diff options
Diffstat (limited to 'apps/plugins/sdl/src/hermes/x86p_16.asm')
-rw-r--r-- | apps/plugins/sdl/src/hermes/x86p_16.asm | 490 |
1 files changed, 0 insertions, 490 deletions
diff --git a/apps/plugins/sdl/src/hermes/x86p_16.asm b/apps/plugins/sdl/src/hermes/x86p_16.asm deleted file mode 100644 index 1801bcd153..0000000000 --- a/apps/plugins/sdl/src/hermes/x86p_16.asm +++ /dev/null | |||
@@ -1,490 +0,0 @@ | |||
1 | ; | ||
2 | ; x86 format converters for HERMES | ||
3 | ; Copyright (c) 1998 Glenn Fielder (gaffer@gaffer.org) | ||
4 | ; This source code is licensed under the GNU LGPL | ||
5 | ; | ||
6 | ; Please refer to the file COPYING.LIB contained in the distribution for | ||
7 | ; licensing conditions | ||
8 | ; | ||
9 | ; Routines adjusted for Hermes by Christian Nentwich (brn@eleet.mcb.at) | ||
10 | ; Used with permission. | ||
11 | ; | ||
12 | |||
13 | BITS 32 | ||
14 | |||
15 | %include "common.inc" | ||
16 | |||
17 | SDL_FUNC _ConvertX86p16_16BGR565 | ||
18 | SDL_FUNC _ConvertX86p16_16RGB555 | ||
19 | SDL_FUNC _ConvertX86p16_16BGR555 | ||
20 | SDL_FUNC _ConvertX86p16_8RGB332 | ||
21 | |||
22 | EXTERN _ConvertX86 | ||
23 | |||
24 | SECTION .text | ||
25 | |||
26 | _ConvertX86p16_16BGR565: | ||
27 | |||
28 | ; check short | ||
29 | cmp ecx,BYTE 16 | ||
30 | ja .L3 | ||
31 | |||
32 | |||
33 | .L1: ; short loop | ||
34 | mov al,[esi] | ||
35 | mov ah,[esi+1] | ||
36 | mov ebx,eax | ||
37 | mov edx,eax | ||
38 | shr eax,11 | ||
39 | and eax,BYTE 11111b | ||
40 | and ebx,11111100000b | ||
41 | shl edx,11 | ||
42 | add eax,ebx | ||
43 | add eax,edx | ||
44 | mov [edi],al | ||
45 | mov [edi+1],ah | ||
46 | add esi,BYTE 2 | ||
47 | add edi,BYTE 2 | ||
48 | dec ecx | ||
49 | jnz .L1 | ||
50 | .L2: | ||
51 | retn | ||
52 | |||
53 | .L3: ; head | ||
54 | mov eax,edi | ||
55 | and eax,BYTE 11b | ||
56 | jz .L4 | ||
57 | mov al,[esi] | ||
58 | mov ah,[esi+1] | ||
59 | mov ebx,eax | ||
60 | mov edx,eax | ||
61 | shr eax,11 | ||
62 | and eax,BYTE 11111b | ||
63 | and ebx,11111100000b | ||
64 | shl edx,11 | ||
65 | add eax,ebx | ||
66 | add eax,edx | ||
67 | mov [edi],al | ||
68 | mov [edi+1],ah | ||
69 | add esi,BYTE 2 | ||
70 | add edi,BYTE 2 | ||
71 | dec ecx | ||
72 | |||
73 | .L4: ; save count | ||
74 | push ecx | ||
75 | |||
76 | ; unroll twice | ||
77 | shr ecx,1 | ||
78 | |||
79 | ; point arrays to end | ||
80 | lea esi,[esi+ecx*4] | ||
81 | lea edi,[edi+ecx*4] | ||
82 | |||
83 | ; negative counter | ||
84 | neg ecx | ||
85 | jmp SHORT .L6 | ||
86 | |||
87 | .L5: mov [edi+ecx*4-4],eax | ||
88 | .L6: mov eax,[esi+ecx*4] | ||
89 | |||
90 | mov ebx,[esi+ecx*4] | ||
91 | and eax,07E007E0h | ||
92 | |||
93 | mov edx,[esi+ecx*4] | ||
94 | and ebx,0F800F800h | ||
95 | |||
96 | shr ebx,11 | ||
97 | and edx,001F001Fh | ||
98 | |||
99 | shl edx,11 | ||
100 | add eax,ebx | ||
101 | |||
102 | add eax,edx | ||
103 | inc ecx | ||
104 | |||
105 | jnz .L5 | ||
106 | |||
107 | mov [edi+ecx*4-4],eax | ||
108 | |||
109 | ; tail | ||
110 | pop ecx | ||
111 | and ecx,BYTE 1 | ||
112 | jz .L7 | ||
113 | mov al,[esi] | ||
114 | mov ah,[esi+1] | ||
115 | mov ebx,eax | ||
116 | mov edx,eax | ||
117 | shr eax,11 | ||
118 | and eax,BYTE 11111b | ||
119 | and ebx,11111100000b | ||
120 | shl edx,11 | ||
121 | add eax,ebx | ||
122 | add eax,edx | ||
123 | mov [edi],al | ||
124 | mov [edi+1],ah | ||
125 | add esi,BYTE 2 | ||
126 | add edi,BYTE 2 | ||
127 | |||
128 | .L7: | ||
129 | retn | ||
130 | |||
131 | |||
132 | |||
133 | |||
134 | |||
135 | |||
136 | _ConvertX86p16_16RGB555: | ||
137 | |||
138 | ; check short | ||
139 | cmp ecx,BYTE 32 | ||
140 | ja .L3 | ||
141 | |||
142 | |||
143 | .L1: ; short loop | ||
144 | mov al,[esi] | ||
145 | mov ah,[esi+1] | ||
146 | mov ebx,eax | ||
147 | shr ebx,1 | ||
148 | and ebx, 0111111111100000b | ||
149 | and eax,BYTE 0000000000011111b | ||
150 | add eax,ebx | ||
151 | mov [edi],al | ||
152 | mov [edi+1],ah | ||
153 | add esi,BYTE 2 | ||
154 | add edi,BYTE 2 | ||
155 | dec ecx | ||
156 | jnz .L1 | ||
157 | .L2: | ||
158 | retn | ||
159 | |||
160 | .L3: ; head | ||
161 | mov eax,edi | ||
162 | and eax,BYTE 11b | ||
163 | jz .L4 | ||
164 | mov al,[esi] | ||
165 | mov ah,[esi+1] | ||
166 | mov ebx,eax | ||
167 | shr ebx,1 | ||
168 | and ebx, 0111111111100000b | ||
169 | and eax,BYTE 0000000000011111b | ||
170 | add eax,ebx | ||
171 | mov [edi],al | ||
172 | mov [edi+1],ah | ||
173 | add esi,BYTE 2 | ||
174 | add edi,BYTE 2 | ||
175 | dec ecx | ||
176 | |||
177 | .L4: ; save ebp | ||
178 | push ebp | ||
179 | |||
180 | ; save count | ||
181 | push ecx | ||
182 | |||
183 | ; unroll four times | ||
184 | shr ecx,2 | ||
185 | |||
186 | ; point arrays to end | ||
187 | lea esi,[esi+ecx*8] | ||
188 | lea edi,[edi+ecx*8] | ||
189 | |||
190 | ; negative counter | ||
191 | xor ebp,ebp | ||
192 | sub ebp,ecx | ||
193 | |||
194 | .L5: mov eax,[esi+ebp*8] ; agi? | ||
195 | mov ecx,[esi+ebp*8+4] | ||
196 | |||
197 | mov ebx,eax | ||
198 | mov edx,ecx | ||
199 | |||
200 | and eax,0FFC0FFC0h | ||
201 | and ecx,0FFC0FFC0h | ||
202 | |||
203 | shr eax,1 | ||
204 | and ebx,001F001Fh | ||
205 | |||
206 | shr ecx,1 | ||
207 | and edx,001F001Fh | ||
208 | |||
209 | add eax,ebx | ||
210 | add ecx,edx | ||
211 | |||
212 | mov [edi+ebp*8],eax | ||
213 | mov [edi+ebp*8+4],ecx | ||
214 | |||
215 | inc ebp | ||
216 | jnz .L5 | ||
217 | |||
218 | ; tail | ||
219 | pop ecx | ||
220 | .L6: and ecx,BYTE 11b | ||
221 | jz .L7 | ||
222 | mov al,[esi] | ||
223 | mov ah,[esi+1] | ||
224 | mov ebx,eax | ||
225 | shr ebx,1 | ||
226 | and ebx, 0111111111100000b | ||
227 | and eax,BYTE 0000000000011111b | ||
228 | add eax,ebx | ||
229 | mov [edi],al | ||
230 | mov [edi+1],ah | ||
231 | add esi,BYTE 2 | ||
232 | add edi,BYTE 2 | ||
233 | dec ecx | ||
234 | jmp SHORT .L6 | ||
235 | |||
236 | .L7: pop ebp | ||
237 | retn | ||
238 | |||
239 | |||
240 | |||
241 | |||
242 | |||
243 | |||
244 | _ConvertX86p16_16BGR555: | ||
245 | |||
246 | ; check short | ||
247 | cmp ecx,BYTE 16 | ||
248 | ja .L3 | ||
249 | |||
250 | |||
251 | .L1: ; short loop | ||
252 | mov al,[esi] | ||
253 | mov ah,[esi+1] | ||
254 | mov ebx,eax | ||
255 | mov edx,eax | ||
256 | shr eax,11 | ||
257 | and eax,BYTE 11111b | ||
258 | shr ebx,1 | ||
259 | and ebx,1111100000b | ||
260 | shl edx,10 | ||
261 | and edx,0111110000000000b | ||
262 | add eax,ebx | ||
263 | add eax,edx | ||
264 | mov [edi],al | ||
265 | mov [edi+1],ah | ||
266 | add esi,BYTE 2 | ||
267 | add edi,BYTE 2 | ||
268 | dec ecx | ||
269 | jnz .L1 | ||
270 | .L2: | ||
271 | retn | ||
272 | |||
273 | .L3: ; head | ||
274 | mov eax,edi | ||
275 | and eax,BYTE 11b | ||
276 | jz .L4 | ||
277 | mov al,[esi] | ||
278 | mov ah,[esi+1] | ||
279 | mov ebx,eax | ||
280 | mov edx,eax | ||
281 | shr eax,11 | ||
282 | and eax,BYTE 11111b | ||
283 | shr ebx,1 | ||
284 | and ebx,1111100000b | ||
285 | shl edx,10 | ||
286 | and edx,0111110000000000b | ||
287 | add eax,ebx | ||
288 | add eax,edx | ||
289 | mov [edi],al | ||
290 | mov [edi+1],ah | ||
291 | add esi,BYTE 2 | ||
292 | add edi,BYTE 2 | ||
293 | dec ecx | ||
294 | |||
295 | .L4: ; save count | ||
296 | push ecx | ||
297 | |||
298 | ; unroll twice | ||
299 | shr ecx,1 | ||
300 | |||
301 | ; point arrays to end | ||
302 | lea esi,[esi+ecx*4] | ||
303 | lea edi,[edi+ecx*4] | ||
304 | |||
305 | ; negative counter | ||
306 | neg ecx | ||
307 | jmp SHORT .L6 | ||
308 | |||
309 | .L5: mov [edi+ecx*4-4],eax | ||
310 | .L6: mov eax,[esi+ecx*4] | ||
311 | |||
312 | shr eax,1 | ||
313 | mov ebx,[esi+ecx*4] | ||
314 | |||
315 | and eax,03E003E0h | ||
316 | mov edx,[esi+ecx*4] | ||
317 | |||
318 | and ebx,0F800F800h | ||
319 | |||
320 | shr ebx,11 | ||
321 | and edx,001F001Fh | ||
322 | |||
323 | shl edx,10 | ||
324 | add eax,ebx | ||
325 | |||
326 | add eax,edx | ||
327 | inc ecx | ||
328 | |||
329 | jnz .L5 | ||
330 | |||
331 | mov [edi+ecx*4-4],eax | ||
332 | |||
333 | ; tail | ||
334 | pop ecx | ||
335 | and ecx,BYTE 1 | ||
336 | jz .L7 | ||
337 | mov al,[esi] | ||
338 | mov ah,[esi+1] | ||
339 | mov ebx,eax | ||
340 | mov edx,eax | ||
341 | shr eax,11 | ||
342 | and eax,BYTE 11111b | ||
343 | shr ebx,1 | ||
344 | and ebx,1111100000b | ||
345 | shl edx,10 | ||
346 | and edx,0111110000000000b | ||
347 | add eax,ebx | ||
348 | add eax,edx | ||
349 | mov [edi],al | ||
350 | mov [edi+1],ah | ||
351 | add esi,BYTE 2 | ||
352 | add edi,BYTE 2 | ||
353 | |||
354 | .L7: | ||
355 | retn | ||
356 | |||
357 | |||
358 | |||
359 | |||
360 | |||
361 | |||
362 | _ConvertX86p16_8RGB332: | ||
363 | |||
364 | ; check short | ||
365 | cmp ecx,BYTE 16 | ||
366 | ja .L3 | ||
367 | |||
368 | |||
369 | .L1: ; short loop | ||
370 | mov al,[esi+0] | ||
371 | mov ah,[esi+1] | ||
372 | mov ebx,eax | ||
373 | mov edx,eax | ||
374 | and eax,BYTE 11000b ; blue | ||
375 | shr eax,3 | ||
376 | and ebx,11100000000b ; green | ||
377 | shr ebx,6 | ||
378 | and edx,1110000000000000b ; red | ||
379 | shr edx,8 | ||
380 | add eax,ebx | ||
381 | add eax,edx | ||
382 | mov [edi],al | ||
383 | add esi,BYTE 2 | ||
384 | inc edi | ||
385 | dec ecx | ||
386 | jnz .L1 | ||
387 | .L2: | ||
388 | retn | ||
389 | |||
390 | .L3: mov eax,edi | ||
391 | and eax,BYTE 11b | ||
392 | jz .L4 | ||
393 | mov al,[esi+0] | ||
394 | mov ah,[esi+1] | ||
395 | mov ebx,eax | ||
396 | mov edx,eax | ||
397 | and eax,BYTE 11000b ; blue | ||
398 | shr eax,3 | ||
399 | and ebx,11100000000b ; green | ||
400 | shr ebx,6 | ||
401 | and edx,1110000000000000b ; red | ||
402 | shr edx,8 | ||
403 | add eax,ebx | ||
404 | add eax,edx | ||
405 | mov [edi],al | ||
406 | add esi,BYTE 2 | ||
407 | inc edi | ||
408 | dec ecx | ||
409 | jmp SHORT .L3 | ||
410 | |||
411 | .L4: ; save ebp | ||
412 | push ebp | ||
413 | |||
414 | ; save count | ||
415 | push ecx | ||
416 | |||
417 | ; unroll 4 times | ||
418 | shr ecx,2 | ||
419 | |||
420 | ; prestep | ||
421 | mov dl,[esi+0] | ||
422 | mov bl,[esi+1] | ||
423 | mov dh,[esi+2] | ||
424 | |||
425 | .L5: shl edx,16 | ||
426 | mov bh,[esi+3] | ||
427 | |||
428 | shl ebx,16 | ||
429 | mov dl,[esi+4] | ||
430 | |||
431 | mov dh,[esi+6] | ||
432 | mov bl,[esi+5] | ||
433 | |||
434 | and edx,00011000000110000001100000011000b | ||
435 | mov bh,[esi+7] | ||
436 | |||
437 | ror edx,16+3 | ||
438 | mov eax,ebx ; setup eax for reds | ||
439 | |||
440 | and ebx,00000111000001110000011100000111b | ||
441 | and eax,11100000111000001110000011100000b ; reds | ||
442 | |||
443 | ror ebx,16-2 | ||
444 | add esi,BYTE 8 | ||
445 | |||
446 | ror eax,16 | ||
447 | add edi,BYTE 4 | ||
448 | |||
449 | add eax,ebx | ||
450 | mov bl,[esi+1] ; greens | ||
451 | |||
452 | add eax,edx | ||
453 | mov dl,[esi+0] ; blues | ||
454 | |||
455 | mov [edi-4],eax | ||
456 | mov dh,[esi+2] | ||
457 | |||
458 | dec ecx | ||
459 | jnz .L5 | ||
460 | |||
461 | ; check tail | ||
462 | pop ecx | ||
463 | and ecx,BYTE 11b | ||
464 | jz .L7 | ||
465 | |||
466 | .L6: ; tail | ||
467 | mov al,[esi+0] | ||
468 | mov ah,[esi+1] | ||
469 | mov ebx,eax | ||
470 | mov edx,eax | ||
471 | and eax,BYTE 11000b ; blue | ||
472 | shr eax,3 | ||
473 | and ebx,11100000000b ; green | ||
474 | shr ebx,6 | ||
475 | and edx,1110000000000000b ; red | ||
476 | shr edx,8 | ||
477 | add eax,ebx | ||
478 | add eax,edx | ||
479 | mov [edi],al | ||
480 | add esi,BYTE 2 | ||
481 | inc edi | ||
482 | dec ecx | ||
483 | jnz .L6 | ||
484 | |||
485 | .L7: pop ebp | ||
486 | retn | ||
487 | |||
488 | %ifidn __OUTPUT_FORMAT__,elf32 | ||
489 | section .note.GNU-stack noalloc noexec nowrite progbits | ||
490 | %endif | ||