, 0x05 |
1368 | mov dx, 0x03ce |
1368 | mov dx, 0x03ce |
1369 | push dx |
1369 | push dx |
1370 | out dx, al ; select GDC mode register |
1370 | out dx, al ; select GDC mode register |
1371 | mov al, 0x02 |
1371 | mov al, 0x02 |
1372 | inc dx |
1372 | inc dx |
1373 | out dx, al ; set write mode 2 |
1373 | out dx, al ; set write mode 2 |
1374 | 1374 | ||
1375 | mov al, 0x02 |
1375 | mov al, 0x02 |
1376 | mov dx, 0x03c4 |
1376 | mov dx, 0x03c4 |
1377 | out dx, al ; select VGA sequencer map mask register |
1377 | out dx, al ; select VGA sequencer map mask register |
1378 | mov al, 0x0f |
1378 | mov al, 0x0f |
1379 | inc dx |
1379 | inc dx |
1380 | out dx, al ; set mask for all planes 0-3 |
1380 | out dx, al ; set mask for all planes 0-3 |
1381 | 1381 | ||
1382 | mov al, 0x08 |
1382 | mov al, 0x08 |
1383 | pop dx |
1383 | pop dx |
1384 | out dx, al ; select GDC bit mask register |
1384 | out dx, al ; select GDC bit mask register |
1385 | ; for writes to 0x03cf |
1385 | ; for writes to 0x03cf |
1386 | gmok2: |
1386 | gmok2: |
1387 | push ds |
1387 | push ds |
1388 | pop es |
1388 | pop es |