| ca482e5d |
1 | @ vim:filetype=armasm\r |
| cc68a136 |
2 | @ some color conversion and blitting routines\r |
| 3 | \r |
| 4 | @ (c) Copyright 2006, notaz\r |
| 5 | @ All Rights Reserved\r |
| 6 | \r |
| 7 | \r |
| 8 | @ Convert 0000bbb0 ggg0rrr0 0000bbb0 ggg0rrr0\r |
| 9 | @ to 00000000 rrr00000 ggg00000 bbb00000 ...\r |
| 10 | \r |
| 11 | @ lr = 0x00e000e0, out: r3=lower_pix, r2=higher_pix; trashes rin\r |
| 12 | @ if sh==2, r8=0x00404040 (sh!=0 destroys flags!)\r |
| 13 | .macro convRGB32_2 rin sh=0\r |
| 14 | and r2, lr, \rin, lsr #4 @ blue\r |
| 15 | and r3, \rin, lr\r |
| 16 | orr r2, r2, r3, lsl #8 @ g0b0g0b0\r |
| 17 | \r |
| 18 | mov r3, r2, lsl #16 @ g0b00000\r |
| 19 | and \rin,lr, \rin, ror #12 @ 00r000r0 (reversed)\r |
| 20 | orr r3, r3, \rin, lsr #16 @ g0b000r0\r |
| 21 | .if \sh == 1\r |
| 22 | mov r3, r3, ror #17 @ shadow mode\r |
| 23 | .elseif \sh == 2\r |
| 24 | adds r3, r3, #0x40000000 @ green\r |
| 25 | orrcs r3, r3, #0xe0000000\r |
| 26 | mov r3, r3, ror #8\r |
| 27 | adds r3, r3, #0x40000000\r |
| 28 | orrcs r3, r3, #0xe0000000\r |
| 29 | mov r3, r3, ror #16\r |
| 30 | adds r3, r3, #0x40000000\r |
| 31 | orrcs r3, r3, #0xe0000000\r |
| 32 | mov r3, r3, ror #24\r |
| 33 | orr r3, r3, r3, lsr #3\r |
| 34 | .else\r |
| 35 | mov r3, r3, ror #16 @ r3=low\r |
| 36 | orr r3, r3, r3, lsr #3\r |
| 37 | .endif\r |
| 38 | \r |
| 39 | str r3, [r0], #4\r |
| 40 | \r |
| 41 | mov r2, r2, lsr #16\r |
| 42 | orr r2, r2, \rin, lsl #16\r |
| 43 | .if \sh == 1\r |
| 44 | mov r2, r2, lsr #1\r |
| 45 | .elseif \sh == 2\r |
| 46 | mov r2, r2, ror #8\r |
| 47 | adds r2, r2, #0x40000000 @ blue\r |
| 48 | orrcs r2, r2, #0xe0000000\r |
| 49 | mov r2, r2, ror #8\r |
| 50 | adds r2, r2, #0x40000000\r |
| 51 | orrcs r2, r2, #0xe0000000\r |
| 52 | mov r2, r2, ror #8\r |
| 53 | adds r2, r2, #0x40000000\r |
| 54 | orrcs r2, r2, #0xe0000000\r |
| 55 | mov r2, r2, ror #8\r |
| 56 | orr r2, r2, r2, lsr #3\r |
| 57 | .else\r |
| 58 | orr r2, r2, r2, lsr #3\r |
| 59 | .endif\r |
| 60 | \r |
| 61 | str r2, [r0], #4\r |
| 62 | .endm\r |
| 63 | \r |
| 64 | \r |
| 65 | .global vidConvCpyRGB32 @ void *to, void *from, int pixels\r |
| 66 | \r |
| 67 | vidConvCpyRGB32:\r |
| 68 | stmfd sp!, {r4-r7,lr}\r |
| 69 | \r |
| 70 | mov r12, r2, lsr #3 @ repeats\r |
| 71 | mov lr, #0x00e00000\r |
| 72 | orr lr, lr, #0x00e0\r |
| 73 | \r |
| 74 | .loopRGB32:\r |
| 75 | subs r12, r12, #1\r |
| 76 | \r |
| 77 | ldmia r1!, {r4-r7}\r |
| 78 | convRGB32_2 r4\r |
| 79 | convRGB32_2 r5\r |
| 80 | convRGB32_2 r6\r |
| 81 | convRGB32_2 r7\r |
| 82 | \r |
| 83 | bgt .loopRGB32\r |
| 84 | \r |
| 85 | ldmfd sp!, {r4-r7,lr}\r |
| 86 | bx lr\r |
| 87 | \r |
| 88 | \r |
| 89 | .global vidConvCpyRGB32sh @ void *to, void *from, int pixels\r |
| 90 | \r |
| 91 | vidConvCpyRGB32sh:\r |
| 92 | stmfd sp!, {r4-r7,lr}\r |
| 93 | \r |
| 94 | mov r12, r2, lsr #3 @ repeats\r |
| 95 | mov lr, #0x00e00000\r |
| 96 | orr lr, lr, #0x00e0\r |
| 97 | \r |
| 98 | .loopRGB32sh:\r |
| 99 | subs r12, r12, #1\r |
| 100 | \r |
| 101 | ldmia r1!, {r4-r7}\r |
| 102 | convRGB32_2 r4, 1\r |
| 103 | convRGB32_2 r5, 1\r |
| 104 | convRGB32_2 r6, 1\r |
| 105 | convRGB32_2 r7, 1\r |
| 106 | \r |
| 107 | bgt .loopRGB32sh\r |
| 108 | \r |
| 109 | ldmfd sp!, {r4-r7,lr}\r |
| 110 | bx lr\r |
| 111 | \r |
| 112 | \r |
| 113 | .global vidConvCpyRGB32hi @ void *to, void *from, int pixels\r |
| 114 | \r |
| 115 | vidConvCpyRGB32hi:\r |
| 116 | stmfd sp!, {r4-r7,lr}\r |
| 117 | \r |
| 118 | mov r12, r2, lsr #3 @ repeats\r |
| 119 | mov lr, #0x00e00000\r |
| 120 | orr lr, lr, #0x00e0\r |
| 121 | \r |
| 122 | .loopRGB32hi:\r |
| 123 | ldmia r1!, {r4-r7}\r |
| 124 | convRGB32_2 r4, 2\r |
| 125 | convRGB32_2 r5, 2\r |
| 126 | convRGB32_2 r6, 2\r |
| 127 | convRGB32_2 r7, 2\r |
| 128 | \r |
| 129 | subs r12, r12, #1\r |
| 130 | bgt .loopRGB32hi\r |
| 131 | \r |
| 132 | ldmfd sp!, {r4-r7,lr}\r |
| 133 | bx lr\r |
| 134 | \r |
| 135 | \r |
| 136 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| 137 | \r |
| 138 | @ -------- M2 stuff ---------\r |
| 139 | /*\r |
| 140 | .global vidConvCpy_90 @ void *to, void *from, int width\r |
| 141 | \r |
| 142 | vidConvCpy_90:\r |
| 143 | stmfd sp!, {r4-r10,lr}\r |
| 144 | \r |
| 145 | mov lr, #0x00F00000\r |
| 146 | orr lr, lr, #0x00F0\r |
| 147 | \r |
| 148 | mov r12, #224/4 @ row counter\r |
| 149 | mov r10, r2, lsl #2 @ we do 2 pixel wide copies\r |
| 150 | \r |
| 151 | add r8, r0, #256*4 @ parallel line\r |
| 152 | add r1, r1, #0x23000\r |
| 153 | add r1, r1, #0x00B80 @ r1+=328*223*2+8*2\r |
| 154 | mov r9, r1\r |
| 155 | \r |
| 156 | mov r4, #0 @ fill bottom border\r |
| 157 | mov r5, #0\r |
| 158 | mov r6, #0\r |
| 159 | mov r7, #0\r |
| 160 | stmia r0!, {r4-r7}\r |
| 161 | stmia r0!, {r4-r7}\r |
| 162 | stmia r8!, {r4-r7}\r |
| 163 | stmia r8!, {r4-r7}\r |
| 164 | \r |
| 165 | .loopM2RGB32_90:\r |
| 166 | subs r12, r12, #1\r |
| 167 | \r |
| 168 | @ at first this loop was written differently: src pixels were fetched with ldm's and\r |
| 169 | @ dest was not sequential. It ran nearly 2 times slower. It seems it is very important\r |
| 170 | @ to do sequential memory access on those items, which we have more (to offload addressing bus?).\r |
| 171 | \r |
| 172 | ldr r4, [r1], #-328*2\r |
| 173 | ldr r5, [r1], #-328*2\r |
| 174 | ldr r6, [r1], #-328*2\r |
| 175 | ldr r7, [r1], #-328*2\r |
| 176 | \r |
| 177 | convRGB32_2 r4, 1\r |
| 178 | convRGB32_2 r5, 1\r |
| 179 | convRGB32_2 r6, 1\r |
| 180 | convRGB32_2 r7, 1\r |
| 181 | \r |
| 182 | str r4, [r8], #4\r |
| 183 | str r5, [r8], #4\r |
| 184 | str r6, [r8], #4\r |
| 185 | str r7, [r8], #4\r |
| 186 | \r |
| 187 | bne .loopM2RGB32_90\r |
| 188 | \r |
| 189 | mov r4, #0 @ top border\r |
| 190 | mov r5, #0\r |
| 191 | mov r6, #0\r |
| 192 | stmia r0!, {r4-r6,r12}\r |
| 193 | stmia r0!, {r4-r6,r12}\r |
| 194 | stmia r8!, {r4-r6,r12}\r |
| 195 | stmia r8!, {r4-r6,r12}\r |
| 196 | \r |
| 197 | subs r10, r10, #1\r |
| 198 | ldmeqfd sp!, {r4-r10,pc} @ return\r |
| 199 | \r |
| 200 | add r0, r8, #16*4 @ set new dst pointer\r |
| 201 | add r8, r0, #256*4\r |
| 202 | add r9, r9, #2*2 @ fix src pointer\r |
| 203 | mov r1, r9\r |
| 204 | \r |
| 205 | stmia r0!, {r4-r6,r12} @ bottom border\r |
| 206 | stmia r0!, {r4-r6,r12}\r |
| 207 | stmia r8!, {r4-r6,r12}\r |
| 208 | stmia r8!, {r4-r6,r12}\r |
| 209 | \r |
| 210 | mov r12, #224/4 @ restore row counter\r |
| 211 | b .loopM2RGB32_90\r |
| 212 | \r |
| 213 | \r |
| 214 | \r |
| 215 | @ converter for vidConvCpy_270\r |
| 216 | @ lr = 0x00F000F0, out: r3=lower_pix, r2=higher_pix; trashes rin\r |
| 217 | .macro convRGB32_3 rin\r |
| 218 | and r2, lr, \rin, lsr #4 @ blue\r |
| 219 | and r3, \rin, lr\r |
| 220 | orr r2, r2, r3, lsl #8 @ g0b0g0b0\r |
| 221 | \r |
| 222 | mov r3, r2, lsl #16 @ g0b00000\r |
| 223 | and \rin,lr, \rin, ror #12 @ 00r000r0 (reversed)\r |
| 224 | orr r3, r3, \rin, lsr #16 @ g0b000r0\r |
| 225 | \r |
| 226 | mov r2, r2, lsr #16\r |
| 227 | orr r2, r2, \rin, lsl #16\r |
| 228 | str r2, [r0], #4\r |
| 229 | \r |
| 230 | mov \rin,r3, ror #16 @ r3=low\r |
| 231 | .endm\r |
| 232 | */\r |
| 233 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| 234 | \r |
| 235 | \r |
| 236 | @ takes byte-sized pixels from r3-r6, fetches from pal and stores to r7,r8,r10,lr\r |
| 237 | @ r2=pal\r |
| 238 | .macro mode2_4pix shift\r |
| 239 | and r7, r11, r3, lsr #\shift\r |
| 240 | ldr r7, [r2, r7, lsl #2]\r |
| 241 | \r |
| 242 | and r8, r11, r4, lsr #\shift\r |
| 243 | ldr r8, [r2, r8, lsl #2]\r |
| 244 | \r |
| 245 | and r10,r11, r5, lsr #\shift\r |
| 246 | ldr r10,[r2, r10,lsl #2]\r |
| 247 | \r |
| 248 | and lr, r11, r6, lsr #\shift\r |
| 249 | ldr lr, [r2, lr, lsl #2]\r |
| 250 | .endm\r |
| 251 | \r |
| 252 | @ r2=pal, r11=0xff\r |
| 253 | .macro mode2_4pix_getpix0 dreg sreg\r |
| 254 | and \dreg, r11, \sreg\r |
| 255 | ldr \dreg, [r2, \dreg, lsl #2]\r |
| 256 | .endm\r |
| 257 | \r |
| 258 | .macro mode2_4pix_getpix1 dreg sreg\r |
| 259 | and \dreg, r11, \sreg, lsr #8\r |
| 260 | ldr \dreg, [r2, \dreg, lsl #2]\r |
| 261 | .endm\r |
| 262 | \r |
| 263 | .macro mode2_4pix_getpix2 dreg sreg\r |
| 264 | and \dreg, r11, \sreg, lsr #16\r |
| 265 | ldr \dreg, [r2, \dreg, lsl #2]\r |
| 266 | .endm\r |
| 267 | \r |
| 268 | .macro mode2_4pix_getpix3 dreg sreg\r |
| 269 | and \dreg, r11, \sreg, lsr #24\r |
| 270 | ldr \dreg, [r2, \dreg, lsl #2]\r |
| 271 | .endm\r |
| 272 | \r |
| 273 | @ takes byte-sized pixels from reg, fetches from pal and stores to r3-r6\r |
| 274 | @ r11=0xFF, r2=pal\r |
| 275 | .macro mode2_4pix2_0 reg\r |
| 276 | mode2_4pix_getpix0 r3, \reg\r |
| 277 | mode2_4pix_getpix1 r4, \reg\r |
| 278 | mode2_4pix_getpix2 r5, \reg\r |
| 279 | mode2_4pix_getpix3 r6, \reg\r |
| 280 | .endm\r |
| 281 | \r |
| 282 | @ ...\r |
| 283 | .macro mode2_4pix2_180 reg\r |
| 284 | mode2_4pix_getpix3 r3, \reg\r |
| 285 | mode2_4pix_getpix2 r4, \reg\r |
| 286 | mode2_4pix_getpix1 r5, \reg\r |
| 287 | mode2_4pix_getpix0 r6, \reg\r |
| 288 | .endm\r |
| 289 | \r |
| 290 | @ takes byte-sized pixels from reg, fetches from pal and stores to r3-r5\r |
| 291 | @ r11=0xFF, r2=pal, r10=0xfcfcfc, r6=tmp\r |
| 292 | .macro mode2_4pix_to3 reg is180\r |
| 293 | .if \is180\r |
| 294 | mode2_4pix_getpix3 r3, \reg\r |
| 295 | mode2_4pix_getpix2 r4, \reg\r |
| 296 | .else\r |
| 297 | mode2_4pix_getpix0 r3, \reg @ gathering loads cause a weird-hang\r |
| 298 | mode2_4pix_getpix1 r4, \reg\r |
| 299 | .endif\r |
| 300 | \r |
| 301 | sub r3, r3, r3, lsr #2 @ r3 *= 0.75\r |
| 302 | add r3, r3, r4, lsr #2 @ r3 += r4 * 0.25\r |
| 303 | and r3, r3, r10\r |
| 304 | \r |
| 305 | .if \is180\r |
| 306 | mode2_4pix_getpix1 r5, \reg\r |
| 307 | mode2_4pix_getpix0 r6, \reg\r |
| 308 | .else\r |
| 309 | mode2_4pix_getpix2 r5, \reg\r |
| 310 | mode2_4pix_getpix3 r6, \reg\r |
| 311 | .endif\r |
| 312 | \r |
| 313 | mov r4, r4, lsr #1\r |
| 314 | add r4, r4, r5, lsr #1 @ r4 = (r4 + r5) / 2;\r |
| 315 | @ and r4, r4, r10\r |
| 316 | sub r6, r6, r6, lsr #2 @ r6 *= 0.75\r |
| 317 | add r5, r6, r5, lsr #2 @ r5 = r6 + r5 * 0.25\r |
| 318 | and r5, r5, r10\r |
| 319 | .endm\r |
| 320 | \r |
| 321 | \r |
| 322 | @ void *to, void *from, void *pal, int width\r |
| 323 | .macro vidConvCpyM2_landscape is270\r |
| 324 | stmfd sp!, {r4-r11,lr}\r |
| 325 | \r |
| 326 | mov r11, #0xff\r |
| 327 | \r |
| 328 | mov r12, #(224/4-1)<<16 @ row counter\r |
| 329 | orr r12, r12, r3, lsl #1 @ we do 4 pixel wide copies (right to left)\r |
| 330 | \r |
| 331 | .if \is270\r |
| 332 | add r1, r1, #324\r |
| 333 | .else\r |
| 334 | add r1, r1, #0x11c00\r |
| 335 | add r1, r1, #0x00308 @ 328*224+8\r |
| 336 | .endif\r |
| 337 | mov r9, r1\r |
| 338 | \r |
| 339 | mov r3, #0 @ fill top border\r |
| 340 | mov r4, #0\r |
| 341 | mov r5, #0\r |
| 342 | mov r6, #0\r |
| 343 | stmia r0!, {r3-r6}\r |
| 344 | stmia r0!, {r3-r6}\r |
| 345 | add r7, r0, #256*4-8*4\r |
| 346 | stmia r7!, {r3-r6}\r |
| 347 | stmia r7!, {r3-r6}\r |
| 348 | add r7, r7, #256*4-8*4\r |
| 349 | stmia r7!, {r3-r6}\r |
| 350 | stmia r7!, {r3-r6}\r |
| 351 | add r7, r7, #256*4-8*4\r |
| 352 | stmia r7!, {r3-r6}\r |
| 353 | stmia r7!, {r3-r6}\r |
| 354 | \r |
| 355 | 0: @ .loopM2RGB32_270:\r |
| 356 | subs r12, r12, #1<<16\r |
| 357 | \r |
| 358 | .if \is270\r |
| 359 | ldr r3, [r1], #328\r |
| 360 | ldr r4, [r1], #328\r |
| 361 | ldr r5, [r1], #328\r |
| 362 | ldr r6, [r1], #328\r |
| 363 | .else\r |
| 364 | ldr r3, [r1, #-328]!\r |
| 365 | ldr r4, [r1, #-328]!\r |
| 366 | ldr r5, [r1, #-328]!\r |
| 367 | ldr r6, [r1, #-328]!\r |
| 368 | .endif\r |
| 369 | \r |
| 370 | .if \is270\r |
| 371 | mode2_4pix 24\r |
| 372 | .else\r |
| 373 | mode2_4pix 0\r |
| 374 | .endif\r |
| 375 | stmia r0, {r7,r8,r10,lr}\r |
| 376 | add r0, r0, #256*4\r |
| 377 | \r |
| 378 | .if \is270\r |
| 379 | mode2_4pix 16\r |
| 380 | .else\r |
| 381 | mode2_4pix 8\r |
| 382 | .endif\r |
| 383 | stmia r0, {r7,r8,r10,lr}\r |
| 384 | add r0, r0, #256*4\r |
| 385 | \r |
| 386 | .if \is270\r |
| 387 | mode2_4pix 8\r |
| 388 | .else\r |
| 389 | mode2_4pix 16\r |
| 390 | .endif\r |
| 391 | stmia r0, {r7,r8,r10,lr}\r |
| 392 | add r0, r0, #256*4\r |
| 393 | \r |
| 394 | .if \is270\r |
| 395 | mode2_4pix 0\r |
| 396 | .else\r |
| 397 | mode2_4pix 24\r |
| 398 | .endif\r |
| 399 | stmia r0!,{r7,r8,r10,lr}\r |
| 400 | sub r0, r0, #256*4*3\r |
| 401 | \r |
| 402 | bpl 0b @ .loopM2RGB32_270\r |
| 403 | \r |
| 404 | mov r3, #0 @ bottom border\r |
| 405 | mov r4, #0\r |
| 406 | mov r5, #0\r |
| 407 | mov r6, #0\r |
| 408 | stmia r0!, {r3-r6}\r |
| 409 | stmia r0!, {r3-r6}\r |
| 410 | add r0, r0, #256*4-8*4\r |
| 411 | stmia r0!, {r3-r6}\r |
| 412 | stmia r0!, {r3-r6}\r |
| 413 | add r0, r0, #256*4-8*4\r |
| 414 | stmia r0!, {r3-r6}\r |
| 415 | stmia r0!, {r3-r6}\r |
| 416 | add r0, r0, #256*4-8*4\r |
| 417 | stmia r0!, {r3-r6}\r |
| 418 | nop @ phone crashes if this is commented out. Do I stress it too much?\r |
| 419 | stmia r0!, {r3-r6}\r |
| 420 | \r |
| 421 | add r12, r12, #1<<16\r |
| 422 | subs r12, r12, #1\r |
| 423 | ldmeqfd sp!, {r4-r11,pc} @ return\r |
| 424 | \r |
| 425 | add r0, r0, #16*4\r |
| 426 | .if \is270\r |
| 427 | sub r9, r9, #4 @ fix src pointer\r |
| 428 | .else\r |
| 429 | add r9, r9, #4\r |
| 430 | .endif\r |
| 431 | mov r1, r9\r |
| 432 | \r |
| 433 | stmia r0!, {r3-r6} @ top border\r |
| 434 | stmia r0!, {r3-r6}\r |
| 435 | add r7, r0, #256*4-8*4\r |
| 436 | stmia r7!, {r3-r6}\r |
| 437 | stmia r7!, {r3-r6}\r |
| 438 | add r7, r7, #256*4-8*4\r |
| 439 | stmia r7!, {r3-r6}\r |
| 440 | stmia r7!, {r3-r6}\r |
| 441 | add r7, r7, #256*4-8*4\r |
| 442 | stmia r7!, {r3-r6}\r |
| 443 | stmia r7!, {r3-r6}\r |
| 444 | \r |
| 445 | orr r12, r12, #(224/4-1)<<16 @ restore row counter\r |
| 446 | b 0b @ .loopM2RGB32_270\r |
| 447 | .endm\r |
| 448 | \r |
| 449 | \r |
| 450 | .global vidConvCpy_90 @ void *to, void *from, void *pal, int width\r |
| 451 | \r |
| 452 | vidConvCpy_90:\r |
| 453 | vidConvCpyM2_landscape 0\r |
| 454 | \r |
| 455 | \r |
| 456 | .global vidConvCpy_270 @ void *to, void *from, void *pal, int width\r |
| 457 | \r |
| 458 | vidConvCpy_270:\r |
| 459 | vidConvCpyM2_landscape 1\r |
| 460 | \r |
| 461 | \r |
| 462 | .global vidConvCpy_center_0 @ void *to, void *from, void *pal\r |
| 463 | \r |
| 464 | vidConvCpy_center_0:\r |
| 465 | stmfd sp!, {r4-r6,r11,lr}\r |
| 466 | \r |
| 467 | mov r11, #0xff\r |
| 468 | add r1, r1, #8 @ not border (centering 32col here)\r |
| 469 | \r |
| 470 | mov r12, #(240/4-1)<<16\r |
| 471 | orr r12, r12, #224\r |
| 472 | \r |
| 473 | .loopRGB32_c0:\r |
| 474 | ldr lr, [r1], #4\r |
| 475 | subs r12, r12, #1<<16\r |
| 476 | \r |
| 477 | mode2_4pix2_0 lr\r |
| 478 | stmia r0!, {r3-r6}\r |
| 479 | bpl .loopRGB32_c0\r |
| 480 | \r |
| 481 | sub r12, r12, #1\r |
| 482 | adds r12, r12, #1<<16\r |
| 483 | ldmeqfd sp!, {r4-r6,r11,pc} @ return\r |
| 484 | add r0, r0, #16*4\r |
| 485 | add r1, r1, #88\r |
| 486 | orr r12, #(240/4-1)<<16\r |
| 487 | b .loopRGB32_c0\r |
| 488 | \r |
| 489 | \r |
| 490 | .global vidConvCpy_center_180 @ void *to, void *from, void *pal\r |
| 491 | \r |
| 492 | vidConvCpy_center_180:\r |
| 493 | stmfd sp!, {r4-r6,r11,lr}\r |
| 494 | \r |
| 495 | mov r11, #0xff\r |
| 496 | add r1, r1, #0x11c00\r |
| 497 | add r1, r1, #0x002B8 @ #328*224-72\r |
| 498 | \r |
| 499 | mov r12, #(240/4-1)<<16\r |
| 500 | orr r12, r12, #224\r |
| 501 | \r |
| 502 | .loopRGB32_c180:\r |
| 503 | ldr lr, [r1, #-4]!\r |
| 504 | subs r12, r12, #1<<16\r |
| 505 | \r |
| 506 | mode2_4pix2_180 lr\r |
| 507 | stmia r0!, {r3-r6}\r |
| 508 | bpl .loopRGB32_c180\r |
| 509 | \r |
| 510 | sub r12, r12, #1\r |
| 511 | adds r12, r12, #1<<16\r |
| 512 | ldmeqfd sp!, {r4-r6,r11,pc} @ return\r |
| 513 | add r0, r0, #16*4\r |
| 514 | sub r1, r1, #88\r |
| 515 | orr r12, #(240/4-1)<<16\r |
| 516 | b .loopRGB32_c180\r |
| 517 | \r |
| 518 | \r |
| 519 | @ note: the following code assumes that (pal[x] & 0x030303) == 0\r |
| 520 | \r |
| 521 | .global vidConvCpy_center2_40c_0 @ void *to, void *from, void *pal, int lines\r |
| 522 | \r |
| 523 | vidConvCpy_center2_40c_0:\r |
| 524 | stmfd sp!, {r4-r6,r10,r11,lr}\r |
| 525 | \r |
| 526 | mov r11, #0xff\r |
| 527 | mov r10, #0xfc\r |
| 528 | orr r10, r10, lsl #8\r |
| 529 | orr r10, r10, lsl #8\r |
| 530 | add r1, r1, #8 @ border\r |
| 531 | \r |
| 532 | mov r12, #(240/3-1)<<16\r |
| 533 | orr r12, r12, r3\r |
| 534 | \r |
| 535 | .loopRGB32_c2_40c_0:\r |
| 536 | ldr lr, [r1], #4\r |
| 537 | subs r12, r12, #1<<16\r |
| 538 | \r |
| 539 | mode2_4pix_to3 lr, 0\r |
| 540 | \r |
| 541 | stmia r0!, {r3-r5}\r |
| 542 | bpl .loopRGB32_c2_40c_0\r |
| 543 | \r |
| 544 | sub r12, r12, #1\r |
| 545 | adds r12, r12, #1<<16\r |
| 546 | ldmeqfd sp!, {r4-r6,r10,r11,pc} @ return\r |
| 547 | add r0, r0, #16*4\r |
| 548 | add r1, r1, #8\r |
| 549 | orr r12, #(240/3-1)<<16\r |
| 550 | b .loopRGB32_c2_40c_0\r |
| 551 | \r |
| 552 | \r |
| 553 | .global vidConvCpy_center2_40c_180 @ void *to, void *from, void *pal, int lines\r |
| 554 | \r |
| 555 | vidConvCpy_center2_40c_180:\r |
| 556 | stmfd sp!, {r4-r6,r10,r11,lr}\r |
| 557 | \r |
| 558 | mov r11, #0xff\r |
| 559 | mov r10, #0xfc\r |
| 560 | orr r10, r10, lsl #8\r |
| 561 | orr r10, r10, lsl #8\r |
| 562 | \r |
| 563 | mov r4, #328\r |
| 564 | mla r1, r3, r4, r1\r |
| 565 | @ add r1, r1, #0x11000\r |
| 566 | @ add r1, r1, #0x00f00 @ #328*224\r |
| 567 | \r |
| 568 | mov r12, #(240/3-1)<<16\r |
| 569 | orr r12, r12, r3\r |
| 570 | \r |
| 571 | .loop_c2_40c_180:\r |
| 572 | ldr lr, [r1, #-4]!\r |
| 573 | subs r12, r12, #1<<16\r |
| 574 | \r |
| 575 | mode2_4pix_to3 lr, 1\r |
| 576 | \r |
| 577 | stmia r0!, {r3-r5}\r |
| 578 | bpl .loop_c2_40c_180\r |
| 579 | \r |
| 580 | sub r12, r12, #1\r |
| 581 | adds r12, r12, #1<<16\r |
| 582 | ldmeqfd sp!, {r4-r6,r10,r11,pc} @ return\r |
| 583 | add r0, r0, #16*4\r |
| 584 | sub r1, r1, #8\r |
| 585 | orr r12, #(240/3-1)<<16\r |
| 586 | b .loop_c2_40c_180\r |
| 587 | \r |
| 588 | \r |
| 589 | .global vidConvCpy_center2_32c_0 @ void *to, void *from, void *pal, int lines\r |
| 590 | \r |
| 591 | vidConvCpy_center2_32c_0:\r |
| 592 | stmfd sp!, {r4-r11,lr}\r |
| 593 | \r |
| 594 | mov r10, #0xfc\r |
| 595 | orr r10, r10, lsl #8\r |
| 596 | orr r10, r10, lsl #8\r |
| 597 | mov r11, #0xff\r |
| 598 | add r1, r1, #8 @ border\r |
| 599 | \r |
| 600 | mov r12, #(240/15-1)<<16\r |
| 601 | orr r12, r12, r3\r |
| 602 | \r |
| 603 | .loop_c2_32c_0:\r |
| 604 | ldmia r1!, {r7-r9,lr}\r |
| 605 | subs r12, r12, #1<<16\r |
| 606 | \r |
| 607 | mode2_4pix2_0 r7\r |
| 608 | stmia r0!, {r3-r6}\r |
| 609 | mode2_4pix2_0 r8\r |
| 610 | stmia r0!, {r3-r6}\r |
| 611 | mode2_4pix2_0 r9\r |
| 612 | stmia r0!, {r3-r6}\r |
| 613 | mode2_4pix_to3 lr, 0\r |
| 614 | stmia r0!, {r3-r5}\r |
| 615 | bpl .loop_c2_32c_0\r |
| 616 | \r |
| 617 | sub r12, r12, #1\r |
| 618 | adds r12, r12, #1<<16\r |
| 619 | ldmeqfd sp!, {r4-r11,pc} @ return\r |
| 620 | add r0, r0, #16*4\r |
| 621 | add r1, r1, #64+8\r |
| 622 | orr r12, #(240/15-1)<<16\r |
| 623 | b .loop_c2_32c_0\r |
| 624 | \r |
| 625 | \r |
| 626 | .global vidConvCpy_center2_32c_180 @ void *to, void *from, void *pal, int lines\r |
| 627 | \r |
| 628 | vidConvCpy_center2_32c_180:\r |
| 629 | stmfd sp!, {r4-r11,lr}\r |
| 630 | \r |
| 631 | mov r10, #0xfc\r |
| 632 | orr r10, r10, lsl #8\r |
| 633 | orr r10, r10, lsl #8\r |
| 634 | mov r11, #0xff\r |
| 635 | \r |
| 636 | mov r4, #328\r |
| 637 | mla r1, r3, r4, r1\r |
| 638 | @ add r1, r1, #0x11000\r |
| 639 | @ add r1, r1, #0x00f00 @ #328*224\r |
| 640 | \r |
| 641 | mov r12, #(240/15-1)<<16\r |
| 642 | orr r12, r12, r3\r |
| 643 | \r |
| 644 | .loop_c2_32c_180:\r |
| 645 | ldmdb r1!, {r7-r9,lr}\r |
| 646 | subs r12, r12, #1<<16\r |
| 647 | \r |
| 648 | mode2_4pix2_180 lr\r |
| 649 | stmia r0!, {r3-r6}\r |
| 650 | mode2_4pix2_180 r9\r |
| 651 | stmia r0!, {r3-r6}\r |
| 652 | mode2_4pix2_180 r8\r |
| 653 | stmia r0!, {r3-r6}\r |
| 654 | mode2_4pix_to3 r7, 1\r |
| 655 | stmia r0!, {r3-r5}\r |
| 656 | bpl .loop_c2_32c_180\r |
| 657 | \r |
| 658 | sub r12, r12, #1\r |
| 659 | adds r12, r12, #1<<16\r |
| 660 | ldmeqfd sp!, {r4-r11,pc} @ return\r |
| 661 | add r0, r0, #16*4\r |
| 662 | sub r1, r1, #64+8\r |
| 663 | orr r12, #(240/15-1)<<16\r |
| 664 | b .loop_c2_32c_180\r |
| 665 | \r |
| 666 | \r |
| 667 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| 668 | \r |
| 669 | \r |
| 670 | .global vidClear @ void *to, int lines\r |
| 671 | \r |
| 672 | vidClear:\r |
| 673 | stmfd sp!, {lr}\r |
| 674 | mov r12, #240/16-1\r |
| 675 | orr r12, r1, r12, lsl #16\r |
| 676 | mov r1, #0\r |
| 677 | mov r2, #0\r |
| 678 | mov r3, #0\r |
| 679 | mov lr, #0\r |
| 680 | \r |
| 681 | .loopVidClear:\r |
| 682 | subs r12, r12, #1<<16\r |
| 683 | \r |
| 684 | stmia r0!, {r1-r3,lr}\r |
| 685 | stmia r0!, {r1-r3,lr}\r |
| 686 | stmia r0!, {r1-r3,lr}\r |
| 687 | stmia r0!, {r1-r3,lr}\r |
| 688 | bpl .loopVidClear\r |
| 689 | \r |
| 690 | sub r12, r12, #1\r |
| 691 | adds r12, r12, #1<<16\r |
| 692 | ldmeqfd sp!, {pc} @ return\r |
| 693 | add r0, r0, #16*4\r |
| 694 | orr r12, #(240/16-1)<<16\r |
| 695 | b .loopVidClear\r |
| 696 | \r |
| ca482e5d |
697 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| 698 | \r |
| 699 | .equ EExecSetExceptionHandler, (90)\r |
| 700 | \r |
| 701 | .global my_SetExceptionHandler\r |
| 702 | \r |
| 703 | my_SetExceptionHandler:\r |
| 704 | mov ip, lr\r |
| 705 | swi EExecSetExceptionHandler\r |
| 706 | \r |
notaz.gp2x.de / picodrive.git / blame