rev |
line source |
pascal@19515
|
1 ;***************************************************************
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pascal@19515
|
2 ;****** This file is distributed under GPL
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pascal@19515
|
3 ;***************************************************************
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pascal@19515
|
4 ideal
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pascal@19515
|
5 %crefref
|
pascal@19515
|
6 %noincl
|
pascal@19515
|
7 %nomacs
|
pascal@19636
|
8 ifdef NO386
|
pascal@19636
|
9 p8086
|
pascal@19636
|
10 else
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pascal@19515
|
11 p386
|
pascal@19636
|
12 endif
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pascal@19515
|
13
|
pascal@19515
|
14 group DGROUP _TEXT,_DATA,_BSS
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pascal@19515
|
15 assume cs:DGROUP,ds:DGROUP
|
pascal@19515
|
16
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pascal@19515
|
17 segment _DATA byte public use16 'DATA'
|
pascal@19515
|
18
|
pascal@20451
|
19 global _heap_top
|
pascal@20451
|
20 extrn _bss_end
|
pascal@19546
|
21 _heap_top dw _bss_end
|
pascal@19546
|
22 msg_hang db "High mem corrupted - not exiting to DOS"
|
pascal@20527
|
23 msg_lf db 10,0
|
pascal@20451
|
24 vcpi_alloc_err db "VCPI "
|
pascal@20451
|
25 msg_malloc db "malloc error",0
|
pascal@19825
|
26 ifdef EXTRA
|
pascal@19825
|
27 tazboot_cmd db "tazboot.cmd",0
|
pascal@19825
|
28 endif
|
pascal@19515
|
29
|
pascal@19515
|
30 ends _DATA
|
pascal@19515
|
31
|
pascal@19515
|
32 segment _BSS byte public use16 'BSS'
|
pascal@19515
|
33
|
pascal@20538
|
34 _xfer_buf db 4096 dup (?)
|
pascal@19515
|
35 global _no_exit:byte
|
pascal@19515
|
36 _no_exit db ?
|
pascal@19515
|
37 filecnt db ? ; in fact 0 minus file count...
|
pascal@19515
|
38 nextfilename dw ?
|
pascal@19571
|
39 ifdef LARGE_IMAGES
|
pascal@19571
|
40 curdata dw ?
|
pascal@19571
|
41 endif
|
pascal@19825
|
42 ifdef EXTRA
|
pascal@19825
|
43 ultoabuf db 12 dup (?)
|
pascal@19825
|
44 endif
|
pascal@19515
|
45
|
pascal@19515
|
46 ends _BSS
|
pascal@19515
|
47
|
pascal@19515
|
48 segment _TEXT byte public use16 'CODE'
|
pascal@19515
|
49
|
pascal@19515
|
50 ;***************************************************************
|
pascal@20630
|
51 ;_fastcall void strcpy(bx:const char* a, ax:const char* b);
|
pascal@20630
|
52 ;_fastcall void strcat(bx:const char* a, ax:const char* b);
|
pascal@20630
|
53 ;_fastcall void strcatb(bx:const char* a, ax:const char* b);
|
pascal@19538
|
54 ;***************************************************************
|
pascal@20793
|
55 ifdef EXTRA
|
pascal@20793
|
56 global @strcat$qpxzct1:near
|
pascal@20793
|
57 @strcat$qpxzct1:
|
pascal@20793
|
58 mov cx,1h
|
pascal@20793
|
59 db 0bah ; mov dx,imm opcode
|
pascal@20793
|
60 endif
|
pascal@20528
|
61 global @strcatb$qpxzct1:near
|
pascal@20528
|
62 proc @strcatb$qpxzct1 near
|
pascal@19538
|
63
|
pascal@19826
|
64 ifdef EXTRA
|
pascal@20142
|
65 mov cl,7Fh
|
pascal@20539
|
66 db 0bah ; mov dx,imm opcode
|
pascal@20528
|
67 global @strcpy$qpxzct1:near
|
pascal@20528
|
68 @strcpy$qpxzct1:
|
pascal@20142
|
69 xor cx,cx
|
pascal@19826
|
70 endif
|
pascal@19538
|
71 push si
|
pascal@20794
|
72 xchg ax,si ; b
|
pascal@19826
|
73 ifdef EXTRA
|
pascal@20142
|
74 jcxz @@nocat
|
pascal@19826
|
75 endif
|
pascal@20794
|
76 dec bx
|
pascal@19538
|
77 @@catlp:
|
pascal@20794
|
78 inc bx
|
pascal@20794
|
79 cmp [byte bx],0 ; a=bx
|
pascal@19538
|
80 jne @@catlp
|
pascal@20794
|
81 ifdef EXTRA
|
pascal@20793
|
82 mov al,20h
|
pascal@20793
|
83 loop @@cpyhead
|
pascal@20778
|
84 else
|
pascal@20794
|
85 db 0b8h,20h ; mov ax,??20h
|
pascal@19826
|
86 endif
|
pascal@19538
|
87 @@nocat:
|
pascal@19538
|
88 @@cpylp:
|
pascal@20794
|
89 lodsb
|
pascal@20794
|
90 @@cpyhead:
|
pascal@20794
|
91 mov [bx],al
|
pascal@20142
|
92 inc bx
|
pascal@20527
|
93 or al,al
|
pascal@19538
|
94 jne @@cpylp
|
pascal@20142
|
95 strfound:
|
pascal@20142
|
96 xchg ax,dx
|
pascal@20142
|
97 strend:
|
pascal@19538
|
98 pop si
|
pascal@20142
|
99 ret
|
pascal@19538
|
100
|
pascal@20528
|
101 endp @strcatb$qpxzct1
|
pascal@19538
|
102
|
pascal@19538
|
103
|
pascal@20146
|
104 ifdef EXTRA
|
pascal@20146
|
105 p8086
|
pascal@20146
|
106 ;***************************************************************
|
pascal@20778
|
107 ;_fastcall int strstr(bx:const char* a, ax:const char* b);
|
pascal@20146
|
108 ;***************************************************************
|
pascal@20528
|
109 global @strstr$qpxzct1:near
|
pascal@20528
|
110 proc @strstr$qpxzct1 near
|
pascal@20146
|
111
|
pascal@20538
|
112 xchg ax,cx ; b
|
pascal@20538
|
113 mov dx,bx ; a
|
pascal@20146
|
114 push si
|
pascal@20146
|
115 @@loop:
|
pascal@20146
|
116 xor ax,ax
|
pascal@20146
|
117 mov si,dx
|
pascal@20146
|
118 cmp [si],al ; *a
|
pascal@20146
|
119 jz strend ; return ax = NULL
|
pascal@20146
|
120 mov bx,cx
|
pascal@20146
|
121 @@match:
|
pascal@20146
|
122 or ah,[bx] ; *b
|
pascal@20146
|
123 jz strfound
|
pascal@20146
|
124 inc bx
|
pascal@20146
|
125 lodsb
|
pascal@20146
|
126 sub ah,al
|
pascal@20146
|
127 jz @@match
|
pascal@20146
|
128 inc dx
|
pascal@20146
|
129 jmp @@loop
|
pascal@20146
|
130
|
pascal@20528
|
131 endp @strstr$qpxzct1
|
pascal@20146
|
132
|
pascal@20146
|
133
|
pascal@20146
|
134 ;***************************************************************
|
pascal@20630
|
135 ;_fastcall int strcmp(bx:const char* a, ax:const char* b);
|
pascal@20146
|
136 ;***************************************************************
|
pascal@20528
|
137 global @strcmp$qpxzct1:near
|
pascal@20528
|
138 proc @strcmp$qpxzct1 near
|
pascal@20146
|
139
|
pascal@20146
|
140 push si
|
pascal@20146
|
141 xchg ax,si
|
pascal@20146
|
142 dec bx
|
pascal@20146
|
143 @@lp:
|
pascal@20146
|
144 inc bx
|
pascal@20146
|
145 lodsb
|
pascal@20146
|
146 sub al,[bx]
|
pascal@20146
|
147 jnz @@out
|
pascal@20630
|
148 or al,[bx]
|
pascal@20146
|
149 jnz @@lp
|
pascal@20146
|
150 @@out:
|
pascal@20146
|
151 cbw
|
pascal@20146
|
152 pop si
|
pascal@20146
|
153 ret
|
pascal@20146
|
154
|
pascal@20528
|
155 endp @strcmp$qpxzct1
|
pascal@20146
|
156 endif
|
pascal@20146
|
157
|
pascal@20146
|
158
|
pascal@19538
|
159 ;***************************************************************
|
pascal@20630
|
160 ;_fastcall void puts(bx:const char* s):
|
pascal@19515
|
161 ;***************************************************************
|
pascal@20528
|
162 global @puts$qpxzc:near
|
pascal@20528
|
163 proc @puts$qpxzc near
|
pascal@19515
|
164
|
pascal@20486
|
165 ; global puts:near ; puts(bx)
|
pascal@19515
|
166 puts:
|
pascal@20510
|
167 call @@putsz
|
pascal@20527
|
168 mov bx,offset msg_lf
|
pascal@20527
|
169 mov dl,13
|
pascal@20510
|
170 @@putcz:
|
pascal@20160
|
171 mov ah,2
|
pascal@20146
|
172 int 21h
|
pascal@20510
|
173 @@putsz:
|
pascal@20160
|
174 mov dl,[bx]
|
pascal@20146
|
175 inc bx
|
pascal@20160
|
176 or dl,dl
|
pascal@20510
|
177 jne @@putcz ; ZF=1 (for malloc failure)
|
pascal@19538
|
178 ret
|
pascal@19515
|
179
|
pascal@20528
|
180 endp @puts$qpxzc
|
pascal@19515
|
181
|
pascal@19515
|
182
|
pascal@19538
|
183
|
pascal@19538
|
184 ;***************************************************************
|
pascal@20630
|
185 ;_fastcall int open(bx:const char* name, int flags=O_RDONLY);
|
pascal@19515
|
186 ;***************************************************************
|
pascal@20538
|
187 global openargs:near ; openargs(bx)
|
pascal@20538
|
188 openargs:
|
pascal@20538
|
189 cmp [byte bx],'@'
|
pascal@20538
|
190 stc
|
pascal@20538
|
191 jne fail
|
pascal@20538
|
192 inc bx
|
pascal@20538
|
193
|
pascal@20528
|
194 global @open$qpxzc:near
|
pascal@20528
|
195 proc @open$qpxzc near
|
pascal@19515
|
196
|
pascal@19546
|
197 global open:near ; open(bx)
|
pascal@19515
|
198 open:
|
pascal@20630
|
199 ifdef LONG_FILENAME
|
pascal@20630
|
200 mov ax,716Ch
|
pascal@20632
|
201 push bx di si
|
pascal@20630
|
202 mov si,bx
|
pascal@20630
|
203 xor bx,bx ; R/O
|
pascal@20630
|
204 xor cx,cx ; attributes
|
pascal@20632
|
205 xor di,di ; alias hint
|
pascal@20630
|
206 cwd ; action = open
|
pascal@20634
|
207 stc
|
pascal@20630
|
208 int 21h
|
pascal@20632
|
209 pop si di bx
|
pascal@20630
|
210 jnc doret
|
pascal@20630
|
211 endif
|
pascal@20538
|
212 mov ax,3d00h ; read-only+compatibility
|
pascal@20538
|
213 ;mov cl,0 ; attribute mask
|
pascal@19515
|
214 mov dx,bx
|
pascal@19515
|
215 dos:
|
pascal@19515
|
216 int 21h
|
pascal@19538
|
217 chkc:
|
pascal@19515
|
218 jnc doret
|
pascal@19515
|
219 fail:
|
pascal@19515
|
220 sbb ax,ax ; ax=-1 CF
|
pascal@19515
|
221 cwd
|
pascal@19515
|
222 doret:
|
pascal@19515
|
223 ifndef NO386
|
pascal@19538
|
224 push dx ; see next_chunk:lseek
|
pascal@19538
|
225 push ax
|
pascal@19538
|
226 pop eax
|
pascal@19515
|
227 endif
|
pascal@19515
|
228 ret
|
pascal@19515
|
229
|
pascal@20528
|
230 endp @open$qpxzc
|
pascal@19515
|
231
|
pascal@19515
|
232
|
pascal@19515
|
233 ;***************************************************************
|
pascal@20632
|
234 ;_fastcall int fileexist(bx:const char* name);
|
pascal@20632
|
235 ;***************************************************************
|
pascal@20632
|
236 global @fileexist$qpxzc:near
|
pascal@20632
|
237 @fileexist$qpxzc:
|
pascal@20632
|
238 call @open$qpxzc
|
pascal@20632
|
239 jc fail
|
pascal@20632
|
240
|
pascal@20632
|
241 ;***************************************************************
|
pascal@20630
|
242 ;_fastcall int close(ax:int fd);
|
pascal@19515
|
243 ;***************************************************************
|
pascal@20528
|
244 global @close$qi:near
|
pascal@20528
|
245 proc @close$qi near
|
pascal@19515
|
246
|
pascal@20540
|
247 global close:near ; close(ax)
|
pascal@19515
|
248 close:
|
pascal@20540
|
249 xchg ax,bx
|
pascal@19515
|
250 mov ah,3Eh
|
pascal@19515
|
251 or bx,bx
|
pascal@19515
|
252 jnz dos
|
pascal@19515
|
253 ret
|
pascal@19515
|
254
|
pascal@20528
|
255 endp @close$qi
|
pascal@19515
|
256
|
pascal@19515
|
257
|
pascal@19515
|
258 ;***************************************************************
|
pascal@20751
|
259 ;_fastcall int readrm(bx:struct himem *m, ax:int sz);
|
pascal@20630
|
260 ;_fastcall int read(ax:int fd, bx:void* data, dx:int sz);
|
pascal@20630
|
261 ;_fastcall int write(ax:int fd, bx:const void* data, dx:int sz);
|
pascal@19515
|
262 ;***************************************************************
|
pascal@20751
|
263 global @readrm$qp11image_himemi:near
|
pascal@20751
|
264 @readrm$qp11image_himemi:
|
pascal@20751
|
265 xchg ax,dx ; sz
|
pascal@20751
|
266 mov ax,[bx] ; fd
|
pascal@20751
|
267 mov bx,[bx-2] ; data
|
pascal@20528
|
268 global @read$qipvi:near
|
pascal@20528
|
269 proc @read$qipvi near
|
pascal@19515
|
270
|
pascal@20146
|
271 ifdef WRITE
|
pascal@19580
|
272 stc
|
pascal@19634
|
273 db 0B0h ; mov al,im
|
pascal@20528
|
274 global @write$qipvi:near
|
pascal@20528
|
275 @write$qipvi:
|
pascal@19580
|
276 clc
|
pascal@20146
|
277 endif
|
pascal@20632
|
278 @read$dxbxax:
|
pascal@20538
|
279 xchg ax,bx ; fd
|
pascal@20538
|
280 xchg ax,dx ; data
|
pascal@20538
|
281 xchg ax,cx ; sz
|
pascal@20146
|
282 ifdef WRITE
|
pascal@19580
|
283 mov ah,40h
|
pascal@19580
|
284 sbb ah,0
|
pascal@20146
|
285 else
|
pascal@20528
|
286 global @read$cxdxbx:near
|
pascal@20528
|
287 @read$cxdxbx:
|
pascal@20146
|
288 mov ah,3Fh
|
pascal@20146
|
289 endif
|
pascal@19515
|
290 jcxz fail
|
pascal@19515
|
291 jmp dos
|
pascal@19515
|
292
|
pascal@20528
|
293 endp @read$qipvi
|
pascal@19515
|
294
|
pascal@19515
|
295 ;***************************************************************
|
pascal@20630
|
296 ;_fastcall long lseekcur(ax:int fd, dx:int whence);
|
pascal@19515
|
297 ;***************************************************************
|
pascal@19899
|
298
|
pascal@20548
|
299 global @lseekcur$qii:near ; fd=ax whence=dx
|
pascal@20542
|
300 proc @lseekcur$qii near
|
pascal@20542
|
301
|
pascal@20632
|
302 mov cl,1
|
pascal@20542
|
303 xchg ax,bx
|
pascal@20542
|
304 xchg ax,dx
|
pascal@20542
|
305 cwd
|
pascal@20542
|
306 xchg ax,dx
|
pascal@20542
|
307 xchg ax,cx
|
pascal@20542
|
308 jmp lseek
|
pascal@20542
|
309 rewind: ; rewind(ax)
|
pascal@20542
|
310 mov bl,0
|
pascal@20632
|
311 lseek0: ; lseek0(ax,bl=dir)
|
pascal@20542
|
312 xor dx,dx
|
pascal@19571
|
313 xor cx,cx
|
pascal@20632
|
314 lseekset:
|
pascal@20542
|
315 xchg ax,bx
|
pascal@20542
|
316 lseek:
|
pascal@20548
|
317 mov ah,42h ; bx=fd cx:dx=offset al=whence
|
pascal@19515
|
318 jmp dos
|
pascal@19515
|
319
|
pascal@20542
|
320 endp @lseekcur$qii
|
pascal@19825
|
321
|
pascal@20538
|
322 ifdef EXTRA
|
pascal@20538
|
323
|
pascal@20534
|
324 ;typedef unsigned dirsizetype;
|
pascal@20534
|
325 struc isostate ; struct isostate {
|
pascal@20534
|
326 fd dw ? ; 0 int fd;
|
pascal@20534
|
327 filemod dw ? ; 2 unsigned short filemod;
|
pascal@20534
|
328 fileofs dd ? ; 4 unsigned long fileofs;
|
pascal@20534
|
329 filesize dd ? ; 8 unsigned long filesize;
|
pascal@20534
|
330 filename dw ? ;12 char *filename;
|
pascal@20534
|
331 curdirsize dw ? ;14 dirsizetype curdirsize;
|
pascal@20534
|
332 dirsize dw ? ;16 dirsizetype dirsize;
|
pascal@20534
|
333 curdirofs dd ? ;18 unsigned long curdirofs;
|
pascal@20534
|
334 dirofs dd ? ;22 unsigned long dirofs;
|
pascal@20534
|
335 curpos dw ? ;26 unsigned curpos;
|
pascal@20534
|
336 buffer db 2560 dup(?) ;28 char buffer[2048+512];
|
pascal@20534
|
337 ends ; } isostate;
|
pascal@19825
|
338 ;***************************************************************
|
pascal@20630
|
339 ;_fastcall long isolseek(bx:const unsigned long *offset);
|
pascal@20632
|
340 ;_fastcall long lseekset2(ax:int fd, bx:unsigned long* whence);
|
pascal@19825
|
341 ;***************************************************************
|
pascal@20528
|
342 global @isolseek$qpxul:near
|
pascal@20528
|
343 proc @isolseek$qpxul near
|
pascal@19825
|
344
|
pascal@20534
|
345 isolseek:
|
pascal@20632
|
346 extrn _isostate:isostate
|
pascal@20632
|
347 mov ax,[_isostate.fd]
|
pascal@20634
|
348 global @lseekset2$qipul:near
|
pascal@20632
|
349 @lseekset2$qipul:
|
pascal@19825
|
350 mov dx,[bx]
|
pascal@19825
|
351 mov cx,[bx+2]
|
pascal@20632
|
352 mov bl,0
|
pascal@20538
|
353 jmp lseekset
|
pascal@20534
|
354
|
pascal@20538
|
355 endp @isolseek$qpxul
|
pascal@20534
|
356
|
pascal@20534
|
357 ;***************************************************************
|
pascal@20630
|
358 ;_fastcall int isoreadsector(bx:const unsigned long *offset);
|
pascal@20534
|
359 ;***************************************************************
|
pascal@20534
|
360 global @isoreadsector$qpxul:near
|
pascal@20534
|
361 proc @isoreadsector$qpxul near
|
pascal@20534
|
362
|
pascal@20534
|
363 call isolseek
|
pascal@20632
|
364 jc doret
|
pascal@20632
|
365 mov dx,2560
|
pascal@20632
|
366 mov bx,offset _isostate.buffer
|
pascal@20632
|
367 mov ax,[_isostate.fd]
|
pascal@20632
|
368 jmp @read$dxbxax ; read(fd,buffer,2560)
|
pascal@20534
|
369
|
pascal@20534
|
370 endp @isoreadsector$qpxul
|
pascal@20534
|
371
|
pascal@19825
|
372 endif
|
pascal@19515
|
373
|
pascal@19515
|
374
|
pascal@20751
|
375 ifdef USE_ARGSTR
|
pascal@20751
|
376 ;***************************************************************
|
pascal@20751
|
377 ;_fastcall int argstr(bx:const char *s, ax:const char keywords[], dx:const char **var);
|
pascal@20751
|
378 ;_fastcall int argnum(bx:char *s, ax:const char keywords[], dx:unsigned long *var);
|
pascal@20751
|
379 ;***************************************************************
|
pascal@20751
|
380 global @argstr$qpxzcxt1ppxzc:near
|
pascal@20751
|
381 proc @argstr$qpxzcxt1ppxzc near
|
pascal@20751
|
382
|
pascal@21569
|
383 mov cl,2
|
pascal@21569
|
384 db 0a9h ; test ax,#
|
pascal@20751
|
385 global @argnum$qpzcxpxzcpul:near
|
pascal@20751
|
386 @argnum$qpzcxpxzcpul:
|
pascal@21569
|
387 mov cl,4
|
pascal@21569
|
388 xchg ax,bx ; keywords -> bx
|
pascal@21569
|
389 xchg ax,cx ; s -> cx
|
pascal@21569
|
390 cbw ; argstr:0002 argnum:0004
|
pascal@21569
|
391 xchg ax,dx ; vars -> ax
|
pascal@20751
|
392 push si di
|
pascal@21569
|
393 xchg ax,di ; vars => di
|
pascal@20751
|
394 dec bx
|
pascal@20751
|
395 @@testalt:
|
pascal@21569
|
396 mov al,-1
|
pascal@20751
|
397 sub di,dx
|
pascal@20751
|
398 @@test:
|
pascal@20751
|
399 cmp al,'='
|
pascal@20751
|
400 je @@found
|
pascal@21569
|
401 cmp al,0 ; eos, si=next argv
|
pascal@21569
|
402 je @@found
|
pascal@20751
|
403 mov si,cx ; s
|
pascal@20751
|
404 add di,dx
|
pascal@20751
|
405 @@match:
|
pascal@21569
|
406 inc bx ; keywords++
|
pascal@21569
|
407 lodsb ; *s++
|
pascal@20751
|
408 or al,20h
|
pascal@20751
|
409 cmp al,[bx]
|
pascal@20751
|
410 je @@match
|
pascal@20751
|
411 cmp al,'/' ; 2f
|
pascal@20751
|
412 jne @@notopt
|
pascal@20751
|
413 cmp [byte bx],'-'
|
pascal@20751
|
414 je @@match
|
pascal@20751
|
415 @@notopt:
|
pascal@20751
|
416 ifdef EXTRA
|
pascal@20751
|
417 cmp [byte bx],'/'
|
pascal@20751
|
418 je @@testalt
|
pascal@20751
|
419 endif
|
pascal@20751
|
420 cmp [byte bx],'|'
|
pascal@20751
|
421 je @@test
|
pascal@20751
|
422 mov al,0
|
pascal@20751
|
423 inc bx
|
pascal@20751
|
424 cmp [bx-1],al
|
pascal@20751
|
425 jne @@notopt
|
pascal@20751
|
426 stc
|
pascal@20751
|
427 jmp @@nokeyword
|
pascal@20751
|
428 @@found:
|
pascal@20751
|
429 mov [di],si
|
pascal@20751
|
430 dec dx
|
pascal@20751
|
431 dec dx
|
pascal@20751
|
432 je @@done
|
pascal@21569
|
433 mov bx,si
|
pascal@20751
|
434 call @strtol$qpxzc
|
pascal@20751
|
435 mov [di],ax
|
pascal@20751
|
436 mov [di+2],dx
|
pascal@20751
|
437 @@done:
|
pascal@20751
|
438 clc
|
pascal@20751
|
439 @@nokeyword:
|
pascal@20751
|
440 sbb ax,ax
|
pascal@20751
|
441 pop di si
|
pascal@20751
|
442 ret
|
pascal@20751
|
443
|
pascal@20751
|
444 endp @argstr$qpxzcxt1ppxzc
|
pascal@20751
|
445
|
pascal@20751
|
446 else
|
pascal@20751
|
447
|
pascal@19515
|
448 ;***************************************************************
|
pascal@20630
|
449 ;_fastcall int strhead(bx:const char* a, ax:const char* b);
|
pascal@19515
|
450 ;***************************************************************
|
pascal@20528
|
451 global @strhead$qpxzct1:near
|
pascal@20528
|
452 proc @strhead$qpxzct1 near
|
pascal@19515
|
453
|
pascal@19515
|
454 @@loop:
|
pascal@19634
|
455 xchg ax,bx
|
pascal@19515
|
456 mov cl,[bx] ; cl = *b++
|
pascal@19515
|
457 inc bx
|
pascal@19515
|
458 or cl,cl ; clear C
|
pascal@19515
|
459 jz fail ; return 0
|
pascal@19515
|
460 xchg ax,bx
|
pascal@19515
|
461 xor cl,[bx] ; cl -= *a++
|
pascal@19634
|
462 inc bx
|
pascal@19515
|
463 and cl,0dfh ; case insensitive
|
pascal@19634
|
464 jz @@loop
|
pascal@19634
|
465 ret ; return b (is not 0)
|
pascal@19515
|
466
|
pascal@20528
|
467 endp @strhead$qpxzct1
|
pascal@19515
|
468
|
pascal@20751
|
469 endif
|
pascal@19515
|
470
|
pascal@19515
|
471 ;***************************************************************
|
pascal@20630
|
472 ;_fastcall char* malloc_or_die(ax:unsigned size);
|
pascal@19515
|
473 ;***************************************************************
|
pascal@20528
|
474 global @malloc_or_die$qui:near
|
pascal@20528
|
475 proc @malloc_or_die$qui near
|
pascal@19515
|
476
|
pascal@20540
|
477 xchg ax,cx ; size
|
pascal@19515
|
478 global malloc_or_die:near ; malloc_or_die(cx)
|
pascal@19515
|
479 malloc_or_die:
|
pascal@20510
|
480 mov ax,[_heap_top] ; return value
|
pascal@20510
|
481 mov bx,sp
|
pascal@20510
|
482 add bh,-14h ; MIN_STACK=_1k+PAGE_SIZE
|
pascal@20510
|
483 sub bx,ax ; can't overflow
|
pascal@20510
|
484 cmp bx,cx
|
pascal@20456
|
485 mov bx,offset msg_malloc
|
pascal@20510
|
486 jb die
|
pascal@20510
|
487 add [_heap_top],cx ; _BEG has zero'd heap
|
pascal@19515
|
488 ret
|
pascal@19515
|
489
|
pascal@20528
|
490 endp @malloc_or_die$qui
|
pascal@19515
|
491
|
pascal@19515
|
492
|
pascal@19515
|
493 ;***************************************************************
|
pascal@20630
|
494 ;_fastcall int die(bx:const char* msg);
|
pascal@19538
|
495 ;int exit();
|
pascal@19515
|
496 ;int abort();
|
pascal@19515
|
497 ;***************************************************************
|
pascal@20528
|
498 global @die$qpxzc:near
|
pascal@20528
|
499 proc @die$qpxzc near
|
pascal@20528
|
500 @die$qpxzc:
|
pascal@19515
|
501 global die:near ; die(bx)
|
pascal@19515
|
502 die:
|
pascal@19515
|
503 call puts
|
pascal@20486
|
504 ; global _exit:near
|
pascal@19538
|
505 _exit:
|
pascal@19515
|
506 mov al,[_no_exit]
|
pascal@20527
|
507 or al,al
|
pascal@19515
|
508 jne @@hang
|
pascal@19515
|
509 extrn exit:near
|
pascal@19515
|
510 inc ax
|
pascal@19515
|
511 jmp near exit
|
pascal@19515
|
512 @@hang:
|
pascal@19515
|
513 mov bx, offset msg_hang
|
pascal@19515
|
514 call puts
|
pascal@20486
|
515 ; global _abort:near
|
pascal@19515
|
516 _abort:
|
pascal@19515
|
517 cli
|
pascal@19515
|
518 hlt
|
pascal@20778
|
519 jmp _abort
|
pascal@19515
|
520
|
pascal@20528
|
521 endp @die$qpxzc
|
pascal@19515
|
522
|
pascal@19546
|
523 struc image_himem ;struct image_himem {
|
pascal@19546
|
524 fd dw ? ; 0 int fd;
|
pascal@19546
|
525 fallback dd ? ; 2 u32 fallback;
|
pascal@19546
|
526 size dd ? ; 6 u32 size;
|
pascal@19546
|
527 remaining dd ? ;10 u32 remaining;
|
pascal@19546
|
528 buf dd ? ;14 u32 buf;
|
pascal@19546
|
529 bufv dw ? ;18 u32 *bufv;
|
pascal@19546
|
530 errmsg dw ? ;20 char *errmsg;
|
pascal@19546
|
531 chunk_size dd ? ;22 u32 chunk_size;
|
pascal@19546
|
532 next_chunk dw ? ;26 void (*next_chunk)(struct image_himem *);
|
pascal@19546
|
533 state dw ? ;28 u16 state;
|
pascal@19546
|
534 fd2close dw ? ;30 u16 fd2close;
|
pascal@19546
|
535 ends ;};
|
pascal@19515
|
536
|
pascal@19636
|
537 ;***************************************************************
|
pascal@20630
|
538 ;static long next_chunk(struct image_himem *di);
|
pascal@19636
|
539 ;***************************************************************
|
pascal@19636
|
540 proc next_chunk near
|
pascal@19636
|
541
|
pascal@19636
|
542 push si
|
pascal@20540
|
543 mov ax,[(image_himem di).fd]
|
pascal@19636
|
544 call close
|
pascal@19636
|
545 ifndef NO386
|
pascal@19636
|
546 xor eax,eax
|
pascal@19636
|
547 else
|
pascal@19636
|
548 xor ax,ax
|
pascal@20485
|
549 cwd
|
pascal@19636
|
550 endif
|
pascal@19636
|
551 mov [(image_himem di).fd],ax
|
pascal@19636
|
552 mov bx,[(image_himem di).state]
|
pascal@19636
|
553 cmp al,[bx] ; ""
|
pascal@19636
|
554 jz @@end
|
pascal@19636
|
555 mov si,bx
|
pascal@19636
|
556 @@scan:
|
pascal@19636
|
557 lodsb
|
pascal@19636
|
558 mov cx,si
|
pascal@19636
|
559 cmp al,','
|
pascal@19636
|
560 jz @@eos
|
pascal@20527
|
561 or al,al
|
pascal@19636
|
562 jnz @@scan
|
pascal@19636
|
563 dec cx
|
pascal@19636
|
564 @@eos:
|
pascal@19636
|
565 mov [(image_himem di).state],cx
|
pascal@19636
|
566 dec si
|
pascal@19636
|
567 push [word si]
|
pascal@20485
|
568 mov [byte si],ah ; set temp eos
|
pascal@19636
|
569 call open
|
pascal@19636
|
570 pop [word si] ; restore string
|
pascal@19636
|
571 jc @@die
|
pascal@19636
|
572 mov [(image_himem di).fd],ax
|
pascal@19636
|
573 mov [(image_himem di).fd2close],ax
|
pascal@20542
|
574 mov bl,02h ; SEEK_END
|
pascal@19636
|
575 call lseek0
|
pascal@19636
|
576 @@die:
|
pascal@19636
|
577 mov bx,[(image_himem di).errmsg]
|
pascal@19636
|
578 jc die
|
pascal@19636
|
579 ifndef NO386
|
pascal@19636
|
580 push eax
|
pascal@20548
|
581 mov ax,[(image_himem di).fd]
|
pascal@19636
|
582 call rewind
|
pascal@19636
|
583 pop eax
|
pascal@19636
|
584 @@end:
|
pascal@19636
|
585 mov [(image_himem di).chunk_size],eax
|
pascal@19636
|
586 else
|
pascal@19636
|
587 push ax
|
pascal@19636
|
588 push dx
|
pascal@20548
|
589 mov ax,[(image_himem di).fd]
|
pascal@19636
|
590 call rewind
|
pascal@19636
|
591 pop dx
|
pascal@19636
|
592 pop ax
|
pascal@19636
|
593 @@end:
|
pascal@19636
|
594 mov [word (image_himem di).chunk_size],ax
|
pascal@19636
|
595 mov [word ((image_himem di).chunk_size)+2],dx
|
pascal@19636
|
596 endif
|
pascal@19636
|
597 pop si
|
pascal@19636
|
598 ret
|
pascal@19636
|
599
|
pascal@19636
|
600 endp next_chunk
|
pascal@19636
|
601
|
pascal@19636
|
602
|
pascal@19571
|
603 ifdef LARGE_IMAGES
|
pascal@19571
|
604 struc data_himem ;struct data_himem {
|
pascal@19571
|
605 first dd ? ; 0 u32 first;
|
pascal@19571
|
606 cacheidx dw ? ; 4 int cacheidx;
|
pascal@19571
|
607 pageidx dw ? ; 6 int pageidx;
|
pascal@19571
|
608 cache dd 1024 dup(?) ; 8 int cache;
|
pascal@19571
|
609 page dd 1024 dup(?) ;4104 int page;
|
pascal@19571
|
610 ends ;}; // size=8200
|
pascal@19571
|
611 endif
|
pascal@19571
|
612
|
pascal@19515
|
613 ;***************************************************************
|
pascal@20630
|
614 ;_fastcall u32* malloc_bufv_or_die(bx:struct image_himem *m);
|
pascal@19538
|
615 ;***************************************************************
|
pascal@20528
|
616 global @malloc_bufv_or_die$qp11image_himem:near
|
pascal@20528
|
617 proc @malloc_bufv_or_die$qp11image_himem near
|
pascal@19538
|
618
|
pascal@19636
|
619 p386
|
pascal@19538
|
620 push si
|
pascal@20538
|
621 mov si,bx
|
pascal@19571
|
622 ifdef LARGE_IMAGES
|
pascal@20527
|
623 movzx ecx,[word ((image_himem si).size) + 2]
|
pascal@19571
|
624 shr cx,4 ; pages index size = size >> 20
|
pascal@19571
|
625 add cx,8+4096+8
|
pascal@19571
|
626 call malloc_or_die
|
pascal@20527
|
627 mov cx,4096+4095 ; cnt = 1+(m->size+PAGE_MASK)/PAGE_SIZE;
|
pascal@19571
|
628 add ecx,[(image_himem si).size]
|
pascal@19571
|
629 shr ecx,12
|
pascal@19571
|
630 mov [curdata],ax
|
pascal@19571
|
631 else
|
pascal@19546
|
632 mov ecx,[(image_himem si).size]
|
pascal@19538
|
633 dec ecx
|
pascal@19538
|
634 shr ecx,12
|
pascal@19538
|
635 inc cx ; cnt = (m->size+PAGE_MASK)/PAGE_SIZE;
|
pascal@19538
|
636 push cx
|
pascal@19538
|
637 inc cx ; cnt+1
|
pascal@19538
|
638 shl cx,2 ; bufv => vcpi => vm86
|
pascal@19538
|
639 ; our malloc zeroes allocated mem: bufv[cnt]=0;
|
pascal@19538
|
640 ; Allocate pages, storing addrs in addrbuf
|
pascal@19538
|
641 call malloc_or_die
|
pascal@19571
|
642 pop cx
|
pascal@19571
|
643 push ax
|
pascal@19571
|
644 endif
|
pascal@19546
|
645 mov [(image_himem si).bufv],ax
|
pascal@19571
|
646 xchg ax,si
|
pascal@19538
|
647 @@vcpi_alloc:
|
pascal@19538
|
648 xor edx,edx
|
pascal@19538
|
649 mov ax,0DE04h
|
pascal@19538
|
650 int 67h
|
pascal@19538
|
651 or ah,ah
|
pascal@19538
|
652 mov bx,offset vcpi_alloc_err
|
pascal@19571
|
653 jnz die
|
pascal@19571
|
654 ; for (i = cnt-1; i >= 0; i--)
|
pascal@19571
|
655 ifdef LARGE_IMAGES
|
pascal@19571
|
656 mov eax,ecx
|
pascal@19571
|
657 dec eax
|
pascal@19571
|
658 else
|
pascal@19571
|
659 mov ax,cx
|
pascal@19571
|
660 dec ax
|
pascal@19571
|
661 cwde
|
pascal@19571
|
662 endif
|
pascal@19571
|
663 shl eax,12 ; i*_4k
|
pascal@19571
|
664 ; if (edx < pm.fallback+i*_4k && edx >= pm.fallback) again
|
pascal@19899
|
665 extrn _imgs
|
pascal@19899
|
666 mov bx,offset _imgs+2
|
pascal@19571
|
667 push eax
|
pascal@19571
|
668 add eax,[bx-2+2]
|
pascal@19571
|
669 cmp eax,edx ; pm.fallback+i*_4k <= edx ?
|
pascal@19571
|
670 pop eax ; i*_4k
|
pascal@19571
|
671 jbe @@pmok
|
pascal@19571
|
672 cmp edx,[bx-2+2] ; edx >= pm.fallback ?
|
pascal@19571
|
673 jae @@vcpi_alloc
|
pascal@19571
|
674 @@pmok:
|
pascal@19571
|
675 ; if (edx >= initrd.fallback+i*_4k && edx < initrd.fallback+initrd.size) again
|
pascal@19899
|
676 extrn _imgs
|
pascal@19899
|
677 mov bx,offset _imgs+32+2
|
pascal@19571
|
678 add eax,[bx-2+2] ; +initrd.fallback
|
pascal@19571
|
679 cmp eax,edx ; initrd.fallback+i*_4k > edx ?
|
pascal@19571
|
680 ja @@initrdok
|
pascal@19571
|
681 mov eax,[bx-2+6] ; initrd.size
|
pascal@19571
|
682 add eax,[bx-2+2] ; +initrd.fallback
|
pascal@19571
|
683 cmp eax,edx ; initrd.fallback+initrd.size > edx ?
|
pascal@19571
|
684 @@jnc_vcpi_alloc:
|
pascal@19571
|
685 ja @@vcpi_alloc
|
pascal@19571
|
686 @@initrdok:
|
pascal@19571
|
687 ifdef LARGE_IMAGES
|
pascal@19571
|
688 cmp [(data_himem si).first],0
|
pascal@19571
|
689 jne @@notfirst
|
pascal@19571
|
690 mov [(data_himem si).first],edx
|
pascal@19571
|
691 @@notfirst:
|
pascal@19571
|
692 mov bx,[(data_himem si).cacheidx]
|
pascal@19571
|
693 cmp bh,4
|
pascal@19571
|
694 jae @@nextpage
|
pascal@19571
|
695 shl bx,2
|
pascal@19571
|
696 inc [(data_himem si).cacheidx]
|
pascal@19571
|
697 mov [(data_himem bx+si).cache],edx
|
pascal@19571
|
698 loopd @@vcpi_alloc
|
pascal@19571
|
699 mov [(data_himem bx+si).cache],ecx ; last is 0
|
pascal@19571
|
700 @@nextpage:
|
pascal@19571
|
701 and [(data_himem si).cacheidx],0
|
pascal@19571
|
702 mov bx,[(data_himem si).pageidx]
|
pascal@19571
|
703 mov [(data_himem bx+si).page],edx
|
pascal@19571
|
704 add [(data_himem si).pageidx],4
|
pascal@19571
|
705 push cx
|
pascal@19571
|
706 lea cx,[(data_himem si).cache]
|
pascal@19571
|
707 ifdef NO386
|
pascal@19571
|
708 push edx
|
pascal@19571
|
709 pop dx
|
pascal@19571
|
710 pop ax
|
pascal@19571
|
711 endif
|
pascal@19571
|
712 call storepage ; storepage(edx,cx)
|
pascal@19571
|
713 pop cx
|
pascal@19571
|
714 or ecx,ecx ; clear C
|
pascal@19571
|
715 jnz @@jnc_vcpi_alloc
|
pascal@19571
|
716 mov [dword (data_himem si).cacheidx],ecx
|
pascal@19571
|
717 xchg ax,si
|
pascal@19571
|
718 else
|
pascal@19571
|
719 mov [si],edx
|
pascal@19571
|
720 lodsd ; si=+4
|
pascal@19538
|
721 loop @@vcpi_alloc
|
pascal@19538
|
722 pop ax
|
pascal@19571
|
723 endif
|
pascal@19538
|
724 pop si
|
pascal@19538
|
725 ret
|
pascal@19636
|
726 ifdef NO386
|
pascal@19636
|
727 p8086
|
pascal@19636
|
728 endif
|
pascal@19538
|
729
|
pascal@20528
|
730 endp @malloc_bufv_or_die$qp11image_himem
|
pascal@19538
|
731
|
pascal@19538
|
732
|
pascal@19538
|
733 ;***************************************************************
|
pascal@20630
|
734 ;_fastcall void memcpy_image(bx:struct image_himem *m);
|
pascal@19515
|
735 ;***************************************************************
|
pascal@20528
|
736 global @memcpy_image$qp11image_himem:near
|
pascal@20528
|
737 proc @memcpy_image$qp11image_himem near
|
pascal@19515
|
738
|
pascal@19571
|
739 ifndef NO386
|
pascal@19571
|
740 mov edx,[(image_himem bx).fallback]
|
pascal@19571
|
741 mov eax,[(image_himem bx).buf]
|
pascal@19571
|
742 cmp eax,edx ; if (m->fallback != m->buf)
|
pascal@19571
|
743 jz @@skip ; memcpy32(m->fallback,0,m->buf,m->size)
|
pascal@19571
|
744 ifdef LARGE_IMAGES
|
pascal@19571
|
745 mov ecx,[(image_himem bx).size]
|
pascal@20146
|
746 memcpy_imagez: ; memcpy_imagez(edx,eax,ecx)
|
pascal@19571
|
747 push ecx
|
pascal@19571
|
748 else
|
pascal@19571
|
749 push [(image_himem bx).size]
|
pascal@19571
|
750 endif
|
pascal@19571
|
751 push eax
|
pascal@19571
|
752 push 0
|
pascal@19571
|
753 call_memcpy32:
|
pascal@19571
|
754 push edx
|
pascal@19571
|
755 else
|
pascal@19571
|
756 mov ax,[word ((image_himem bx).fallback)]
|
pascal@19571
|
757 mov dx,[word ((image_himem bx).fallback)+2]
|
pascal@19571
|
758 mov cx,[word ((image_himem bx).buf)]
|
pascal@19571
|
759 cmp ax,cx ; if (m->fallback != m->buf)
|
pascal@19571
|
760 jnz @@do
|
pascal@19571
|
761 cmp dx,[word ((image_himem bx).buf)+2]
|
pascal@19571
|
762 jz @@skip ; memcpy32(m->fallback,0,m->buf,m->size)
|
pascal@19571
|
763 @@do:
|
pascal@19571
|
764 push [word ((image_himem bx).size)+2]
|
pascal@19571
|
765 push [word ((image_himem bx).size)]
|
pascal@19571
|
766 push [word ((image_himem bx).buf)+2]
|
pascal@19571
|
767 push cx
|
pascal@19571
|
768 xor cx,cx
|
pascal@19571
|
769 push cx
|
pascal@19571
|
770 call_memcpy32:
|
pascal@19571
|
771 push dx
|
pascal@19571
|
772 push ax
|
pascal@19571
|
773 ifdef LARGE_IMAGES
|
pascal@19571
|
774 jmp @@memcpy
|
pascal@20146
|
775 memcpy_imagez: ; memcpy_imagez(edx,eax,ecx)
|
pascal@19636
|
776 p386
|
pascal@19571
|
777 push ecx
|
pascal@19571
|
778 push eax
|
pascal@19571
|
779 push 0
|
pascal@19571
|
780 push edx
|
pascal@19636
|
781 ifdef NO386
|
pascal@19636
|
782 p8086
|
pascal@19636
|
783 endif
|
pascal@19571
|
784 endif
|
pascal@19571
|
785 endif
|
pascal@19571
|
786 @@memcpy:
|
pascal@20528
|
787 extrn memcpy32:near
|
pascal@20528
|
788 call near memcpy32
|
pascal@19571
|
789 @@skip:
|
pascal@19571
|
790 ret
|
pascal@19571
|
791
|
pascal@20528
|
792 endp @memcpy_image$qp11image_himem
|
pascal@19571
|
793
|
pascal@19571
|
794 ;***************************************************************
|
pascal@20630
|
795 ;_fastcall void storepage(bx:u32 *dst);
|
pascal@19571
|
796 ;***************************************************************
|
pascal@20538
|
797 global @storepage$qpul:near
|
pascal@20538
|
798 proc @storepage$qpul near
|
pascal@19571
|
799
|
pascal@19571
|
800 ifndef NO386
|
pascal@19571
|
801 mov edx,[bx]
|
pascal@19571
|
802 else
|
pascal@19571
|
803 mov ax,[bx]
|
pascal@19571
|
804 mov dx,[bx+2]
|
pascal@19571
|
805 endif
|
pascal@20538
|
806 mov cx,offset _xfer_buf
|
pascal@20146
|
807 storepage: ; storepage(edx,cx)
|
pascal@19571
|
808 ifndef NO386
|
pascal@19571
|
809 push 0
|
pascal@19571
|
810 push 4096
|
pascal@19571
|
811 push 0
|
pascal@19571
|
812 else
|
pascal@19571
|
813 xor bx,bx
|
pascal@19571
|
814 push bx
|
pascal@19571
|
815 mov bh,4096/256
|
pascal@19571
|
816 push bx
|
pascal@19571
|
817 xor bx,bx
|
pascal@19571
|
818 push bx
|
pascal@19571
|
819 endif
|
pascal@19571
|
820 push cx
|
pascal@19571
|
821 push ds
|
pascal@19571
|
822 jmp call_memcpy32
|
pascal@19571
|
823
|
pascal@20538
|
824 endp @storepage$qpul
|
pascal@19571
|
825
|
pascal@19571
|
826
|
pascal@19571
|
827 ifdef LARGE_IMAGES
|
pascal@19636
|
828 p386
|
pascal@19571
|
829 ;***************************************************************
|
pascal@20630
|
830 ;_fastcall void reset_bufv(bx:u32 *p);
|
pascal@19571
|
831 ;***************************************************************
|
pascal@20528
|
832 global @reset_bufv$qpul:near
|
pascal@20528
|
833 proc @reset_bufv$qpul near
|
pascal@19571
|
834
|
pascal@20524
|
835 mov [curdata],bx
|
pascal@19571
|
836 and [dword (data_himem bx).cacheidx],0
|
pascal@19571
|
837 ret
|
pascal@19571
|
838
|
pascal@20528
|
839 endp @reset_bufv$qpul
|
pascal@19571
|
840
|
pascal@19571
|
841 ;***************************************************************
|
pascal@19571
|
842 ;u32* prev_bufv();
|
pascal@19571
|
843 ;u32* prev_bufv();
|
pascal@19571
|
844 ;***************************************************************
|
pascal@19571
|
845 global _prev_bufv:near
|
pascal@19571
|
846 global _next_bufv:near
|
pascal@19571
|
847 proc _prev_bufv near
|
pascal@19571
|
848
|
pascal@19571
|
849 stc
|
pascal@19571
|
850 db 73h ; jnc
|
pascal@19571
|
851 _next_bufv:
|
pascal@19571
|
852 clc
|
pascal@20528
|
853 push si
|
pascal@20528
|
854 mov si,[curdata]
|
pascal@19571
|
855 sbb ax,ax
|
pascal@20527
|
856 cmc
|
pascal@20527
|
857 adc ax,[(data_himem si).cacheidx] ; -1/+1
|
pascal@19571
|
858 xor ecx,ecx
|
pascal@19571
|
859 test ax,0fc00h
|
pascal@19571
|
860 jz @@gotpage
|
pascal@19571
|
861 push ax ; FFFF / 0400
|
pascal@19571
|
862 sar ax,8 ; FFFC / 0004
|
pascal@19571
|
863 and al,0fch
|
pascal@19571
|
864 add [(data_himem si).pageidx],ax
|
pascal@19571
|
865 mov bx,[(data_himem si).pageidx]
|
pascal@19571
|
866 lea bx,[(data_himem bx+si).page]
|
pascal@19571
|
867 mov edx,ds
|
pascal@19571
|
868 shl edx,4
|
pascal@19571
|
869 lea cx,[(data_himem si).cache]
|
pascal@19571
|
870 add edx,ecx
|
pascal@19571
|
871 mov eax,[bx]
|
pascal@19571
|
872 or eax,eax
|
pascal@19571
|
873 jnz @@pageok
|
pascal@19571
|
874 pop ax
|
pascal@19571
|
875 xchg ax,bx
|
pascal@19571
|
876 pop si
|
pascal@19571
|
877 ret
|
pascal@19571
|
878 @@pageok:
|
pascal@19571
|
879 mov cx,4096
|
pascal@19571
|
880 call memcpy_imagez ; get page
|
pascal@19571
|
881 pop ax ; FFFF / 0400
|
pascal@19571
|
882 cbw
|
pascal@19571
|
883 shr ax,6 ; 03FF / 0000
|
pascal@19571
|
884 @@gotpage:
|
pascal@19571
|
885 mov [(data_himem si).cacheidx],ax
|
pascal@19571
|
886 shl ax,2
|
pascal@19571
|
887 xchg ax,bx
|
pascal@19571
|
888 lea ax,[(data_himem bx+si).cache]
|
pascal@19571
|
889 or bx,[(data_himem si).pageidx] ; !pageidx && !cacheidx
|
pascal@19571
|
890 jnz @@notfirst2
|
pascal@19571
|
891 xchg ax,si ; &first
|
pascal@19571
|
892 @@notfirst2:
|
pascal@19571
|
893 pop si
|
pascal@19571
|
894 ret
|
pascal@19571
|
895
|
pascal@19571
|
896 endp _prev_bufv
|
pascal@19571
|
897 endif
|
pascal@19571
|
898
|
pascal@20146
|
899 ifdef NO386
|
pascal@20146
|
900 p8086
|
pascal@20146
|
901 endif
|
pascal@19571
|
902
|
pascal@19571
|
903 ;***************************************************************
|
pascal@20630
|
904 ;_fastcall void open_image(bx:const char *name, ax:struct image_himem *m);
|
pascal@19515
|
905 ;***************************************************************
|
pascal@20528
|
906 global @open_image$qpxzcp11image_himem:near
|
pascal@20528
|
907 proc @open_image$qpxzcp11image_himem near
|
pascal@19515
|
908
|
pascal@20484
|
909 push di
|
pascal@20485
|
910 xchg ax,di
|
pascal@20538
|
911 ifdef EXTRA
|
pascal@20538
|
912 cmp [(image_himem di).fd],0 ; iso image/kernel ?
|
pascal@20538
|
913 jnz @@alreadydone
|
pascal@20538
|
914 endif
|
pascal@20484
|
915 mov [(image_himem di).state],bx
|
pascal@20484
|
916 push bx
|
pascal@20534
|
917 ifdef EXTRA
|
pascal@20538
|
918 cmp [(image_himem di).next_chunk],0 ; iso image/initrd ?
|
pascal@20538
|
919 jnz @@next
|
pascal@20534
|
920 mov [(image_himem di).next_chunk],offset next_chunk
|
pascal@19515
|
921 @@next:
|
pascal@19546
|
922 call [(image_himem di).next_chunk] ; m->next_chunk()
|
pascal@20778
|
923 else
|
pascal@20778
|
924 @@next:
|
pascal@20778
|
925 call next_chunk
|
pascal@20778
|
926 endif
|
pascal@19515
|
927 ifndef NO386
|
pascal@19515
|
928 add eax,3
|
pascal@19515
|
929 and al,0FCh
|
pascal@19546
|
930 add [(image_himem di).size],eax ; m->size += m->chunk_size
|
pascal@19515
|
931 or eax,eax
|
pascal@19515
|
932 else
|
pascal@19515
|
933 add ax,3
|
pascal@19515
|
934 adc dx,0
|
pascal@19515
|
935 and al,0FCh
|
pascal@19546
|
936 add [word (image_himem di).size],ax ; m->size += m->chunk_size
|
pascal@19546
|
937 adc [word ((image_himem di).size)+2],dx
|
pascal@20520
|
938 or ax,dx
|
pascal@19515
|
939 endif
|
pascal@20520
|
940 jnz @@next
|
pascal@20484
|
941 pop [(image_himem di).state]
|
pascal@20778
|
942 ifdef EXTRA
|
pascal@19546
|
943 call [(image_himem di).next_chunk] ; m->next_chunk()
|
pascal@20778
|
944 else
|
pascal@20778
|
945 call next_chunk
|
pascal@20778
|
946 endif
|
pascal@20538
|
947 @@alreadydone:
|
pascal@20484
|
948 pop di
|
pascal@19515
|
949 ret
|
pascal@19515
|
950
|
pascal@20528
|
951 endp @open_image$qpxzcp11image_himem
|
pascal@19515
|
952
|
pascal@19515
|
953
|
pascal@19515
|
954 ;***************************************************************
|
pascal@20630
|
955 ;_fastcall int read_image(bx:struct image_himem *m);
|
pascal@19515
|
956 ;***************************************************************
|
pascal@20538
|
957 global @read_image$qp11image_himem:near
|
pascal@20538
|
958 proc @read_image$qp11image_himem near
|
pascal@19515
|
959
|
pascal@20539
|
960 push si di
|
pascal@20538
|
961 mov di,bx
|
pascal@20539
|
962 mov si,4096
|
pascal@20539
|
963 push si ; original size
|
pascal@19515
|
964 @@loop:
|
pascal@19538
|
965 ifndef NO386
|
pascal@20539
|
966 movzx ecx,si
|
pascal@19546
|
967 mov eax,[(image_himem di).chunk_size]
|
pascal@19538
|
968 cmp ecx,eax
|
pascal@19538
|
969 jb @@szok
|
pascal@19538
|
970 else
|
pascal@20539
|
971 mov cx,si
|
pascal@19546
|
972 mov ax,[word (image_himem di).chunk_size]
|
pascal@19538
|
973 cmp cx,ax
|
pascal@19515
|
974 jb @@szok
|
pascal@19546
|
975 cmp [word ((image_himem di).chunk_size)+2],0 ; hi m->chunk_size
|
pascal@19515
|
976 jne @@szok
|
pascal@20484
|
977 endif
|
pascal@19515
|
978 xchg ax,cx
|
pascal@19515
|
979 @@szok:
|
pascal@19538
|
980 jcxz image_done
|
pascal@20778
|
981 mov dx,offset _xfer_buf+4096
|
pascal@20778
|
982 sub dx,si
|
pascal@20538
|
983 mov bx,[di]
|
pascal@20528
|
984 call @read$cxdxbx
|
pascal@19538
|
985 jc image_done
|
pascal@19515
|
986 xor cx,cx
|
pascal@20539
|
987 cwd ; ax < 8000h
|
pascal@19538
|
988 ifndef NO386
|
pascal@19538
|
989 cwde ; ax < 8000h
|
pascal@19546
|
990 sub [(image_himem di).chunk_size],eax
|
pascal@20541
|
991 xchg eax,ebx
|
pascal@19538
|
992 else
|
pascal@19546
|
993 sub [word (image_himem di).chunk_size],ax
|
pascal@20539
|
994 xchg ax,bx
|
pascal@19546
|
995 sbb [word ((image_himem di).chunk_size)+2],dx
|
pascal@19538
|
996 jnz @@fill
|
pascal@19546
|
997 cmp [word (image_himem di).chunk_size],dx
|
pascal@19538
|
998 endif
|
pascal@19538
|
999 jnz @@fill
|
pascal@20539
|
1000 dec cx
|
pascal@19515
|
1001 @@fill:
|
pascal@20539
|
1002 test bl,3
|
pascal@19515
|
1003 je @@filled
|
pascal@20539
|
1004 mov [bx+_xfer_buf],dh
|
pascal@20539
|
1005 inc bx
|
pascal@19515
|
1006 jmp @@fill
|
pascal@19515
|
1007 @@filled:
|
pascal@19538
|
1008 ifndef NO386
|
pascal@20541
|
1009 sub [(image_himem di).remaining],ebx
|
pascal@19538
|
1010 else
|
pascal@20539
|
1011 sub [word (image_himem di).remaining],bx
|
pascal@19546
|
1012 sbb [word ((image_himem di).remaining)+2],dx
|
pascal@19538
|
1013 endif
|
pascal@20541
|
1014 sub si,bx
|
pascal@19538
|
1015 pushf
|
pascal@20778
|
1016 ifdef EXTRA
|
pascal@20539
|
1017 and cx,[(image_himem di).next_chunk]
|
pascal@20484
|
1018 jcxz @@same_chunk
|
pascal@20778
|
1019 push di
|
pascal@20539
|
1020 call cx
|
pascal@20778
|
1021 pop cx
|
pascal@20778
|
1022 else
|
pascal@20778
|
1023 jcxz @@same_chunk
|
pascal@20778
|
1024 call next_chunk
|
pascal@20778
|
1025 endif
|
pascal@19538
|
1026 @@same_chunk:
|
pascal@19538
|
1027 popf
|
pascal@19538
|
1028 jnz @@loop
|
pascal@20484
|
1029 image_done:
|
pascal@20528
|
1030 pop ax ; original size
|
pascal@20539
|
1031 sub ax,si
|
pascal@20539
|
1032 pop di si
|
pascal@20538
|
1033 ret
|
pascal@19515
|
1034
|
pascal@20538
|
1035 endp @read_image$qp11image_himem
|
pascal@19515
|
1036
|
pascal@19515
|
1037
|
pascal@19515
|
1038 ;***************************************************************
|
pascal@21569
|
1039 ;_fastcall unsigned long strtol(const char *s);
|
pascal@19515
|
1040 ;***************************************************************
|
pascal@20528
|
1041 global @strtol$qpxzc:near
|
pascal@20528
|
1042 proc @strtol$qpxzc near
|
pascal@19515
|
1043
|
pascal@20528
|
1044 ifndef NO386
|
pascal@19515
|
1045 push si
|
pascal@21569
|
1046 mov si,bx
|
pascal@19515
|
1047 xor ecx,ecx
|
pascal@19515
|
1048 xor eax,eax
|
pascal@21569
|
1049 xor ebx,ebx
|
pascal@21569
|
1050 or si,si
|
pascal@21569
|
1051 jz @@end
|
pascal@19515
|
1052 lodsb
|
pascal@19634
|
1053 mov dx,ax
|
pascal@19634
|
1054 or al,20h
|
pascal@19634
|
1055 cmp al,'n' ; vga=normal
|
pascal@19538
|
1056 je @@vga
|
pascal@19538
|
1057 dec cx
|
pascal@19634
|
1058 cmp al,'e' ; vga=extended
|
pascal@19538
|
1059 je @@vga
|
pascal@19538
|
1060 dec cx
|
pascal@19634
|
1061 cmp al,'a' ; vga=ask
|
pascal@19538
|
1062 jne @@notvga
|
pascal@19538
|
1063 @@vga:
|
pascal@19538
|
1064 dec cx
|
pascal@19538
|
1065 xchg ax,cx
|
pascal@19538
|
1066 cwd
|
pascal@19634
|
1067 jmp @@popsiret
|
pascal@19538
|
1068 @@notvga:
|
pascal@19538
|
1069 mov cx,10 ; radix
|
pascal@19634
|
1070 xchg ax,dx
|
pascal@19515
|
1071 cmp al,'+'
|
pascal@19515
|
1072 je @@radixskip
|
pascal@19515
|
1073 cmp al,'-'
|
pascal@19515
|
1074 clc
|
pascal@19515
|
1075 jne @@radixkeep
|
pascal@19515
|
1076 stc
|
pascal@19515
|
1077 @@radixskip:
|
pascal@19515
|
1078 lodsb
|
pascal@19515
|
1079 @@radixkeep:
|
pascal@19515
|
1080 pushf
|
pascal@19515
|
1081 cmp al,'0'
|
pascal@19515
|
1082 jne @@radixok
|
pascal@19515
|
1083 mov cl,8
|
pascal@19515
|
1084 lodsb
|
pascal@19634
|
1085 or al,20h
|
pascal@19634
|
1086 cmp al,'x'
|
pascal@19515
|
1087 jne @@radixok
|
pascal@19515
|
1088 mov cl,16
|
pascal@19515
|
1089 @@strtollp:
|
pascal@19515
|
1090 lodsb
|
pascal@19515
|
1091 @@radixok:
|
pascal@19634
|
1092 or al,20h
|
pascal@19515
|
1093 sub al,'0'
|
pascal@19515
|
1094 jb @@endstrtol
|
pascal@19515
|
1095 cmp al,9
|
pascal@19515
|
1096 jbe @@digitok
|
pascal@19515
|
1097 cmp al,'a'-'0'
|
pascal@19515
|
1098 jb @@endstrtol
|
pascal@19515
|
1099 sub al,'a'-'0'-10
|
pascal@19515
|
1100 @@digitok:
|
pascal@19515
|
1101 cmp al,cl
|
pascal@19515
|
1102 jae @@endstrtol
|
pascal@19515
|
1103 xchg eax,ebx
|
pascal@19515
|
1104 mul ecx
|
pascal@19515
|
1105 add eax,ebx
|
pascal@19515
|
1106 xchg eax,ebx
|
pascal@19515
|
1107 jmp @@strtollp
|
pascal@19515
|
1108 @@endstrtol:
|
pascal@19515
|
1109 mov cl,10
|
pascal@19515
|
1110 cmp al,'k'-'a'+10
|
pascal@19515
|
1111 je @@shift
|
pascal@19515
|
1112 mov cl,20
|
pascal@19515
|
1113 cmp al,'m'-'a'+10
|
pascal@19515
|
1114 je @@shift
|
pascal@19515
|
1115 mov cl,30
|
pascal@19515
|
1116 cmp al,'g'-'a'+10
|
pascal@19515
|
1117 jne @@noshift
|
pascal@19515
|
1118 @@shift:
|
pascal@19515
|
1119 shl ebx,cl
|
pascal@19515
|
1120 @@noshift:
|
pascal@19515
|
1121 popf
|
pascal@19515
|
1122 jnc @@end
|
pascal@19515
|
1123 neg ebx
|
pascal@19515
|
1124 @@end:
|
pascal@19515
|
1125 push ebx
|
pascal@19515
|
1126 pop ax
|
pascal@19515
|
1127 pop dx
|
pascal@19634
|
1128 @@popsiret:
|
pascal@19515
|
1129 pop si
|
pascal@19515
|
1130 else
|
pascal@19515
|
1131 push si
|
pascal@19515
|
1132 push di
|
pascal@19515
|
1133 xor ax,ax
|
pascal@19515
|
1134 cwd
|
pascal@21569
|
1135 or bx,bx
|
pascal@21569
|
1136 jz @@goend
|
pascal@19515
|
1137 xchg ax,di
|
pascal@21569
|
1138 mov si,bx
|
pascal@19538
|
1139 lodsb
|
pascal@19634
|
1140 mov bx,ax
|
pascal@19634
|
1141 or al,20h
|
pascal@19538
|
1142 mov cx,-1
|
pascal@19634
|
1143 cmp al,'n' ; vga=normal
|
pascal@19538
|
1144 je @@vga
|
pascal@19538
|
1145 dec cx
|
pascal@19634
|
1146 cmp al,'e' ; vga=extended
|
pascal@19538
|
1147 je @@vga
|
pascal@19538
|
1148 dec cx
|
pascal@19634
|
1149 cmp al,'a' ; vga=ask
|
pascal@19538
|
1150 jne @@notvga
|
pascal@19538
|
1151 @@vga:
|
pascal@19538
|
1152 xchg ax,cx
|
pascal@19538
|
1153 @@goend:
|
pascal@19634
|
1154 jmp @@popdisiret
|
pascal@19538
|
1155 @@notvga:
|
pascal@19515
|
1156 mov cx,10 ; radix
|
pascal@19634
|
1157 xchg ax,bx
|
pascal@19515
|
1158 cmp al,'+'
|
pascal@19515
|
1159 je @@radixskip
|
pascal@19515
|
1160 cmp al,'-'
|
pascal@19515
|
1161 clc
|
pascal@19515
|
1162 jne @@radixkeep
|
pascal@19515
|
1163 stc
|
pascal@19515
|
1164 @@radixskip:
|
pascal@19515
|
1165 lodsb
|
pascal@19515
|
1166 @@radixkeep:
|
pascal@19515
|
1167 pushf
|
pascal@19515
|
1168 cmp al,'0'
|
pascal@19515
|
1169 jne @@radixok
|
pascal@19515
|
1170 mov cl,8
|
pascal@19515
|
1171 lodsb
|
pascal@20146
|
1172 or al,20h
|
pascal@19634
|
1173 cmp al,'x'
|
pascal@19515
|
1174 jne @@radixok
|
pascal@19515
|
1175 mov cl,16
|
pascal@19515
|
1176 @@strtollp:
|
pascal@19515
|
1177 lodsb
|
pascal@19515
|
1178 @@radixok:
|
pascal@19634
|
1179 or al,20h
|
pascal@19515
|
1180 sub al,'0'
|
pascal@19515
|
1181 jb @@endstrtol
|
pascal@19515
|
1182 cmp al,9
|
pascal@19515
|
1183 jbe @@digitok
|
pascal@19515
|
1184 cmp al,'a'-'0'
|
pascal@19515
|
1185 jb @@endstrtol
|
pascal@19515
|
1186 sub al,'a'-'0'-10
|
pascal@19515
|
1187 @@digitok:
|
pascal@19515
|
1188 cmp al,cl
|
pascal@19515
|
1189 jae @@endstrtol
|
pascal@19515
|
1190
|
pascal@19515
|
1191 push ax
|
pascal@19515
|
1192 push si
|
pascal@19515
|
1193 push dx
|
pascal@19515
|
1194 xchg ax,di
|
pascal@19515
|
1195 mul cx
|
pascal@19515
|
1196 xchg ax,di
|
pascal@19515
|
1197 xchg ax,dx
|
pascal@19515
|
1198 xchg ax,si
|
pascal@19515
|
1199 pop ax
|
pascal@19515
|
1200 mul cx
|
pascal@19515
|
1201 add ax,si
|
pascal@19515
|
1202 pop si
|
pascal@19515
|
1203 xchg ax,dx
|
pascal@19515
|
1204 pop ax
|
pascal@19515
|
1205 mov ah,0
|
pascal@19515
|
1206 add di,ax
|
pascal@19515
|
1207 adc dx,0
|
pascal@19515
|
1208
|
pascal@19515
|
1209 jmp @@strtollp
|
pascal@19515
|
1210 @@endstrtol:
|
pascal@19515
|
1211 mov cl,10
|
pascal@19515
|
1212 cmp al,'k'-'a'+10
|
pascal@19515
|
1213 je @@shift
|
pascal@19515
|
1214 mov cl,20
|
pascal@19515
|
1215 cmp al,'m'-'a'+10
|
pascal@19515
|
1216 je @@shift
|
pascal@19515
|
1217 mov cl,30
|
pascal@19515
|
1218 cmp al,'g'-'a'+10
|
pascal@19515
|
1219 jne @@noshift
|
pascal@19515
|
1220 @@shift:
|
pascal@19515
|
1221 rcl di,1
|
pascal@19515
|
1222 shl dx,1
|
pascal@19515
|
1223 loop @@shift
|
pascal@19515
|
1224 @@noshift:
|
pascal@19515
|
1225 popf
|
pascal@19515
|
1226 jnc @@end
|
pascal@19515
|
1227 not dx
|
pascal@19515
|
1228 neg di
|
pascal@19515
|
1229 jne @@end
|
pascal@19515
|
1230 inc dx
|
pascal@19515
|
1231 @@end:
|
pascal@19515
|
1232 xchg ax,di
|
pascal@19634
|
1233 @@popdisiret:
|
pascal@19515
|
1234 pop di
|
pascal@19515
|
1235 pop si
|
pascal@19515
|
1236 endif
|
pascal@20528
|
1237 strtol_ret:
|
pascal@19515
|
1238 ret
|
pascal@19515
|
1239
|
pascal@20528
|
1240 endp @strtol$qpxzc
|
pascal@19515
|
1241
|
pascal@19515
|
1242
|
pascal@20751
|
1243 ifdef USE_ARGSTR
|
pascal@20751
|
1244 ;***************************************************************
|
pascal@20751
|
1245 ;_fastcall void set_cmdline(bx:const char *filename);
|
pascal@20751
|
1246 ;***************************************************************
|
pascal@20751
|
1247 global @set_cmdline$qpxzc:near
|
pascal@20751
|
1248 proc @set_cmdline$qpxzc near
|
pascal@20751
|
1249 call openargs
|
pascal@20751
|
1250 jc strtol_ret
|
pascal@20751
|
1251 mov cx,4096
|
pascal@20751
|
1252 mov di,[_heap_top]
|
pascal@20751
|
1253 extrn read_cmdline:near
|
pascal@20751
|
1254 jmp near read_cmdline ; read_cmdline(ax,di,cx)
|
pascal@20751
|
1255
|
pascal@20751
|
1256 endp @set_cmdline$qpxzc
|
pascal@20751
|
1257 endif
|
pascal@20751
|
1258
|
pascal@20751
|
1259
|
pascal@19515
|
1260 ifdef NO386
|
pascal@19515
|
1261 ;***************************************************************
|
pascal@19515
|
1262 ;u16 topseg();
|
pascal@19515
|
1263 ;***************************************************************
|
pascal@19515
|
1264 global _topseg:near
|
pascal@19515
|
1265 proc _topseg near
|
pascal@19515
|
1266
|
pascal@19515
|
1267 int 12h
|
pascal@19515
|
1268 jnc @@max640k
|
pascal@19515
|
1269 mov ax,640 ; 9000
|
pascal@19515
|
1270 @@max640k:
|
pascal@19634
|
1271 dec ax
|
pascal@19515
|
1272 and al,0C0h
|
pascal@19515
|
1273 mov cl,6
|
pascal@19515
|
1274 shl ax,cl
|
pascal@19515
|
1275 ret
|
pascal@19515
|
1276
|
pascal@19515
|
1277 endp _topseg
|
pascal@19515
|
1278 endif
|
pascal@19515
|
1279
|
pascal@19825
|
1280 ifdef EXTRA
|
pascal@19825
|
1281 p8086
|
pascal@19825
|
1282 ;***************************************************************
|
pascal@19825
|
1283 ;char *progname(void)
|
pascal@19825
|
1284 ;***************************************************************
|
pascal@19825
|
1285 global _progname:near
|
pascal@19825
|
1286 proc _progname near
|
pascal@19825
|
1287
|
pascal@19825
|
1288 push si di es
|
pascal@19825
|
1289 mov ah,30h
|
pascal@19825
|
1290 int 21h
|
pascal@19875
|
1291 xor di,di
|
pascal@19825
|
1292 cmp al,3
|
pascal@19874
|
1293 mov ax,di
|
pascal@19825
|
1294 jb @@skip
|
pascal@19873
|
1295 ;mov es,[cs:2Ch]
|
pascal@19874
|
1296 mov es,[di+2Ch]
|
pascal@20146
|
1297 mov cx,sp ; big enough
|
pascal@19870
|
1298 @@loop:
|
pascal@19825
|
1299 repne
|
pascal@19825
|
1300 scasb
|
pascal@19825
|
1301 scasb
|
pascal@19870
|
1302 jne @@loop
|
pascal@19870
|
1303 inc di
|
pascal@19870
|
1304 inc di
|
pascal@19870
|
1305 mov si,di ; progname @es:di
|
pascal@19870
|
1306 repne
|
pascal@19870
|
1307 scasb
|
pascal@19870
|
1308 mov cx,di
|
pascal@19874
|
1309 sub cx,si ; progname len
|
pascal@19870
|
1310 call malloc_or_die ; keep cx
|
pascal@19870
|
1311 mov di,ax
|
pascal@19825
|
1312 push ds
|
pascal@19825
|
1313 push es
|
pascal@19825
|
1314 pop ds
|
pascal@19825
|
1315 pop es
|
pascal@19870
|
1316 rep
|
pascal@19870
|
1317 movsb
|
pascal@19870
|
1318 push es
|
pascal@19825
|
1319 pop ds
|
pascal@19825
|
1320 @@skip:
|
pascal@19825
|
1321 pop es di si
|
pascal@19825
|
1322 ret
|
pascal@19825
|
1323
|
pascal@19825
|
1324 endp _progname
|
pascal@19825
|
1325
|
pascal@19825
|
1326
|
pascal@19825
|
1327 ;***************************************************************
|
pascal@20630
|
1328 ;_fastcall void chdirname(bx:char *path)
|
pascal@19825
|
1329 ;***************************************************************
|
pascal@20528
|
1330 global @chdirname$qpzc:near
|
pascal@20528
|
1331 proc @chdirname$qpzc near
|
pascal@19825
|
1332
|
pascal@20146
|
1333 cmp [byte bx+1],3Ah ; ':'
|
pascal@19825
|
1334 jne @@nodisk
|
pascal@19875
|
1335 mov dl,20h
|
pascal@19875
|
1336 or dl,[bx]
|
pascal@19825
|
1337 sub dl,61h
|
pascal@19825
|
1338 mov ah,0Eh
|
pascal@19825
|
1339 int 21h
|
pascal@19825
|
1340 inc bx
|
pascal@19825
|
1341 inc bx
|
pascal@19825
|
1342 @@nodisk:
|
pascal@19825
|
1343 xor cx,cx
|
pascal@19825
|
1344 @@next:
|
pascal@19825
|
1345 mov al,[bx]
|
pascal@19825
|
1346 cmp al,5Ch
|
pascal@19825
|
1347 jne @@tsteos
|
pascal@19875
|
1348 mov dx,bx
|
pascal@19875
|
1349 inc cx
|
pascal@19825
|
1350 @@tsteos:
|
pascal@19825
|
1351 inc bx
|
pascal@19825
|
1352 or al,al
|
pascal@19825
|
1353 jnz @@next
|
pascal@19825
|
1354 jcxz @@end
|
pascal@19875
|
1355 mov bx,dx
|
pascal@19825
|
1356 push [word bx]
|
pascal@19825
|
1357 mov [bx],al
|
pascal@20630
|
1358 ifdef LONG_FILENAME
|
pascal@19875
|
1359 stc
|
pascal@20146
|
1360 mov ax,713Bh ; chdir long filename (ds:dx)
|
pascal@19875
|
1361 int 21h
|
pascal@20630
|
1362 jnc @@chdirdone
|
pascal@20630
|
1363 endif
|
pascal@20146
|
1364 mov ah,3Bh ; chdir(ds:dx)
|
pascal@19875
|
1365 int 21h
|
pascal@20510
|
1366 @@chdirdone:
|
pascal@19825
|
1367 pop [word bx]
|
pascal@19825
|
1368 @@end:
|
pascal@19825
|
1369 ret
|
pascal@19825
|
1370
|
pascal@20528
|
1371 endp @chdirname$qpzc
|
pascal@19825
|
1372
|
pascal@19825
|
1373
|
pascal@19825
|
1374 ;***************************************************************
|
pascal@20630
|
1375 ;_fastcall char *ultoa(axdx:unsigned long n);
|
pascal@19825
|
1376 ;***************************************************************
|
pascal@20528
|
1377 global @ultoa$qul:near
|
pascal@20528
|
1378 proc @ultoa$qul near
|
pascal@19825
|
1379
|
pascal@20538
|
1380 xchg ax,cx
|
pascal@20538
|
1381 xchg ax,dx ; AX:CX = n
|
pascal@19825
|
1382 push si
|
pascal@19825
|
1383 mov si,10
|
pascal@19825
|
1384 mov bx,offset ultoabuf+11
|
pascal@19825
|
1385 @@loop:
|
pascal@19825
|
1386 dec bx
|
pascal@19825
|
1387 xor dx,dx
|
pascal@19825
|
1388 div si ; DX:AX = 0000:hi(n)
|
pascal@19825
|
1389 xchg ax,cx ; CX = hi(n)/10
|
pascal@19825
|
1390 div si ; DX:AX = hi(n)%10:lo(n)
|
pascal@19825
|
1391 xchg ax,cx ; CX = lo(n/10)
|
pascal@20528
|
1392 ; AX = hi(n)/10 = hi(n/10)
|
pascal@20528
|
1393 mov [byte bx],'0'
|
pascal@20528
|
1394 add [bx],dl ; DL = n%10
|
pascal@20528
|
1395 mov dx,ax
|
pascal@20528
|
1396 or dx,cx
|
pascal@19825
|
1397 jnz @@loop
|
pascal@19825
|
1398 xchg ax,bx
|
pascal@19825
|
1399 pop si
|
pascal@19825
|
1400 ret
|
pascal@19825
|
1401
|
pascal@20528
|
1402 endp @ultoa$qul
|
pascal@19825
|
1403
|
pascal@19825
|
1404
|
pascal@19825
|
1405 ;***************************************************************
|
pascal@20630
|
1406 ;_fastcall unsigned long kver2ul(bx:char *kernel_version);
|
pascal@19825
|
1407 ;***************************************************************
|
pascal@20528
|
1408 global @kver2ul$qpzc:near
|
pascal@20528
|
1409 proc @kver2ul$qpzc near
|
pascal@19825
|
1410
|
pascal@20146
|
1411 push si
|
pascal@20538
|
1412 mov si,bx
|
pascal@20146
|
1413 xor bx,bx
|
pascal@20146
|
1414 mov cx,304h
|
pascal@19825
|
1415 @@number:
|
pascal@19825
|
1416 xor ax,ax
|
pascal@20146
|
1417 cwd
|
pascal@19825
|
1418 @@digit:
|
pascal@19825
|
1419 shl al,cl
|
pascal@19825
|
1420 shl ax,cl
|
pascal@19825
|
1421 lodsb
|
pascal@19825
|
1422 sub al,30h
|
pascal@19825
|
1423 cmp al,9
|
pascal@19825
|
1424 jbe @@digit
|
pascal@20146
|
1425 mov dl,bh
|
pascal@20146
|
1426 mov bh,bl
|
pascal@20146
|
1427 mov bl,ah
|
pascal@20146
|
1428 dec ch
|
pascal@20146
|
1429 jnz @@number
|
pascal@20146
|
1430 xchg ax,bx
|
pascal@20146
|
1431 pop si
|
pascal@19825
|
1432 kver2ulret:
|
pascal@19825
|
1433 ret
|
pascal@19825
|
1434
|
pascal@20528
|
1435 endp @kver2ul$qpzc
|
pascal@19825
|
1436
|
pascal@20528
|
1437 endif
|
pascal@19825
|
1438
|
pascal@19825
|
1439 ;***************************************************************
|
pascal@19825
|
1440 ;void try_default_args();
|
pascal@19825
|
1441 ;***************************************************************
|
pascal@20528
|
1442 ifdef EXTRA
|
pascal@20528
|
1443
|
pascal@19825
|
1444 global _try_default_args:near
|
pascal@19825
|
1445 proc _try_default_args near
|
pascal@19825
|
1446
|
pascal@19825
|
1447 mov bx,offset tazboot_cmd
|
pascal@19825
|
1448 call open
|
pascal@19825
|
1449 jc kver2ulret
|
pascal@19825
|
1450 mov cx,4096
|
pascal@19825
|
1451 mov di,[_heap_top]
|
pascal@19825
|
1452 extrn read_cmdline:near
|
pascal@19825
|
1453 jmp near read_cmdline ; read_cmdline(ax,di,cx)
|
pascal@19825
|
1454
|
pascal@19825
|
1455 endp _try_default_args
|
pascal@19825
|
1456
|
pascal@20528
|
1457 endif
|
pascal@19825
|
1458
|
pascal@19515
|
1459 ends _TEXT
|
pascal@19515
|
1460
|
pascal@19515
|
1461 end
|
pascal@19515
|
1462
|
pascal@19515
|
1463 ;###### END OF FILE ############################################
|
pascal@19825
|
1464
|