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
|
pascal@19515
|
11 p386
|
pascal@19636
|
12 endif
|
pascal@19515
|
13
|
pascal@19515
|
14 group DGROUP _TEXT,_DATA,_BSS
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pascal@19515
|
15 assume cs:DGROUP,ds:DGROUP
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pascal@19515
|
16
|
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@21747
|
34 ifdef EXTRA
|
pascal@21747
|
35 ;typedef unsigned dirsizetype;
|
pascal@21747
|
36 struc isostate ; struct isostate {
|
pascal@21747
|
37 fd dw ? ; 0 int fd;
|
pascal@21747
|
38 filemod dw ? ; 2 unsigned short filemod;
|
pascal@21747
|
39 fileofs dd ? ; 4 unsigned long fileofs;
|
pascal@21747
|
40 filesize dd ? ; 8 unsigned long filesize;
|
pascal@21747
|
41 filename dw ? ;12 char *filename;
|
pascal@21747
|
42 curdirsize dw ? ;14 dirsizetype curdirsize;
|
pascal@21747
|
43 dirsize dw ? ;16 dirsizetype dirsize;
|
pascal@21747
|
44 curdirofs dd ? ;18 unsigned long curdirofs;
|
pascal@21747
|
45 dirofs dd ? ;22 unsigned long dirofs;
|
pascal@21747
|
46 curpos dw ? ;26 unsigned curpos;
|
pascal@21747
|
47 filename2open dw ? ;28 char *filename2open;
|
pascal@21747
|
48 entrysize dw ? ;30 int entrysize;
|
pascal@21747
|
49 tmp dw ? ;32 const char *tmp;
|
pascal@21747
|
50 ;buffer label ;34 char buffer[2048+512];
|
pascal@21747
|
51 ends ; } isostate;
|
pascal@21747
|
52 public _isostate
|
pascal@21747
|
53 _isostate isostate <?>
|
pascal@21747
|
54 endif
|
pascal@20538
|
55 _xfer_buf db 4096 dup (?)
|
pascal@19515
|
56 global _no_exit:byte
|
pascal@19515
|
57 _no_exit db ?
|
pascal@19515
|
58 filecnt db ? ; in fact 0 minus file count...
|
pascal@19515
|
59 nextfilename dw ?
|
pascal@19571
|
60 ifdef LARGE_IMAGES
|
pascal@19571
|
61 curdata dw ?
|
pascal@19571
|
62 endif
|
pascal@19825
|
63 ifdef EXTRA
|
pascal@19825
|
64 ultoabuf db 12 dup (?)
|
pascal@19825
|
65 endif
|
pascal@19515
|
66
|
pascal@19515
|
67 ends _BSS
|
pascal@19515
|
68
|
pascal@19515
|
69 segment _TEXT byte public use16 'CODE'
|
pascal@19515
|
70
|
pascal@19515
|
71 ;***************************************************************
|
pascal@20630
|
72 ;_fastcall void strcpy(bx:const char* a, ax:const char* b);
|
pascal@20630
|
73 ;_fastcall void strcat(bx:const char* a, ax:const char* b);
|
pascal@20630
|
74 ;_fastcall void strcatb(bx:const char* a, ax:const char* b);
|
pascal@19538
|
75 ;***************************************************************
|
pascal@20793
|
76 ifdef EXTRA
|
pascal@20793
|
77 global @strcat$qpxzct1:near
|
pascal@20793
|
78 @strcat$qpxzct1:
|
pascal@20793
|
79 mov cx,1h
|
pascal@20793
|
80 db 0bah ; mov dx,imm opcode
|
pascal@20793
|
81 endif
|
pascal@20528
|
82 global @strcatb$qpxzct1:near
|
pascal@20528
|
83 proc @strcatb$qpxzct1 near
|
pascal@19538
|
84
|
pascal@19826
|
85 ifdef EXTRA
|
pascal@20142
|
86 mov cl,7Fh
|
pascal@20539
|
87 db 0bah ; mov dx,imm opcode
|
pascal@20528
|
88 global @strcpy$qpxzct1:near
|
pascal@20528
|
89 @strcpy$qpxzct1:
|
pascal@20142
|
90 xor cx,cx
|
pascal@19826
|
91 endif
|
pascal@19538
|
92 push si
|
pascal@20794
|
93 xchg ax,si ; b
|
pascal@19826
|
94 ifdef EXTRA
|
pascal@20142
|
95 jcxz @@nocat
|
pascal@19826
|
96 endif
|
pascal@20794
|
97 dec bx
|
pascal@19538
|
98 @@catlp:
|
pascal@20794
|
99 inc bx
|
pascal@20794
|
100 cmp [byte bx],0 ; a=bx
|
pascal@19538
|
101 jne @@catlp
|
pascal@20794
|
102 ifdef EXTRA
|
pascal@20793
|
103 mov al,20h
|
pascal@20793
|
104 loop @@cpyhead
|
pascal@20778
|
105 else
|
pascal@20794
|
106 db 0b8h,20h ; mov ax,??20h
|
pascal@19826
|
107 endif
|
pascal@19538
|
108 @@nocat:
|
pascal@19538
|
109 @@cpylp:
|
pascal@20794
|
110 lodsb
|
pascal@20794
|
111 @@cpyhead:
|
pascal@20794
|
112 mov [bx],al
|
pascal@20142
|
113 inc bx
|
pascal@20527
|
114 or al,al
|
pascal@19538
|
115 jne @@cpylp
|
pascal@20142
|
116 strfound:
|
pascal@20142
|
117 xchg ax,dx
|
pascal@20142
|
118 strend:
|
pascal@19538
|
119 pop si
|
pascal@20142
|
120 ret
|
pascal@19538
|
121
|
pascal@20528
|
122 endp @strcatb$qpxzct1
|
pascal@19538
|
123
|
pascal@19538
|
124
|
pascal@20146
|
125 ifdef EXTRA
|
pascal@20146
|
126 p8086
|
pascal@20146
|
127 ;***************************************************************
|
pascal@20778
|
128 ;_fastcall int strstr(bx:const char* a, ax:const char* b);
|
pascal@20146
|
129 ;***************************************************************
|
pascal@20528
|
130 global @strstr$qpxzct1:near
|
pascal@20528
|
131 proc @strstr$qpxzct1 near
|
pascal@20146
|
132
|
pascal@20538
|
133 xchg ax,cx ; b
|
pascal@20538
|
134 mov dx,bx ; a
|
pascal@20146
|
135 push si
|
pascal@20146
|
136 @@loop:
|
pascal@20146
|
137 xor ax,ax
|
pascal@20146
|
138 mov si,dx
|
pascal@20146
|
139 cmp [si],al ; *a
|
pascal@20146
|
140 jz strend ; return ax = NULL
|
pascal@20146
|
141 mov bx,cx
|
pascal@20146
|
142 @@match:
|
pascal@20146
|
143 or ah,[bx] ; *b
|
pascal@20146
|
144 jz strfound
|
pascal@20146
|
145 inc bx
|
pascal@20146
|
146 lodsb
|
pascal@20146
|
147 sub ah,al
|
pascal@20146
|
148 jz @@match
|
pascal@20146
|
149 inc dx
|
pascal@20146
|
150 jmp @@loop
|
pascal@20146
|
151
|
pascal@20528
|
152 endp @strstr$qpxzct1
|
pascal@20146
|
153
|
pascal@20146
|
154
|
pascal@20146
|
155 ;***************************************************************
|
pascal@20630
|
156 ;_fastcall int strcmp(bx:const char* a, ax:const char* b);
|
pascal@20146
|
157 ;***************************************************************
|
pascal@20528
|
158 global @strcmp$qpxzct1:near
|
pascal@20528
|
159 proc @strcmp$qpxzct1 near
|
pascal@20146
|
160
|
pascal@20146
|
161 push si
|
pascal@20146
|
162 xchg ax,si
|
pascal@20146
|
163 dec bx
|
pascal@20146
|
164 @@lp:
|
pascal@20146
|
165 inc bx
|
pascal@20146
|
166 lodsb
|
pascal@20146
|
167 sub al,[bx]
|
pascal@20146
|
168 jnz @@out
|
pascal@20630
|
169 or al,[bx]
|
pascal@20146
|
170 jnz @@lp
|
pascal@20146
|
171 @@out:
|
pascal@20146
|
172 cbw
|
pascal@20146
|
173 pop si
|
pascal@20146
|
174 ret
|
pascal@20146
|
175
|
pascal@20528
|
176 endp @strcmp$qpxzct1
|
pascal@20146
|
177 endif
|
pascal@20146
|
178
|
pascal@20146
|
179
|
pascal@19538
|
180 ;***************************************************************
|
pascal@20630
|
181 ;_fastcall void puts(bx:const char* s):
|
pascal@19515
|
182 ;***************************************************************
|
pascal@20528
|
183 global @puts$qpxzc:near
|
pascal@20528
|
184 proc @puts$qpxzc near
|
pascal@19515
|
185
|
pascal@20486
|
186 ; global puts:near ; puts(bx)
|
pascal@19515
|
187 puts:
|
pascal@20510
|
188 call @@putsz
|
pascal@20527
|
189 mov bx,offset msg_lf
|
pascal@20527
|
190 mov dl,13
|
pascal@20510
|
191 @@putcz:
|
pascal@20160
|
192 mov ah,2
|
pascal@20146
|
193 int 21h
|
pascal@20510
|
194 @@putsz:
|
pascal@20160
|
195 mov dl,[bx]
|
pascal@20146
|
196 inc bx
|
pascal@20160
|
197 or dl,dl
|
pascal@20510
|
198 jne @@putcz ; ZF=1 (for malloc failure)
|
pascal@19538
|
199 ret
|
pascal@19515
|
200
|
pascal@20528
|
201 endp @puts$qpxzc
|
pascal@19515
|
202
|
pascal@19515
|
203
|
pascal@19538
|
204
|
pascal@19538
|
205 ;***************************************************************
|
pascal@20630
|
206 ;_fastcall int open(bx:const char* name, int flags=O_RDONLY);
|
pascal@19515
|
207 ;***************************************************************
|
pascal@20538
|
208 global openargs:near ; openargs(bx)
|
pascal@20538
|
209 openargs:
|
pascal@20538
|
210 cmp [byte bx],'@'
|
pascal@20538
|
211 jne fail
|
pascal@20538
|
212 inc bx
|
pascal@20538
|
213
|
pascal@20528
|
214 global @open$qpxzc:near
|
pascal@20528
|
215 proc @open$qpxzc near
|
pascal@19515
|
216
|
pascal@19546
|
217 global open:near ; open(bx)
|
pascal@19515
|
218 open:
|
pascal@20630
|
219 ifdef LONG_FILENAME
|
pascal@20630
|
220 mov ax,716Ch
|
pascal@20632
|
221 push bx di si
|
pascal@20630
|
222 mov si,bx
|
pascal@20630
|
223 xor bx,bx ; R/O
|
pascal@20630
|
224 xor cx,cx ; attributes
|
pascal@20632
|
225 xor di,di ; alias hint
|
pascal@20630
|
226 cwd ; action = open
|
pascal@20634
|
227 stc
|
pascal@20630
|
228 int 21h
|
pascal@20632
|
229 pop si di bx
|
pascal@20630
|
230 jnc doret
|
pascal@20630
|
231 endif
|
pascal@20538
|
232 mov ax,3d00h ; read-only+compatibility
|
pascal@20538
|
233 ;mov cl,0 ; attribute mask
|
pascal@19515
|
234 mov dx,bx
|
pascal@21628
|
235 jmp dos
|
pascal@19515
|
236
|
pascal@20528
|
237 endp @open$qpxzc
|
pascal@19515
|
238
|
pascal@19515
|
239
|
pascal@19515
|
240 ;***************************************************************
|
pascal@20632
|
241 ;_fastcall int fileexist(bx:const char* name);
|
pascal@20632
|
242 ;***************************************************************
|
pascal@20632
|
243 global @fileexist$qpxzc:near
|
pascal@20632
|
244 @fileexist$qpxzc:
|
pascal@20632
|
245 call @open$qpxzc
|
pascal@20632
|
246 jc fail
|
pascal@20632
|
247
|
pascal@20632
|
248 ;***************************************************************
|
pascal@20630
|
249 ;_fastcall int close(ax:int fd);
|
pascal@19515
|
250 ;***************************************************************
|
pascal@20528
|
251 global @close$qi:near
|
pascal@20528
|
252 proc @close$qi near
|
pascal@19515
|
253
|
pascal@20540
|
254 global close:near ; close(ax)
|
pascal@19515
|
255 close:
|
pascal@20540
|
256 xchg ax,bx
|
pascal@19515
|
257 mov ah,3Eh
|
pascal@19515
|
258 or bx,bx
|
pascal@19515
|
259 jnz dos
|
pascal@19515
|
260 ret
|
pascal@19515
|
261
|
pascal@20528
|
262 endp @close$qi
|
pascal@19515
|
263
|
pascal@19515
|
264
|
pascal@19515
|
265 ;***************************************************************
|
pascal@20751
|
266 ;_fastcall int readrm(bx:struct himem *m, ax:int sz);
|
pascal@20630
|
267 ;_fastcall int read(ax:int fd, bx:void* data, dx:int sz);
|
pascal@20630
|
268 ;_fastcall int write(ax:int fd, bx:const void* data, dx:int sz);
|
pascal@19515
|
269 ;***************************************************************
|
pascal@20751
|
270 global @readrm$qp11image_himemi:near
|
pascal@20751
|
271 @readrm$qp11image_himemi:
|
pascal@20751
|
272 xchg ax,dx ; sz
|
pascal@20751
|
273 mov ax,[bx] ; fd
|
pascal@20751
|
274 mov bx,[bx-2] ; data
|
pascal@20528
|
275 global @read$qipvi:near
|
pascal@20528
|
276 proc @read$qipvi near
|
pascal@19515
|
277
|
pascal@20146
|
278 ifdef WRITE
|
pascal@19580
|
279 stc
|
pascal@19634
|
280 db 0B0h ; mov al,im
|
pascal@20528
|
281 global @write$qipvi:near
|
pascal@20528
|
282 @write$qipvi:
|
pascal@19580
|
283 clc
|
pascal@20146
|
284 endif
|
pascal@20632
|
285 @read$dxbxax:
|
pascal@20538
|
286 xchg ax,bx ; fd
|
pascal@20538
|
287 xchg ax,dx ; data
|
pascal@20538
|
288 xchg ax,cx ; sz
|
pascal@20146
|
289 ifdef WRITE
|
pascal@19580
|
290 mov ah,40h
|
pascal@19580
|
291 sbb ah,0
|
pascal@20146
|
292 else
|
pascal@20528
|
293 global @read$cxdxbx:near
|
pascal@20528
|
294 @read$cxdxbx:
|
pascal@20146
|
295 mov ah,3Fh
|
pascal@20146
|
296 endif
|
pascal@19515
|
297 jcxz fail
|
pascal@21628
|
298 dos:
|
pascal@21628
|
299 int 21h
|
pascal@21628
|
300 chkc:
|
pascal@21628
|
301 jnc doret
|
pascal@21628
|
302 fail:
|
pascal@21628
|
303 stc
|
pascal@21628
|
304 failifc:
|
pascal@21628
|
305 sbb ax,ax ; ax=-1 CF
|
pascal@21628
|
306 cwd
|
pascal@21628
|
307 doret:
|
pascal@21628
|
308 ifndef NO386
|
pascal@21628
|
309 push dx ; see next_chunk:lseek
|
pascal@21628
|
310 push ax
|
pascal@21628
|
311 pop eax
|
pascal@21628
|
312 endif
|
pascal@21628
|
313 ret
|
pascal@19515
|
314
|
pascal@20528
|
315 endp @read$qipvi
|
pascal@19515
|
316
|
pascal@19515
|
317 ;***************************************************************
|
pascal@20630
|
318 ;_fastcall long lseekcur(ax:int fd, dx:int whence);
|
pascal@19515
|
319 ;***************************************************************
|
pascal@19899
|
320
|
pascal@20548
|
321 global @lseekcur$qii:near ; fd=ax whence=dx
|
pascal@20542
|
322 proc @lseekcur$qii near
|
pascal@20542
|
323
|
pascal@20632
|
324 mov cl,1
|
pascal@20542
|
325 xchg ax,bx
|
pascal@20542
|
326 xchg ax,dx
|
pascal@20542
|
327 cwd
|
pascal@20542
|
328 xchg ax,dx
|
pascal@20542
|
329 xchg ax,cx
|
pascal@20542
|
330 jmp lseek
|
pascal@20542
|
331 rewind: ; rewind(ax)
|
pascal@20542
|
332 mov bl,0
|
pascal@20632
|
333 lseek0: ; lseek0(ax,bl=dir)
|
pascal@20542
|
334 xor dx,dx
|
pascal@19571
|
335 xor cx,cx
|
pascal@20632
|
336 lseekset:
|
pascal@20542
|
337 xchg ax,bx
|
pascal@20542
|
338 lseek:
|
pascal@20548
|
339 mov ah,42h ; bx=fd cx:dx=offset al=whence
|
pascal@19515
|
340 jmp dos
|
pascal@19515
|
341
|
pascal@20542
|
342 endp @lseekcur$qii
|
pascal@19825
|
343
|
pascal@20538
|
344 ifdef EXTRA
|
pascal@19825
|
345 ;***************************************************************
|
pascal@20630
|
346 ;_fastcall long isolseek(bx:const unsigned long *offset);
|
pascal@20632
|
347 ;_fastcall long lseekset2(ax:int fd, bx:unsigned long* whence);
|
pascal@19825
|
348 ;***************************************************************
|
pascal@20528
|
349 global @isolseek$qpxul:near
|
pascal@20528
|
350 proc @isolseek$qpxul near
|
pascal@19825
|
351
|
pascal@20534
|
352 isolseek:
|
pascal@20632
|
353 mov ax,[_isostate.fd]
|
pascal@20634
|
354 global @lseekset2$qipul:near
|
pascal@20632
|
355 @lseekset2$qipul:
|
pascal@19825
|
356 mov dx,[bx]
|
pascal@19825
|
357 mov cx,[bx+2]
|
pascal@20632
|
358 mov bl,0
|
pascal@20538
|
359 jmp lseekset
|
pascal@20534
|
360
|
pascal@20538
|
361 endp @isolseek$qpxul
|
pascal@20534
|
362
|
pascal@20534
|
363 ;***************************************************************
|
pascal@20630
|
364 ;_fastcall int isoreadsector(bx:const unsigned long *offset);
|
pascal@20534
|
365 ;***************************************************************
|
pascal@20534
|
366 global @isoreadsector$qpxul:near
|
pascal@20534
|
367 proc @isoreadsector$qpxul near
|
pascal@20534
|
368
|
pascal@20534
|
369 call isolseek
|
pascal@20632
|
370 jc doret
|
pascal@20632
|
371 mov dx,2560
|
pascal@21747
|
372 ;mov bx,offset _isostate.buffer
|
pascal@21747
|
373 mov bx,offset _xfer_buf
|
pascal@20632
|
374 mov ax,[_isostate.fd]
|
pascal@20632
|
375 jmp @read$dxbxax ; read(fd,buffer,2560)
|
pascal@20534
|
376
|
pascal@20534
|
377 endp @isoreadsector$qpxul
|
pascal@20534
|
378
|
pascal@21628
|
379
|
pascal@21628
|
380 ;***************************************************************
|
pascal@21628
|
381 ;_fastcall int isoreset(bx:const char *name);
|
pascal@21628
|
382 ;***************************************************************
|
pascal@21628
|
383 global @isoreset$qpzc:near
|
pascal@21628
|
384 proc @isoreset$qpzc near
|
pascal@21628
|
385
|
pascal@21628
|
386 or bx,bx
|
pascal@21628
|
387 jz fail
|
pascal@21628
|
388 call near ptr @open$qpxzc
|
pascal@21628
|
389 mov [_isostate.fd],ax
|
pascal@21628
|
390 extrn @isoroot$qv:near
|
pascal@21628
|
391 jmp @isoroot$qv
|
pascal@21628
|
392
|
pascal@21628
|
393 endp @isoreset$qpzc
|
pascal@21628
|
394
|
pascal@21628
|
395
|
pascal@21628
|
396 ;***************************************************************
|
pascal@21628
|
397 ;_fastcall int isoopen(bx:const char *name);
|
pascal@21628
|
398 ;***************************************************************
|
pascal@21628
|
399 global @isoopen$qpxzc:near
|
pascal@21628
|
400 proc @isoopen$qpxzc near
|
pascal@21628
|
401
|
pascal@21628
|
402 extrn @_isoopen$qv:near
|
pascal@21628
|
403 mov [_isostate.filename2open],bx
|
pascal@21628
|
404 jmp @_isoopen$qv
|
pascal@21628
|
405
|
pascal@21628
|
406 endp @isoopen$qpxzc
|
pascal@21628
|
407
|
pascal@19825
|
408 endif
|
pascal@19515
|
409
|
pascal@19515
|
410
|
pascal@20751
|
411 ifdef USE_ARGSTR
|
pascal@20751
|
412 ;***************************************************************
|
pascal@20751
|
413 ;_fastcall int argstr(bx:const char *s, ax:const char keywords[], dx:const char **var);
|
pascal@20751
|
414 ;_fastcall int argnum(bx:char *s, ax:const char keywords[], dx:unsigned long *var);
|
pascal@20751
|
415 ;***************************************************************
|
pascal@20751
|
416 global @argstr$qpxzcxt1ppxzc:near
|
pascal@20751
|
417 proc @argstr$qpxzcxt1ppxzc near
|
pascal@20751
|
418
|
pascal@21569
|
419 mov cl,2
|
pascal@21569
|
420 db 0a9h ; test ax,#
|
pascal@20751
|
421 global @argnum$qpzcxpxzcpul:near
|
pascal@20751
|
422 @argnum$qpzcxpxzcpul:
|
pascal@21569
|
423 mov cl,4
|
pascal@21569
|
424 xchg ax,bx ; keywords -> bx
|
pascal@21569
|
425 xchg ax,cx ; s -> cx
|
pascal@21569
|
426 cbw ; argstr:0002 argnum:0004
|
pascal@21569
|
427 xchg ax,dx ; vars -> ax
|
pascal@20751
|
428 push si di
|
pascal@21569
|
429 xchg ax,di ; vars => di
|
pascal@20751
|
430 dec bx
|
pascal@20751
|
431 @@testalt:
|
pascal@21569
|
432 mov al,-1
|
pascal@20751
|
433 sub di,dx
|
pascal@20751
|
434 @@test:
|
pascal@20751
|
435 cmp al,'='
|
pascal@20751
|
436 je @@found
|
pascal@21569
|
437 cmp al,0 ; eos, si=next argv
|
pascal@21569
|
438 je @@found
|
pascal@20751
|
439 mov si,cx ; s
|
pascal@20751
|
440 add di,dx
|
pascal@20751
|
441 @@match:
|
pascal@21569
|
442 inc bx ; keywords++
|
pascal@21569
|
443 lodsb ; *s++
|
pascal@20751
|
444 or al,20h
|
pascal@20751
|
445 cmp al,[bx]
|
pascal@20751
|
446 je @@match
|
pascal@20751
|
447 cmp al,'/' ; 2f
|
pascal@20751
|
448 jne @@notopt
|
pascal@20751
|
449 cmp [byte bx],'-'
|
pascal@20751
|
450 je @@match
|
pascal@20751
|
451 @@notopt:
|
pascal@20751
|
452 ifdef EXTRA
|
pascal@20751
|
453 cmp [byte bx],'/'
|
pascal@20751
|
454 je @@testalt
|
pascal@20751
|
455 endif
|
pascal@20751
|
456 cmp [byte bx],'|'
|
pascal@20751
|
457 je @@test
|
pascal@20751
|
458 mov al,0
|
pascal@20751
|
459 inc bx
|
pascal@20751
|
460 cmp [bx-1],al
|
pascal@20751
|
461 jne @@notopt
|
pascal@20751
|
462 stc
|
pascal@20751
|
463 jmp @@nokeyword
|
pascal@20751
|
464 @@found:
|
pascal@20751
|
465 mov [di],si
|
pascal@20751
|
466 dec dx
|
pascal@20751
|
467 dec dx
|
pascal@20751
|
468 je @@done
|
pascal@21569
|
469 mov bx,si
|
pascal@20751
|
470 call @strtol$qpxzc
|
pascal@20751
|
471 mov [di],ax
|
pascal@20751
|
472 mov [di+2],dx
|
pascal@20751
|
473 @@done:
|
pascal@20751
|
474 clc
|
pascal@20751
|
475 @@nokeyword:
|
pascal@20751
|
476 sbb ax,ax
|
pascal@20751
|
477 pop di si
|
pascal@20751
|
478 ret
|
pascal@20751
|
479
|
pascal@20751
|
480 endp @argstr$qpxzcxt1ppxzc
|
pascal@20751
|
481
|
pascal@20751
|
482 else
|
pascal@20751
|
483
|
pascal@19515
|
484 ;***************************************************************
|
pascal@20630
|
485 ;_fastcall int strhead(bx:const char* a, ax:const char* b);
|
pascal@19515
|
486 ;***************************************************************
|
pascal@20528
|
487 global @strhead$qpxzct1:near
|
pascal@20528
|
488 proc @strhead$qpxzct1 near
|
pascal@19515
|
489
|
pascal@19515
|
490 @@loop:
|
pascal@19634
|
491 xchg ax,bx
|
pascal@19515
|
492 mov cl,[bx] ; cl = *b++
|
pascal@19515
|
493 inc bx
|
pascal@19515
|
494 or cl,cl ; clear C
|
pascal@21628
|
495 jz failifc ; return 0
|
pascal@19515
|
496 xchg ax,bx
|
pascal@19515
|
497 xor cl,[bx] ; cl -= *a++
|
pascal@19634
|
498 inc bx
|
pascal@19515
|
499 and cl,0dfh ; case insensitive
|
pascal@21628
|
500 jne fail ; return -1
|
pascal@21628
|
501 jmp @@loop
|
pascal@19515
|
502
|
pascal@20528
|
503 endp @strhead$qpxzct1
|
pascal@19515
|
504
|
pascal@20751
|
505 endif
|
pascal@19515
|
506
|
pascal@19515
|
507 ;***************************************************************
|
pascal@20630
|
508 ;_fastcall char* malloc_or_die(ax:unsigned size);
|
pascal@19515
|
509 ;***************************************************************
|
pascal@20528
|
510 global @malloc_or_die$qui:near
|
pascal@20528
|
511 proc @malloc_or_die$qui near
|
pascal@19515
|
512
|
pascal@20540
|
513 xchg ax,cx ; size
|
pascal@19515
|
514 global malloc_or_die:near ; malloc_or_die(cx)
|
pascal@19515
|
515 malloc_or_die:
|
pascal@20510
|
516 mov ax,[_heap_top] ; return value
|
pascal@20510
|
517 mov bx,sp
|
pascal@20510
|
518 add bh,-14h ; MIN_STACK=_1k+PAGE_SIZE
|
pascal@20510
|
519 sub bx,ax ; can't overflow
|
pascal@20510
|
520 cmp bx,cx
|
pascal@20456
|
521 mov bx,offset msg_malloc
|
pascal@20510
|
522 jb die
|
pascal@20510
|
523 add [_heap_top],cx ; _BEG has zero'd heap
|
pascal@19515
|
524 ret
|
pascal@19515
|
525
|
pascal@20528
|
526 endp @malloc_or_die$qui
|
pascal@19515
|
527
|
pascal@19515
|
528
|
pascal@19515
|
529 ;***************************************************************
|
pascal@20630
|
530 ;_fastcall int die(bx:const char* msg);
|
pascal@19538
|
531 ;int exit();
|
pascal@19515
|
532 ;int abort();
|
pascal@19515
|
533 ;***************************************************************
|
pascal@20528
|
534 global @die$qpxzc:near
|
pascal@20528
|
535 proc @die$qpxzc near
|
pascal@20528
|
536 @die$qpxzc:
|
pascal@19515
|
537 global die:near ; die(bx)
|
pascal@19515
|
538 die:
|
pascal@19515
|
539 call puts
|
pascal@20486
|
540 ; global _exit:near
|
pascal@19538
|
541 _exit:
|
pascal@19515
|
542 mov al,[_no_exit]
|
pascal@20527
|
543 or al,al
|
pascal@19515
|
544 jne @@hang
|
pascal@19515
|
545 extrn exit:near
|
pascal@19515
|
546 inc ax
|
pascal@19515
|
547 jmp near exit
|
pascal@19515
|
548 @@hang:
|
pascal@19515
|
549 mov bx, offset msg_hang
|
pascal@19515
|
550 call puts
|
pascal@20486
|
551 ; global _abort:near
|
pascal@19515
|
552 _abort:
|
pascal@19515
|
553 cli
|
pascal@19515
|
554 hlt
|
pascal@20778
|
555 jmp _abort
|
pascal@19515
|
556
|
pascal@20528
|
557 endp @die$qpxzc
|
pascal@19515
|
558
|
pascal@19546
|
559 struc image_himem ;struct image_himem {
|
pascal@19546
|
560 fd dw ? ; 0 int fd;
|
pascal@19546
|
561 fallback dd ? ; 2 u32 fallback;
|
pascal@19546
|
562 size dd ? ; 6 u32 size;
|
pascal@19546
|
563 remaining dd ? ;10 u32 remaining;
|
pascal@19546
|
564 buf dd ? ;14 u32 buf;
|
pascal@19546
|
565 bufv dw ? ;18 u32 *bufv;
|
pascal@19546
|
566 errmsg dw ? ;20 char *errmsg;
|
pascal@19546
|
567 chunk_size dd ? ;22 u32 chunk_size;
|
pascal@19546
|
568 next_chunk dw ? ;26 void (*next_chunk)(struct image_himem *);
|
pascal@19546
|
569 state dw ? ;28 u16 state;
|
pascal@19546
|
570 fd2close dw ? ;30 u16 fd2close;
|
pascal@19546
|
571 ends ;};
|
pascal@19515
|
572
|
pascal@19636
|
573 ;***************************************************************
|
pascal@20630
|
574 ;static long next_chunk(struct image_himem *di);
|
pascal@19636
|
575 ;***************************************************************
|
pascal@19636
|
576 proc next_chunk near
|
pascal@19636
|
577
|
pascal@19636
|
578 push si
|
pascal@20540
|
579 mov ax,[(image_himem di).fd]
|
pascal@19636
|
580 call close
|
pascal@19636
|
581 ifndef NO386
|
pascal@19636
|
582 xor eax,eax
|
pascal@19636
|
583 else
|
pascal@19636
|
584 xor ax,ax
|
pascal@20485
|
585 cwd
|
pascal@19636
|
586 endif
|
pascal@19636
|
587 mov [(image_himem di).fd],ax
|
pascal@19636
|
588 mov bx,[(image_himem di).state]
|
pascal@19636
|
589 cmp al,[bx] ; ""
|
pascal@19636
|
590 jz @@end
|
pascal@19636
|
591 mov si,bx
|
pascal@19636
|
592 @@scan:
|
pascal@19636
|
593 lodsb
|
pascal@19636
|
594 mov cx,si
|
pascal@19636
|
595 cmp al,','
|
pascal@19636
|
596 jz @@eos
|
pascal@20527
|
597 or al,al
|
pascal@19636
|
598 jnz @@scan
|
pascal@19636
|
599 dec cx
|
pascal@19636
|
600 @@eos:
|
pascal@19636
|
601 mov [(image_himem di).state],cx
|
pascal@19636
|
602 dec si
|
pascal@19636
|
603 push [word si]
|
pascal@20485
|
604 mov [byte si],ah ; set temp eos
|
pascal@19636
|
605 call open
|
pascal@19636
|
606 pop [word si] ; restore string
|
pascal@19636
|
607 jc @@die
|
pascal@19636
|
608 mov [(image_himem di).fd],ax
|
pascal@19636
|
609 mov [(image_himem di).fd2close],ax
|
pascal@20542
|
610 mov bl,02h ; SEEK_END
|
pascal@19636
|
611 call lseek0
|
pascal@19636
|
612 @@die:
|
pascal@19636
|
613 mov bx,[(image_himem di).errmsg]
|
pascal@19636
|
614 jc die
|
pascal@19636
|
615 ifndef NO386
|
pascal@19636
|
616 push eax
|
pascal@20548
|
617 mov ax,[(image_himem di).fd]
|
pascal@19636
|
618 call rewind
|
pascal@19636
|
619 pop eax
|
pascal@19636
|
620 @@end:
|
pascal@19636
|
621 mov [(image_himem di).chunk_size],eax
|
pascal@19636
|
622 else
|
pascal@19636
|
623 push ax
|
pascal@19636
|
624 push dx
|
pascal@20548
|
625 mov ax,[(image_himem di).fd]
|
pascal@19636
|
626 call rewind
|
pascal@19636
|
627 pop dx
|
pascal@19636
|
628 pop ax
|
pascal@19636
|
629 @@end:
|
pascal@19636
|
630 mov [word (image_himem di).chunk_size],ax
|
pascal@19636
|
631 mov [word ((image_himem di).chunk_size)+2],dx
|
pascal@19636
|
632 endif
|
pascal@19636
|
633 pop si
|
pascal@19636
|
634 ret
|
pascal@19636
|
635
|
pascal@19636
|
636 endp next_chunk
|
pascal@19636
|
637
|
pascal@19636
|
638
|
pascal@19571
|
639 ifdef LARGE_IMAGES
|
pascal@19571
|
640 struc data_himem ;struct data_himem {
|
pascal@19571
|
641 first dd ? ; 0 u32 first;
|
pascal@19571
|
642 cacheidx dw ? ; 4 int cacheidx;
|
pascal@19571
|
643 pageidx dw ? ; 6 int pageidx;
|
pascal@19571
|
644 cache dd 1024 dup(?) ; 8 int cache;
|
pascal@19571
|
645 page dd 1024 dup(?) ;4104 int page;
|
pascal@19571
|
646 ends ;}; // size=8200
|
pascal@19571
|
647 endif
|
pascal@19571
|
648
|
pascal@19515
|
649 ;***************************************************************
|
pascal@20630
|
650 ;_fastcall u32* malloc_bufv_or_die(bx:struct image_himem *m);
|
pascal@19538
|
651 ;***************************************************************
|
pascal@20528
|
652 global @malloc_bufv_or_die$qp11image_himem:near
|
pascal@20528
|
653 proc @malloc_bufv_or_die$qp11image_himem near
|
pascal@19538
|
654
|
pascal@19636
|
655 p386
|
pascal@19538
|
656 push si
|
pascal@20538
|
657 mov si,bx
|
pascal@19571
|
658 ifdef LARGE_IMAGES
|
pascal@20527
|
659 movzx ecx,[word ((image_himem si).size) + 2]
|
pascal@19571
|
660 shr cx,4 ; pages index size = size >> 20
|
pascal@19571
|
661 add cx,8+4096+8
|
pascal@19571
|
662 call malloc_or_die
|
pascal@20527
|
663 mov cx,4096+4095 ; cnt = 1+(m->size+PAGE_MASK)/PAGE_SIZE;
|
pascal@19571
|
664 add ecx,[(image_himem si).size]
|
pascal@19571
|
665 shr ecx,12
|
pascal@19571
|
666 mov [curdata],ax
|
pascal@19571
|
667 else
|
pascal@19546
|
668 mov ecx,[(image_himem si).size]
|
pascal@19538
|
669 dec ecx
|
pascal@19538
|
670 shr ecx,12
|
pascal@19538
|
671 inc cx ; cnt = (m->size+PAGE_MASK)/PAGE_SIZE;
|
pascal@19538
|
672 push cx
|
pascal@19538
|
673 inc cx ; cnt+1
|
pascal@19538
|
674 shl cx,2 ; bufv => vcpi => vm86
|
pascal@19538
|
675 ; our malloc zeroes allocated mem: bufv[cnt]=0;
|
pascal@19538
|
676 ; Allocate pages, storing addrs in addrbuf
|
pascal@19538
|
677 call malloc_or_die
|
pascal@19571
|
678 pop cx
|
pascal@19571
|
679 push ax
|
pascal@19571
|
680 endif
|
pascal@19546
|
681 mov [(image_himem si).bufv],ax
|
pascal@19571
|
682 xchg ax,si
|
pascal@19538
|
683 @@vcpi_alloc:
|
pascal@19538
|
684 xor edx,edx
|
pascal@19538
|
685 mov ax,0DE04h
|
pascal@19538
|
686 int 67h
|
pascal@19538
|
687 or ah,ah
|
pascal@19538
|
688 mov bx,offset vcpi_alloc_err
|
pascal@19571
|
689 jnz die
|
pascal@19571
|
690 ; for (i = cnt-1; i >= 0; i--)
|
pascal@19571
|
691 ifdef LARGE_IMAGES
|
pascal@19571
|
692 mov eax,ecx
|
pascal@19571
|
693 dec eax
|
pascal@19571
|
694 else
|
pascal@19571
|
695 mov ax,cx
|
pascal@19571
|
696 dec ax
|
pascal@19571
|
697 cwde
|
pascal@19571
|
698 endif
|
pascal@19571
|
699 shl eax,12 ; i*_4k
|
pascal@19571
|
700 ; if (edx < pm.fallback+i*_4k && edx >= pm.fallback) again
|
pascal@19899
|
701 extrn _imgs
|
pascal@19899
|
702 mov bx,offset _imgs+2
|
pascal@19571
|
703 push eax
|
pascal@19571
|
704 add eax,[bx-2+2]
|
pascal@19571
|
705 cmp eax,edx ; pm.fallback+i*_4k <= edx ?
|
pascal@19571
|
706 pop eax ; i*_4k
|
pascal@19571
|
707 jbe @@pmok
|
pascal@19571
|
708 cmp edx,[bx-2+2] ; edx >= pm.fallback ?
|
pascal@19571
|
709 jae @@vcpi_alloc
|
pascal@19571
|
710 @@pmok:
|
pascal@19571
|
711 ; if (edx >= initrd.fallback+i*_4k && edx < initrd.fallback+initrd.size) again
|
pascal@19899
|
712 extrn _imgs
|
pascal@19899
|
713 mov bx,offset _imgs+32+2
|
pascal@19571
|
714 add eax,[bx-2+2] ; +initrd.fallback
|
pascal@19571
|
715 cmp eax,edx ; initrd.fallback+i*_4k > edx ?
|
pascal@19571
|
716 ja @@initrdok
|
pascal@19571
|
717 mov eax,[bx-2+6] ; initrd.size
|
pascal@19571
|
718 add eax,[bx-2+2] ; +initrd.fallback
|
pascal@19571
|
719 cmp eax,edx ; initrd.fallback+initrd.size > edx ?
|
pascal@19571
|
720 @@jnc_vcpi_alloc:
|
pascal@19571
|
721 ja @@vcpi_alloc
|
pascal@19571
|
722 @@initrdok:
|
pascal@19571
|
723 ifdef LARGE_IMAGES
|
pascal@19571
|
724 cmp [(data_himem si).first],0
|
pascal@19571
|
725 jne @@notfirst
|
pascal@19571
|
726 mov [(data_himem si).first],edx
|
pascal@19571
|
727 @@notfirst:
|
pascal@19571
|
728 mov bx,[(data_himem si).cacheidx]
|
pascal@19571
|
729 cmp bh,4
|
pascal@19571
|
730 jae @@nextpage
|
pascal@19571
|
731 shl bx,2
|
pascal@19571
|
732 inc [(data_himem si).cacheidx]
|
pascal@19571
|
733 mov [(data_himem bx+si).cache],edx
|
pascal@19571
|
734 loopd @@vcpi_alloc
|
pascal@19571
|
735 mov [(data_himem bx+si).cache],ecx ; last is 0
|
pascal@19571
|
736 @@nextpage:
|
pascal@19571
|
737 and [(data_himem si).cacheidx],0
|
pascal@19571
|
738 mov bx,[(data_himem si).pageidx]
|
pascal@19571
|
739 mov [(data_himem bx+si).page],edx
|
pascal@19571
|
740 add [(data_himem si).pageidx],4
|
pascal@19571
|
741 push cx
|
pascal@19571
|
742 lea cx,[(data_himem si).cache]
|
pascal@19571
|
743 ifdef NO386
|
pascal@19571
|
744 push edx
|
pascal@19571
|
745 pop dx
|
pascal@19571
|
746 pop ax
|
pascal@19571
|
747 endif
|
pascal@19571
|
748 call storepage ; storepage(edx,cx)
|
pascal@19571
|
749 pop cx
|
pascal@19571
|
750 or ecx,ecx ; clear C
|
pascal@19571
|
751 jnz @@jnc_vcpi_alloc
|
pascal@19571
|
752 mov [dword (data_himem si).cacheidx],ecx
|
pascal@19571
|
753 xchg ax,si
|
pascal@19571
|
754 else
|
pascal@19571
|
755 mov [si],edx
|
pascal@19571
|
756 lodsd ; si=+4
|
pascal@19538
|
757 loop @@vcpi_alloc
|
pascal@19538
|
758 pop ax
|
pascal@19571
|
759 endif
|
pascal@19538
|
760 pop si
|
pascal@19538
|
761 ret
|
pascal@19636
|
762 ifdef NO386
|
pascal@19636
|
763 p8086
|
pascal@19636
|
764 endif
|
pascal@19538
|
765
|
pascal@20528
|
766 endp @malloc_bufv_or_die$qp11image_himem
|
pascal@19538
|
767
|
pascal@19538
|
768
|
pascal@19538
|
769 ;***************************************************************
|
pascal@20630
|
770 ;_fastcall void memcpy_image(bx:struct image_himem *m);
|
pascal@19515
|
771 ;***************************************************************
|
pascal@20528
|
772 global @memcpy_image$qp11image_himem:near
|
pascal@20528
|
773 proc @memcpy_image$qp11image_himem near
|
pascal@19515
|
774
|
pascal@19571
|
775 ifndef NO386
|
pascal@19571
|
776 mov edx,[(image_himem bx).fallback]
|
pascal@19571
|
777 mov eax,[(image_himem bx).buf]
|
pascal@19571
|
778 cmp eax,edx ; if (m->fallback != m->buf)
|
pascal@19571
|
779 jz @@skip ; memcpy32(m->fallback,0,m->buf,m->size)
|
pascal@19571
|
780 ifdef LARGE_IMAGES
|
pascal@19571
|
781 mov ecx,[(image_himem bx).size]
|
pascal@20146
|
782 memcpy_imagez: ; memcpy_imagez(edx,eax,ecx)
|
pascal@19571
|
783 push ecx
|
pascal@19571
|
784 else
|
pascal@19571
|
785 push [(image_himem bx).size]
|
pascal@19571
|
786 endif
|
pascal@19571
|
787 push eax
|
pascal@19571
|
788 push 0
|
pascal@19571
|
789 call_memcpy32:
|
pascal@19571
|
790 push edx
|
pascal@19571
|
791 else
|
pascal@19571
|
792 mov ax,[word ((image_himem bx).fallback)]
|
pascal@19571
|
793 mov dx,[word ((image_himem bx).fallback)+2]
|
pascal@19571
|
794 mov cx,[word ((image_himem bx).buf)]
|
pascal@19571
|
795 cmp ax,cx ; if (m->fallback != m->buf)
|
pascal@19571
|
796 jnz @@do
|
pascal@19571
|
797 cmp dx,[word ((image_himem bx).buf)+2]
|
pascal@19571
|
798 jz @@skip ; memcpy32(m->fallback,0,m->buf,m->size)
|
pascal@19571
|
799 @@do:
|
pascal@19571
|
800 push [word ((image_himem bx).size)+2]
|
pascal@19571
|
801 push [word ((image_himem bx).size)]
|
pascal@19571
|
802 push [word ((image_himem bx).buf)+2]
|
pascal@19571
|
803 push cx
|
pascal@19571
|
804 xor cx,cx
|
pascal@19571
|
805 push cx
|
pascal@19571
|
806 call_memcpy32:
|
pascal@19571
|
807 push dx
|
pascal@19571
|
808 push ax
|
pascal@19571
|
809 ifdef LARGE_IMAGES
|
pascal@19571
|
810 jmp @@memcpy
|
pascal@20146
|
811 memcpy_imagez: ; memcpy_imagez(edx,eax,ecx)
|
pascal@19636
|
812 p386
|
pascal@19571
|
813 push ecx
|
pascal@19571
|
814 push eax
|
pascal@19571
|
815 push 0
|
pascal@19571
|
816 push edx
|
pascal@19636
|
817 ifdef NO386
|
pascal@19636
|
818 p8086
|
pascal@19636
|
819 endif
|
pascal@19571
|
820 endif
|
pascal@19571
|
821 endif
|
pascal@19571
|
822 @@memcpy:
|
pascal@20528
|
823 extrn memcpy32:near
|
pascal@20528
|
824 call near memcpy32
|
pascal@19571
|
825 @@skip:
|
pascal@19571
|
826 ret
|
pascal@19571
|
827
|
pascal@20528
|
828 endp @memcpy_image$qp11image_himem
|
pascal@19571
|
829
|
pascal@19571
|
830 ;***************************************************************
|
pascal@20630
|
831 ;_fastcall void storepage(bx:u32 *dst);
|
pascal@19571
|
832 ;***************************************************************
|
pascal@20538
|
833 global @storepage$qpul:near
|
pascal@20538
|
834 proc @storepage$qpul near
|
pascal@19571
|
835
|
pascal@19571
|
836 ifndef NO386
|
pascal@19571
|
837 mov edx,[bx]
|
pascal@19571
|
838 else
|
pascal@19571
|
839 mov ax,[bx]
|
pascal@19571
|
840 mov dx,[bx+2]
|
pascal@19571
|
841 endif
|
pascal@20538
|
842 mov cx,offset _xfer_buf
|
pascal@20146
|
843 storepage: ; storepage(edx,cx)
|
pascal@19571
|
844 ifndef NO386
|
pascal@19571
|
845 push 0
|
pascal@19571
|
846 push 4096
|
pascal@19571
|
847 push 0
|
pascal@19571
|
848 else
|
pascal@19571
|
849 xor bx,bx
|
pascal@19571
|
850 push bx
|
pascal@19571
|
851 mov bh,4096/256
|
pascal@19571
|
852 push bx
|
pascal@19571
|
853 xor bx,bx
|
pascal@19571
|
854 push bx
|
pascal@19571
|
855 endif
|
pascal@19571
|
856 push cx
|
pascal@19571
|
857 push ds
|
pascal@19571
|
858 jmp call_memcpy32
|
pascal@19571
|
859
|
pascal@20538
|
860 endp @storepage$qpul
|
pascal@19571
|
861
|
pascal@19571
|
862
|
pascal@19571
|
863 ifdef LARGE_IMAGES
|
pascal@19636
|
864 p386
|
pascal@19571
|
865 ;***************************************************************
|
pascal@20630
|
866 ;_fastcall void reset_bufv(bx:u32 *p);
|
pascal@19571
|
867 ;***************************************************************
|
pascal@20528
|
868 global @reset_bufv$qpul:near
|
pascal@20528
|
869 proc @reset_bufv$qpul near
|
pascal@19571
|
870
|
pascal@20524
|
871 mov [curdata],bx
|
pascal@19571
|
872 and [dword (data_himem bx).cacheidx],0
|
pascal@19571
|
873 ret
|
pascal@19571
|
874
|
pascal@20528
|
875 endp @reset_bufv$qpul
|
pascal@19571
|
876
|
pascal@19571
|
877 ;***************************************************************
|
pascal@19571
|
878 ;u32* prev_bufv();
|
pascal@19571
|
879 ;u32* prev_bufv();
|
pascal@19571
|
880 ;***************************************************************
|
pascal@19571
|
881 global _prev_bufv:near
|
pascal@19571
|
882 global _next_bufv:near
|
pascal@19571
|
883 proc _prev_bufv near
|
pascal@19571
|
884
|
pascal@19571
|
885 stc
|
pascal@19571
|
886 db 73h ; jnc
|
pascal@19571
|
887 _next_bufv:
|
pascal@19571
|
888 clc
|
pascal@20528
|
889 push si
|
pascal@20528
|
890 mov si,[curdata]
|
pascal@19571
|
891 sbb ax,ax
|
pascal@20527
|
892 cmc
|
pascal@20527
|
893 adc ax,[(data_himem si).cacheidx] ; -1/+1
|
pascal@19571
|
894 xor ecx,ecx
|
pascal@19571
|
895 test ax,0fc00h
|
pascal@19571
|
896 jz @@gotpage
|
pascal@19571
|
897 push ax ; FFFF / 0400
|
pascal@19571
|
898 sar ax,8 ; FFFC / 0004
|
pascal@19571
|
899 and al,0fch
|
pascal@19571
|
900 add [(data_himem si).pageidx],ax
|
pascal@19571
|
901 mov bx,[(data_himem si).pageidx]
|
pascal@19571
|
902 lea bx,[(data_himem bx+si).page]
|
pascal@19571
|
903 mov edx,ds
|
pascal@19571
|
904 shl edx,4
|
pascal@19571
|
905 lea cx,[(data_himem si).cache]
|
pascal@19571
|
906 add edx,ecx
|
pascal@19571
|
907 mov eax,[bx]
|
pascal@19571
|
908 or eax,eax
|
pascal@19571
|
909 jnz @@pageok
|
pascal@19571
|
910 pop ax
|
pascal@19571
|
911 xchg ax,bx
|
pascal@19571
|
912 pop si
|
pascal@19571
|
913 ret
|
pascal@19571
|
914 @@pageok:
|
pascal@19571
|
915 mov cx,4096
|
pascal@19571
|
916 call memcpy_imagez ; get page
|
pascal@19571
|
917 pop ax ; FFFF / 0400
|
pascal@19571
|
918 cbw
|
pascal@19571
|
919 shr ax,6 ; 03FF / 0000
|
pascal@19571
|
920 @@gotpage:
|
pascal@19571
|
921 mov [(data_himem si).cacheidx],ax
|
pascal@19571
|
922 shl ax,2
|
pascal@19571
|
923 xchg ax,bx
|
pascal@19571
|
924 lea ax,[(data_himem bx+si).cache]
|
pascal@19571
|
925 or bx,[(data_himem si).pageidx] ; !pageidx && !cacheidx
|
pascal@19571
|
926 jnz @@notfirst2
|
pascal@19571
|
927 xchg ax,si ; &first
|
pascal@19571
|
928 @@notfirst2:
|
pascal@19571
|
929 pop si
|
pascal@19571
|
930 ret
|
pascal@19571
|
931
|
pascal@19571
|
932 endp _prev_bufv
|
pascal@19571
|
933 endif
|
pascal@19571
|
934
|
pascal@20146
|
935 ifdef NO386
|
pascal@20146
|
936 p8086
|
pascal@20146
|
937 endif
|
pascal@19571
|
938
|
pascal@19571
|
939 ;***************************************************************
|
pascal@21649
|
940 ;_fastcall void open_image(bx:struct image_himem *m, ax:const char *name);
|
pascal@19515
|
941 ;***************************************************************
|
pascal@21649
|
942
|
pascal@21649
|
943 global @open_image$qp11image_himempxzc:near
|
pascal@21649
|
944 proc @open_image$qp11image_himempxzc near
|
pascal@19515
|
945
|
pascal@20484
|
946 push di
|
pascal@21649
|
947 xchg ax,bx
|
pascal@20485
|
948 xchg ax,di
|
pascal@20538
|
949 ifdef EXTRA
|
pascal@20538
|
950 cmp [(image_himem di).fd],0 ; iso image/kernel ?
|
pascal@20538
|
951 jnz @@alreadydone
|
pascal@20538
|
952 endif
|
pascal@20484
|
953 mov [(image_himem di).state],bx
|
pascal@20484
|
954 push bx
|
pascal@20534
|
955 ifdef EXTRA
|
pascal@20538
|
956 cmp [(image_himem di).next_chunk],0 ; iso image/initrd ?
|
pascal@20538
|
957 jnz @@next
|
pascal@20534
|
958 mov [(image_himem di).next_chunk],offset next_chunk
|
pascal@19515
|
959 @@next:
|
pascal@21712
|
960 push di
|
pascal@19546
|
961 call [(image_himem di).next_chunk] ; m->next_chunk()
|
pascal@21735
|
962 pop di
|
pascal@20778
|
963 else
|
pascal@20778
|
964 @@next:
|
pascal@20778
|
965 call next_chunk
|
pascal@20778
|
966 endif
|
pascal@19515
|
967 ifndef NO386
|
pascal@19515
|
968 add eax,3
|
pascal@19515
|
969 and al,0FCh
|
pascal@19546
|
970 add [(image_himem di).size],eax ; m->size += m->chunk_size
|
pascal@19515
|
971 or eax,eax
|
pascal@19515
|
972 else
|
pascal@19515
|
973 add ax,3
|
pascal@19515
|
974 adc dx,0
|
pascal@19515
|
975 and al,0FCh
|
pascal@19546
|
976 add [word (image_himem di).size],ax ; m->size += m->chunk_size
|
pascal@19546
|
977 adc [word ((image_himem di).size)+2],dx
|
pascal@20520
|
978 or ax,dx
|
pascal@19515
|
979 endif
|
pascal@20520
|
980 jnz @@next
|
pascal@20484
|
981 pop [(image_himem di).state]
|
pascal@20778
|
982 ifdef EXTRA
|
pascal@21712
|
983 push di
|
pascal@19546
|
984 call [(image_himem di).next_chunk] ; m->next_chunk()
|
pascal@21735
|
985 pop di
|
pascal@20778
|
986 else
|
pascal@20778
|
987 call next_chunk
|
pascal@20778
|
988 endif
|
pascal@20538
|
989 @@alreadydone:
|
pascal@20484
|
990 pop di
|
pascal@19515
|
991 ret
|
pascal@19515
|
992
|
pascal@21649
|
993 endp @open_image$qp11image_himempxzc
|
pascal@19515
|
994
|
pascal@19515
|
995
|
pascal@19515
|
996 ;***************************************************************
|
pascal@20630
|
997 ;_fastcall int read_image(bx:struct image_himem *m);
|
pascal@19515
|
998 ;***************************************************************
|
pascal@20538
|
999 global @read_image$qp11image_himem:near
|
pascal@20538
|
1000 proc @read_image$qp11image_himem near
|
pascal@19515
|
1001
|
pascal@20539
|
1002 push si di
|
pascal@20538
|
1003 mov di,bx
|
pascal@20539
|
1004 mov si,4096
|
pascal@20539
|
1005 push si ; original size
|
pascal@19515
|
1006 @@loop:
|
pascal@19538
|
1007 ifndef NO386
|
pascal@20539
|
1008 movzx ecx,si
|
pascal@19546
|
1009 mov eax,[(image_himem di).chunk_size]
|
pascal@19538
|
1010 cmp ecx,eax
|
pascal@19538
|
1011 jb @@szok
|
pascal@19538
|
1012 else
|
pascal@20539
|
1013 mov cx,si
|
pascal@19546
|
1014 mov ax,[word (image_himem di).chunk_size]
|
pascal@19538
|
1015 cmp cx,ax
|
pascal@19515
|
1016 jb @@szok
|
pascal@19546
|
1017 cmp [word ((image_himem di).chunk_size)+2],0 ; hi m->chunk_size
|
pascal@19515
|
1018 jne @@szok
|
pascal@20484
|
1019 endif
|
pascal@19515
|
1020 xchg ax,cx
|
pascal@19515
|
1021 @@szok:
|
pascal@19538
|
1022 jcxz image_done
|
pascal@20778
|
1023 mov dx,offset _xfer_buf+4096
|
pascal@20778
|
1024 sub dx,si
|
pascal@20538
|
1025 mov bx,[di]
|
pascal@20528
|
1026 call @read$cxdxbx
|
pascal@19538
|
1027 jc image_done
|
pascal@19515
|
1028 xor cx,cx
|
pascal@20539
|
1029 cwd ; ax < 8000h
|
pascal@19538
|
1030 ifndef NO386
|
pascal@19538
|
1031 cwde ; ax < 8000h
|
pascal@19546
|
1032 sub [(image_himem di).chunk_size],eax
|
pascal@20541
|
1033 xchg eax,ebx
|
pascal@19538
|
1034 else
|
pascal@19546
|
1035 sub [word (image_himem di).chunk_size],ax
|
pascal@20539
|
1036 xchg ax,bx
|
pascal@19546
|
1037 sbb [word ((image_himem di).chunk_size)+2],dx
|
pascal@19538
|
1038 jnz @@fill
|
pascal@19546
|
1039 cmp [word (image_himem di).chunk_size],dx
|
pascal@19538
|
1040 endif
|
pascal@19538
|
1041 jnz @@fill
|
pascal@20539
|
1042 dec cx
|
pascal@19515
|
1043 @@fill:
|
pascal@20539
|
1044 test bl,3
|
pascal@19515
|
1045 je @@filled
|
pascal@20539
|
1046 mov [bx+_xfer_buf],dh
|
pascal@20539
|
1047 inc bx
|
pascal@19515
|
1048 jmp @@fill
|
pascal@19515
|
1049 @@filled:
|
pascal@19538
|
1050 ifndef NO386
|
pascal@20541
|
1051 sub [(image_himem di).remaining],ebx
|
pascal@19538
|
1052 else
|
pascal@20539
|
1053 sub [word (image_himem di).remaining],bx
|
pascal@19546
|
1054 sbb [word ((image_himem di).remaining)+2],dx
|
pascal@19538
|
1055 endif
|
pascal@20541
|
1056 sub si,bx
|
pascal@19538
|
1057 pushf
|
pascal@20778
|
1058 ifdef EXTRA
|
pascal@20539
|
1059 and cx,[(image_himem di).next_chunk]
|
pascal@20484
|
1060 jcxz @@same_chunk
|
pascal@20778
|
1061 push di
|
pascal@20539
|
1062 call cx
|
pascal@20778
|
1063 pop cx
|
pascal@20778
|
1064 else
|
pascal@20778
|
1065 jcxz @@same_chunk
|
pascal@20778
|
1066 call next_chunk
|
pascal@20778
|
1067 endif
|
pascal@19538
|
1068 @@same_chunk:
|
pascal@19538
|
1069 popf
|
pascal@19538
|
1070 jnz @@loop
|
pascal@20484
|
1071 image_done:
|
pascal@20528
|
1072 pop ax ; original size
|
pascal@20539
|
1073 sub ax,si
|
pascal@20539
|
1074 pop di si
|
pascal@20538
|
1075 ret
|
pascal@19515
|
1076
|
pascal@20538
|
1077 endp @read_image$qp11image_himem
|
pascal@19515
|
1078
|
pascal@19515
|
1079
|
pascal@19515
|
1080 ;***************************************************************
|
pascal@21569
|
1081 ;_fastcall unsigned long strtol(const char *s);
|
pascal@19515
|
1082 ;***************************************************************
|
pascal@20528
|
1083 global @strtol$qpxzc:near
|
pascal@20528
|
1084 proc @strtol$qpxzc near
|
pascal@19515
|
1085
|
pascal@20528
|
1086 ifndef NO386
|
pascal@19515
|
1087 push si
|
pascal@21569
|
1088 mov si,bx
|
pascal@19515
|
1089 xor ecx,ecx
|
pascal@19515
|
1090 xor eax,eax
|
pascal@21569
|
1091 xor ebx,ebx
|
pascal@21569
|
1092 or si,si
|
pascal@21569
|
1093 jz @@end
|
pascal@19515
|
1094 lodsb
|
pascal@19634
|
1095 mov dx,ax
|
pascal@19634
|
1096 or al,20h
|
pascal@19634
|
1097 cmp al,'n' ; vga=normal
|
pascal@19538
|
1098 je @@vga
|
pascal@19538
|
1099 dec cx
|
pascal@19634
|
1100 cmp al,'e' ; vga=extended
|
pascal@19538
|
1101 je @@vga
|
pascal@19538
|
1102 dec cx
|
pascal@19634
|
1103 cmp al,'a' ; vga=ask
|
pascal@19538
|
1104 jne @@notvga
|
pascal@19538
|
1105 @@vga:
|
pascal@19538
|
1106 dec cx
|
pascal@19538
|
1107 xchg ax,cx
|
pascal@19538
|
1108 cwd
|
pascal@19634
|
1109 jmp @@popsiret
|
pascal@19538
|
1110 @@notvga:
|
pascal@19538
|
1111 mov cx,10 ; radix
|
pascal@19634
|
1112 xchg ax,dx
|
pascal@19515
|
1113 cmp al,'+'
|
pascal@19515
|
1114 je @@radixskip
|
pascal@19515
|
1115 cmp al,'-'
|
pascal@19515
|
1116 clc
|
pascal@19515
|
1117 jne @@radixkeep
|
pascal@19515
|
1118 stc
|
pascal@19515
|
1119 @@radixskip:
|
pascal@19515
|
1120 lodsb
|
pascal@19515
|
1121 @@radixkeep:
|
pascal@19515
|
1122 pushf
|
pascal@19515
|
1123 cmp al,'0'
|
pascal@19515
|
1124 jne @@radixok
|
pascal@19515
|
1125 mov cl,8
|
pascal@19515
|
1126 lodsb
|
pascal@19634
|
1127 or al,20h
|
pascal@19634
|
1128 cmp al,'x'
|
pascal@19515
|
1129 jne @@radixok
|
pascal@19515
|
1130 mov cl,16
|
pascal@19515
|
1131 @@strtollp:
|
pascal@19515
|
1132 lodsb
|
pascal@19515
|
1133 @@radixok:
|
pascal@19634
|
1134 or al,20h
|
pascal@19515
|
1135 sub al,'0'
|
pascal@19515
|
1136 jb @@endstrtol
|
pascal@19515
|
1137 cmp al,9
|
pascal@19515
|
1138 jbe @@digitok
|
pascal@19515
|
1139 cmp al,'a'-'0'
|
pascal@19515
|
1140 jb @@endstrtol
|
pascal@19515
|
1141 sub al,'a'-'0'-10
|
pascal@19515
|
1142 @@digitok:
|
pascal@19515
|
1143 cmp al,cl
|
pascal@19515
|
1144 jae @@endstrtol
|
pascal@19515
|
1145 xchg eax,ebx
|
pascal@19515
|
1146 mul ecx
|
pascal@19515
|
1147 add eax,ebx
|
pascal@19515
|
1148 xchg eax,ebx
|
pascal@19515
|
1149 jmp @@strtollp
|
pascal@19515
|
1150 @@endstrtol:
|
pascal@19515
|
1151 mov cl,10
|
pascal@19515
|
1152 cmp al,'k'-'a'+10
|
pascal@19515
|
1153 je @@shift
|
pascal@19515
|
1154 mov cl,20
|
pascal@19515
|
1155 cmp al,'m'-'a'+10
|
pascal@19515
|
1156 je @@shift
|
pascal@19515
|
1157 mov cl,30
|
pascal@19515
|
1158 cmp al,'g'-'a'+10
|
pascal@19515
|
1159 jne @@noshift
|
pascal@19515
|
1160 @@shift:
|
pascal@19515
|
1161 shl ebx,cl
|
pascal@19515
|
1162 @@noshift:
|
pascal@19515
|
1163 popf
|
pascal@19515
|
1164 jnc @@end
|
pascal@19515
|
1165 neg ebx
|
pascal@19515
|
1166 @@end:
|
pascal@19515
|
1167 push ebx
|
pascal@19515
|
1168 pop ax
|
pascal@19515
|
1169 pop dx
|
pascal@19634
|
1170 @@popsiret:
|
pascal@19515
|
1171 pop si
|
pascal@19515
|
1172 else
|
pascal@19515
|
1173 push si
|
pascal@19515
|
1174 push di
|
pascal@19515
|
1175 xor ax,ax
|
pascal@19515
|
1176 cwd
|
pascal@21569
|
1177 or bx,bx
|
pascal@21569
|
1178 jz @@goend
|
pascal@19515
|
1179 xchg ax,di
|
pascal@21569
|
1180 mov si,bx
|
pascal@19538
|
1181 lodsb
|
pascal@19634
|
1182 mov bx,ax
|
pascal@19634
|
1183 or al,20h
|
pascal@19538
|
1184 mov cx,-1
|
pascal@19634
|
1185 cmp al,'n' ; vga=normal
|
pascal@19538
|
1186 je @@vga
|
pascal@19538
|
1187 dec cx
|
pascal@19634
|
1188 cmp al,'e' ; vga=extended
|
pascal@19538
|
1189 je @@vga
|
pascal@19538
|
1190 dec cx
|
pascal@19634
|
1191 cmp al,'a' ; vga=ask
|
pascal@19538
|
1192 jne @@notvga
|
pascal@19538
|
1193 @@vga:
|
pascal@19538
|
1194 xchg ax,cx
|
pascal@19538
|
1195 @@goend:
|
pascal@19634
|
1196 jmp @@popdisiret
|
pascal@19538
|
1197 @@notvga:
|
pascal@19515
|
1198 mov cx,10 ; radix
|
pascal@19634
|
1199 xchg ax,bx
|
pascal@19515
|
1200 cmp al,'+'
|
pascal@19515
|
1201 je @@radixskip
|
pascal@19515
|
1202 cmp al,'-'
|
pascal@19515
|
1203 clc
|
pascal@19515
|
1204 jne @@radixkeep
|
pascal@19515
|
1205 stc
|
pascal@19515
|
1206 @@radixskip:
|
pascal@19515
|
1207 lodsb
|
pascal@19515
|
1208 @@radixkeep:
|
pascal@19515
|
1209 pushf
|
pascal@19515
|
1210 cmp al,'0'
|
pascal@19515
|
1211 jne @@radixok
|
pascal@19515
|
1212 mov cl,8
|
pascal@19515
|
1213 lodsb
|
pascal@20146
|
1214 or al,20h
|
pascal@19634
|
1215 cmp al,'x'
|
pascal@19515
|
1216 jne @@radixok
|
pascal@19515
|
1217 mov cl,16
|
pascal@19515
|
1218 @@strtollp:
|
pascal@19515
|
1219 lodsb
|
pascal@19515
|
1220 @@radixok:
|
pascal@19634
|
1221 or al,20h
|
pascal@19515
|
1222 sub al,'0'
|
pascal@19515
|
1223 jb @@endstrtol
|
pascal@19515
|
1224 cmp al,9
|
pascal@19515
|
1225 jbe @@digitok
|
pascal@19515
|
1226 cmp al,'a'-'0'
|
pascal@19515
|
1227 jb @@endstrtol
|
pascal@19515
|
1228 sub al,'a'-'0'-10
|
pascal@19515
|
1229 @@digitok:
|
pascal@19515
|
1230 cmp al,cl
|
pascal@19515
|
1231 jae @@endstrtol
|
pascal@19515
|
1232
|
pascal@19515
|
1233 push ax
|
pascal@19515
|
1234 push si
|
pascal@19515
|
1235 push dx
|
pascal@19515
|
1236 xchg ax,di
|
pascal@19515
|
1237 mul cx
|
pascal@19515
|
1238 xchg ax,di
|
pascal@19515
|
1239 xchg ax,dx
|
pascal@19515
|
1240 xchg ax,si
|
pascal@19515
|
1241 pop ax
|
pascal@19515
|
1242 mul cx
|
pascal@19515
|
1243 add ax,si
|
pascal@19515
|
1244 pop si
|
pascal@19515
|
1245 xchg ax,dx
|
pascal@19515
|
1246 pop ax
|
pascal@19515
|
1247 mov ah,0
|
pascal@19515
|
1248 add di,ax
|
pascal@19515
|
1249 adc dx,0
|
pascal@19515
|
1250
|
pascal@19515
|
1251 jmp @@strtollp
|
pascal@19515
|
1252 @@endstrtol:
|
pascal@19515
|
1253 mov cl,10
|
pascal@19515
|
1254 cmp al,'k'-'a'+10
|
pascal@19515
|
1255 je @@shift
|
pascal@19515
|
1256 mov cl,20
|
pascal@19515
|
1257 cmp al,'m'-'a'+10
|
pascal@19515
|
1258 je @@shift
|
pascal@19515
|
1259 mov cl,30
|
pascal@19515
|
1260 cmp al,'g'-'a'+10
|
pascal@19515
|
1261 jne @@noshift
|
pascal@19515
|
1262 @@shift:
|
pascal@19515
|
1263 rcl di,1
|
pascal@19515
|
1264 shl dx,1
|
pascal@19515
|
1265 loop @@shift
|
pascal@19515
|
1266 @@noshift:
|
pascal@19515
|
1267 popf
|
pascal@19515
|
1268 jnc @@end
|
pascal@19515
|
1269 not dx
|
pascal@19515
|
1270 neg di
|
pascal@19515
|
1271 jne @@end
|
pascal@19515
|
1272 inc dx
|
pascal@19515
|
1273 @@end:
|
pascal@19515
|
1274 xchg ax,di
|
pascal@19634
|
1275 @@popdisiret:
|
pascal@19515
|
1276 pop di
|
pascal@19515
|
1277 pop si
|
pascal@19515
|
1278 endif
|
pascal@20528
|
1279 strtol_ret:
|
pascal@19515
|
1280 ret
|
pascal@19515
|
1281
|
pascal@20528
|
1282 endp @strtol$qpxzc
|
pascal@19515
|
1283
|
pascal@19515
|
1284
|
pascal@20751
|
1285 ifdef USE_ARGSTR
|
pascal@20751
|
1286 ;***************************************************************
|
pascal@20751
|
1287 ;_fastcall void set_cmdline(bx:const char *filename);
|
pascal@20751
|
1288 ;***************************************************************
|
pascal@20751
|
1289 global @set_cmdline$qpxzc:near
|
pascal@20751
|
1290 proc @set_cmdline$qpxzc near
|
pascal@20751
|
1291 call openargs
|
pascal@20751
|
1292 jc strtol_ret
|
pascal@20751
|
1293 mov cx,4096
|
pascal@20751
|
1294 mov di,[_heap_top]
|
pascal@20751
|
1295 extrn read_cmdline:near
|
pascal@20751
|
1296 jmp near read_cmdline ; read_cmdline(ax,di,cx)
|
pascal@20751
|
1297
|
pascal@20751
|
1298 endp @set_cmdline$qpxzc
|
pascal@20751
|
1299 endif
|
pascal@20751
|
1300
|
pascal@20751
|
1301
|
pascal@19515
|
1302 ifdef NO386
|
pascal@19515
|
1303 ;***************************************************************
|
pascal@19515
|
1304 ;u16 topseg();
|
pascal@19515
|
1305 ;***************************************************************
|
pascal@19515
|
1306 global _topseg:near
|
pascal@19515
|
1307 proc _topseg near
|
pascal@19515
|
1308
|
pascal@19515
|
1309 int 12h
|
pascal@19515
|
1310 jnc @@max640k
|
pascal@19515
|
1311 mov ax,640 ; 9000
|
pascal@19515
|
1312 @@max640k:
|
pascal@19634
|
1313 dec ax
|
pascal@19515
|
1314 and al,0C0h
|
pascal@19515
|
1315 mov cl,6
|
pascal@19515
|
1316 shl ax,cl
|
pascal@19515
|
1317 ret
|
pascal@19515
|
1318
|
pascal@19515
|
1319 endp _topseg
|
pascal@19515
|
1320 endif
|
pascal@19515
|
1321
|
pascal@19825
|
1322 ifdef EXTRA
|
pascal@19825
|
1323 p8086
|
pascal@19825
|
1324 ;***************************************************************
|
pascal@19825
|
1325 ;char *progname(void)
|
pascal@19825
|
1326 ;***************************************************************
|
pascal@19825
|
1327 global _progname:near
|
pascal@19825
|
1328 proc _progname near
|
pascal@19825
|
1329
|
pascal@19825
|
1330 push si di es
|
pascal@19825
|
1331 mov ah,30h
|
pascal@19825
|
1332 int 21h
|
pascal@19875
|
1333 xor di,di
|
pascal@19825
|
1334 cmp al,3
|
pascal@19874
|
1335 mov ax,di
|
pascal@19825
|
1336 jb @@skip
|
pascal@19873
|
1337 ;mov es,[cs:2Ch]
|
pascal@19874
|
1338 mov es,[di+2Ch]
|
pascal@20146
|
1339 mov cx,sp ; big enough
|
pascal@19870
|
1340 @@loop:
|
pascal@19825
|
1341 repne
|
pascal@19825
|
1342 scasb
|
pascal@19825
|
1343 scasb
|
pascal@19870
|
1344 jne @@loop
|
pascal@19870
|
1345 inc di
|
pascal@19870
|
1346 inc di
|
pascal@19870
|
1347 mov si,di ; progname @es:di
|
pascal@19870
|
1348 repne
|
pascal@19870
|
1349 scasb
|
pascal@19870
|
1350 mov cx,di
|
pascal@19874
|
1351 sub cx,si ; progname len
|
pascal@19870
|
1352 call malloc_or_die ; keep cx
|
pascal@19870
|
1353 mov di,ax
|
pascal@19825
|
1354 push ds
|
pascal@19825
|
1355 push es
|
pascal@19825
|
1356 pop ds
|
pascal@19825
|
1357 pop es
|
pascal@19870
|
1358 rep
|
pascal@19870
|
1359 movsb
|
pascal@19870
|
1360 push es
|
pascal@19825
|
1361 pop ds
|
pascal@19825
|
1362 @@skip:
|
pascal@19825
|
1363 pop es di si
|
pascal@19825
|
1364 ret
|
pascal@19825
|
1365
|
pascal@19825
|
1366 endp _progname
|
pascal@19825
|
1367
|
pascal@19825
|
1368
|
pascal@19825
|
1369 ;***************************************************************
|
pascal@20630
|
1370 ;_fastcall void chdirname(bx:char *path)
|
pascal@19825
|
1371 ;***************************************************************
|
pascal@20528
|
1372 global @chdirname$qpzc:near
|
pascal@20528
|
1373 proc @chdirname$qpzc near
|
pascal@19825
|
1374
|
pascal@20146
|
1375 cmp [byte bx+1],3Ah ; ':'
|
pascal@19825
|
1376 jne @@nodisk
|
pascal@19875
|
1377 mov dl,20h
|
pascal@19875
|
1378 or dl,[bx]
|
pascal@19825
|
1379 sub dl,61h
|
pascal@19825
|
1380 mov ah,0Eh
|
pascal@19825
|
1381 int 21h
|
pascal@19825
|
1382 inc bx
|
pascal@19825
|
1383 inc bx
|
pascal@19825
|
1384 @@nodisk:
|
pascal@19825
|
1385 xor cx,cx
|
pascal@19825
|
1386 @@next:
|
pascal@19825
|
1387 mov al,[bx]
|
pascal@19825
|
1388 cmp al,5Ch
|
pascal@19825
|
1389 jne @@tsteos
|
pascal@19875
|
1390 mov dx,bx
|
pascal@19875
|
1391 inc cx
|
pascal@19825
|
1392 @@tsteos:
|
pascal@19825
|
1393 inc bx
|
pascal@19825
|
1394 or al,al
|
pascal@19825
|
1395 jnz @@next
|
pascal@19825
|
1396 jcxz @@end
|
pascal@19875
|
1397 mov bx,dx
|
pascal@19825
|
1398 push [word bx]
|
pascal@19825
|
1399 mov [bx],al
|
pascal@20630
|
1400 ifdef LONG_FILENAME
|
pascal@19875
|
1401 stc
|
pascal@20146
|
1402 mov ax,713Bh ; chdir long filename (ds:dx)
|
pascal@19875
|
1403 int 21h
|
pascal@20630
|
1404 jnc @@chdirdone
|
pascal@20630
|
1405 endif
|
pascal@20146
|
1406 mov ah,3Bh ; chdir(ds:dx)
|
pascal@19875
|
1407 int 21h
|
pascal@20510
|
1408 @@chdirdone:
|
pascal@19825
|
1409 pop [word bx]
|
pascal@19825
|
1410 @@end:
|
pascal@19825
|
1411 ret
|
pascal@19825
|
1412
|
pascal@20528
|
1413 endp @chdirname$qpzc
|
pascal@19825
|
1414
|
pascal@19825
|
1415
|
pascal@19825
|
1416 ;***************************************************************
|
pascal@20630
|
1417 ;_fastcall char *ultoa(axdx:unsigned long n);
|
pascal@19825
|
1418 ;***************************************************************
|
pascal@20528
|
1419 global @ultoa$qul:near
|
pascal@20528
|
1420 proc @ultoa$qul near
|
pascal@19825
|
1421
|
pascal@20538
|
1422 xchg ax,cx
|
pascal@20538
|
1423 xchg ax,dx ; AX:CX = n
|
pascal@19825
|
1424 push si
|
pascal@19825
|
1425 mov si,10
|
pascal@19825
|
1426 mov bx,offset ultoabuf+11
|
pascal@19825
|
1427 @@loop:
|
pascal@19825
|
1428 dec bx
|
pascal@19825
|
1429 xor dx,dx
|
pascal@19825
|
1430 div si ; DX:AX = 0000:hi(n)
|
pascal@19825
|
1431 xchg ax,cx ; CX = hi(n)/10
|
pascal@19825
|
1432 div si ; DX:AX = hi(n)%10:lo(n)
|
pascal@19825
|
1433 xchg ax,cx ; CX = lo(n/10)
|
pascal@20528
|
1434 ; AX = hi(n)/10 = hi(n/10)
|
pascal@20528
|
1435 mov [byte bx],'0'
|
pascal@20528
|
1436 add [bx],dl ; DL = n%10
|
pascal@20528
|
1437 mov dx,ax
|
pascal@20528
|
1438 or dx,cx
|
pascal@19825
|
1439 jnz @@loop
|
pascal@19825
|
1440 xchg ax,bx
|
pascal@19825
|
1441 pop si
|
pascal@19825
|
1442 ret
|
pascal@19825
|
1443
|
pascal@20528
|
1444 endp @ultoa$qul
|
pascal@19825
|
1445
|
pascal@19825
|
1446
|
pascal@19825
|
1447 ;***************************************************************
|
pascal@20630
|
1448 ;_fastcall unsigned long kver2ul(bx:char *kernel_version);
|
pascal@19825
|
1449 ;***************************************************************
|
pascal@20528
|
1450 global @kver2ul$qpzc:near
|
pascal@20528
|
1451 proc @kver2ul$qpzc near
|
pascal@19825
|
1452
|
pascal@20146
|
1453 push si
|
pascal@20538
|
1454 mov si,bx
|
pascal@20146
|
1455 xor bx,bx
|
pascal@20146
|
1456 mov cx,304h
|
pascal@19825
|
1457 @@number:
|
pascal@19825
|
1458 xor ax,ax
|
pascal@20146
|
1459 cwd
|
pascal@19825
|
1460 @@digit:
|
pascal@19825
|
1461 shl al,cl
|
pascal@19825
|
1462 shl ax,cl
|
pascal@19825
|
1463 lodsb
|
pascal@19825
|
1464 sub al,30h
|
pascal@19825
|
1465 cmp al,9
|
pascal@19825
|
1466 jbe @@digit
|
pascal@20146
|
1467 mov dl,bh
|
pascal@20146
|
1468 mov bh,bl
|
pascal@20146
|
1469 mov bl,ah
|
pascal@20146
|
1470 dec ch
|
pascal@20146
|
1471 jnz @@number
|
pascal@20146
|
1472 xchg ax,bx
|
pascal@20146
|
1473 pop si
|
pascal@19825
|
1474 kver2ulret:
|
pascal@19825
|
1475 ret
|
pascal@19825
|
1476
|
pascal@20528
|
1477 endp @kver2ul$qpzc
|
pascal@19825
|
1478
|
pascal@20528
|
1479 endif
|
pascal@19825
|
1480
|
pascal@19825
|
1481 ;***************************************************************
|
pascal@19825
|
1482 ;void try_default_args();
|
pascal@19825
|
1483 ;***************************************************************
|
pascal@20528
|
1484 ifdef EXTRA
|
pascal@20528
|
1485
|
pascal@19825
|
1486 global _try_default_args:near
|
pascal@19825
|
1487 proc _try_default_args near
|
pascal@19825
|
1488
|
pascal@19825
|
1489 mov bx,offset tazboot_cmd
|
pascal@19825
|
1490 call open
|
pascal@19825
|
1491 jc kver2ulret
|
pascal@19825
|
1492 mov cx,4096
|
pascal@19825
|
1493 mov di,[_heap_top]
|
pascal@19825
|
1494 extrn read_cmdline:near
|
pascal@19825
|
1495 jmp near read_cmdline ; read_cmdline(ax,di,cx)
|
pascal@19825
|
1496
|
pascal@19825
|
1497 endp _try_default_args
|
pascal@19825
|
1498
|
pascal@20528
|
1499 endif
|
pascal@19825
|
1500
|
pascal@19515
|
1501 ends _TEXT
|
pascal@19515
|
1502
|
pascal@19515
|
1503 end
|
pascal@19515
|
1504
|
pascal@19515
|
1505 ;###### END OF FILE ############################################
|
pascal@19825
|
1506
|