rev |
line source |
pascal@19515
|
1 ;***************************************************************
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pascal@19515
|
2 ;****** This file is distributed under GPL
|
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
|
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 jne fail
|
pascal@20538
|
191 inc bx
|
pascal@20538
|
192
|
pascal@20528
|
193 global @open$qpxzc:near
|
pascal@20528
|
194 proc @open$qpxzc near
|
pascal@19515
|
195
|
pascal@19546
|
196 global open:near ; open(bx)
|
pascal@19515
|
197 open:
|
pascal@20630
|
198 ifdef LONG_FILENAME
|
pascal@20630
|
199 mov ax,716Ch
|
pascal@20632
|
200 push bx di si
|
pascal@20630
|
201 mov si,bx
|
pascal@20630
|
202 xor bx,bx ; R/O
|
pascal@20630
|
203 xor cx,cx ; attributes
|
pascal@20632
|
204 xor di,di ; alias hint
|
pascal@20630
|
205 cwd ; action = open
|
pascal@20634
|
206 stc
|
pascal@20630
|
207 int 21h
|
pascal@20632
|
208 pop si di bx
|
pascal@20630
|
209 jnc doret
|
pascal@20630
|
210 endif
|
pascal@20538
|
211 mov ax,3d00h ; read-only+compatibility
|
pascal@20538
|
212 ;mov cl,0 ; attribute mask
|
pascal@19515
|
213 mov dx,bx
|
pascal@21628
|
214 jmp dos
|
pascal@19515
|
215
|
pascal@20528
|
216 endp @open$qpxzc
|
pascal@19515
|
217
|
pascal@19515
|
218
|
pascal@19515
|
219 ;***************************************************************
|
pascal@20632
|
220 ;_fastcall int fileexist(bx:const char* name);
|
pascal@20632
|
221 ;***************************************************************
|
pascal@20632
|
222 global @fileexist$qpxzc:near
|
pascal@20632
|
223 @fileexist$qpxzc:
|
pascal@20632
|
224 call @open$qpxzc
|
pascal@20632
|
225 jc fail
|
pascal@20632
|
226
|
pascal@20632
|
227 ;***************************************************************
|
pascal@20630
|
228 ;_fastcall int close(ax:int fd);
|
pascal@19515
|
229 ;***************************************************************
|
pascal@20528
|
230 global @close$qi:near
|
pascal@20528
|
231 proc @close$qi near
|
pascal@19515
|
232
|
pascal@20540
|
233 global close:near ; close(ax)
|
pascal@19515
|
234 close:
|
pascal@20540
|
235 xchg ax,bx
|
pascal@19515
|
236 mov ah,3Eh
|
pascal@19515
|
237 or bx,bx
|
pascal@19515
|
238 jnz dos
|
pascal@19515
|
239 ret
|
pascal@19515
|
240
|
pascal@20528
|
241 endp @close$qi
|
pascal@19515
|
242
|
pascal@19515
|
243
|
pascal@19515
|
244 ;***************************************************************
|
pascal@20751
|
245 ;_fastcall int readrm(bx:struct himem *m, ax:int sz);
|
pascal@20630
|
246 ;_fastcall int read(ax:int fd, bx:void* data, dx:int sz);
|
pascal@20630
|
247 ;_fastcall int write(ax:int fd, bx:const void* data, dx:int sz);
|
pascal@19515
|
248 ;***************************************************************
|
pascal@20751
|
249 global @readrm$qp11image_himemi:near
|
pascal@20751
|
250 @readrm$qp11image_himemi:
|
pascal@20751
|
251 xchg ax,dx ; sz
|
pascal@20751
|
252 mov ax,[bx] ; fd
|
pascal@20751
|
253 mov bx,[bx-2] ; data
|
pascal@20528
|
254 global @read$qipvi:near
|
pascal@20528
|
255 proc @read$qipvi near
|
pascal@19515
|
256
|
pascal@20146
|
257 ifdef WRITE
|
pascal@19580
|
258 stc
|
pascal@19634
|
259 db 0B0h ; mov al,im
|
pascal@20528
|
260 global @write$qipvi:near
|
pascal@20528
|
261 @write$qipvi:
|
pascal@19580
|
262 clc
|
pascal@20146
|
263 endif
|
pascal@20632
|
264 @read$dxbxax:
|
pascal@20538
|
265 xchg ax,bx ; fd
|
pascal@20538
|
266 xchg ax,dx ; data
|
pascal@20538
|
267 xchg ax,cx ; sz
|
pascal@20146
|
268 ifdef WRITE
|
pascal@19580
|
269 mov ah,40h
|
pascal@19580
|
270 sbb ah,0
|
pascal@20146
|
271 else
|
pascal@20528
|
272 global @read$cxdxbx:near
|
pascal@20528
|
273 @read$cxdxbx:
|
pascal@20146
|
274 mov ah,3Fh
|
pascal@20146
|
275 endif
|
pascal@19515
|
276 jcxz fail
|
pascal@21628
|
277 dos:
|
pascal@21628
|
278 int 21h
|
pascal@21628
|
279 chkc:
|
pascal@21628
|
280 jnc doret
|
pascal@21628
|
281 fail:
|
pascal@21628
|
282 stc
|
pascal@21628
|
283 failifc:
|
pascal@21628
|
284 sbb ax,ax ; ax=-1 CF
|
pascal@21628
|
285 cwd
|
pascal@21628
|
286 doret:
|
pascal@21628
|
287 ifndef NO386
|
pascal@21628
|
288 push dx ; see next_chunk:lseek
|
pascal@21628
|
289 push ax
|
pascal@21628
|
290 pop eax
|
pascal@21628
|
291 endif
|
pascal@21628
|
292 ret
|
pascal@19515
|
293
|
pascal@20528
|
294 endp @read$qipvi
|
pascal@19515
|
295
|
pascal@19515
|
296 ;***************************************************************
|
pascal@20630
|
297 ;_fastcall long lseekcur(ax:int fd, dx:int whence);
|
pascal@19515
|
298 ;***************************************************************
|
pascal@19899
|
299
|
pascal@20548
|
300 global @lseekcur$qii:near ; fd=ax whence=dx
|
pascal@20542
|
301 proc @lseekcur$qii near
|
pascal@20542
|
302
|
pascal@20632
|
303 mov cl,1
|
pascal@20542
|
304 xchg ax,bx
|
pascal@20542
|
305 xchg ax,dx
|
pascal@20542
|
306 cwd
|
pascal@20542
|
307 xchg ax,dx
|
pascal@20542
|
308 xchg ax,cx
|
pascal@20542
|
309 jmp lseek
|
pascal@20542
|
310 rewind: ; rewind(ax)
|
pascal@20542
|
311 mov bl,0
|
pascal@20632
|
312 lseek0: ; lseek0(ax,bl=dir)
|
pascal@20542
|
313 xor dx,dx
|
pascal@19571
|
314 xor cx,cx
|
pascal@20632
|
315 lseekset:
|
pascal@20542
|
316 xchg ax,bx
|
pascal@20542
|
317 lseek:
|
pascal@20548
|
318 mov ah,42h ; bx=fd cx:dx=offset al=whence
|
pascal@19515
|
319 jmp dos
|
pascal@19515
|
320
|
pascal@20542
|
321 endp @lseekcur$qii
|
pascal@19825
|
322
|
pascal@20538
|
323 ifdef EXTRA
|
pascal@20538
|
324
|
pascal@20534
|
325 ;typedef unsigned dirsizetype;
|
pascal@20534
|
326 struc isostate ; struct isostate {
|
pascal@20534
|
327 fd dw ? ; 0 int fd;
|
pascal@20534
|
328 filemod dw ? ; 2 unsigned short filemod;
|
pascal@20534
|
329 fileofs dd ? ; 4 unsigned long fileofs;
|
pascal@20534
|
330 filesize dd ? ; 8 unsigned long filesize;
|
pascal@20534
|
331 filename dw ? ;12 char *filename;
|
pascal@20534
|
332 curdirsize dw ? ;14 dirsizetype curdirsize;
|
pascal@20534
|
333 dirsize dw ? ;16 dirsizetype dirsize;
|
pascal@20534
|
334 curdirofs dd ? ;18 unsigned long curdirofs;
|
pascal@20534
|
335 dirofs dd ? ;22 unsigned long dirofs;
|
pascal@20534
|
336 curpos dw ? ;26 unsigned curpos;
|
pascal@21628
|
337 filename2open dw ? ;28 char *filename2open;
|
pascal@21628
|
338 buffer db 2560 dup(?) ;30 char buffer[2048+512];
|
pascal@20534
|
339 ends ; } isostate;
|
pascal@19825
|
340 ;***************************************************************
|
pascal@20630
|
341 ;_fastcall long isolseek(bx:const unsigned long *offset);
|
pascal@20632
|
342 ;_fastcall long lseekset2(ax:int fd, bx:unsigned long* whence);
|
pascal@19825
|
343 ;***************************************************************
|
pascal@20528
|
344 global @isolseek$qpxul:near
|
pascal@20528
|
345 proc @isolseek$qpxul near
|
pascal@19825
|
346
|
pascal@20534
|
347 isolseek:
|
pascal@20632
|
348 extrn _isostate:isostate
|
pascal@20632
|
349 mov ax,[_isostate.fd]
|
pascal@20634
|
350 global @lseekset2$qipul:near
|
pascal@20632
|
351 @lseekset2$qipul:
|
pascal@19825
|
352 mov dx,[bx]
|
pascal@19825
|
353 mov cx,[bx+2]
|
pascal@20632
|
354 mov bl,0
|
pascal@20538
|
355 jmp lseekset
|
pascal@20534
|
356
|
pascal@20538
|
357 endp @isolseek$qpxul
|
pascal@20534
|
358
|
pascal@20534
|
359 ;***************************************************************
|
pascal@20630
|
360 ;_fastcall int isoreadsector(bx:const unsigned long *offset);
|
pascal@20534
|
361 ;***************************************************************
|
pascal@20534
|
362 global @isoreadsector$qpxul:near
|
pascal@20534
|
363 proc @isoreadsector$qpxul near
|
pascal@20534
|
364
|
pascal@20534
|
365 call isolseek
|
pascal@20632
|
366 jc doret
|
pascal@20632
|
367 mov dx,2560
|
pascal@20632
|
368 mov bx,offset _isostate.buffer
|
pascal@20632
|
369 mov ax,[_isostate.fd]
|
pascal@20632
|
370 jmp @read$dxbxax ; read(fd,buffer,2560)
|
pascal@20534
|
371
|
pascal@20534
|
372 endp @isoreadsector$qpxul
|
pascal@20534
|
373
|
pascal@21628
|
374
|
pascal@21628
|
375 ;***************************************************************
|
pascal@21628
|
376 ;_fastcall int isoreset(bx:const char *name);
|
pascal@21628
|
377 ;***************************************************************
|
pascal@21628
|
378 global @isoreset$qpzc:near
|
pascal@21628
|
379 proc @isoreset$qpzc near
|
pascal@21628
|
380
|
pascal@21628
|
381 or bx,bx
|
pascal@21628
|
382 jz fail
|
pascal@21628
|
383 call near ptr @open$qpxzc
|
pascal@21628
|
384 mov [_isostate.fd],ax
|
pascal@21628
|
385 extrn @isoroot$qv:near
|
pascal@21628
|
386 jmp @isoroot$qv
|
pascal@21628
|
387
|
pascal@21628
|
388 endp @isoreset$qpzc
|
pascal@21628
|
389
|
pascal@21628
|
390
|
pascal@21628
|
391 ;***************************************************************
|
pascal@21628
|
392 ;_fastcall int isoopen(bx:const char *name);
|
pascal@21628
|
393 ;***************************************************************
|
pascal@21628
|
394 global @isoopen$qpxzc:near
|
pascal@21628
|
395 proc @isoopen$qpxzc near
|
pascal@21628
|
396
|
pascal@21628
|
397 extrn @_isoopen$qv:near
|
pascal@21628
|
398 mov [_isostate.filename2open],bx
|
pascal@21628
|
399 jmp @_isoopen$qv
|
pascal@21628
|
400
|
pascal@21628
|
401 endp @isoopen$qpxzc
|
pascal@21628
|
402
|
pascal@19825
|
403 endif
|
pascal@19515
|
404
|
pascal@19515
|
405
|
pascal@20751
|
406 ifdef USE_ARGSTR
|
pascal@20751
|
407 ;***************************************************************
|
pascal@20751
|
408 ;_fastcall int argstr(bx:const char *s, ax:const char keywords[], dx:const char **var);
|
pascal@20751
|
409 ;_fastcall int argnum(bx:char *s, ax:const char keywords[], dx:unsigned long *var);
|
pascal@20751
|
410 ;***************************************************************
|
pascal@20751
|
411 global @argstr$qpxzcxt1ppxzc:near
|
pascal@20751
|
412 proc @argstr$qpxzcxt1ppxzc near
|
pascal@20751
|
413
|
pascal@21569
|
414 mov cl,2
|
pascal@21569
|
415 db 0a9h ; test ax,#
|
pascal@20751
|
416 global @argnum$qpzcxpxzcpul:near
|
pascal@20751
|
417 @argnum$qpzcxpxzcpul:
|
pascal@21569
|
418 mov cl,4
|
pascal@21569
|
419 xchg ax,bx ; keywords -> bx
|
pascal@21569
|
420 xchg ax,cx ; s -> cx
|
pascal@21569
|
421 cbw ; argstr:0002 argnum:0004
|
pascal@21569
|
422 xchg ax,dx ; vars -> ax
|
pascal@20751
|
423 push si di
|
pascal@21569
|
424 xchg ax,di ; vars => di
|
pascal@20751
|
425 dec bx
|
pascal@20751
|
426 @@testalt:
|
pascal@21569
|
427 mov al,-1
|
pascal@20751
|
428 sub di,dx
|
pascal@20751
|
429 @@test:
|
pascal@20751
|
430 cmp al,'='
|
pascal@20751
|
431 je @@found
|
pascal@21569
|
432 cmp al,0 ; eos, si=next argv
|
pascal@21569
|
433 je @@found
|
pascal@20751
|
434 mov si,cx ; s
|
pascal@20751
|
435 add di,dx
|
pascal@20751
|
436 @@match:
|
pascal@21569
|
437 inc bx ; keywords++
|
pascal@21569
|
438 lodsb ; *s++
|
pascal@20751
|
439 or al,20h
|
pascal@20751
|
440 cmp al,[bx]
|
pascal@20751
|
441 je @@match
|
pascal@20751
|
442 cmp al,'/' ; 2f
|
pascal@20751
|
443 jne @@notopt
|
pascal@20751
|
444 cmp [byte bx],'-'
|
pascal@20751
|
445 je @@match
|
pascal@20751
|
446 @@notopt:
|
pascal@20751
|
447 ifdef EXTRA
|
pascal@20751
|
448 cmp [byte bx],'/'
|
pascal@20751
|
449 je @@testalt
|
pascal@20751
|
450 endif
|
pascal@20751
|
451 cmp [byte bx],'|'
|
pascal@20751
|
452 je @@test
|
pascal@20751
|
453 mov al,0
|
pascal@20751
|
454 inc bx
|
pascal@20751
|
455 cmp [bx-1],al
|
pascal@20751
|
456 jne @@notopt
|
pascal@20751
|
457 stc
|
pascal@20751
|
458 jmp @@nokeyword
|
pascal@20751
|
459 @@found:
|
pascal@20751
|
460 mov [di],si
|
pascal@20751
|
461 dec dx
|
pascal@20751
|
462 dec dx
|
pascal@20751
|
463 je @@done
|
pascal@21569
|
464 mov bx,si
|
pascal@20751
|
465 call @strtol$qpxzc
|
pascal@20751
|
466 mov [di],ax
|
pascal@20751
|
467 mov [di+2],dx
|
pascal@20751
|
468 @@done:
|
pascal@20751
|
469 clc
|
pascal@20751
|
470 @@nokeyword:
|
pascal@20751
|
471 sbb ax,ax
|
pascal@20751
|
472 pop di si
|
pascal@20751
|
473 ret
|
pascal@20751
|
474
|
pascal@20751
|
475 endp @argstr$qpxzcxt1ppxzc
|
pascal@20751
|
476
|
pascal@20751
|
477 else
|
pascal@20751
|
478
|
pascal@19515
|
479 ;***************************************************************
|
pascal@20630
|
480 ;_fastcall int strhead(bx:const char* a, ax:const char* b);
|
pascal@19515
|
481 ;***************************************************************
|
pascal@20528
|
482 global @strhead$qpxzct1:near
|
pascal@20528
|
483 proc @strhead$qpxzct1 near
|
pascal@19515
|
484
|
pascal@19515
|
485 @@loop:
|
pascal@19634
|
486 xchg ax,bx
|
pascal@19515
|
487 mov cl,[bx] ; cl = *b++
|
pascal@19515
|
488 inc bx
|
pascal@19515
|
489 or cl,cl ; clear C
|
pascal@21628
|
490 jz failifc ; return 0
|
pascal@19515
|
491 xchg ax,bx
|
pascal@19515
|
492 xor cl,[bx] ; cl -= *a++
|
pascal@19634
|
493 inc bx
|
pascal@19515
|
494 and cl,0dfh ; case insensitive
|
pascal@21628
|
495 jne fail ; return -1
|
pascal@21628
|
496 jmp @@loop
|
pascal@19515
|
497
|
pascal@20528
|
498 endp @strhead$qpxzct1
|
pascal@19515
|
499
|
pascal@20751
|
500 endif
|
pascal@19515
|
501
|
pascal@19515
|
502 ;***************************************************************
|
pascal@20630
|
503 ;_fastcall char* malloc_or_die(ax:unsigned size);
|
pascal@19515
|
504 ;***************************************************************
|
pascal@20528
|
505 global @malloc_or_die$qui:near
|
pascal@20528
|
506 proc @malloc_or_die$qui near
|
pascal@19515
|
507
|
pascal@20540
|
508 xchg ax,cx ; size
|
pascal@19515
|
509 global malloc_or_die:near ; malloc_or_die(cx)
|
pascal@19515
|
510 malloc_or_die:
|
pascal@20510
|
511 mov ax,[_heap_top] ; return value
|
pascal@20510
|
512 mov bx,sp
|
pascal@20510
|
513 add bh,-14h ; MIN_STACK=_1k+PAGE_SIZE
|
pascal@20510
|
514 sub bx,ax ; can't overflow
|
pascal@20510
|
515 cmp bx,cx
|
pascal@20456
|
516 mov bx,offset msg_malloc
|
pascal@20510
|
517 jb die
|
pascal@20510
|
518 add [_heap_top],cx ; _BEG has zero'd heap
|
pascal@19515
|
519 ret
|
pascal@19515
|
520
|
pascal@20528
|
521 endp @malloc_or_die$qui
|
pascal@19515
|
522
|
pascal@19515
|
523
|
pascal@19515
|
524 ;***************************************************************
|
pascal@20630
|
525 ;_fastcall int die(bx:const char* msg);
|
pascal@19538
|
526 ;int exit();
|
pascal@19515
|
527 ;int abort();
|
pascal@19515
|
528 ;***************************************************************
|
pascal@20528
|
529 global @die$qpxzc:near
|
pascal@20528
|
530 proc @die$qpxzc near
|
pascal@20528
|
531 @die$qpxzc:
|
pascal@19515
|
532 global die:near ; die(bx)
|
pascal@19515
|
533 die:
|
pascal@19515
|
534 call puts
|
pascal@20486
|
535 ; global _exit:near
|
pascal@19538
|
536 _exit:
|
pascal@19515
|
537 mov al,[_no_exit]
|
pascal@20527
|
538 or al,al
|
pascal@19515
|
539 jne @@hang
|
pascal@19515
|
540 extrn exit:near
|
pascal@19515
|
541 inc ax
|
pascal@19515
|
542 jmp near exit
|
pascal@19515
|
543 @@hang:
|
pascal@19515
|
544 mov bx, offset msg_hang
|
pascal@19515
|
545 call puts
|
pascal@20486
|
546 ; global _abort:near
|
pascal@19515
|
547 _abort:
|
pascal@19515
|
548 cli
|
pascal@19515
|
549 hlt
|
pascal@20778
|
550 jmp _abort
|
pascal@19515
|
551
|
pascal@20528
|
552 endp @die$qpxzc
|
pascal@19515
|
553
|
pascal@19546
|
554 struc image_himem ;struct image_himem {
|
pascal@19546
|
555 fd dw ? ; 0 int fd;
|
pascal@19546
|
556 fallback dd ? ; 2 u32 fallback;
|
pascal@19546
|
557 size dd ? ; 6 u32 size;
|
pascal@19546
|
558 remaining dd ? ;10 u32 remaining;
|
pascal@19546
|
559 buf dd ? ;14 u32 buf;
|
pascal@19546
|
560 bufv dw ? ;18 u32 *bufv;
|
pascal@19546
|
561 errmsg dw ? ;20 char *errmsg;
|
pascal@19546
|
562 chunk_size dd ? ;22 u32 chunk_size;
|
pascal@19546
|
563 next_chunk dw ? ;26 void (*next_chunk)(struct image_himem *);
|
pascal@19546
|
564 state dw ? ;28 u16 state;
|
pascal@19546
|
565 fd2close dw ? ;30 u16 fd2close;
|
pascal@19546
|
566 ends ;};
|
pascal@19515
|
567
|
pascal@19636
|
568 ;***************************************************************
|
pascal@20630
|
569 ;static long next_chunk(struct image_himem *di);
|
pascal@19636
|
570 ;***************************************************************
|
pascal@19636
|
571 proc next_chunk near
|
pascal@19636
|
572
|
pascal@19636
|
573 push si
|
pascal@20540
|
574 mov ax,[(image_himem di).fd]
|
pascal@19636
|
575 call close
|
pascal@19636
|
576 ifndef NO386
|
pascal@19636
|
577 xor eax,eax
|
pascal@19636
|
578 else
|
pascal@19636
|
579 xor ax,ax
|
pascal@20485
|
580 cwd
|
pascal@19636
|
581 endif
|
pascal@19636
|
582 mov [(image_himem di).fd],ax
|
pascal@19636
|
583 mov bx,[(image_himem di).state]
|
pascal@19636
|
584 cmp al,[bx] ; ""
|
pascal@19636
|
585 jz @@end
|
pascal@19636
|
586 mov si,bx
|
pascal@19636
|
587 @@scan:
|
pascal@19636
|
588 lodsb
|
pascal@19636
|
589 mov cx,si
|
pascal@19636
|
590 cmp al,','
|
pascal@19636
|
591 jz @@eos
|
pascal@20527
|
592 or al,al
|
pascal@19636
|
593 jnz @@scan
|
pascal@19636
|
594 dec cx
|
pascal@19636
|
595 @@eos:
|
pascal@19636
|
596 mov [(image_himem di).state],cx
|
pascal@19636
|
597 dec si
|
pascal@19636
|
598 push [word si]
|
pascal@20485
|
599 mov [byte si],ah ; set temp eos
|
pascal@19636
|
600 call open
|
pascal@19636
|
601 pop [word si] ; restore string
|
pascal@19636
|
602 jc @@die
|
pascal@19636
|
603 mov [(image_himem di).fd],ax
|
pascal@19636
|
604 mov [(image_himem di).fd2close],ax
|
pascal@20542
|
605 mov bl,02h ; SEEK_END
|
pascal@19636
|
606 call lseek0
|
pascal@19636
|
607 @@die:
|
pascal@19636
|
608 mov bx,[(image_himem di).errmsg]
|
pascal@19636
|
609 jc die
|
pascal@19636
|
610 ifndef NO386
|
pascal@19636
|
611 push eax
|
pascal@20548
|
612 mov ax,[(image_himem di).fd]
|
pascal@19636
|
613 call rewind
|
pascal@19636
|
614 pop eax
|
pascal@19636
|
615 @@end:
|
pascal@19636
|
616 mov [(image_himem di).chunk_size],eax
|
pascal@19636
|
617 else
|
pascal@19636
|
618 push ax
|
pascal@19636
|
619 push dx
|
pascal@20548
|
620 mov ax,[(image_himem di).fd]
|
pascal@19636
|
621 call rewind
|
pascal@19636
|
622 pop dx
|
pascal@19636
|
623 pop ax
|
pascal@19636
|
624 @@end:
|
pascal@19636
|
625 mov [word (image_himem di).chunk_size],ax
|
pascal@19636
|
626 mov [word ((image_himem di).chunk_size)+2],dx
|
pascal@19636
|
627 endif
|
pascal@19636
|
628 pop si
|
pascal@19636
|
629 ret
|
pascal@19636
|
630
|
pascal@19636
|
631 endp next_chunk
|
pascal@19636
|
632
|
pascal@19636
|
633
|
pascal@19571
|
634 ifdef LARGE_IMAGES
|
pascal@19571
|
635 struc data_himem ;struct data_himem {
|
pascal@19571
|
636 first dd ? ; 0 u32 first;
|
pascal@19571
|
637 cacheidx dw ? ; 4 int cacheidx;
|
pascal@19571
|
638 pageidx dw ? ; 6 int pageidx;
|
pascal@19571
|
639 cache dd 1024 dup(?) ; 8 int cache;
|
pascal@19571
|
640 page dd 1024 dup(?) ;4104 int page;
|
pascal@19571
|
641 ends ;}; // size=8200
|
pascal@19571
|
642 endif
|
pascal@19571
|
643
|
pascal@19515
|
644 ;***************************************************************
|
pascal@20630
|
645 ;_fastcall u32* malloc_bufv_or_die(bx:struct image_himem *m);
|
pascal@19538
|
646 ;***************************************************************
|
pascal@20528
|
647 global @malloc_bufv_or_die$qp11image_himem:near
|
pascal@20528
|
648 proc @malloc_bufv_or_die$qp11image_himem near
|
pascal@19538
|
649
|
pascal@19636
|
650 p386
|
pascal@19538
|
651 push si
|
pascal@20538
|
652 mov si,bx
|
pascal@19571
|
653 ifdef LARGE_IMAGES
|
pascal@20527
|
654 movzx ecx,[word ((image_himem si).size) + 2]
|
pascal@19571
|
655 shr cx,4 ; pages index size = size >> 20
|
pascal@19571
|
656 add cx,8+4096+8
|
pascal@19571
|
657 call malloc_or_die
|
pascal@20527
|
658 mov cx,4096+4095 ; cnt = 1+(m->size+PAGE_MASK)/PAGE_SIZE;
|
pascal@19571
|
659 add ecx,[(image_himem si).size]
|
pascal@19571
|
660 shr ecx,12
|
pascal@19571
|
661 mov [curdata],ax
|
pascal@19571
|
662 else
|
pascal@19546
|
663 mov ecx,[(image_himem si).size]
|
pascal@19538
|
664 dec ecx
|
pascal@19538
|
665 shr ecx,12
|
pascal@19538
|
666 inc cx ; cnt = (m->size+PAGE_MASK)/PAGE_SIZE;
|
pascal@19538
|
667 push cx
|
pascal@19538
|
668 inc cx ; cnt+1
|
pascal@19538
|
669 shl cx,2 ; bufv => vcpi => vm86
|
pascal@19538
|
670 ; our malloc zeroes allocated mem: bufv[cnt]=0;
|
pascal@19538
|
671 ; Allocate pages, storing addrs in addrbuf
|
pascal@19538
|
672 call malloc_or_die
|
pascal@19571
|
673 pop cx
|
pascal@19571
|
674 push ax
|
pascal@19571
|
675 endif
|
pascal@19546
|
676 mov [(image_himem si).bufv],ax
|
pascal@19571
|
677 xchg ax,si
|
pascal@19538
|
678 @@vcpi_alloc:
|
pascal@19538
|
679 xor edx,edx
|
pascal@19538
|
680 mov ax,0DE04h
|
pascal@19538
|
681 int 67h
|
pascal@19538
|
682 or ah,ah
|
pascal@19538
|
683 mov bx,offset vcpi_alloc_err
|
pascal@19571
|
684 jnz die
|
pascal@19571
|
685 ; for (i = cnt-1; i >= 0; i--)
|
pascal@19571
|
686 ifdef LARGE_IMAGES
|
pascal@19571
|
687 mov eax,ecx
|
pascal@19571
|
688 dec eax
|
pascal@19571
|
689 else
|
pascal@19571
|
690 mov ax,cx
|
pascal@19571
|
691 dec ax
|
pascal@19571
|
692 cwde
|
pascal@19571
|
693 endif
|
pascal@19571
|
694 shl eax,12 ; i*_4k
|
pascal@19571
|
695 ; if (edx < pm.fallback+i*_4k && edx >= pm.fallback) again
|
pascal@19899
|
696 extrn _imgs
|
pascal@19899
|
697 mov bx,offset _imgs+2
|
pascal@19571
|
698 push eax
|
pascal@19571
|
699 add eax,[bx-2+2]
|
pascal@19571
|
700 cmp eax,edx ; pm.fallback+i*_4k <= edx ?
|
pascal@19571
|
701 pop eax ; i*_4k
|
pascal@19571
|
702 jbe @@pmok
|
pascal@19571
|
703 cmp edx,[bx-2+2] ; edx >= pm.fallback ?
|
pascal@19571
|
704 jae @@vcpi_alloc
|
pascal@19571
|
705 @@pmok:
|
pascal@19571
|
706 ; if (edx >= initrd.fallback+i*_4k && edx < initrd.fallback+initrd.size) again
|
pascal@19899
|
707 extrn _imgs
|
pascal@19899
|
708 mov bx,offset _imgs+32+2
|
pascal@19571
|
709 add eax,[bx-2+2] ; +initrd.fallback
|
pascal@19571
|
710 cmp eax,edx ; initrd.fallback+i*_4k > edx ?
|
pascal@19571
|
711 ja @@initrdok
|
pascal@19571
|
712 mov eax,[bx-2+6] ; initrd.size
|
pascal@19571
|
713 add eax,[bx-2+2] ; +initrd.fallback
|
pascal@19571
|
714 cmp eax,edx ; initrd.fallback+initrd.size > edx ?
|
pascal@19571
|
715 @@jnc_vcpi_alloc:
|
pascal@19571
|
716 ja @@vcpi_alloc
|
pascal@19571
|
717 @@initrdok:
|
pascal@19571
|
718 ifdef LARGE_IMAGES
|
pascal@19571
|
719 cmp [(data_himem si).first],0
|
pascal@19571
|
720 jne @@notfirst
|
pascal@19571
|
721 mov [(data_himem si).first],edx
|
pascal@19571
|
722 @@notfirst:
|
pascal@19571
|
723 mov bx,[(data_himem si).cacheidx]
|
pascal@19571
|
724 cmp bh,4
|
pascal@19571
|
725 jae @@nextpage
|
pascal@19571
|
726 shl bx,2
|
pascal@19571
|
727 inc [(data_himem si).cacheidx]
|
pascal@19571
|
728 mov [(data_himem bx+si).cache],edx
|
pascal@19571
|
729 loopd @@vcpi_alloc
|
pascal@19571
|
730 mov [(data_himem bx+si).cache],ecx ; last is 0
|
pascal@19571
|
731 @@nextpage:
|
pascal@19571
|
732 and [(data_himem si).cacheidx],0
|
pascal@19571
|
733 mov bx,[(data_himem si).pageidx]
|
pascal@19571
|
734 mov [(data_himem bx+si).page],edx
|
pascal@19571
|
735 add [(data_himem si).pageidx],4
|
pascal@19571
|
736 push cx
|
pascal@19571
|
737 lea cx,[(data_himem si).cache]
|
pascal@19571
|
738 ifdef NO386
|
pascal@19571
|
739 push edx
|
pascal@19571
|
740 pop dx
|
pascal@19571
|
741 pop ax
|
pascal@19571
|
742 endif
|
pascal@19571
|
743 call storepage ; storepage(edx,cx)
|
pascal@19571
|
744 pop cx
|
pascal@19571
|
745 or ecx,ecx ; clear C
|
pascal@19571
|
746 jnz @@jnc_vcpi_alloc
|
pascal@19571
|
747 mov [dword (data_himem si).cacheidx],ecx
|
pascal@19571
|
748 xchg ax,si
|
pascal@19571
|
749 else
|
pascal@19571
|
750 mov [si],edx
|
pascal@19571
|
751 lodsd ; si=+4
|
pascal@19538
|
752 loop @@vcpi_alloc
|
pascal@19538
|
753 pop ax
|
pascal@19571
|
754 endif
|
pascal@19538
|
755 pop si
|
pascal@19538
|
756 ret
|
pascal@19636
|
757 ifdef NO386
|
pascal@19636
|
758 p8086
|
pascal@19636
|
759 endif
|
pascal@19538
|
760
|
pascal@20528
|
761 endp @malloc_bufv_or_die$qp11image_himem
|
pascal@19538
|
762
|
pascal@19538
|
763
|
pascal@19538
|
764 ;***************************************************************
|
pascal@20630
|
765 ;_fastcall void memcpy_image(bx:struct image_himem *m);
|
pascal@19515
|
766 ;***************************************************************
|
pascal@20528
|
767 global @memcpy_image$qp11image_himem:near
|
pascal@20528
|
768 proc @memcpy_image$qp11image_himem near
|
pascal@19515
|
769
|
pascal@19571
|
770 ifndef NO386
|
pascal@19571
|
771 mov edx,[(image_himem bx).fallback]
|
pascal@19571
|
772 mov eax,[(image_himem bx).buf]
|
pascal@19571
|
773 cmp eax,edx ; if (m->fallback != m->buf)
|
pascal@19571
|
774 jz @@skip ; memcpy32(m->fallback,0,m->buf,m->size)
|
pascal@19571
|
775 ifdef LARGE_IMAGES
|
pascal@19571
|
776 mov ecx,[(image_himem bx).size]
|
pascal@20146
|
777 memcpy_imagez: ; memcpy_imagez(edx,eax,ecx)
|
pascal@19571
|
778 push ecx
|
pascal@19571
|
779 else
|
pascal@19571
|
780 push [(image_himem bx).size]
|
pascal@19571
|
781 endif
|
pascal@19571
|
782 push eax
|
pascal@19571
|
783 push 0
|
pascal@19571
|
784 call_memcpy32:
|
pascal@19571
|
785 push edx
|
pascal@19571
|
786 else
|
pascal@19571
|
787 mov ax,[word ((image_himem bx).fallback)]
|
pascal@19571
|
788 mov dx,[word ((image_himem bx).fallback)+2]
|
pascal@19571
|
789 mov cx,[word ((image_himem bx).buf)]
|
pascal@19571
|
790 cmp ax,cx ; if (m->fallback != m->buf)
|
pascal@19571
|
791 jnz @@do
|
pascal@19571
|
792 cmp dx,[word ((image_himem bx).buf)+2]
|
pascal@19571
|
793 jz @@skip ; memcpy32(m->fallback,0,m->buf,m->size)
|
pascal@19571
|
794 @@do:
|
pascal@19571
|
795 push [word ((image_himem bx).size)+2]
|
pascal@19571
|
796 push [word ((image_himem bx).size)]
|
pascal@19571
|
797 push [word ((image_himem bx).buf)+2]
|
pascal@19571
|
798 push cx
|
pascal@19571
|
799 xor cx,cx
|
pascal@19571
|
800 push cx
|
pascal@19571
|
801 call_memcpy32:
|
pascal@19571
|
802 push dx
|
pascal@19571
|
803 push ax
|
pascal@19571
|
804 ifdef LARGE_IMAGES
|
pascal@19571
|
805 jmp @@memcpy
|
pascal@20146
|
806 memcpy_imagez: ; memcpy_imagez(edx,eax,ecx)
|
pascal@19636
|
807 p386
|
pascal@19571
|
808 push ecx
|
pascal@19571
|
809 push eax
|
pascal@19571
|
810 push 0
|
pascal@19571
|
811 push edx
|
pascal@19636
|
812 ifdef NO386
|
pascal@19636
|
813 p8086
|
pascal@19636
|
814 endif
|
pascal@19571
|
815 endif
|
pascal@19571
|
816 endif
|
pascal@19571
|
817 @@memcpy:
|
pascal@20528
|
818 extrn memcpy32:near
|
pascal@20528
|
819 call near memcpy32
|
pascal@19571
|
820 @@skip:
|
pascal@19571
|
821 ret
|
pascal@19571
|
822
|
pascal@20528
|
823 endp @memcpy_image$qp11image_himem
|
pascal@19571
|
824
|
pascal@19571
|
825 ;***************************************************************
|
pascal@20630
|
826 ;_fastcall void storepage(bx:u32 *dst);
|
pascal@19571
|
827 ;***************************************************************
|
pascal@20538
|
828 global @storepage$qpul:near
|
pascal@20538
|
829 proc @storepage$qpul near
|
pascal@19571
|
830
|
pascal@19571
|
831 ifndef NO386
|
pascal@19571
|
832 mov edx,[bx]
|
pascal@19571
|
833 else
|
pascal@19571
|
834 mov ax,[bx]
|
pascal@19571
|
835 mov dx,[bx+2]
|
pascal@19571
|
836 endif
|
pascal@20538
|
837 mov cx,offset _xfer_buf
|
pascal@20146
|
838 storepage: ; storepage(edx,cx)
|
pascal@19571
|
839 ifndef NO386
|
pascal@19571
|
840 push 0
|
pascal@19571
|
841 push 4096
|
pascal@19571
|
842 push 0
|
pascal@19571
|
843 else
|
pascal@19571
|
844 xor bx,bx
|
pascal@19571
|
845 push bx
|
pascal@19571
|
846 mov bh,4096/256
|
pascal@19571
|
847 push bx
|
pascal@19571
|
848 xor bx,bx
|
pascal@19571
|
849 push bx
|
pascal@19571
|
850 endif
|
pascal@19571
|
851 push cx
|
pascal@19571
|
852 push ds
|
pascal@19571
|
853 jmp call_memcpy32
|
pascal@19571
|
854
|
pascal@20538
|
855 endp @storepage$qpul
|
pascal@19571
|
856
|
pascal@19571
|
857
|
pascal@19571
|
858 ifdef LARGE_IMAGES
|
pascal@19636
|
859 p386
|
pascal@19571
|
860 ;***************************************************************
|
pascal@20630
|
861 ;_fastcall void reset_bufv(bx:u32 *p);
|
pascal@19571
|
862 ;***************************************************************
|
pascal@20528
|
863 global @reset_bufv$qpul:near
|
pascal@20528
|
864 proc @reset_bufv$qpul near
|
pascal@19571
|
865
|
pascal@20524
|
866 mov [curdata],bx
|
pascal@19571
|
867 and [dword (data_himem bx).cacheidx],0
|
pascal@19571
|
868 ret
|
pascal@19571
|
869
|
pascal@20528
|
870 endp @reset_bufv$qpul
|
pascal@19571
|
871
|
pascal@19571
|
872 ;***************************************************************
|
pascal@19571
|
873 ;u32* prev_bufv();
|
pascal@19571
|
874 ;u32* prev_bufv();
|
pascal@19571
|
875 ;***************************************************************
|
pascal@19571
|
876 global _prev_bufv:near
|
pascal@19571
|
877 global _next_bufv:near
|
pascal@19571
|
878 proc _prev_bufv near
|
pascal@19571
|
879
|
pascal@19571
|
880 stc
|
pascal@19571
|
881 db 73h ; jnc
|
pascal@19571
|
882 _next_bufv:
|
pascal@19571
|
883 clc
|
pascal@20528
|
884 push si
|
pascal@20528
|
885 mov si,[curdata]
|
pascal@19571
|
886 sbb ax,ax
|
pascal@20527
|
887 cmc
|
pascal@20527
|
888 adc ax,[(data_himem si).cacheidx] ; -1/+1
|
pascal@19571
|
889 xor ecx,ecx
|
pascal@19571
|
890 test ax,0fc00h
|
pascal@19571
|
891 jz @@gotpage
|
pascal@19571
|
892 push ax ; FFFF / 0400
|
pascal@19571
|
893 sar ax,8 ; FFFC / 0004
|
pascal@19571
|
894 and al,0fch
|
pascal@19571
|
895 add [(data_himem si).pageidx],ax
|
pascal@19571
|
896 mov bx,[(data_himem si).pageidx]
|
pascal@19571
|
897 lea bx,[(data_himem bx+si).page]
|
pascal@19571
|
898 mov edx,ds
|
pascal@19571
|
899 shl edx,4
|
pascal@19571
|
900 lea cx,[(data_himem si).cache]
|
pascal@19571
|
901 add edx,ecx
|
pascal@19571
|
902 mov eax,[bx]
|
pascal@19571
|
903 or eax,eax
|
pascal@19571
|
904 jnz @@pageok
|
pascal@19571
|
905 pop ax
|
pascal@19571
|
906 xchg ax,bx
|
pascal@19571
|
907 pop si
|
pascal@19571
|
908 ret
|
pascal@19571
|
909 @@pageok:
|
pascal@19571
|
910 mov cx,4096
|
pascal@19571
|
911 call memcpy_imagez ; get page
|
pascal@19571
|
912 pop ax ; FFFF / 0400
|
pascal@19571
|
913 cbw
|
pascal@19571
|
914 shr ax,6 ; 03FF / 0000
|
pascal@19571
|
915 @@gotpage:
|
pascal@19571
|
916 mov [(data_himem si).cacheidx],ax
|
pascal@19571
|
917 shl ax,2
|
pascal@19571
|
918 xchg ax,bx
|
pascal@19571
|
919 lea ax,[(data_himem bx+si).cache]
|
pascal@19571
|
920 or bx,[(data_himem si).pageidx] ; !pageidx && !cacheidx
|
pascal@19571
|
921 jnz @@notfirst2
|
pascal@19571
|
922 xchg ax,si ; &first
|
pascal@19571
|
923 @@notfirst2:
|
pascal@19571
|
924 pop si
|
pascal@19571
|
925 ret
|
pascal@19571
|
926
|
pascal@19571
|
927 endp _prev_bufv
|
pascal@19571
|
928 endif
|
pascal@19571
|
929
|
pascal@20146
|
930 ifdef NO386
|
pascal@20146
|
931 p8086
|
pascal@20146
|
932 endif
|
pascal@19571
|
933
|
pascal@19571
|
934 ;***************************************************************
|
pascal@20630
|
935 ;_fastcall void open_image(bx:const char *name, ax:struct image_himem *m);
|
pascal@19515
|
936 ;***************************************************************
|
pascal@20528
|
937 global @open_image$qpxzcp11image_himem:near
|
pascal@20528
|
938 proc @open_image$qpxzcp11image_himem near
|
pascal@19515
|
939
|
pascal@20484
|
940 push di
|
pascal@20485
|
941 xchg ax,di
|
pascal@20538
|
942 ifdef EXTRA
|
pascal@20538
|
943 cmp [(image_himem di).fd],0 ; iso image/kernel ?
|
pascal@20538
|
944 jnz @@alreadydone
|
pascal@20538
|
945 endif
|
pascal@20484
|
946 mov [(image_himem di).state],bx
|
pascal@20484
|
947 push bx
|
pascal@20534
|
948 ifdef EXTRA
|
pascal@20538
|
949 cmp [(image_himem di).next_chunk],0 ; iso image/initrd ?
|
pascal@20538
|
950 jnz @@next
|
pascal@20534
|
951 mov [(image_himem di).next_chunk],offset next_chunk
|
pascal@19515
|
952 @@next:
|
pascal@19546
|
953 call [(image_himem di).next_chunk] ; m->next_chunk()
|
pascal@20778
|
954 else
|
pascal@20778
|
955 @@next:
|
pascal@20778
|
956 call next_chunk
|
pascal@20778
|
957 endif
|
pascal@19515
|
958 ifndef NO386
|
pascal@19515
|
959 add eax,3
|
pascal@19515
|
960 and al,0FCh
|
pascal@19546
|
961 add [(image_himem di).size],eax ; m->size += m->chunk_size
|
pascal@19515
|
962 or eax,eax
|
pascal@19515
|
963 else
|
pascal@19515
|
964 add ax,3
|
pascal@19515
|
965 adc dx,0
|
pascal@19515
|
966 and al,0FCh
|
pascal@19546
|
967 add [word (image_himem di).size],ax ; m->size += m->chunk_size
|
pascal@19546
|
968 adc [word ((image_himem di).size)+2],dx
|
pascal@20520
|
969 or ax,dx
|
pascal@19515
|
970 endif
|
pascal@20520
|
971 jnz @@next
|
pascal@20484
|
972 pop [(image_himem di).state]
|
pascal@20778
|
973 ifdef EXTRA
|
pascal@19546
|
974 call [(image_himem di).next_chunk] ; m->next_chunk()
|
pascal@20778
|
975 else
|
pascal@20778
|
976 call next_chunk
|
pascal@20778
|
977 endif
|
pascal@20538
|
978 @@alreadydone:
|
pascal@20484
|
979 pop di
|
pascal@19515
|
980 ret
|
pascal@19515
|
981
|
pascal@20528
|
982 endp @open_image$qpxzcp11image_himem
|
pascal@19515
|
983
|
pascal@19515
|
984
|
pascal@19515
|
985 ;***************************************************************
|
pascal@20630
|
986 ;_fastcall int read_image(bx:struct image_himem *m);
|
pascal@19515
|
987 ;***************************************************************
|
pascal@20538
|
988 global @read_image$qp11image_himem:near
|
pascal@20538
|
989 proc @read_image$qp11image_himem near
|
pascal@19515
|
990
|
pascal@20539
|
991 push si di
|
pascal@20538
|
992 mov di,bx
|
pascal@20539
|
993 mov si,4096
|
pascal@20539
|
994 push si ; original size
|
pascal@19515
|
995 @@loop:
|
pascal@19538
|
996 ifndef NO386
|
pascal@20539
|
997 movzx ecx,si
|
pascal@19546
|
998 mov eax,[(image_himem di).chunk_size]
|
pascal@19538
|
999 cmp ecx,eax
|
pascal@19538
|
1000 jb @@szok
|
pascal@19538
|
1001 else
|
pascal@20539
|
1002 mov cx,si
|
pascal@19546
|
1003 mov ax,[word (image_himem di).chunk_size]
|
pascal@19538
|
1004 cmp cx,ax
|
pascal@19515
|
1005 jb @@szok
|
pascal@19546
|
1006 cmp [word ((image_himem di).chunk_size)+2],0 ; hi m->chunk_size
|
pascal@19515
|
1007 jne @@szok
|
pascal@20484
|
1008 endif
|
pascal@19515
|
1009 xchg ax,cx
|
pascal@19515
|
1010 @@szok:
|
pascal@19538
|
1011 jcxz image_done
|
pascal@20778
|
1012 mov dx,offset _xfer_buf+4096
|
pascal@20778
|
1013 sub dx,si
|
pascal@20538
|
1014 mov bx,[di]
|
pascal@20528
|
1015 call @read$cxdxbx
|
pascal@19538
|
1016 jc image_done
|
pascal@19515
|
1017 xor cx,cx
|
pascal@20539
|
1018 cwd ; ax < 8000h
|
pascal@19538
|
1019 ifndef NO386
|
pascal@19538
|
1020 cwde ; ax < 8000h
|
pascal@19546
|
1021 sub [(image_himem di).chunk_size],eax
|
pascal@20541
|
1022 xchg eax,ebx
|
pascal@19538
|
1023 else
|
pascal@19546
|
1024 sub [word (image_himem di).chunk_size],ax
|
pascal@20539
|
1025 xchg ax,bx
|
pascal@19546
|
1026 sbb [word ((image_himem di).chunk_size)+2],dx
|
pascal@19538
|
1027 jnz @@fill
|
pascal@19546
|
1028 cmp [word (image_himem di).chunk_size],dx
|
pascal@19538
|
1029 endif
|
pascal@19538
|
1030 jnz @@fill
|
pascal@20539
|
1031 dec cx
|
pascal@19515
|
1032 @@fill:
|
pascal@20539
|
1033 test bl,3
|
pascal@19515
|
1034 je @@filled
|
pascal@20539
|
1035 mov [bx+_xfer_buf],dh
|
pascal@20539
|
1036 inc bx
|
pascal@19515
|
1037 jmp @@fill
|
pascal@19515
|
1038 @@filled:
|
pascal@19538
|
1039 ifndef NO386
|
pascal@20541
|
1040 sub [(image_himem di).remaining],ebx
|
pascal@19538
|
1041 else
|
pascal@20539
|
1042 sub [word (image_himem di).remaining],bx
|
pascal@19546
|
1043 sbb [word ((image_himem di).remaining)+2],dx
|
pascal@19538
|
1044 endif
|
pascal@20541
|
1045 sub si,bx
|
pascal@19538
|
1046 pushf
|
pascal@20778
|
1047 ifdef EXTRA
|
pascal@20539
|
1048 and cx,[(image_himem di).next_chunk]
|
pascal@20484
|
1049 jcxz @@same_chunk
|
pascal@20778
|
1050 push di
|
pascal@20539
|
1051 call cx
|
pascal@20778
|
1052 pop cx
|
pascal@20778
|
1053 else
|
pascal@20778
|
1054 jcxz @@same_chunk
|
pascal@20778
|
1055 call next_chunk
|
pascal@20778
|
1056 endif
|
pascal@19538
|
1057 @@same_chunk:
|
pascal@19538
|
1058 popf
|
pascal@19538
|
1059 jnz @@loop
|
pascal@20484
|
1060 image_done:
|
pascal@20528
|
1061 pop ax ; original size
|
pascal@20539
|
1062 sub ax,si
|
pascal@20539
|
1063 pop di si
|
pascal@20538
|
1064 ret
|
pascal@19515
|
1065
|
pascal@20538
|
1066 endp @read_image$qp11image_himem
|
pascal@19515
|
1067
|
pascal@19515
|
1068
|
pascal@19515
|
1069 ;***************************************************************
|
pascal@21569
|
1070 ;_fastcall unsigned long strtol(const char *s);
|
pascal@19515
|
1071 ;***************************************************************
|
pascal@20528
|
1072 global @strtol$qpxzc:near
|
pascal@20528
|
1073 proc @strtol$qpxzc near
|
pascal@19515
|
1074
|
pascal@20528
|
1075 ifndef NO386
|
pascal@19515
|
1076 push si
|
pascal@21569
|
1077 mov si,bx
|
pascal@19515
|
1078 xor ecx,ecx
|
pascal@19515
|
1079 xor eax,eax
|
pascal@21569
|
1080 xor ebx,ebx
|
pascal@21569
|
1081 or si,si
|
pascal@21569
|
1082 jz @@end
|
pascal@19515
|
1083 lodsb
|
pascal@19634
|
1084 mov dx,ax
|
pascal@19634
|
1085 or al,20h
|
pascal@19634
|
1086 cmp al,'n' ; vga=normal
|
pascal@19538
|
1087 je @@vga
|
pascal@19538
|
1088 dec cx
|
pascal@19634
|
1089 cmp al,'e' ; vga=extended
|
pascal@19538
|
1090 je @@vga
|
pascal@19538
|
1091 dec cx
|
pascal@19634
|
1092 cmp al,'a' ; vga=ask
|
pascal@19538
|
1093 jne @@notvga
|
pascal@19538
|
1094 @@vga:
|
pascal@19538
|
1095 dec cx
|
pascal@19538
|
1096 xchg ax,cx
|
pascal@19538
|
1097 cwd
|
pascal@19634
|
1098 jmp @@popsiret
|
pascal@19538
|
1099 @@notvga:
|
pascal@19538
|
1100 mov cx,10 ; radix
|
pascal@19634
|
1101 xchg ax,dx
|
pascal@19515
|
1102 cmp al,'+'
|
pascal@19515
|
1103 je @@radixskip
|
pascal@19515
|
1104 cmp al,'-'
|
pascal@19515
|
1105 clc
|
pascal@19515
|
1106 jne @@radixkeep
|
pascal@19515
|
1107 stc
|
pascal@19515
|
1108 @@radixskip:
|
pascal@19515
|
1109 lodsb
|
pascal@19515
|
1110 @@radixkeep:
|
pascal@19515
|
1111 pushf
|
pascal@19515
|
1112 cmp al,'0'
|
pascal@19515
|
1113 jne @@radixok
|
pascal@19515
|
1114 mov cl,8
|
pascal@19515
|
1115 lodsb
|
pascal@19634
|
1116 or al,20h
|
pascal@19634
|
1117 cmp al,'x'
|
pascal@19515
|
1118 jne @@radixok
|
pascal@19515
|
1119 mov cl,16
|
pascal@19515
|
1120 @@strtollp:
|
pascal@19515
|
1121 lodsb
|
pascal@19515
|
1122 @@radixok:
|
pascal@19634
|
1123 or al,20h
|
pascal@19515
|
1124 sub al,'0'
|
pascal@19515
|
1125 jb @@endstrtol
|
pascal@19515
|
1126 cmp al,9
|
pascal@19515
|
1127 jbe @@digitok
|
pascal@19515
|
1128 cmp al,'a'-'0'
|
pascal@19515
|
1129 jb @@endstrtol
|
pascal@19515
|
1130 sub al,'a'-'0'-10
|
pascal@19515
|
1131 @@digitok:
|
pascal@19515
|
1132 cmp al,cl
|
pascal@19515
|
1133 jae @@endstrtol
|
pascal@19515
|
1134 xchg eax,ebx
|
pascal@19515
|
1135 mul ecx
|
pascal@19515
|
1136 add eax,ebx
|
pascal@19515
|
1137 xchg eax,ebx
|
pascal@19515
|
1138 jmp @@strtollp
|
pascal@19515
|
1139 @@endstrtol:
|
pascal@19515
|
1140 mov cl,10
|
pascal@19515
|
1141 cmp al,'k'-'a'+10
|
pascal@19515
|
1142 je @@shift
|
pascal@19515
|
1143 mov cl,20
|
pascal@19515
|
1144 cmp al,'m'-'a'+10
|
pascal@19515
|
1145 je @@shift
|
pascal@19515
|
1146 mov cl,30
|
pascal@19515
|
1147 cmp al,'g'-'a'+10
|
pascal@19515
|
1148 jne @@noshift
|
pascal@19515
|
1149 @@shift:
|
pascal@19515
|
1150 shl ebx,cl
|
pascal@19515
|
1151 @@noshift:
|
pascal@19515
|
1152 popf
|
pascal@19515
|
1153 jnc @@end
|
pascal@19515
|
1154 neg ebx
|
pascal@19515
|
1155 @@end:
|
pascal@19515
|
1156 push ebx
|
pascal@19515
|
1157 pop ax
|
pascal@19515
|
1158 pop dx
|
pascal@19634
|
1159 @@popsiret:
|
pascal@19515
|
1160 pop si
|
pascal@19515
|
1161 else
|
pascal@19515
|
1162 push si
|
pascal@19515
|
1163 push di
|
pascal@19515
|
1164 xor ax,ax
|
pascal@19515
|
1165 cwd
|
pascal@21569
|
1166 or bx,bx
|
pascal@21569
|
1167 jz @@goend
|
pascal@19515
|
1168 xchg ax,di
|
pascal@21569
|
1169 mov si,bx
|
pascal@19538
|
1170 lodsb
|
pascal@19634
|
1171 mov bx,ax
|
pascal@19634
|
1172 or al,20h
|
pascal@19538
|
1173 mov cx,-1
|
pascal@19634
|
1174 cmp al,'n' ; vga=normal
|
pascal@19538
|
1175 je @@vga
|
pascal@19538
|
1176 dec cx
|
pascal@19634
|
1177 cmp al,'e' ; vga=extended
|
pascal@19538
|
1178 je @@vga
|
pascal@19538
|
1179 dec cx
|
pascal@19634
|
1180 cmp al,'a' ; vga=ask
|
pascal@19538
|
1181 jne @@notvga
|
pascal@19538
|
1182 @@vga:
|
pascal@19538
|
1183 xchg ax,cx
|
pascal@19538
|
1184 @@goend:
|
pascal@19634
|
1185 jmp @@popdisiret
|
pascal@19538
|
1186 @@notvga:
|
pascal@19515
|
1187 mov cx,10 ; radix
|
pascal@19634
|
1188 xchg ax,bx
|
pascal@19515
|
1189 cmp al,'+'
|
pascal@19515
|
1190 je @@radixskip
|
pascal@19515
|
1191 cmp al,'-'
|
pascal@19515
|
1192 clc
|
pascal@19515
|
1193 jne @@radixkeep
|
pascal@19515
|
1194 stc
|
pascal@19515
|
1195 @@radixskip:
|
pascal@19515
|
1196 lodsb
|
pascal@19515
|
1197 @@radixkeep:
|
pascal@19515
|
1198 pushf
|
pascal@19515
|
1199 cmp al,'0'
|
pascal@19515
|
1200 jne @@radixok
|
pascal@19515
|
1201 mov cl,8
|
pascal@19515
|
1202 lodsb
|
pascal@20146
|
1203 or al,20h
|
pascal@19634
|
1204 cmp al,'x'
|
pascal@19515
|
1205 jne @@radixok
|
pascal@19515
|
1206 mov cl,16
|
pascal@19515
|
1207 @@strtollp:
|
pascal@19515
|
1208 lodsb
|
pascal@19515
|
1209 @@radixok:
|
pascal@19634
|
1210 or al,20h
|
pascal@19515
|
1211 sub al,'0'
|
pascal@19515
|
1212 jb @@endstrtol
|
pascal@19515
|
1213 cmp al,9
|
pascal@19515
|
1214 jbe @@digitok
|
pascal@19515
|
1215 cmp al,'a'-'0'
|
pascal@19515
|
1216 jb @@endstrtol
|
pascal@19515
|
1217 sub al,'a'-'0'-10
|
pascal@19515
|
1218 @@digitok:
|
pascal@19515
|
1219 cmp al,cl
|
pascal@19515
|
1220 jae @@endstrtol
|
pascal@19515
|
1221
|
pascal@19515
|
1222 push ax
|
pascal@19515
|
1223 push si
|
pascal@19515
|
1224 push dx
|
pascal@19515
|
1225 xchg ax,di
|
pascal@19515
|
1226 mul cx
|
pascal@19515
|
1227 xchg ax,di
|
pascal@19515
|
1228 xchg ax,dx
|
pascal@19515
|
1229 xchg ax,si
|
pascal@19515
|
1230 pop ax
|
pascal@19515
|
1231 mul cx
|
pascal@19515
|
1232 add ax,si
|
pascal@19515
|
1233 pop si
|
pascal@19515
|
1234 xchg ax,dx
|
pascal@19515
|
1235 pop ax
|
pascal@19515
|
1236 mov ah,0
|
pascal@19515
|
1237 add di,ax
|
pascal@19515
|
1238 adc dx,0
|
pascal@19515
|
1239
|
pascal@19515
|
1240 jmp @@strtollp
|
pascal@19515
|
1241 @@endstrtol:
|
pascal@19515
|
1242 mov cl,10
|
pascal@19515
|
1243 cmp al,'k'-'a'+10
|
pascal@19515
|
1244 je @@shift
|
pascal@19515
|
1245 mov cl,20
|
pascal@19515
|
1246 cmp al,'m'-'a'+10
|
pascal@19515
|
1247 je @@shift
|
pascal@19515
|
1248 mov cl,30
|
pascal@19515
|
1249 cmp al,'g'-'a'+10
|
pascal@19515
|
1250 jne @@noshift
|
pascal@19515
|
1251 @@shift:
|
pascal@19515
|
1252 rcl di,1
|
pascal@19515
|
1253 shl dx,1
|
pascal@19515
|
1254 loop @@shift
|
pascal@19515
|
1255 @@noshift:
|
pascal@19515
|
1256 popf
|
pascal@19515
|
1257 jnc @@end
|
pascal@19515
|
1258 not dx
|
pascal@19515
|
1259 neg di
|
pascal@19515
|
1260 jne @@end
|
pascal@19515
|
1261 inc dx
|
pascal@19515
|
1262 @@end:
|
pascal@19515
|
1263 xchg ax,di
|
pascal@19634
|
1264 @@popdisiret:
|
pascal@19515
|
1265 pop di
|
pascal@19515
|
1266 pop si
|
pascal@19515
|
1267 endif
|
pascal@20528
|
1268 strtol_ret:
|
pascal@19515
|
1269 ret
|
pascal@19515
|
1270
|
pascal@20528
|
1271 endp @strtol$qpxzc
|
pascal@19515
|
1272
|
pascal@19515
|
1273
|
pascal@20751
|
1274 ifdef USE_ARGSTR
|
pascal@20751
|
1275 ;***************************************************************
|
pascal@20751
|
1276 ;_fastcall void set_cmdline(bx:const char *filename);
|
pascal@20751
|
1277 ;***************************************************************
|
pascal@20751
|
1278 global @set_cmdline$qpxzc:near
|
pascal@20751
|
1279 proc @set_cmdline$qpxzc near
|
pascal@20751
|
1280 call openargs
|
pascal@20751
|
1281 jc strtol_ret
|
pascal@20751
|
1282 mov cx,4096
|
pascal@20751
|
1283 mov di,[_heap_top]
|
pascal@20751
|
1284 extrn read_cmdline:near
|
pascal@20751
|
1285 jmp near read_cmdline ; read_cmdline(ax,di,cx)
|
pascal@20751
|
1286
|
pascal@20751
|
1287 endp @set_cmdline$qpxzc
|
pascal@20751
|
1288 endif
|
pascal@20751
|
1289
|
pascal@20751
|
1290
|
pascal@19515
|
1291 ifdef NO386
|
pascal@19515
|
1292 ;***************************************************************
|
pascal@19515
|
1293 ;u16 topseg();
|
pascal@19515
|
1294 ;***************************************************************
|
pascal@19515
|
1295 global _topseg:near
|
pascal@19515
|
1296 proc _topseg near
|
pascal@19515
|
1297
|
pascal@19515
|
1298 int 12h
|
pascal@19515
|
1299 jnc @@max640k
|
pascal@19515
|
1300 mov ax,640 ; 9000
|
pascal@19515
|
1301 @@max640k:
|
pascal@19634
|
1302 dec ax
|
pascal@19515
|
1303 and al,0C0h
|
pascal@19515
|
1304 mov cl,6
|
pascal@19515
|
1305 shl ax,cl
|
pascal@19515
|
1306 ret
|
pascal@19515
|
1307
|
pascal@19515
|
1308 endp _topseg
|
pascal@19515
|
1309 endif
|
pascal@19515
|
1310
|
pascal@19825
|
1311 ifdef EXTRA
|
pascal@19825
|
1312 p8086
|
pascal@19825
|
1313 ;***************************************************************
|
pascal@19825
|
1314 ;char *progname(void)
|
pascal@19825
|
1315 ;***************************************************************
|
pascal@19825
|
1316 global _progname:near
|
pascal@19825
|
1317 proc _progname near
|
pascal@19825
|
1318
|
pascal@19825
|
1319 push si di es
|
pascal@19825
|
1320 mov ah,30h
|
pascal@19825
|
1321 int 21h
|
pascal@19875
|
1322 xor di,di
|
pascal@19825
|
1323 cmp al,3
|
pascal@19874
|
1324 mov ax,di
|
pascal@19825
|
1325 jb @@skip
|
pascal@19873
|
1326 ;mov es,[cs:2Ch]
|
pascal@19874
|
1327 mov es,[di+2Ch]
|
pascal@20146
|
1328 mov cx,sp ; big enough
|
pascal@19870
|
1329 @@loop:
|
pascal@19825
|
1330 repne
|
pascal@19825
|
1331 scasb
|
pascal@19825
|
1332 scasb
|
pascal@19870
|
1333 jne @@loop
|
pascal@19870
|
1334 inc di
|
pascal@19870
|
1335 inc di
|
pascal@19870
|
1336 mov si,di ; progname @es:di
|
pascal@19870
|
1337 repne
|
pascal@19870
|
1338 scasb
|
pascal@19870
|
1339 mov cx,di
|
pascal@19874
|
1340 sub cx,si ; progname len
|
pascal@19870
|
1341 call malloc_or_die ; keep cx
|
pascal@19870
|
1342 mov di,ax
|
pascal@19825
|
1343 push ds
|
pascal@19825
|
1344 push es
|
pascal@19825
|
1345 pop ds
|
pascal@19825
|
1346 pop es
|
pascal@19870
|
1347 rep
|
pascal@19870
|
1348 movsb
|
pascal@19870
|
1349 push es
|
pascal@19825
|
1350 pop ds
|
pascal@19825
|
1351 @@skip:
|
pascal@19825
|
1352 pop es di si
|
pascal@19825
|
1353 ret
|
pascal@19825
|
1354
|
pascal@19825
|
1355 endp _progname
|
pascal@19825
|
1356
|
pascal@19825
|
1357
|
pascal@19825
|
1358 ;***************************************************************
|
pascal@20630
|
1359 ;_fastcall void chdirname(bx:char *path)
|
pascal@19825
|
1360 ;***************************************************************
|
pascal@20528
|
1361 global @chdirname$qpzc:near
|
pascal@20528
|
1362 proc @chdirname$qpzc near
|
pascal@19825
|
1363
|
pascal@20146
|
1364 cmp [byte bx+1],3Ah ; ':'
|
pascal@19825
|
1365 jne @@nodisk
|
pascal@19875
|
1366 mov dl,20h
|
pascal@19875
|
1367 or dl,[bx]
|
pascal@19825
|
1368 sub dl,61h
|
pascal@19825
|
1369 mov ah,0Eh
|
pascal@19825
|
1370 int 21h
|
pascal@19825
|
1371 inc bx
|
pascal@19825
|
1372 inc bx
|
pascal@19825
|
1373 @@nodisk:
|
pascal@19825
|
1374 xor cx,cx
|
pascal@19825
|
1375 @@next:
|
pascal@19825
|
1376 mov al,[bx]
|
pascal@19825
|
1377 cmp al,5Ch
|
pascal@19825
|
1378 jne @@tsteos
|
pascal@19875
|
1379 mov dx,bx
|
pascal@19875
|
1380 inc cx
|
pascal@19825
|
1381 @@tsteos:
|
pascal@19825
|
1382 inc bx
|
pascal@19825
|
1383 or al,al
|
pascal@19825
|
1384 jnz @@next
|
pascal@19825
|
1385 jcxz @@end
|
pascal@19875
|
1386 mov bx,dx
|
pascal@19825
|
1387 push [word bx]
|
pascal@19825
|
1388 mov [bx],al
|
pascal@20630
|
1389 ifdef LONG_FILENAME
|
pascal@19875
|
1390 stc
|
pascal@20146
|
1391 mov ax,713Bh ; chdir long filename (ds:dx)
|
pascal@19875
|
1392 int 21h
|
pascal@20630
|
1393 jnc @@chdirdone
|
pascal@20630
|
1394 endif
|
pascal@20146
|
1395 mov ah,3Bh ; chdir(ds:dx)
|
pascal@19875
|
1396 int 21h
|
pascal@20510
|
1397 @@chdirdone:
|
pascal@19825
|
1398 pop [word bx]
|
pascal@19825
|
1399 @@end:
|
pascal@19825
|
1400 ret
|
pascal@19825
|
1401
|
pascal@20528
|
1402 endp @chdirname$qpzc
|
pascal@19825
|
1403
|
pascal@19825
|
1404
|
pascal@19825
|
1405 ;***************************************************************
|
pascal@20630
|
1406 ;_fastcall char *ultoa(axdx:unsigned long n);
|
pascal@19825
|
1407 ;***************************************************************
|
pascal@20528
|
1408 global @ultoa$qul:near
|
pascal@20528
|
1409 proc @ultoa$qul near
|
pascal@19825
|
1410
|
pascal@20538
|
1411 xchg ax,cx
|
pascal@20538
|
1412 xchg ax,dx ; AX:CX = n
|
pascal@19825
|
1413 push si
|
pascal@19825
|
1414 mov si,10
|
pascal@19825
|
1415 mov bx,offset ultoabuf+11
|
pascal@19825
|
1416 @@loop:
|
pascal@19825
|
1417 dec bx
|
pascal@19825
|
1418 xor dx,dx
|
pascal@19825
|
1419 div si ; DX:AX = 0000:hi(n)
|
pascal@19825
|
1420 xchg ax,cx ; CX = hi(n)/10
|
pascal@19825
|
1421 div si ; DX:AX = hi(n)%10:lo(n)
|
pascal@19825
|
1422 xchg ax,cx ; CX = lo(n/10)
|
pascal@20528
|
1423 ; AX = hi(n)/10 = hi(n/10)
|
pascal@20528
|
1424 mov [byte bx],'0'
|
pascal@20528
|
1425 add [bx],dl ; DL = n%10
|
pascal@20528
|
1426 mov dx,ax
|
pascal@20528
|
1427 or dx,cx
|
pascal@19825
|
1428 jnz @@loop
|
pascal@19825
|
1429 xchg ax,bx
|
pascal@19825
|
1430 pop si
|
pascal@19825
|
1431 ret
|
pascal@19825
|
1432
|
pascal@20528
|
1433 endp @ultoa$qul
|
pascal@19825
|
1434
|
pascal@19825
|
1435
|
pascal@19825
|
1436 ;***************************************************************
|
pascal@20630
|
1437 ;_fastcall unsigned long kver2ul(bx:char *kernel_version);
|
pascal@19825
|
1438 ;***************************************************************
|
pascal@20528
|
1439 global @kver2ul$qpzc:near
|
pascal@20528
|
1440 proc @kver2ul$qpzc near
|
pascal@19825
|
1441
|
pascal@20146
|
1442 push si
|
pascal@20538
|
1443 mov si,bx
|
pascal@20146
|
1444 xor bx,bx
|
pascal@20146
|
1445 mov cx,304h
|
pascal@19825
|
1446 @@number:
|
pascal@19825
|
1447 xor ax,ax
|
pascal@20146
|
1448 cwd
|
pascal@19825
|
1449 @@digit:
|
pascal@19825
|
1450 shl al,cl
|
pascal@19825
|
1451 shl ax,cl
|
pascal@19825
|
1452 lodsb
|
pascal@19825
|
1453 sub al,30h
|
pascal@19825
|
1454 cmp al,9
|
pascal@19825
|
1455 jbe @@digit
|
pascal@20146
|
1456 mov dl,bh
|
pascal@20146
|
1457 mov bh,bl
|
pascal@20146
|
1458 mov bl,ah
|
pascal@20146
|
1459 dec ch
|
pascal@20146
|
1460 jnz @@number
|
pascal@20146
|
1461 xchg ax,bx
|
pascal@20146
|
1462 pop si
|
pascal@19825
|
1463 kver2ulret:
|
pascal@19825
|
1464 ret
|
pascal@19825
|
1465
|
pascal@20528
|
1466 endp @kver2ul$qpzc
|
pascal@19825
|
1467
|
pascal@20528
|
1468 endif
|
pascal@19825
|
1469
|
pascal@19825
|
1470 ;***************************************************************
|
pascal@19825
|
1471 ;void try_default_args();
|
pascal@19825
|
1472 ;***************************************************************
|
pascal@20528
|
1473 ifdef EXTRA
|
pascal@20528
|
1474
|
pascal@19825
|
1475 global _try_default_args:near
|
pascal@19825
|
1476 proc _try_default_args near
|
pascal@19825
|
1477
|
pascal@19825
|
1478 mov bx,offset tazboot_cmd
|
pascal@19825
|
1479 call open
|
pascal@19825
|
1480 jc kver2ulret
|
pascal@19825
|
1481 mov cx,4096
|
pascal@19825
|
1482 mov di,[_heap_top]
|
pascal@19825
|
1483 extrn read_cmdline:near
|
pascal@19825
|
1484 jmp near read_cmdline ; read_cmdline(ax,di,cx)
|
pascal@19825
|
1485
|
pascal@19825
|
1486 endp _try_default_args
|
pascal@19825
|
1487
|
pascal@20528
|
1488 endif
|
pascal@19825
|
1489
|
pascal@19515
|
1490 ends _TEXT
|
pascal@19515
|
1491
|
pascal@19515
|
1492 end
|
pascal@19515
|
1493
|
pascal@19515
|
1494 ;###### END OF FILE ############################################
|
pascal@19825
|
1495
|