rev |
line source |
pascal@19515
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1 ;***************************************************************
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pascal@19515
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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@24034
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5 %PAGESIZE 255
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pascal@19515
|
6 %crefref
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pascal@19515
|
7 %noincl
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pascal@19515
|
8 %nomacs
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pascal@24019
|
9
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pascal@24019
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10 include "common.inc"
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pascal@24019
|
11
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pascal@19636
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12 ifdef NO386
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pascal@19636
|
13 p8086
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pascal@19636
|
14 else
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pascal@19515
|
15 p386
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pascal@19636
|
16 endif
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pascal@19515
|
17
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pascal@19515
|
18 group DGROUP _TEXT,_DATA,_BSS
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pascal@19515
|
19 assume cs:DGROUP,ds:DGROUP
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pascal@19515
|
20
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pascal@19515
|
21 segment _DATA byte public use16 'DATA'
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pascal@19515
|
22
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pascal@23996
|
23 loaderr db "Load failure",0
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pascal@23983
|
24 msg_hang db "Himem broken",0
|
pascal@24019
|
25 ifdef VCPI
|
pascal@22668
|
26 vcpi_alloc_err db "VCPI"
|
pascal@24019
|
27 endif
|
pascal@22668
|
28 global overflow:byte
|
pascal@22668
|
29 overflow db "/"
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pascal@23996
|
30 msg_malloc db "Out of memory"
|
pascal@23996
|
31 isorootofs dd 16*2048
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pascal@19515
|
32
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pascal@19515
|
33 ends _DATA
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pascal@19515
|
34
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pascal@19515
|
35 segment _BSS byte public use16 'BSS'
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pascal@19515
|
36
|
pascal@24022
|
37 ifdef ISO9660
|
pascal@24022
|
38 global _buf2k:byte
|
pascal@24022
|
39 label _buf2k byte
|
pascal@24022
|
40 db 2048 dup (?)
|
pascal@24022
|
41 endif
|
pascal@24022
|
42 global _buf4k:byte
|
pascal@24022
|
43 label _buf4k byte
|
pascal@24022
|
44 db 4096 dup (?)
|
pascal@19515
|
45
|
pascal@19515
|
46 ends _BSS
|
pascal@19515
|
47
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pascal@19515
|
48 segment _TEXT byte public use16 'CODE'
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pascal@19515
|
49
|
pascal@24034
|
50 ;***************************************************************
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pascal@24034
|
51
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pascal@24034
|
52 struc data_himem ;struct data_himem {
|
pascal@24034
|
53 first dd ? ; 0 u32 first; *must* be the first one assume zero'd in bss
|
pascal@24162
|
54 cacheidx dw ? ; 4 int cacheidx; byte * assume zero'd in bss
|
pascal@24034
|
55 pageidx dw ? ; 6 int pageidx; byte * assume zero'd in bss
|
pascal@24034
|
56 cache dd 1024 dup(?) ; 8 int cache;
|
pascal@24034
|
57 page dd 1024 dup(?) ;4104 int page;
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pascal@24034
|
58 ends data_himem ;};
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pascal@24034
|
59
|
pascal@24034
|
60 include "himem.inc"
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pascal@24034
|
61
|
pascal@19538
|
62
|
pascal@24019
|
63 ifdef NO386
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pascal@20146
|
64 p8086
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pascal@24019
|
65 endif
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pascal@20146
|
66
|
pascal@24019
|
67 ifndef ISO9660
|
pascal@24019
|
68 ;***************************************************************
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pascal@24162
|
69 ;_fastcall int:C open(bx:const char* name, const flags=O_RDONLY);
|
pascal@24162
|
70 ;_fastcall int:C openargs(bx:const char* name, const flags=O_RDONLY);
|
pascal@24019
|
71 ;***************************************************************
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pascal@24019
|
72 global openargs:near ; openargs(bx)
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pascal@24019
|
73 openargs:
|
pascal@24019
|
74 cmp [byte bx],'@'
|
pascal@24019
|
75 jne fail
|
pascal@24019
|
76 inc bx
|
pascal@24019
|
77
|
pascal@24019
|
78 global @open$qpxzc:near
|
pascal@24019
|
79 @open$qpxzc:
|
pascal@24019
|
80 endif
|
pascal@23996
|
81 opendos:
|
pascal@23996
|
82 ifdef LONG_FILENAME
|
pascal@23996
|
83 mov ax,716Ch
|
pascal@23996
|
84 push bx si
|
pascal@23996
|
85 mov si,bx
|
pascal@23996
|
86 xor bx,bx ; R/O
|
pascal@23996
|
87 cwd ; action = open
|
pascal@23996
|
88 stc
|
pascal@23996
|
89 int 21h
|
pascal@23996
|
90 pop si dx
|
pascal@24162
|
91 jnc @@openok
|
pascal@23996
|
92 else
|
pascal@24022
|
93 mov dx,bx ; open(DS:DX=filename,al=access,cl=attributes)
|
pascal@23996
|
94 endif
|
pascal@24162
|
95 mov ax,3d00h ; read-only+compatibility
|
pascal@23996
|
96 call dos
|
pascal@24019
|
97 ifdef ISO9660
|
pascal@24162
|
98 jc @@openret
|
pascal@24162
|
99 @@openok:
|
pascal@23984
|
100 xchg ax,bx
|
pascal@23996
|
101 mov ax,4202h
|
pascal@23996
|
102 cwd
|
pascal@23996
|
103 xor cx,cx
|
pascal@23996
|
104 int 21h
|
pascal@23996
|
105 mov [word _isostate.filesize],ax
|
pascal@23996
|
106 mov [(word _isostate.filesize)+2],dx
|
pascal@23984
|
107 xchg ax,bx
|
pascal@23996
|
108 ;xor cx,cx
|
pascal@23996
|
109 cwd
|
pascal@23996
|
110 call seeksetpos0 ; filepos = 0
|
pascal@24019
|
111 else
|
pascal@24162
|
112 @@openok:
|
pascal@24019
|
113 endif
|
pascal@23996
|
114 xchg ax,bx ; fd
|
pascal@24162
|
115 @@openret:
|
pascal@23996
|
116 ret
|
pascal@20146
|
117
|
pascal@24019
|
118 ifdef ISO9660
|
pascal@24022
|
119
|
pascal@24022
|
120 include "isostate.inc"
|
pascal@24022
|
121 extrn _isostate:isostate
|
pascal@24022
|
122
|
pascal@19538
|
123 ;***************************************************************
|
pascal@24162
|
124 ;_fastcall int:C open(bx:const char* name, const flags=O_RDONLY);
|
pascal@24162
|
125 ;_fastcall int:C openargs(bx:const char* name, const flags=O_RDONLY);
|
pascal@19515
|
126 ;***************************************************************
|
pascal@20538
|
127 global openargs:near ; openargs(bx)
|
pascal@20538
|
128 openargs:
|
pascal@20538
|
129 cmp [byte bx],'@'
|
pascal@20538
|
130 jne fail
|
pascal@20538
|
131 inc bx
|
pascal@20538
|
132
|
pascal@20528
|
133 global @open$qpxzc:near
|
pascal@23996
|
134 @open$qpxzc:
|
pascal@23996
|
135 mov ax,[_isostate.fd]
|
pascal@23996
|
136 or ax,ax
|
pascal@24162
|
137 jz opendos
|
pascal@23996
|
138 ifdef ISOHOOK
|
pascal@23996
|
139 cmp [byte bx],'!'
|
pascal@23996
|
140 je @readmenu$qv
|
pascal@23996
|
141 endif
|
pascal@23996
|
142 extrn @_isoopen$qv:near
|
pascal@23996
|
143 mov [word _isostate.filename2open],bx
|
pascal@23996
|
144 jmp @_isoopen$qv ; filepos = 0
|
pascal@24019
|
145 endif
|
pascal@19515
|
146
|
pascal@19515
|
147
|
pascal@19515
|
148 ;***************************************************************
|
pascal@20632
|
149 ;_fastcall int fileexist(bx:const char* name);
|
pascal@20632
|
150 ;***************************************************************
|
pascal@20632
|
151 global @fileexist$qpxzc:near
|
pascal@20632
|
152 @fileexist$qpxzc:
|
pascal@20632
|
153 call @open$qpxzc
|
pascal@24162
|
154 jc failifc
|
pascal@20632
|
155
|
pascal@20632
|
156 ;***************************************************************
|
pascal@20630
|
157 ;_fastcall int close(ax:int fd);
|
pascal@19515
|
158 ;***************************************************************
|
pascal@20528
|
159 global @close$qi:near
|
pascal@20528
|
160 proc @close$qi near
|
pascal@19515
|
161
|
pascal@20540
|
162 global close:near ; close(ax)
|
pascal@19515
|
163 close:
|
pascal@24022
|
164 mov bh,3Eh ; close(BX:handle)
|
pascal@24019
|
165 ifdef ISO9660
|
pascal@23996
|
166 mov cx,[_isostate.fd]
|
pascal@23996
|
167 jcxz dosbx
|
pascal@24162
|
168 ret
|
pascal@24162
|
169 else
|
pascal@24162
|
170 jmp dosbx
|
pascal@24019
|
171 endif
|
pascal@19515
|
172
|
pascal@20528
|
173 endp @close$qi
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pascal@19515
|
174
|
pascal@19515
|
175
|
pascal@19515
|
176 ;***************************************************************
|
pascal@23996
|
177 ;_fastcall int readrm(si:struct himem *m, ax:int sz);
|
pascal@19515
|
178 ;***************************************************************
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pascal@20751
|
179 global @readrm$qp11image_himemi:near
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pascal@20751
|
180 @readrm$qp11image_himemi:
|
pascal@20751
|
181 xchg ax,dx ; sz
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pascal@23996
|
182 mov ax,[si] ; fd
|
pascal@23996
|
183 mov bx,[si-2] ; data
|
pascal@20528
|
184 proc @read$qipvi near
|
pascal@19515
|
185
|
pascal@24162
|
186 @read$dxbxax: ; dx:size bx:data ax:fd
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pascal@20538
|
187 xchg ax,bx ; fd
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pascal@24162
|
188 @read$dxaxbx: ; dx:size ax:data bx:fd
|
pascal@20538
|
189 xchg ax,dx ; data
|
pascal@20538
|
190 xchg ax,cx ; sz
|
pascal@20528
|
191 global @read$cxdxbx:near
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pascal@24162
|
192 @read$cxdxbx: ; cx:size dx:data bx:fd
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pascal@24019
|
193 ifdef ISO9660
|
pascal@23996
|
194 push bx
|
pascal@23996
|
195 mov bx,offset _isostate.filepos
|
pascal@23996
|
196 push cx
|
pascal@24162
|
197 les cx,[bx-4] ; filesize
|
pascal@23996
|
198 sub cx,[bx] ; filepos
|
pascal@24162
|
199 mov ax,es
|
pascal@23996
|
200 sbb ax,[bx+2]
|
pascal@23996
|
201 pop ax
|
pascal@24162
|
202 ;jb fail ; filepos > filesize ???
|
pascal@24162
|
203 jne @@axok
|
pascal@23996
|
204 cmp cx,ax
|
pascal@23996
|
205 jb @@cxok
|
pascal@23996
|
206 @@axok:
|
pascal@23996
|
207 xchg ax,cx
|
pascal@23996
|
208 @@cxok:
|
pascal@23996
|
209 add [bx],cx
|
pascal@23996
|
210 adc [(word bx)+2],0
|
pascal@23996
|
211 pop bx
|
pascal@24019
|
212 endif
|
pascal@23996
|
213 readfd:
|
pascal@24022
|
214 mov ah,3Fh ; read(BX=handle,DS:DX=to,CX=count)
|
pascal@23996
|
215 ;jcxz fail
|
pascal@21628
|
216 dos:
|
pascal@21628
|
217 int 21h
|
pascal@24162
|
218 jnc @@doret
|
pascal@21628
|
219 fail:
|
pascal@21628
|
220 stc
|
pascal@21628
|
221 failifc:
|
pascal@21628
|
222 sbb ax,ax ; ax=-1 CF
|
pascal@24162
|
223 @@doret:
|
pascal@21628
|
224 ret
|
pascal@19515
|
225
|
pascal@20528
|
226 endp @read$qipvi
|
pascal@19515
|
227
|
pascal@19515
|
228 ;***************************************************************
|
pascal@22632
|
229 ;_fastcall long rewind(ax:int fd);
|
pascal@19515
|
230 ;***************************************************************
|
pascal@19899
|
231
|
pascal@22632
|
232 global @rewind$qi:near ; fd=ax
|
pascal@22632
|
233 proc @rewind$qi near
|
pascal@20542
|
234
|
pascal@23996
|
235 rewind:
|
pascal@24019
|
236 ifdef ISO9660
|
pascal@23996
|
237 mov bx,offset _isostate.fileofs
|
pascal@23996
|
238 jmp lseek
|
pascal@24019
|
239 else
|
pascal@24019
|
240 mov bl,0
|
pascal@24019
|
241 lseek0:
|
pascal@24019
|
242 xor cx,cx
|
pascal@24019
|
243 xor dx,dx
|
pascal@24019
|
244 jmp lseek
|
pascal@24019
|
245 endif
|
pascal@19515
|
246
|
pascal@22632
|
247 endp @rewind$qi
|
pascal@19825
|
248
|
pascal@23996
|
249
|
pascal@23996
|
250 ifdef ISOHOOK
|
pascal@23996
|
251 ;***************************************************************
|
pascal@24015
|
252 ;_fastcall int:bx readmenu(void);
|
pascal@23996
|
253 ;***************************************************************
|
pascal@23996
|
254 proc @readmenu$qv near
|
pascal@23996
|
255
|
pascal@24022
|
256 mov dx,20
|
pascal@23996
|
257 xor cx,cx
|
pascal@23996
|
258 call seeksetpos0 ; filepos = 0
|
pascal@24022
|
259 mov dx,offset _isostate.fileofs
|
pascal@24022
|
260 mov cl,8
|
pascal@24022
|
261 push dx
|
pascal@24022
|
262 call readfd ; // read x->fileofs & x->filesize
|
pascal@24022
|
263 pop bx
|
pascal@23996
|
264 ; x->fileofs = 0x7FF0 - (x->filesize &= 0xFFFF);
|
pascal@24152
|
265 mov ax,7FF0h ; old way : up to md5 signature
|
pascal@24152
|
266 @@oldway:
|
pascal@24152
|
267 xor ax,6FF0h ; new way : between Apple partitions = up to 1000h
|
pascal@24153
|
268 neg [word bx+4] ; fix x->filesize
|
pascal@24152
|
269 js @@oldway
|
pascal@23996
|
270 cwd
|
pascal@23996
|
271 mov [word bx+6],dx
|
pascal@23996
|
272 sub ax,[bx+4]
|
pascal@23996
|
273 mov [word bx+2],dx
|
pascal@23996
|
274 mov [bx],ax
|
pascal@23996
|
275 call isolseek ; filepos = 0
|
pascal@23996
|
276 xchg ax,bx ; fd
|
pascal@23996
|
277 ret
|
pascal@23996
|
278
|
pascal@23996
|
279 endp @readmenu$qv
|
pascal@23996
|
280 endif
|
pascal@23996
|
281
|
pascal@19825
|
282 ;***************************************************************
|
pascal@22749
|
283 ;_fastcall void isolseek(bx:const unsigned long *offset);
|
pascal@19825
|
284 ;***************************************************************
|
pascal@20528
|
285 global @isolseek$qpxul:near
|
pascal@20528
|
286 proc @isolseek$qpxul near
|
pascal@19825
|
287
|
pascal@24019
|
288 ifdef ISO9660
|
pascal@20534
|
289 isolseek:
|
pascal@20632
|
290 mov ax,[_isostate.fd]
|
pascal@23996
|
291 lseek:
|
pascal@21984
|
292 les dx,[dword bx]
|
pascal@21984
|
293 mov cx,es
|
pascal@23996
|
294 seeksetpos0:
|
pascal@23996
|
295 xor bx,bx
|
pascal@23996
|
296 mov [word _isostate.filepos],bx
|
pascal@23996
|
297 mov [(word _isostate.filepos)+2],bx
|
pascal@24019
|
298 else
|
pascal@24019
|
299 lseek:
|
pascal@24019
|
300 endif
|
pascal@23996
|
301 mov bh,42h ; bx=fd cx:dx=offset al=whence
|
pascal@23996
|
302 dosbx:
|
pascal@23996
|
303 xchg ax,bx
|
pascal@24015
|
304 jmp dos ; bx = fd
|
pascal@20534
|
305
|
pascal@20538
|
306 endp @isolseek$qpxul
|
pascal@20534
|
307
|
pascal@24019
|
308 ifdef ISO9660
|
pascal@20534
|
309 ;***************************************************************
|
pascal@20630
|
310 ;_fastcall int isoreadsector(bx:const unsigned long *offset);
|
pascal@23996
|
311 ;_fastcall int isoreadrootsector(void);
|
pascal@20534
|
312 ;***************************************************************
|
pascal@23996
|
313 global @isoreadrootsector$qv:near
|
pascal@23996
|
314 @isoreadrootsector$qv:
|
pascal@23996
|
315 mov bx,offset isorootofs
|
pascal@20534
|
316 global @isoreadsector$qpxul:near
|
pascal@20534
|
317 proc @isoreadsector$qpxul near
|
pascal@20534
|
318
|
pascal@23996
|
319 call isolseek ; filepos = 0
|
pascal@24162
|
320 jc failifc
|
pascal@24022
|
321 mov cx,2048
|
pascal@24022
|
322 mov dx,offset _buf2k
|
pascal@24022
|
323 jmp readfd ; read(fd,buf2k,2048)
|
pascal@20534
|
324
|
pascal@20534
|
325 endp @isoreadsector$qpxul
|
pascal@24019
|
326 endif
|
pascal@20534
|
327
|
pascal@21628
|
328
|
pascal@24019
|
329 ifdef ISO9660
|
pascal@23999
|
330 ifdef ISOHOOK
|
pascal@21628
|
331 ;***************************************************************
|
pascal@24034
|
332 ;_fastcall int strhead(ax:const char* a, bx:const char* b);
|
pascal@21628
|
333 ;***************************************************************
|
pascal@23996
|
334 global @strhead$qpxzct1:near
|
pascal@23996
|
335 proc @strhead$qpxzct1 near
|
pascal@21628
|
336
|
pascal@23996
|
337 @@loop:
|
pascal@24034
|
338 mov dh,[bx] ; dh = *b++
|
pascal@23996
|
339 inc bx
|
pascal@23996
|
340 xchg ax,bx
|
pascal@24034
|
341 or dh,dh ; clear C
|
pascal@24034
|
342 jz failifc ; return 0, bx=a tail, dh=0
|
pascal@24034
|
343 xor dh,[bx] ; dh -= *a++
|
pascal@23996
|
344 jne fail ; return -1
|
pascal@23996
|
345 inc bx
|
pascal@24034
|
346 xchg ax,bx
|
pascal@23996
|
347 jmp @@loop
|
pascal@21628
|
348
|
pascal@23996
|
349 endp @strhead$qpxzct1
|
pascal@21628
|
350
|
pascal@21628
|
351
|
pascal@21628
|
352 ;***************************************************************
|
pascal@24034
|
353 ;_fastcall int strcmp(ax:const char* a, bx:const char* b);
|
pascal@21628
|
354 ;***************************************************************
|
pascal@23996
|
355 global @strcmp$qpxzct1:near
|
pascal@23996
|
356 proc @strcmp$qpxzct1 near
|
pascal@21628
|
357
|
pascal@23996
|
358 call @strhead$qpxzct1
|
pascal@24162
|
359 or dh,[bx] ; clear C
|
pascal@23996
|
360 jne fail ; return -1
|
pascal@24034
|
361 jmp failifc ; return 0, dh=0
|
pascal@21628
|
362
|
pascal@23996
|
363 endp @strcmp$qpxzct1
|
pascal@21628
|
364
|
pascal@23999
|
365 else
|
pascal@23999
|
366
|
pascal@23999
|
367 ;***************************************************************
|
pascal@23999
|
368 ;_fastcall int strcmp(bx:const char* a, ax:const char* b);
|
pascal@23999
|
369 ;***************************************************************
|
pascal@23999
|
370 global @strcmp$qpxzct1:near
|
pascal@23999
|
371 proc @strcmp$qpxzct1 near
|
pascal@23999
|
372
|
pascal@23999
|
373 @@loop:
|
pascal@23999
|
374 xchg ax,bx
|
pascal@23999
|
375 mov dl,[bx] ; dl = *b++
|
pascal@23999
|
376 inc bx
|
pascal@23999
|
377 xchg ax,bx
|
pascal@23999
|
378 xor dl,[bx] ; dl ^= *a++
|
pascal@24022
|
379 ifndef RAW_ISO9660
|
pascal@24020
|
380 ifndef ROCKRIDGE
|
pascal@24020
|
381 and dl,0dfh ; case insensitive
|
pascal@24020
|
382 endif
|
pascal@24022
|
383 endif
|
pascal@23999
|
384 jne fail ; return -1
|
pascal@23999
|
385 inc bx
|
pascal@23999
|
386 or dl,dl ; clear C
|
pascal@23999
|
387 jz failifc ; return 0
|
pascal@23999
|
388 jmp @@loop
|
pascal@23999
|
389
|
pascal@23999
|
390 endp @strcmp$qpxzct1
|
pascal@23999
|
391 endif
|
pascal@24019
|
392 endif
|
pascal@19515
|
393
|
pascal@20751
|
394 ;***************************************************************
|
pascal@24034
|
395 ;_fastcall char* malloc_or_die(ax:unsigned size);
|
pascal@24034
|
396 ;***************************************************************
|
pascal@24034
|
397 xchg_heap_top:
|
pascal@24034
|
398 xchg ax,[bx]
|
pascal@24034
|
399 ret
|
pascal@24034
|
400
|
pascal@24034
|
401 proc @malloc_or_die$qui near
|
pascal@24034
|
402
|
pascal@24034
|
403 malloc_or_die: ; ax = malloc_or_die(ax)
|
pascal@24034
|
404 extrn _heap_top
|
pascal@24034
|
405 mov bx,offset _heap_top
|
pascal@24034
|
406 add ax,[bx]
|
pascal@24034
|
407 jnc xchg_heap_top
|
pascal@24034
|
408 mov bx,offset msg_malloc
|
pascal@24034
|
409
|
pascal@24034
|
410 endp @malloc_or_die$qui
|
pascal@24034
|
411
|
pascal@24034
|
412
|
pascal@24034
|
413 ;***************************************************************
|
pascal@24034
|
414 ;_fastcall int die(bx:const char* msg);
|
pascal@24034
|
415 ;int exit(ax:int status);
|
pascal@24034
|
416 ;int abort(void);
|
pascal@24034
|
417 ;***************************************************************
|
pascal@24034
|
418 global @die$qpxzc:near
|
pascal@24034
|
419 proc @die$qpxzc near
|
pascal@24034
|
420 @die$qpxzc:
|
pascal@24034
|
421 global die:near ; die(bx)
|
pascal@24034
|
422 die:
|
pascal@24034
|
423 call puts
|
pascal@24034
|
424 global @exit$qv:near
|
pascal@24034
|
425 @exit$qv:
|
pascal@24034
|
426 _exit:
|
pascal@24034
|
427 extrn _imgs:image_himem
|
pascal@24034
|
428 mov cx,[(word _imgs.buf)+2] ; no_exit ?
|
pascal@24034
|
429 mov ah,4Ch
|
pascal@24034
|
430 jcxz do_int21h
|
pascal@24034
|
431 mov bx, offset msg_hang
|
pascal@24034
|
432 call puts
|
pascal@24034
|
433 ; global _abort:near
|
pascal@24034
|
434 _abort:
|
pascal@24034
|
435 cli
|
pascal@24034
|
436 hlt
|
pascal@24034
|
437 jmp _abort
|
pascal@24034
|
438
|
pascal@24034
|
439 endp @die$qpxzc
|
pascal@24034
|
440
|
pascal@24034
|
441 ;***************************************************************
|
pascal@24162
|
442 ;_fastcall void puts(bx:const char* s):
|
pascal@24034
|
443 ;***************************************************************
|
pascal@24162
|
444 global @puts$qpxzc:near
|
pascal@24034
|
445
|
pascal@24162
|
446 ; global puts:near ; puts(bx)
|
pascal@24162
|
447 @putsz:
|
pascal@24162
|
448 call @putc
|
pascal@24162
|
449 @puts$qpxzc:
|
pascal@24162
|
450 puts:
|
pascal@24162
|
451 mov dl,[bx]
|
pascal@24162
|
452 inc bx
|
pascal@24162
|
453 or dl,dl
|
pascal@24162
|
454 jne @putsz
|
pascal@24162
|
455 mov dl,10
|
pascal@24162
|
456 @putc:
|
pascal@24162
|
457 cmp dl,10
|
pascal@24162
|
458 jne @putcz
|
pascal@24162
|
459 call @putcz2
|
pascal@24162
|
460 @putcz2:
|
pascal@24162
|
461 xor dl,7 ; 10^13 1010^1101
|
pascal@24162
|
462 @putcz:
|
pascal@24162
|
463 mov ah,2
|
pascal@24162
|
464 do_int21h:
|
pascal@24162
|
465 int 21h
|
pascal@24162
|
466 ret
|
pascal@24034
|
467
|
pascal@24034
|
468 ;***************************************************************
|
pascal@24034
|
469 ;static long next_chunk(struct image_himem *si);
|
pascal@24034
|
470 ;***************************************************************
|
pascal@24034
|
471 proc next_chunk near
|
pascal@24034
|
472
|
pascal@24034
|
473 ifndef NO_CLOSE
|
pascal@24034
|
474 mov ax,[(image_himem si).fd]
|
pascal@24034
|
475 call close
|
pascal@24034
|
476 endif
|
pascal@24034
|
477 ifndef NO386
|
pascal@24034
|
478 xor eax,eax
|
pascal@24034
|
479 else
|
pascal@24034
|
480 xor ax,ax
|
pascal@24034
|
481 cwd
|
pascal@24034
|
482 endif
|
pascal@24034
|
483 mov [(image_himem si).fd],ax
|
pascal@24034
|
484 mov bx,[(image_himem si).state]
|
pascal@24034
|
485 cmp al,[bx] ; ""
|
pascal@24034
|
486 jz @@end
|
pascal@24034
|
487 push di
|
pascal@24034
|
488 @@scan:
|
pascal@24034
|
489 mov al,[bx]
|
pascal@24034
|
490 mov di,bx
|
pascal@24034
|
491 or al,al
|
pascal@24034
|
492 jz @@eos
|
pascal@24162
|
493 inc bx
|
pascal@24034
|
494 sub al,','
|
pascal@24034
|
495 jnz @@scan
|
pascal@24034
|
496 @@eos:
|
pascal@24034
|
497 xchg [(image_himem si).state],bx ; set start of string
|
pascal@24034
|
498 mov [current_file],bx
|
pascal@24034
|
499 xchg [di],ax ; set temp eos (ax == 0)
|
pascal@24034
|
500 push ax
|
pascal@24034
|
501 call @open$qpxzc
|
pascal@24034
|
502 pop [word di] ; restore string
|
pascal@24034
|
503 pop di
|
pascal@24034
|
504 jnc @@opened
|
pascal@24034
|
505 loadfailure:
|
pascal@24034
|
506 ;***************************************************************
|
pascal@24034
|
507 ;_fastcall void loadfailure(void);
|
pascal@24034
|
508 ;***************************************************************
|
pascal@24034
|
509 global @loadfailure$qv:near
|
pascal@24034
|
510 @loadfailure$qv:
|
pascal@24034
|
511 mov bx,0
|
pascal@24034
|
512 org $-2
|
pascal@24034
|
513 current_file dw ?
|
pascal@24034
|
514 call puts
|
pascal@24034
|
515 mov bx,offset loaderr
|
pascal@24034
|
516 jmpdie:
|
pascal@24034
|
517 jmp die
|
pascal@24034
|
518 @@opened:
|
pascal@24034
|
519 mov [(image_himem si).fd],ax
|
pascal@24034
|
520 ifndef NO_CLOSE
|
pascal@24034
|
521 mov [(image_himem si).fd2close],ax
|
pascal@24034
|
522 endif
|
pascal@24034
|
523 ifdef ISO9660
|
pascal@24034
|
524 ifndef NO386
|
pascal@24034
|
525 mov eax,[_isostate.filesize]
|
pascal@24034
|
526 else
|
pascal@24034
|
527 les ax,[_isostate.filesize]
|
pascal@24034
|
528 mov dx,es
|
pascal@24034
|
529 endif
|
pascal@24034
|
530 else
|
pascal@24034
|
531 mov bl,02h ; SEEK_END
|
pascal@24034
|
532 call lseek0
|
pascal@24034
|
533 ifndef NO386
|
pascal@24034
|
534 push eax
|
pascal@24034
|
535 mov ax,[(image_himem si).fd]
|
pascal@24034
|
536 call rewind
|
pascal@24034
|
537 pop eax
|
pascal@24034
|
538 else
|
pascal@24034
|
539 push ax
|
pascal@24034
|
540 push dx
|
pascal@24034
|
541 mov ax,[(image_himem si).fd]
|
pascal@24034
|
542 call rewind
|
pascal@24034
|
543 pop dx
|
pascal@24034
|
544 pop ax
|
pascal@24034
|
545 endif
|
pascal@24034
|
546 endif
|
pascal@24034
|
547 @@end:
|
pascal@24034
|
548 ifndef NO386
|
pascal@24034
|
549 mov [(image_himem si).chunk_size],eax
|
pascal@24034
|
550 else
|
pascal@24034
|
551 mov [word (image_himem si).chunk_size],ax
|
pascal@24034
|
552 mov [word ((image_himem si).chunk_size)+2],dx
|
pascal@24034
|
553 endif
|
pascal@24034
|
554 ret
|
pascal@24034
|
555
|
pascal@24034
|
556 endp next_chunk
|
pascal@24034
|
557
|
pascal@24162
|
558 ifdef VCPI
|
pascal@24162
|
559 p386
|
pascal@24162
|
560 ;***************************************************************
|
pascal@24162
|
561 ;_fastcall u32* malloc_bufv_or_die(si:struct image_himem *m);
|
pascal@24162
|
562 ;***************************************************************
|
pascal@24162
|
563 global @malloc_bufv_or_die$qp11image_himem:near
|
pascal@24162
|
564 proc @malloc_bufv_or_die$qp11image_himem near
|
pascal@24162
|
565
|
pascal@24162
|
566 p386
|
pascal@24162
|
567 ;mov ecx,[(image_himem si).size]
|
pascal@24162
|
568 ;shr ecx,20 ; pages index size = size >> 20
|
pascal@24162
|
569 ;mov ax,cx
|
pascal@24162
|
570 ;add ax,size data_himem-4096
|
pascal@24162
|
571 mov ax,size data_himem
|
pascal@24162
|
572 call malloc_or_die
|
pascal@24162
|
573 ;mov cx,4096+4095 ; cnt = 1+(m->size+PAGE_MASK)/PAGE_SIZE;
|
pascal@24162
|
574 mov ecx,4096+4095 ; cnt = 1+(m->size+PAGE_MASK)/PAGE_SIZE;
|
pascal@24162
|
575 add ecx,[(image_himem si).size]
|
pascal@24162
|
576 shr ecx,12
|
pascal@24162
|
577 mov [(image_himem si).bufv],ax ; update m->bufv
|
pascal@24162
|
578 xchg ax,di
|
pascal@24162
|
579 @@vcpi_alloc:
|
pascal@24162
|
580 mov ax,0DE04h ; allocate a 4K page => EDX
|
pascal@24162
|
581 int 67h
|
pascal@24162
|
582 or ah,ah
|
pascal@24162
|
583 mov bx,offset vcpi_alloc_err
|
pascal@24162
|
584 jnz jmpdie
|
pascal@24162
|
585 ; for (i = cnt-1; i >= 0; i--)
|
pascal@24162
|
586 ; if (edx < pm.fallback+pm.size) again
|
pascal@24162
|
587 mov bx,offset _imgs.fallback+size image_himem
|
pascal@24162
|
588 mov eax,[bx-2+6-size image_himem] ; pm.size
|
pascal@24162
|
589 add eax,[bx-2+2-size image_himem]
|
pascal@24162
|
590 cmp eax,edx ; pm.fallback+pm.size <= edx ?
|
pascal@24162
|
591 ja @@vcpi_alloc
|
pascal@24162
|
592 mov eax,ecx
|
pascal@24162
|
593 dec eax
|
pascal@24162
|
594 shl eax,12 ; i*_4k
|
pascal@24162
|
595 ; if (edx >= initrd.fallback+i*_4k && edx < initrd.fallback+initrd.size) again
|
pascal@24162
|
596 add eax,[bx-2+2] ; +initrd.fallback
|
pascal@24162
|
597 cmp eax,edx ; initrd.fallback+i*_4k > edx ?
|
pascal@24162
|
598 ja @@initrdok
|
pascal@24162
|
599 mov eax,[bx-2+6] ; initrd.size
|
pascal@24162
|
600 add eax,[bx-2+2] ; +initrd.fallback
|
pascal@24162
|
601 cmp eax,edx ; initrd.fallback+initrd.size > edx ?
|
pascal@24162
|
602 ja @@vcpi_alloc
|
pascal@24162
|
603 @@initrdok:
|
pascal@24162
|
604 cmp [(data_himem di).first],0 ; zero'd in bss
|
pascal@24162
|
605 jne @@notfirst
|
pascal@24162
|
606 mov [(data_himem di).first],edx
|
pascal@24162
|
607 @@notfirst:
|
pascal@24162
|
608 mov bx,[(data_himem di).cacheidx] ; zero'd in bss
|
pascal@24162
|
609 cmp bh,10h
|
pascal@24162
|
610 jae @@nextpage
|
pascal@24162
|
611 add [(data_himem di).cacheidx],4
|
pascal@24162
|
612 mov [(data_himem bx+di).cache],edx ; cache[cacheidx++] = edx
|
pascal@24162
|
613 loopd @@vcpi_alloc
|
pascal@24162
|
614 mov [(data_himem bx+di).cache],ecx ; last is 0
|
pascal@24162
|
615 @@nextpage:
|
pascal@24162
|
616 and [(data_himem di).cacheidx],0
|
pascal@24162
|
617 mov bx,[(data_himem di).pageidx] ; zero'd in bss
|
pascal@24162
|
618 mov [(data_himem bx+di).page],edx
|
pascal@24162
|
619 add [(data_himem di).pageidx],4
|
pascal@24162
|
620 push cx
|
pascal@24162
|
621 lea cx,[(data_himem di).cache]
|
pascal@24162
|
622 ifdef NO386
|
pascal@24162
|
623 push edx
|
pascal@24162
|
624 pop ax ; to es:ax
|
pascal@24162
|
625 pop es
|
pascal@24162
|
626 endif
|
pascal@24162
|
627 call storepage ; storepage(edx/es:ax,cx)
|
pascal@24162
|
628 pop cx
|
pascal@24162
|
629 or ecx,ecx ; clear C
|
pascal@24162
|
630 jnz @@vcpi_alloc
|
pascal@24162
|
631
|
pascal@24162
|
632 endp @malloc_bufv_or_die$qp11image_himem
|
pascal@24162
|
633
|
pascal@24162
|
634 ;***************************************************************
|
pascal@24162
|
635 ;_fastcall void reset_bufv(di:u32 *p);
|
pascal@24162
|
636 ;***************************************************************
|
pascal@24162
|
637 global @reset_bufv$qpul:near
|
pascal@24162
|
638 proc @reset_bufv$qpul near
|
pascal@24162
|
639
|
pascal@24162
|
640 mov [curdata],di
|
pascal@24162
|
641 and [dword (data_himem di).cacheidx],0 ; and pageidx=0
|
pascal@24162
|
642 ret
|
pascal@24162
|
643
|
pascal@24162
|
644 endp @reset_bufv$qpul
|
pascal@24162
|
645 p8086
|
pascal@24162
|
646 endif
|
pascal@24162
|
647
|
pascal@24162
|
648 ;===============================================================
|
pascal@24162
|
649
|
pascal@24162
|
650 ;***************************************************************
|
pascal@24162
|
651 ;_fastcall void open_image(si:struct image_himem *m, ax:const char *name);
|
pascal@24162
|
652 ;***************************************************************
|
pascal@24162
|
653
|
pascal@24162
|
654 global @open_image$qp11image_himempxzc:near
|
pascal@24162
|
655 proc @open_image$qp11image_himempxzc near
|
pascal@24162
|
656
|
pascal@24162
|
657 mov [(image_himem si).state],ax
|
pascal@24162
|
658 push ax
|
pascal@24162
|
659 @@next:
|
pascal@24162
|
660 call next_chunk
|
pascal@24162
|
661 ifndef NO386
|
pascal@24162
|
662 add eax,3
|
pascal@24162
|
663 and al,0FCh
|
pascal@24162
|
664 add [(image_himem si).size],eax ; m->size += m->chunk_size size zero'd in bss
|
pascal@24162
|
665 or eax,eax
|
pascal@24162
|
666 else
|
pascal@24162
|
667 add ax,3
|
pascal@24162
|
668 adc dx,0
|
pascal@24162
|
669 and al,0FCh
|
pascal@24162
|
670 add [word (image_himem si).size],ax ; m->size += m->chunk_size size zero'd in bss
|
pascal@24162
|
671 adc [word ((image_himem si).size)+2],dx
|
pascal@24162
|
672 or ax,dx
|
pascal@24162
|
673 endif
|
pascal@24162
|
674 jnz @@next
|
pascal@24162
|
675 pop [(image_himem si).state]
|
pascal@24162
|
676
|
pascal@24162
|
677 endp @open_image$qp11image_himempxzc
|
pascal@24162
|
678
|
pascal@24162
|
679 ;===============================================================
|
pascal@24034
|
680
|
pascal@24034
|
681 ;***************************************************************
|
pascal@24034
|
682 ;_fastcall int read_image(si:struct image_himem *m);
|
pascal@24034
|
683 ;***************************************************************
|
pascal@24034
|
684 global @read_image$qp11image_himem:near
|
pascal@24034
|
685 proc @read_image$qp11image_himem near
|
pascal@24034
|
686
|
pascal@24034
|
687 push di
|
pascal@24034
|
688 xor di,di
|
pascal@24034
|
689 @@loop:
|
pascal@24034
|
690 ifndef NO386
|
pascal@24034
|
691 xor ecx,ecx
|
pascal@24034
|
692 mov ch,4096/256
|
pascal@24034
|
693 sub cx,di
|
pascal@24034
|
694 mov eax,[(image_himem si).chunk_size]
|
pascal@24034
|
695 cmp ecx,eax
|
pascal@24034
|
696 jb @@szok
|
pascal@24034
|
697 else
|
pascal@24034
|
698 mov cx,4096
|
pascal@24034
|
699 sub cx,di
|
pascal@24034
|
700 mov ax,[word (image_himem si).chunk_size]
|
pascal@24034
|
701 cmp cx,ax
|
pascal@24034
|
702 jb @@szok
|
pascal@24034
|
703 cmp [word ((image_himem si).chunk_size)+2],0 ; hi m->chunk_size
|
pascal@24034
|
704 jne @@szok
|
pascal@24034
|
705 endif
|
pascal@24034
|
706 xchg ax,cx
|
pascal@24034
|
707 @@szok:
|
pascal@24162
|
708 jcxz @@image_done
|
pascal@24034
|
709 lea dx,[di+_buf4k]
|
pascal@24034
|
710 mov bx,[(image_himem si).fd]
|
pascal@24034
|
711 call @read$cxdxbx
|
pascal@24162
|
712 jb @@image_done
|
pascal@24034
|
713 add di,ax
|
pascal@24034
|
714 ifndef NO386
|
pascal@24034
|
715 cwde ; ax < 8000h
|
pascal@24034
|
716 cdq
|
pascal@24034
|
717 sub [(image_himem si).chunk_size],eax
|
pascal@24034
|
718 else
|
pascal@24034
|
719 cwd ; ax < 8000h
|
pascal@24034
|
720 sub [word (image_himem si).chunk_size],ax
|
pascal@24034
|
721 sbb [word ((image_himem si).chunk_size)+2],dx
|
pascal@24034
|
722 endif
|
pascal@24034
|
723 @@fill:
|
pascal@24034
|
724 test al,3
|
pascal@24034
|
725 je @@filled
|
pascal@24034
|
726 mov [di+_buf4k],dl
|
pascal@24034
|
727 inc di
|
pascal@24034
|
728 inc ax
|
pascal@24034
|
729 jmp @@fill
|
pascal@24034
|
730 @@filled:
|
pascal@24034
|
731 ifndef NO386
|
pascal@24034
|
732 sub [(image_himem si).remaining],eax
|
pascal@24034
|
733 or edx,[word (image_himem si).chunk_size]
|
pascal@24034
|
734 else
|
pascal@24034
|
735 sub [word (image_himem si).remaining],ax
|
pascal@24034
|
736 sbb [word ((image_himem si).remaining)+2],dx
|
pascal@24034
|
737 mov ax,[word (image_himem si).chunk_size]
|
pascal@24034
|
738 or ax,[word ((image_himem si).chunk_size)+2]
|
pascal@24034
|
739 endif
|
pascal@24034
|
740 jnz @@same_chunk
|
pascal@24034
|
741 call next_chunk
|
pascal@24034
|
742 @@same_chunk:
|
pascal@24034
|
743 jmp @@loop
|
pascal@24162
|
744 @@image_done:
|
pascal@24034
|
745 xchg ax,di
|
pascal@24034
|
746 pop di
|
pascal@24034
|
747 ret
|
pascal@24034
|
748
|
pascal@24034
|
749 endp @read_image$qp11image_himem
|
pascal@24034
|
750
|
pascal@24162
|
751 ;===============================================================
|
pascal@24162
|
752
|
pascal@24034
|
753 ;***************************************************************
|
pascal@23996
|
754 ;_fastcall const char **argstr(bx:const char *s, ax:const char keywords[], dx:const char **var);
|
pascal@23993
|
755 ;_fastcall unsigned long *argnum(bx:char *s, ax:const char keywords[], dx:unsigned long *var);
|
pascal@20751
|
756 ;***************************************************************
|
pascal@20751
|
757 global @argstr$qpxzcxt1ppxzc:near
|
pascal@20751
|
758 proc @argstr$qpxzcxt1ppxzc near
|
pascal@20751
|
759
|
pascal@21569
|
760 mov cl,2
|
pascal@21569
|
761 db 0a9h ; test ax,#
|
pascal@20751
|
762 global @argnum$qpzcxpxzcpul:near
|
pascal@20751
|
763 @argnum$qpzcxpxzcpul:
|
pascal@21569
|
764 mov cl,4
|
pascal@23993
|
765 push bx
|
pascal@21569
|
766 xchg ax,bx ; keywords -> bx
|
pascal@21569
|
767 xchg ax,cx ; s -> cx
|
pascal@21569
|
768 cbw ; argstr:0002 argnum:0004
|
pascal@21569
|
769 xchg ax,dx ; vars -> ax
|
pascal@20751
|
770 push si di
|
pascal@21569
|
771 xchg ax,di ; vars => di
|
pascal@20751
|
772 dec bx
|
pascal@20751
|
773 sub di,dx
|
pascal@23797
|
774 @@loop:
|
pascal@24067
|
775 add di,dx
|
pascal@20751
|
776 mov si,cx ; s
|
pascal@20751
|
777 @@match:
|
pascal@21569
|
778 lodsb ; *s++
|
pascal@23999
|
779 or al,20h ; locase
|
pascal@24014
|
780 cmp al,'/' ; 2f
|
pascal@24014
|
781 jne @@notopt
|
pascal@24014
|
782 mov al,'-'
|
pascal@24014
|
783 @@notopt:
|
pascal@24014
|
784 inc bx ; keywords++
|
pascal@20751
|
785 cmp al,[bx]
|
pascal@20751
|
786 je @@match
|
pascal@24014
|
787 cmp [byte bx],dh
|
pascal@24014
|
788 je @@lastal
|
pascal@24014
|
789 cmp [byte bx],'|'
|
pascal@24014
|
790 je @@testal
|
pascal@24014
|
791 jl @@notsw ; } ~ <del>
|
pascal@24067
|
792 ;mov dl,1
|
pascal@24014
|
793 cmp al,20h ; EOS or 20h
|
pascal@24014
|
794 jne @@loop ; assume [bx] = '|'
|
pascal@24014
|
795 @@notsw:
|
pascal@24015
|
796 mov al,-1
|
pascal@20751
|
797 jne @@notopt
|
pascal@24067
|
798 jmp @@setnum2
|
pascal@23797
|
799 @@testal:
|
pascal@24015
|
800 cmp al,-1
|
pascal@24014
|
801 jz @@loop
|
pascal@24014
|
802 @@lastal:
|
pascal@24015
|
803 cmp al,'='
|
pascal@23996
|
804 xchg ax,cx ; return s if failure
|
pascal@23797
|
805 jne @@nokeyword
|
pascal@20751
|
806 dec dx
|
pascal@20751
|
807 dec dx
|
pascal@20751
|
808 je @@done
|
pascal@24015
|
809 @strtol$qpxzc:
|
pascal@24015
|
810 ifndef NO386
|
pascal@24015
|
811 xor ecx,ecx
|
pascal@24015
|
812 xor ebx,ebx
|
pascal@24015
|
813 else
|
pascal@24015
|
814 xor bx,bx
|
pascal@24015
|
815 xor cx,cx
|
pascal@24015
|
816 xor dx,dx
|
pascal@24015
|
817 endif
|
pascal@24015
|
818 lodsb
|
pascal@24015
|
819 or al,20h
|
pascal@24015
|
820 cmp al,'a'
|
pascal@24015
|
821 jb @@notvga
|
pascal@24015
|
822 sub al,'o'
|
pascal@24015
|
823 @@vgaloop:
|
pascal@24015
|
824 dec cx
|
pascal@24015
|
825 add al,6
|
pascal@24015
|
826 jnb @@vgaloop ; vga=normal,extended,ask
|
pascal@24015
|
827 @@vga:
|
pascal@24015
|
828 xchg ax,cx
|
pascal@24015
|
829 ;cwd
|
pascal@24015
|
830 jmp @@end
|
pascal@24015
|
831 @@endstrtol:
|
pascal@24015
|
832 mov cl,10
|
pascal@24015
|
833 cmp al,'k'-'a'+10
|
pascal@24015
|
834 je @@shift
|
pascal@24015
|
835 mov cl,20
|
pascal@24015
|
836 cmp al,'m'-'a'+10
|
pascal@24015
|
837 je @@shift
|
pascal@24015
|
838 mov cl,30
|
pascal@24015
|
839 cmp al,'g'-'a'+10
|
pascal@24015
|
840 ifndef NO386
|
pascal@24015
|
841 jne @@noshift
|
pascal@24015
|
842 @@shift:
|
pascal@24015
|
843 shl ebx,cl
|
pascal@24015
|
844 @@noshift:
|
pascal@24015
|
845 popf
|
pascal@24015
|
846 jnc @@end2
|
pascal@24015
|
847 neg ebx
|
pascal@24015
|
848 @@end2:
|
pascal@24015
|
849 push ebx
|
pascal@24015
|
850 pop ax
|
pascal@24015
|
851 pop dx
|
pascal@24015
|
852 else
|
pascal@24015
|
853 @@shift:
|
pascal@24015
|
854 xchg ax,bx
|
pascal@24015
|
855 jne @@noshift
|
pascal@24015
|
856 extrn N_LXLSH@:near
|
pascal@24015
|
857 call N_LXLSH@
|
pascal@24015
|
858 @@noshift:
|
pascal@24015
|
859 popf
|
pascal@24015
|
860 jne @@end
|
pascal@24015
|
861 not dx
|
pascal@24015
|
862 neg ax
|
pascal@24015
|
863 jne @@end
|
pascal@24015
|
864 inc dx
|
pascal@24019
|
865 endif
|
pascal@24015
|
866 @@end:
|
pascal@23999
|
867 @@setnum:
|
pascal@24067
|
868 mov [di+2],dx
|
pascal@24067
|
869 @@setnum2:
|
pascal@23993
|
870 xchg ax,si
|
pascal@20751
|
871 @@done:
|
pascal@24067
|
872 or [di],si
|
pascal@23993
|
873 xchg ax,di
|
pascal@20751
|
874 @@nokeyword:
|
pascal@23993
|
875 pop di si bx
|
pascal@20751
|
876 ret
|
pascal@20751
|
877
|
pascal@24015
|
878 @@notvga:
|
pascal@24015
|
879 mov cl,10 ; radix
|
pascal@24015
|
880 cmp al,'-'
|
pascal@24015
|
881 jne @@radixkeep
|
pascal@24015
|
882 lodsb
|
pascal@24015
|
883 @@radixkeep:
|
pascal@24015
|
884 pushf
|
pascal@24015
|
885 cmp al,'0'
|
pascal@24015
|
886 jne @@radixok
|
pascal@24015
|
887 mov cl,8
|
pascal@24015
|
888 lodsb
|
pascal@24015
|
889 or al,20h
|
pascal@24015
|
890 cmp al,'x'
|
pascal@24015
|
891 jne @@radixok
|
pascal@24015
|
892 mov cl,16
|
pascal@24015
|
893 @@strtollp:
|
pascal@24015
|
894 lodsb
|
pascal@24015
|
895 @@radixok:
|
pascal@24015
|
896 or al,20h
|
pascal@24015
|
897 sub al,'0'
|
pascal@24015
|
898 jb @@endstrtol
|
pascal@24015
|
899 cmp al,9
|
pascal@24015
|
900 jbe @@digitok
|
pascal@24015
|
901 cmp al,'a'-'0'
|
pascal@24015
|
902 jb @@endstrtol
|
pascal@24015
|
903 sub al,'a'-'0'-10
|
pascal@24015
|
904 @@digitok:
|
pascal@24015
|
905 cmp al,cl
|
pascal@24015
|
906 jae @@endstrtol
|
pascal@24015
|
907 cbw
|
pascal@24015
|
908 ifndef NO386
|
pascal@24015
|
909 cwde
|
pascal@24015
|
910 xchg eax,ebx
|
pascal@24015
|
911 mul ecx
|
pascal@24015
|
912 add ebx,eax
|
pascal@24015
|
913 else
|
pascal@24015
|
914 push ax
|
pascal@24015
|
915 xchg ax,dx
|
pascal@24015
|
916 mul cx
|
pascal@24015
|
917 xchg ax,bx
|
pascal@24015
|
918 mul cx
|
pascal@24015
|
919 add dx,bx
|
pascal@24015
|
920 pop bx
|
pascal@24015
|
921 add bx,ax
|
pascal@24015
|
922 adc dx,0
|
pascal@24015
|
923 endif
|
pascal@24015
|
924 jmp @@strtollp
|
pascal@24015
|
925
|
pascal@20751
|
926 endp @argstr$qpxzcxt1ppxzc
|
pascal@20751
|
927
|
pascal@24162
|
928 ;===============================================================
|
pascal@24162
|
929
|
pascal@24162
|
930 ifdef VCPI
|
pascal@24162
|
931 p386
|
pascal@24162
|
932 ;***************************************************************
|
pascal@24162
|
933 ;u32* di=prev_bufv();
|
pascal@24162
|
934 ;u32* di=prev_bufv();
|
pascal@24162
|
935 ;***************************************************************
|
pascal@24162
|
936 global _prev_bufv:near
|
pascal@24162
|
937 global _next_bufv:near
|
pascal@24162
|
938 proc _prev_bufv near
|
pascal@24162
|
939
|
pascal@24162
|
940 mov al,-4
|
pascal@24162
|
941 db 0A9h ; test ax,imm
|
pascal@24162
|
942 _next_bufv:
|
pascal@24162
|
943 mov al,4
|
pascal@24162
|
944 cbw
|
pascal@24162
|
945 push si
|
pascal@24162
|
946 mov bx,0
|
pascal@24162
|
947 org $-2
|
pascal@24162
|
948 curdata dw ?
|
pascal@24162
|
949 add ax,[(data_himem bx).cacheidx] ; -4/+4
|
pascal@24162
|
950 mov si,0fffh
|
pascal@24162
|
951 and si,ax
|
pascal@24162
|
952 mov [(data_himem bx).cacheidx],si
|
pascal@24162
|
953 xor ecx,ecx
|
pascal@24162
|
954 sar ax,12-2
|
pascal@24163
|
955 test al,4
|
pascal@24162
|
956 jz @@gotpage ; neither -4 nor 4 ?
|
pascal@24162
|
957 add [(data_himem bx).pageidx],ax
|
pascal@24162
|
958 mov di,[(data_himem bx).pageidx]
|
pascal@24162
|
959 lea di,[(data_himem bx+di).page]
|
pascal@24162
|
960 mov edx,ds
|
pascal@24162
|
961 shl edx,4
|
pascal@24162
|
962 lea cx,[(data_himem bx).cache]
|
pascal@24162
|
963 add edx,ecx
|
pascal@24162
|
964 mov eax,[di]
|
pascal@24162
|
965 or eax,eax
|
pascal@24162
|
966 jz @@ret
|
pascal@24162
|
967 mov cx,4096 ; get page
|
pascal@24162
|
968 call memcpy_imagez ; memcpy_imagez(edx,eax,ecx)
|
pascal@24162
|
969 @@gotpage:
|
pascal@24162
|
970 lea ax,[(data_himem bx+si).cache]
|
pascal@24162
|
971 or si,[(data_himem bx).pageidx] ; !pageidx && !cacheidx
|
pascal@24162
|
972 jnz @@notfirst2
|
pascal@24162
|
973 xchg ax,bx ; &first
|
pascal@24162
|
974 @@notfirst2:
|
pascal@24162
|
975 xchg ax,di
|
pascal@24162
|
976 @@ret:
|
pascal@24162
|
977 pop si
|
pascal@24162
|
978 ret
|
pascal@24162
|
979
|
pascal@24162
|
980 endp _prev_bufv
|
pascal@24162
|
981 endif
|
pascal@24162
|
982
|
pascal@24162
|
983 ;===============================================================
|
pascal@24162
|
984
|
pascal@24162
|
985 ifdef NO386
|
pascal@24162
|
986 p8086
|
pascal@24162
|
987 endif
|
pascal@24162
|
988
|
pascal@24162
|
989 ;***************************************************************
|
pascal@24162
|
990 ;_fastcall void memcpy_image_initrd(si:struct image_himem *m);
|
pascal@24162
|
991 ;_fastcall void memcpy_image_kernel(si:struct image_himem *m);
|
pascal@24162
|
992 ;_fastcall void memcpy_image(bx:struct image_himem *m);
|
pascal@24162
|
993 ;***************************************************************
|
pascal@24162
|
994 global @memcpy_image_initrd$qv:near
|
pascal@24162
|
995 @memcpy_image_initrd$qv:
|
pascal@24162
|
996 lea bx,[si+size image_himem]
|
pascal@24162
|
997 db 0A9h ; test ax,imm
|
pascal@24162
|
998 global @memcpy_image_kernel$qv:near
|
pascal@24162
|
999 @memcpy_image_kernel$qv:
|
pascal@24162
|
1000 mov bx,si
|
pascal@24162
|
1001 proc @memcpy_image$qp11image_himem near
|
pascal@24162
|
1002
|
pascal@24162
|
1003 ifndef NO386
|
pascal@24162
|
1004 mov edx,[(image_himem bx).fallback]
|
pascal@24162
|
1005 mov eax,[(image_himem bx).buf]
|
pascal@24162
|
1006 cmp eax,edx ; if (m->fallback != m->buf)
|
pascal@24162
|
1007 jz @@skip ; memcpy32(m->fallback,0,m->buf,m->size)
|
pascal@24162
|
1008 mov ecx,[(image_himem bx).size]
|
pascal@24162
|
1009 else
|
pascal@24162
|
1010 les cx,[((image_himem bx).buf)]
|
pascal@24162
|
1011 mov dx,es
|
pascal@24162
|
1012 les ax,[((image_himem bx).fallback)]
|
pascal@24162
|
1013 ;cmp ax,cx ; if (m->fallback != m->buf)
|
pascal@24162
|
1014 ;jnz @@do
|
pascal@24162
|
1015 ;cmp dx,[word ((image_himem bx).fallback)+2]
|
pascal@24162
|
1016 ;jz @@skip ; memcpy32(m->fallback,0,m->buf,m->size)
|
pascal@24162
|
1017 @@do:
|
pascal@24162
|
1018 push [((image_himem bx).size)]
|
pascal@24162
|
1019 xor bx,bx
|
pascal@24162
|
1020 call_memcpy32: ; call_memcpy32(to=es:ax,fromseg=bx,fromofs=dx:cx,size)
|
pascal@24162
|
1021 push dx ; [word ((image_himem bx).buf)+2]
|
pascal@24162
|
1022 push cx ; [word ((image_himem bx).buf)]
|
pascal@24162
|
1023 push bx
|
pascal@24162
|
1024 push es ; push es:ax
|
pascal@24162
|
1025 push ax
|
pascal@24162
|
1026 jmp @@memcpy
|
pascal@24162
|
1027 endif
|
pascal@24162
|
1028 memcpy_imagez: ; memcpy_imagez(edx,eax,ecx)
|
pascal@24162
|
1029 p386
|
pascal@24162
|
1030 push ecx
|
pascal@24162
|
1031 push eax
|
pascal@24162
|
1032 push 0
|
pascal@24162
|
1033 ifndef NO386
|
pascal@24162
|
1034 call_memcpy32: ; call_memcpy32(to=edx,fromseg,fromofs,size)
|
pascal@24162
|
1035 endif
|
pascal@24162
|
1036 push edx
|
pascal@24162
|
1037 ifdef NO386
|
pascal@24162
|
1038 p8086
|
pascal@24162
|
1039 endif
|
pascal@24162
|
1040 @@memcpy:
|
pascal@24162
|
1041 extrn memcpy32:near
|
pascal@24162
|
1042 call near memcpy32
|
pascal@24162
|
1043 @@skip:
|
pascal@24162
|
1044 ret
|
pascal@24162
|
1045
|
pascal@24162
|
1046 global movedend:near
|
pascal@24162
|
1047 movedend:
|
pascal@24162
|
1048
|
pascal@24162
|
1049 endp @memcpy_image$qp11image_himem
|
pascal@24162
|
1050
|
pascal@24162
|
1051 ;***************************************************************
|
pascal@24162
|
1052 ;_fastcall void storepage(di:u32 *dst);
|
pascal@24162
|
1053 ;***************************************************************
|
pascal@24162
|
1054 global @storepage$qpul:near
|
pascal@24162
|
1055 proc @storepage$qpul near
|
pascal@24162
|
1056
|
pascal@24162
|
1057 ifndef NO386
|
pascal@24162
|
1058 mov edx,[di]
|
pascal@24162
|
1059 else
|
pascal@24162
|
1060 les ax,[dword di]
|
pascal@24162
|
1061 endif
|
pascal@24162
|
1062 mov cx,offset _buf4k
|
pascal@24162
|
1063 storepage: ; storepage(edx,cx)
|
pascal@24162
|
1064 ifndef NO386
|
pascal@24162
|
1065 push 0
|
pascal@24162
|
1066 push 4096
|
pascal@24162
|
1067 push 0
|
pascal@24162
|
1068 push cx
|
pascal@24162
|
1069 push ds ; call_memcpy32(to=edx,fromseg,fromofs,size)
|
pascal@24162
|
1070 else
|
pascal@24162
|
1071 xor dx,dx
|
pascal@24162
|
1072 push dx ; 0
|
pascal@24162
|
1073 mov bx,4096
|
pascal@24162
|
1074 push bx ; 4096
|
pascal@24162
|
1075 mov bx,ds ; call_memcpy32(to=es:ax,fromseg=bx,fromofs=dx:cx,size)
|
pascal@24162
|
1076 endif
|
pascal@24162
|
1077 jmp call_memcpy32
|
pascal@24162
|
1078
|
pascal@24162
|
1079 endp @storepage$qpul
|
pascal@24162
|
1080
|
pascal@24162
|
1081 ;===============================================================
|
pascal@24162
|
1082
|
pascal@24162
|
1083 ;***************************************************************
|
pascal@24162
|
1084 ;_fastcall void strcatb(bx:const char* a, ax:const char* b);
|
pascal@24162
|
1085 ;***************************************************************
|
pascal@24162
|
1086 global @strcatb$qpxzct1:near
|
pascal@24162
|
1087 proc @strcatb$qpxzct1 near
|
pascal@24162
|
1088
|
pascal@24162
|
1089 push si
|
pascal@24162
|
1090 xchg ax,si ; b
|
pascal@24162
|
1091 dec bx
|
pascal@24162
|
1092 @@catlp:
|
pascal@24162
|
1093 inc bx
|
pascal@24162
|
1094 cmp [byte bx],0 ; a=bx
|
pascal@24162
|
1095 jne @@catlp
|
pascal@24162
|
1096 db 0b8h,20h ; mov ax,??20h
|
pascal@24162
|
1097 @@cpylp:
|
pascal@24162
|
1098 lodsb
|
pascal@24162
|
1099 mov [bx],al
|
pascal@24162
|
1100 inc bx
|
pascal@24162
|
1101 or al,al
|
pascal@24162
|
1102 jne @@cpylp
|
pascal@24162
|
1103 pop si
|
pascal@24162
|
1104 ret
|
pascal@24162
|
1105
|
pascal@24162
|
1106 endp @strcatb$qpxzct1
|
pascal@24162
|
1107
|
pascal@19515
|
1108
|
pascal@19515
|
1109 ends _TEXT
|
pascal@19515
|
1110
|
pascal@19515
|
1111 end
|
pascal@19515
|
1112
|
pascal@19515
|
1113 ;###### END OF FILE ############################################
|
pascal@19825
|
1114
|