| | 1 | /*\r |
| | 2 | * assembly optimized versions of most funtions from draw.c\r |
| | 3 | * (C) notaz, 2006-2010,2017\r |
| | 4 | * (C) irixxxx, 2020-2024\r |
| | 5 | *\r |
| | 6 | * This work is licensed under the terms of MAME license.\r |
| | 7 | * See COPYING file in the top-level directory.\r |
| | 8 | *\r |
| | 9 | * this is highly specialized, be careful if changing related C code!\r |
| | 10 | *\r |
| | 11 | * NB only does RGB565 output, BGR isn't supported\r |
| | 12 | */\r |
| | 13 | \r |
| | 14 | #include "pico_int_offs.h"\r |
| | 15 | \r |
| | 16 | .extern DrawStripInterlace\r |
| | 17 | \r |
| | 18 | .equ PDRAW_WND_DIFF_PRIO, (1<<1)\r |
| | 19 | .equ PDRAW_PLANE_HI_PRIO, (1<<6)\r |
| | 20 | .equ PDRAW_SHHI_DONE, (1<<7)\r |
| | 21 | .equ PDRAW_BORDER_32, (1<<9)\r |
| | 22 | .equ PDRAW_32X_SCALE, (1<<12)\r |
| | 23 | .equ PDRAW_BGC_DMA, (1<<14)\r |
| | 24 | .equ PDRAW_SOFTSCALE, (1<<15)\r |
| | 25 | \r |
| | 26 | @ helpers\r |
| | 27 | .macro add_c24 d s c\r |
| | 28 | add \d, \s, #(\c & 0x00ff00)\r |
| | 29 | .if \c & 0x0000ff\r |
| | 30 | add \d, \d, #(\c & 0x0000ff)\r |
| | 31 | .endif\r |
| | 32 | .if \c & 0xff0000\r |
| | 33 | add \d, \d, #(\c & 0xff0000)\r |
| | 34 | .endif\r |
| | 35 | .endm\r |
| | 36 | \r |
| | 37 | .macro TilePixel pat lsrr offs\r |
| | 38 | .if !\lsrr\r |
| | 39 | ands r4, \pat, r2\r |
| | 40 | .else\r |
| | 41 | ands r4, \pat, r2, lsr #\lsrr\r |
| | 42 | .endif\r |
| | 43 | orrne r4, r3, r4\r |
| | 44 | strneb r4, [r1,#\offs]\r |
| | 45 | .endm\r |
| | 46 | \r |
| | 47 | @ TileNorm (r1=pdest, r2=pixels8, r3=pal) r4: scratch, pat: register with helper pattern 0xf\r |
| | 48 | .macro TileNorm pat\r |
| | 49 | TilePixel \pat, 12, 0 @ #0x0000f000\r |
| | 50 | TilePixel \pat, 8, 1 @ #0x00000f00\r |
| | 51 | TilePixel \pat, 4, 2 @ #0x000000f0\r |
| | 52 | TilePixel \pat, 0, 3 @ #0x0000000f\r |
| | 53 | TilePixel \pat, 28, 4 @ #0xf0000000\r |
| | 54 | TilePixel \pat, 24, 5 @ #0x0f000000\r |
| | 55 | TilePixel \pat, 20, 6 @ #0x00f00000\r |
| | 56 | TilePixel \pat, 16, 7 @ #0x000f0000\r |
| | 57 | .endm\r |
| | 58 | \r |
| | 59 | @ TileFlip (r1=pdest, r2=pixels8, r3=pal) r4: scratch, pat: register with helper pattern 0xf\r |
| | 60 | .macro TileFlip pat\r |
| | 61 | TilePixel \pat, 16, 0 @ #0x000f0000\r |
| | 62 | TilePixel \pat, 20, 1 @ #0x00f00000\r |
| | 63 | TilePixel \pat, 24, 2 @ #0x0f000000\r |
| | 64 | TilePixel \pat, 28, 3 @ #0xf0000000\r |
| | 65 | TilePixel \pat, 0, 4 @ #0x0000000f\r |
| | 66 | TilePixel \pat, 4, 5 @ #0x000000f0\r |
| | 67 | TilePixel \pat, 8, 6 @ #0x00000f00\r |
| | 68 | TilePixel \pat, 12, 7 @ #0x0000f000\r |
| | 69 | .endm\r |
| | 70 | \r |
| | 71 | @ shadow/hilight mode\r |
| | 72 | \r |
| | 73 | @ \r |
| | 74 | .macro TilePixelNonSH pat lsrr offs\r |
| | 75 | .if !\lsrr\r |
| | 76 | ands r4, \pat, r2\r |
| | 77 | .else\r |
| | 78 | ands r4, \pat, r2, lsr #\lsrr\r |
| | 79 | .endif\r |
| | 80 | beq 0f\r |
| | 81 | cmp r4, #0xe\r |
| | 82 | orr r4, r3, r4\r |
| | 83 | biceq r4, r4, #0x80\r |
| | 84 | strb r4, [r1,#\offs]\r |
| | 85 | 0:\r |
| | 86 | .endm\r |
| | 87 | \r |
| | 88 | @ TileNormNonSH (r1=pdest, r2=pixels8, r3=pal) r4: scratch, pat: register with helper pattern 0xf\r |
| | 89 | .macro TileNormNonSH pat\r |
| | 90 | TilePixelNonSH \pat, 12, 0 @ #0x0000f000\r |
| | 91 | TilePixelNonSH \pat, 8, 1 @ #0x00000f00\r |
| | 92 | TilePixelNonSH \pat, 4, 2 @ #0x000000f0\r |
| | 93 | TilePixelNonSH \pat, 0, 3 @ #0x0000000f\r |
| | 94 | TilePixelNonSH \pat, 28, 4 @ #0xf0000000\r |
| | 95 | TilePixelNonSH \pat, 24, 5 @ #0x0f000000\r |
| | 96 | TilePixelNonSH \pat, 20, 6 @ #0x00f00000\r |
| | 97 | TilePixelNonSH \pat, 16, 7 @ #0x000f0000\r |
| | 98 | .endm\r |
| | 99 | \r |
| | 100 | @ TileFlipNonSH (r1=pdest, r2=pixels8, r3=pal) r4: scratch, pat: register with helper pattern 0xf\r |
| | 101 | .macro TileFlipNonSH pat\r |
| | 102 | TilePixelNonSH \pat, 16, 0 @ #0x000f0000\r |
| | 103 | TilePixelNonSH \pat, 20, 1 @ #0x00f00000\r |
| | 104 | TilePixelNonSH \pat, 24, 2 @ #0x0f000000\r |
| | 105 | TilePixelNonSH \pat, 28, 3 @ #0xf0000000\r |
| | 106 | TilePixelNonSH \pat, 0, 4 @ #0x0000000f\r |
| | 107 | TilePixelNonSH \pat, 4, 5 @ #0x000000f0\r |
| | 108 | TilePixelNonSH \pat, 8, 6 @ #0x00000f00\r |
| | 109 | TilePixelNonSH \pat, 12, 7 @ #0x0000f000\r |
| | 110 | .endm\r |
| | 111 | \r |
| | 112 | @ this one is for hi priority layer\r |
| | 113 | .macro TilePixelShHP lsrr offs\r |
| | 114 | .if !\lsrr\r |
| | 115 | ands r4, r12, r2\r |
| | 116 | .else\r |
| | 117 | ands r4, r12, r2, lsr #\lsrr\r |
| | 118 | .endif\r |
| | 119 | ldreqb r4, [r1,#\offs]\r |
| | 120 | orrne r4, r3, r4\r |
| | 121 | andeq r4, r4, #0x7f\r |
| | 122 | strb r4, [r1,#\offs]\r |
| | 123 | .endm\r |
| | 124 | \r |
| | 125 | @ TileNormShHP (r1=pdest, r2=pixels8, r3=pal) r4: scratch, r12: register with helper pattern 0xf, touches r3 high bits\r |
| | 126 | .macro TileNormShHP\r |
| | 127 | TilePixelShHP 12, 0 @ #0x0000f000\r |
| | 128 | TilePixelShHP 8, 1 @ #0x00000f00\r |
| | 129 | TilePixelShHP 4, 2 @ #0x000000f0\r |
| | 130 | TilePixelShHP 0, 3 @ #0x0000000f\r |
| | 131 | TilePixelShHP 28, 4 @ #0xf0000000\r |
| | 132 | TilePixelShHP 24, 5 @ #0x0f000000\r |
| | 133 | TilePixelShHP 20, 6 @ #0x00f00000\r |
| | 134 | TilePixelShHP 16, 7 @ #0x000f0000\r |
| | 135 | .endm\r |
| | 136 | \r |
| | 137 | @ TileFlipShHP (r1=pdest, r2=pixels8, r3=pal) r4: scratch, pat: register with helper pattern 0xf\r |
| | 138 | .macro TileFlipShHP\r |
| | 139 | TilePixelShHP 16, 0 @ #0x000f0000\r |
| | 140 | TilePixelShHP 20, 1 @ #0x00f00000\r |
| | 141 | TilePixelShHP 24, 2 @ #0x0f000000\r |
| | 142 | TilePixelShHP 28, 3 @ #0xf0000000\r |
| | 143 | TilePixelShHP 0, 4 @ #0x0000000f\r |
| | 144 | TilePixelShHP 4, 5 @ #0x000000f0\r |
| | 145 | TilePixelShHP 8, 6 @ #0x00000f00\r |
| | 146 | TilePixelShHP 12, 7 @ #0x0000f000\r |
| | 147 | .endm\r |
| | 148 | \r |
| | 149 | \r |
| | 150 | @ TileSingleSh (r1=pdest, r2=pixels8, r3=pal) r4,r7: scratch, r0=sx; r12: helper pattern 0xf\r |
| | 151 | .macro TileSingleSh\r |
| | 152 | tst r0, #1 @ not aligned?\r |
| | 153 | mov r7, #0x008000\r |
| | 154 | orr r7, r7, #0x80\r |
| | 155 | ldrneb r4, [r1], #1\r |
| | 156 | ldreqh r4, [r1], #2 @ 1ci\r |
| | 157 | ldrh r12, [r1], #2\r |
| | 158 | orr r4, r4, r7\r |
| | 159 | strneb r4, [r1, #-3]\r |
| | 160 | streqh r4, [r1, #-4]\r |
| | 161 | ldrh r4, [r1], #2\r |
| | 162 | orr r12, r12, r7\r |
| | 163 | strh r12, [r1, #-4]\r |
| | 164 | ldrh r12, [r1], #2\r |
| | 165 | orr r4, r4, r7\r |
| | 166 | strh r4, [r1, #-4]\r |
| | 167 | ldrneb r4, [r1]\r |
| | 168 | orr r12, r12, r7\r |
| | 169 | strh r12, [r1, #-2]\r |
| | 170 | orrne r4, r4, r7\r |
| | 171 | strneb r4, [r1], #1\r |
| | 172 | mov r12, #0xf\r |
| | 173 | .endm\r |
| | 174 | \r |
| | 175 | @ TileSingleHi (r1=pdest, r2=pixels8, r3=pal) r4,r7: scratch, r0=sx, r12: register with helper pattern 0xf\r |
| | 176 | .macro TileSingleHi\r |
| | 177 | tst r1, #1 @ not aligned?\r |
| | 178 | mov r7, #0x004000\r |
| | 179 | orr r7, r7, #0x40\r |
| | 180 | ldrneb r4, [r1], #1\r |
| | 181 | ldreqh r4, [r1], #2 @ 1ci\r |
| | 182 | ldrh r12, [r1], #2\r |
| | 183 | orr r4, r4, r7\r |
| | 184 | strneb r4, [r1, #-3]\r |
| | 185 | streqh r4, [r1, #-4]\r |
| | 186 | ldrh r4, [r1], #2\r |
| | 187 | orr r12, r12, r7\r |
| | 188 | strh r12, [r1, #-4]\r |
| | 189 | ldrh r12, [r1], #2\r |
| | 190 | orr r4, r4, r7\r |
| | 191 | strh r4, [r1, #-4]\r |
| | 192 | ldrneb r4, [r1]\r |
| | 193 | orr r12, r12, r7\r |
| | 194 | strh r12, [r1, #-2]\r |
| | 195 | orrne r4, r4, r7\r |
| | 196 | strneb r4, [r1], #1\r |
| | 197 | mov r12, #0xf\r |
| | 198 | .endm\r |
| | 199 | \r |
| | 200 | .macro TileDoShGenPixel shift ofs\r |
| | 201 | .if \shift\r |
| | 202 | ands r4, r12, r2, lsr #\shift\r |
| | 203 | .else\r |
| | 204 | ands r4, r12, r2\r |
| | 205 | .endif\r |
| | 206 | beq 0f\r |
| | 207 | cmp r4, #0xe\r |
| | 208 | ldrgeb r7, [r1,#\ofs]\r |
| | 209 | orrlt r7, r3, r4 @ normal\r |
| | 210 | \r |
| | 211 | subge r4, r4, #1\r |
| | 212 | orrge r7, r7, r4, lsl #6\r |
| | 213 | strb r7, [r1,#\ofs]\r |
| | 214 | 0:\r |
| | 215 | .endm\r |
| | 216 | \r |
| | 217 | @ TileFlipSh (r1=pdest, r2=pixels8, r3=pal) r4,r7: scratch, r0=sx, r12: register with helper pattern 0xf\r |
| | 218 | .macro TileFlipSh\r |
| | 219 | TileDoShGenPixel 16, 0 @ #0x000f0000\r |
| | 220 | TileDoShGenPixel 20, 1 @ #0x00f00000\r |
| | 221 | TileDoShGenPixel 24, 2 @ #0x0f000000\r |
| | 222 | TileDoShGenPixel 28, 3 @ #0xf0000000\r |
| | 223 | TileDoShGenPixel 0, 4 @ #0x0000000f\r |
| | 224 | TileDoShGenPixel 4, 5 @ #0x000000f0\r |
| | 225 | TileDoShGenPixel 8, 6 @ #0x00000f00\r |
| | 226 | TileDoShGenPixel 12, 7 @ #0x0000f000\r |
| | 227 | .endm\r |
| | 228 | \r |
| | 229 | @ TileNormSh (r1=pdest, r2=pixels8, r3=pal) r4,r7: scratch, r0=sx, r12: register with helper pattern 0xf\r |
| | 230 | .macro TileNormSh\r |
| | 231 | TileDoShGenPixel 12, 0 @ #0x0000f000\r |
| | 232 | TileDoShGenPixel 8, 1 @ #0x00000f00\r |
| | 233 | TileDoShGenPixel 4, 2 @ #0x000000f0\r |
| | 234 | TileDoShGenPixel 0, 3 @ #0x0000000f\r |
| | 235 | TileDoShGenPixel 28, 4 @ #0xf0000000\r |
| | 236 | TileDoShGenPixel 24, 5 @ #0x0f000000\r |
| | 237 | TileDoShGenPixel 20, 6 @ #0x00f00000\r |
| | 238 | TileDoShGenPixel 16, 7 @ #0x000f0000\r |
| | 239 | .endm\r |
| | 240 | \r |
| | 241 | .macro TileDoShGenPixel_markop shift ofs\r |
| | 242 | .if \shift\r |
| | 243 | ands r4, r12, r2, lsr #\shift\r |
| | 244 | .else\r |
| | 245 | ands r4, r12, r2\r |
| | 246 | .endif\r |
| | 247 | beq 0f\r |
| | 248 | cmp r4, #0xe\r |
| | 249 | ldrgeb r4, [r1,#\ofs]\r |
| | 250 | orrlt r4, r3, r4\r |
| | 251 | orrge r4, r4, #0x40\r |
| | 252 | strb r4, [r1,#\ofs]\r |
| | 253 | 0:\r |
| | 254 | .endm\r |
| | 255 | \r |
| | 256 | .macro TileFlipSh_markop\r |
| | 257 | TileDoShGenPixel_markop 16, 0 @ #0x000f0000\r |
| | 258 | TileDoShGenPixel_markop 20, 1 @ #0x00f00000\r |
| | 259 | TileDoShGenPixel_markop 24, 2 @ #0x0f000000\r |
| | 260 | TileDoShGenPixel_markop 28, 3 @ #0xf0000000\r |
| | 261 | TileDoShGenPixel_markop 0, 4 @ #0x0000000f\r |
| | 262 | TileDoShGenPixel_markop 4, 5 @ #0x000000f0\r |
| | 263 | TileDoShGenPixel_markop 8, 6 @ #0x00000f00\r |
| | 264 | TileDoShGenPixel_markop 12, 7 @ #0x0000f000\r |
| | 265 | .endm\r |
| | 266 | \r |
| | 267 | .macro TileNormSh_markop\r |
| | 268 | TileDoShGenPixel_markop 12, 0 @ #0x0000f000\r |
| | 269 | TileDoShGenPixel_markop 8, 1 @ #0x00000f00\r |
| | 270 | TileDoShGenPixel_markop 4, 2 @ #0x000000f0\r |
| | 271 | TileDoShGenPixel_markop 0, 3 @ #0x0000000f\r |
| | 272 | TileDoShGenPixel_markop 28, 4 @ #0xf0000000\r |
| | 273 | TileDoShGenPixel_markop 24, 5 @ #0x0f000000\r |
| | 274 | TileDoShGenPixel_markop 20, 6 @ #0x00f00000\r |
| | 275 | TileDoShGenPixel_markop 16, 7 @ #0x000f0000\r |
| | 276 | .endm\r |
| | 277 | \r |
| | 278 | .macro TileDoShGenPixel_onlyop_lp shift ofs\r |
| | 279 | .if \shift\r |
| | 280 | ands r7, r12, r2, lsr #\shift\r |
| | 281 | .else\r |
| | 282 | ands r7, r12, r2\r |
| | 283 | .endif\r |
| | 284 | ldrneb r4, [r1,#\ofs]\r |
| | 285 | cmp r7, #0xe\r |
| | 286 | blt 0f\r |
| | 287 | \r |
| | 288 | tst r4, #0x40\r |
| | 289 | bicne r4, r4, #0x40\r |
| | 290 | subne r7, r7, #1\r |
| | 291 | orrne r4, r4, r7, lsl #6\r |
| | 292 | strneb r4, [r1,#\ofs]\r |
| | 293 | 0:\r |
| | 294 | .endm\r |
| | 295 | \r |
| | 296 | .macro TileFlipSh_onlyop_lp\r |
| | 297 | TileDoShGenPixel_onlyop_lp 16, 0 @ #0x000f0000\r |
| | 298 | TileDoShGenPixel_onlyop_lp 20, 1 @ #0x00f00000\r |
| | 299 | TileDoShGenPixel_onlyop_lp 24, 2 @ #0x0f000000\r |
| | 300 | TileDoShGenPixel_onlyop_lp 28, 3 @ #0xf0000000\r |
| | 301 | TileDoShGenPixel_onlyop_lp 0, 4 @ #0x0000000f\r |
| | 302 | TileDoShGenPixel_onlyop_lp 4, 5 @ #0x000000f0\r |
| | 303 | TileDoShGenPixel_onlyop_lp 8, 6 @ #0x00000f00\r |
| | 304 | TileDoShGenPixel_onlyop_lp 12, 7 @ #0x0000f000\r |
| | 305 | .endm\r |
| | 306 | \r |
| | 307 | .macro TileNormSh_onlyop_lp\r |
| | 308 | TileDoShGenPixel_onlyop_lp 12, 0 @ #0x0000f000\r |
| | 309 | TileDoShGenPixel_onlyop_lp 8, 1 @ #0x00000f00\r |
| | 310 | TileDoShGenPixel_onlyop_lp 4, 2 @ #0x000000f0\r |
| | 311 | TileDoShGenPixel_onlyop_lp 0, 3 @ #0x0000000f\r |
| | 312 | TileDoShGenPixel_onlyop_lp 28, 4 @ #0xf0000000\r |
| | 313 | TileDoShGenPixel_onlyop_lp 24, 5 @ #0x0f000000\r |
| | 314 | TileDoShGenPixel_onlyop_lp 20, 6 @ #0x00f00000\r |
| | 315 | TileDoShGenPixel_onlyop_lp 16, 7 @ #0x000f0000\r |
| | 316 | .endm\r |
| | 317 | \r |
| | 318 | \r |
| | 319 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| | 320 | \r |
| | 321 | @ struct TileStrip\r |
| | 322 | @ {\r |
| | 323 | @ int nametab; // 0x00\r |
| | 324 | @ int line; // 0x04\r |
| | 325 | @ int hscroll; // 0x08\r |
| | 326 | @ int xmask; // 0x0C\r |
| | 327 | @ int *hc; // 0x10 (pointer to cache buffer)\r |
| | 328 | @ int cells; // 0x14\r |
| | 329 | @ };\r |
| | 330 | \r |
| | 331 | @ void DrawLayer(int lflags, int *hcache, int cellskip, int maxcells,\r |
| | 332 | @ struct PicoEState *est)\r |
| | 333 | \r |
| | 334 | .global DrawLayer\r |
| | 335 | \r |
| | 336 | DrawLayer:\r |
| | 337 | ldr r12, [sp] @ est\r |
| | 338 | stmfd sp!, {r4-r11,lr}\r |
| | 339 | \r |
| | 340 | ldr r11, [r12, #OFS_EST_Pico]\r |
| | 341 | mov r8, #1\r |
| | 342 | \r |
| | 343 | ldrb r7, [r11, #OFS_Pico_video_reg+16] @ ??vv??hh\r |
| | 344 | \r |
| | 345 | mov r6, r1 @ hcache\r |
| | 346 | orr r9, r3, r0, lsl #29 @ r9=force[31]|sh[30]|plane[29]\r |
| | 347 | orr r9, r9, r2, lsl #8 @ |cellskip[15:8]|maxcells[7:0] (tmp)\r |
| | 348 | \r |
| | 349 | mov r1, r7, lsl #4\r |
| | 350 | orr r1, r1, #0x00ff\r |
| | 351 | \r |
| | 352 | and r10, r7, #3\r |
| | 353 | cmp r10, #1\r |
| | 354 | biclt r1, r1, #0xfc00\r |
| | 355 | biceq r1, r1, #0xfe00\r |
| | 356 | cmp r10, #2\r |
| | 357 | moveq r1, #0x0007\r |
| | 358 | movgt r1, #0x00ff @ r1=ymask=(height<<8)|0xff; ...; // Y Mask in pixels\r |
| | 359 | \r |
| | 360 | cmp r10, #2\r |
| | 361 | addlt r10, r10, #5\r |
| | 362 | moveq r10, #5\r |
| | 363 | movgt r10, #7 @ r10=shift[width] (5,6,5,7)\r |
| | 364 | \r |
| | 365 | ldr r2, [r12, #OFS_EST_DrawScanline]\r |
| | 366 | ldr lr, [r12, #OFS_EST_PicoMem_vram]\r |
| | 367 | \r |
| | 368 | @ Find name table:\r |
| | 369 | ands r0, r0, #1\r |
| | 370 | ldreqb r12, [r11, #OFS_Pico_video_reg+2]\r |
| | 371 | ldrneb r12, [r11, #OFS_Pico_video_reg+4]\r |
| | 372 | \r |
| | 373 | @ calculate xmask:\r |
| | 374 | mov r5, r8, lsl r10\r |
| | 375 | sub r5, r5, #1 @ r5=xmask\r |
| | 376 | \r |
| | 377 | moveq r12, r12, lsl #10\r |
| | 378 | movne r12, r12, lsl #13\r |
| | 379 | and r12, r12, #(7<<13) @ r12=(ts->nametab<<1) (halfword compliant)\r |
| | 380 | \r |
| | 381 | ldrh r8, [r11, #OFS_Pico_video_reg+12]\r |
| | 382 | ldrb r7, [r11, #OFS_Pico_video_reg+11]\r |
| | 383 | \r |
| | 384 | mov r4, r8, lsr #8 @ pvid->reg[13]\r |
| | 385 | mov r4, r4, lsl #10 @ htab=pvid->reg[13]<<9; (halfwords)\r |
| | 386 | \r |
| | 387 | ands r3, r7, #0x03\r |
| | 388 | beq 0f\r |
| | 389 | cmp r3, #2\r |
| | 390 | mov r3, r2, lsl #2 @ htab+=DrawScanline<<1; // Offset by line\r |
| | 391 | biceq r3, r3, #0x1f @ htab&=~0xf; // Offset by tile\r |
| | 392 | andlt r3, r3, #0x1f\r |
| | 393 | add r4, r4, r3\r |
| | 394 | 0: add r4, r4, r0, lsl #1 @ htab+=plane\r |
| | 395 | bic r4, r4, #0x00ff0000 @ just in case\r |
| | 396 | ldrh r3, [lr, r4] @ r3=hscroll\r |
| | 397 | \r |
| | 398 | tst r7, #4\r |
| | 399 | bne .DrawStrip_vsscroll\r |
| | 400 | \r |
| | 401 | @ Get vertical scroll value:\r |
| | 402 | add_c24 r7, lr, (OFS_PMEM_vsram-OFS_PMEM_vram)\r |
| | 403 | ldr r7, [r7]\r |
| | 404 | \r |
| | 405 | tst r8, #2\r |
| | 406 | tstne r8, #4\r |
| | 407 | bne .DrawStrip_interlace\r |
| | 408 | \r |
| | 409 | tst r0, r0\r |
| | 410 | moveq r7, r7, lsl #16\r |
| | 411 | mov r7, r7, lsr #16\r |
| | 412 | \r |
| | 413 | @ Find the line in the name table\r |
| | 414 | add r2, r2, r7\r |
| | 415 | and r2, r2, r1\r |
| | 416 | mov r4, r2, lsr #3\r |
| | 417 | add r10, r10, #1 @ shift[width]++\r |
| | 418 | add r12, r12, r4, lsl r10 @ nametab+=(ts.line>>3)<<shift[width];\r |
| | 419 | \r |
| | 420 | @ ldmia r0, {r1,r2,r3,r5,r6,r9} @ r2=line, r3=ts->hscroll, r5=ts->xmask, r6=ts->hc, r9=ts->cells\r |
| | 421 | \r |
| | 422 | and r10,r2, #7\r |
| | 423 | mov r10,r10, lsl #1 @ r10=ty=(ts->line&7)<<1;\r |
| | 424 | orr r10,r10, r9, lsl #24\r |
| | 425 | \r |
| | 426 | rsb r8, r3, #0\r |
| | 427 | mov r8, r8, lsr #3 @ r8=tilex=(-ts->hscroll)>>3\r |
| | 428 | \r |
| | 429 | sub r1, r3, #1\r |
| | 430 | and r1, r1, #7\r |
| | 431 | add r7, r1, #1 @ r7=dx=((ts->hscroll-1)&7)+1\r |
| | 432 | \r |
| | 433 | movs r3, r9, lsl #1 @ (force[31]|sh[30]) << 1\r |
| | 434 | mov r3, #0\r |
| | 435 | orrmi r10,r10, #1<<23 @ r10=cells[31:24]|sh[23]|hi_not_empty[22]\r |
| | 436 | @ orrcc r10,r10, #1<<20 @ |had_output[21]|!force[20]|hscroll[18:16]|ty[15:0]\r |
| | 437 | movmi r3, #0x80 @ default to shadowed pal on sh mode\r |
| | 438 | \r |
| | 439 | and r4, r7, #7\r |
| | 440 | orr r10,r10, r4, lsl #16 @ we will process cells+1 if there is scroll\r |
| | 441 | \r |
| | 442 | and r9, r9, #0xff00\r |
| | 443 | add r8, r8, r9, lsr #8 @ tilex+=cellskip\r |
| | 444 | add r7, r7, r9, lsr #5 @ dx+=cellskip<<3;\r |
| | 445 | sub r10,r10,r9, lsl #16 @ cells-=cellskip\r |
| | 446 | \r |
| | 447 | @ cache some stuff to avoid mem access\r |
| | 448 | ldr r11,[sp, #9*4] @ est\r |
| | 449 | mov r0, #0xf\r |
| | 450 | ldr r11,[r11, #OFS_EST_HighCol]\r |
| | 451 | \r |
| | 452 | mvn r9, #0 @ r9=prevcode=-1\r |
| | 453 | add r1, r11, r7 @ r1=pdest\r |
| | 454 | \r |
| | 455 | @ r10=cells[31:24]|sh[23]|hi_not_empty[22]|had_output[21]|!force[20]|hscroll[18:16]|ty[15:0]\r |
| | 456 | @ r1=pd+dx r2=pack r3=pal r5=xmask r6=hc r8=tilex r9=prevcode r11=HighCol r12=nametab lr=vram\r |
| | 457 | @ r4 & r7 are scratch in this loop\r |
| | 458 | \r |
| | 459 | ands r4, r10, #7<<16 @ hscroll?\r |
| | 460 | beq .dsloop_subr1\r |
| | 461 | subs r10,r10, #0x01000000\r |
| | 462 | bmi .dsloop_exit\r |
| | 463 | \r |
| | 464 | and r7, r5, r8 @ do first cut tile\r |
| | 465 | add r7, lr, r7, lsl #1 @ Pico.vram+((tilex&ts->xmask) as halfwords)\r |
| | 466 | ldrh r9, [r7, r12] @ r7=code (int, but from unsigned, no sign extend)\r |
| | 467 | \r |
| | 468 | add r8, r8, #1\r |
| | 469 | \r |
| | 470 | tst r9, #0x1000 @ if (code&0x1000)\r |
| | 471 | mov r2, r9, lsl #21\r |
| | 472 | add r2, r2, r10, lsl #17\r |
| | 473 | eorne r2, r2, #0xe<<17 @ if (code&0x1000) addr^=0xe;\r |
| | 474 | \r |
| | 475 | ldr r2, [lr, r2, lsr #16] @ pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels\r |
| | 476 | \r |
| | 477 | mvn r7, #0\r |
| | 478 | mov r4, r4, lsr #16-2 @ (dx&7)*4\r |
| | 479 | tst r9, #0x0800\r |
| | 480 | moveq r7, r7, lsl r4 @ mask = ~0 [shift] (dx&7)*4\r |
| | 481 | movne r7, r7, lsr r4\r |
| | 482 | bic r2, r2, r7, ror #16 @ pack&~mask\r |
| | 483 | \r |
| | 484 | orr r9, r9, #0x80000000 @ invalidate oldcode since pack is masked\r |
| | 485 | b .DrawStrip_samecode\r |
| | 486 | \r |
| | 487 | .dsloop_subr1:\r |
| | 488 | sub r1, r1, #8\r |
| | 489 | .dsloop: @ 40-41 times\r |
| | 490 | subs r10,r10, #0x01000000\r |
| | 491 | bmi .dsloop_exit\r |
| | 492 | \r |
| | 493 | and r7, r5, r8\r |
| | 494 | add r7, lr, r7, lsl #1 @ Pico.vram+((tilex&ts->xmask) as halfwords)\r |
| | 495 | ldrh r7, [r7, r12] @ r7=code (int, but from unsigned, no sign extend)\r |
| | 496 | \r |
| | 497 | add r1, r1, #8\r |
| | 498 | add r8, r8, #1\r |
| | 499 | \r |
| | 500 | cmp r7, r9\r |
| | 501 | beq .DrawStrip_samecode @ we know stuff about this tile already\r |
| | 502 | \r |
| | 503 | mov r9, r7 @ remember code\r |
| | 504 | \r |
| | 505 | tst r9, #0x1000 @ if (code&0x1000)\r |
| | 506 | mov r2, r9, lsl #21\r |
| | 507 | add r2, r2, r10, lsl #17\r |
| | 508 | eorne r2, r2, #0x0e<<17 @ if (code&0x1000) addr^=0xe;\r |
| | 509 | \r |
| | 510 | ldr r2, [lr, r2, lsr #16] @ pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels\r |
| | 511 | .DrawStrip_samecode:\r |
| | 512 | tst r9, #0x8000\r |
| | 513 | @ tstne r10, #1<<20 @ !force[20]\r |
| | 514 | bne .DrawStrip_hiprio\r |
| | 515 | \r |
| | 516 | orr r10, r10, #1<<21 @ seen non hi-prio tile\r |
| | 517 | tst r2, r2\r |
| | 518 | beq .dsloop @ tileline blank\r |
| | 519 | \r |
| | 520 | bic r7, r3, #0x7f\r |
| | 521 | and r3, r9, #0x6000\r |
| | 522 | add r3, r7, r3, lsr #9 @ r3=pal=((code&0x6000)>>9);\r |
| | 523 | \r |
| | 524 | cmp r2, r2, ror #4\r |
| | 525 | beq .DrawStrip_SingleColor @ tileline singlecolor \r |
| | 526 | \r |
| | 527 | tst r9, #0x0800\r |
| | 528 | bne .DrawStrip_TileFlip\r |
| | 529 | \r |
| | 530 | @ (r1=pdest, r2=pixels8, r3=pal) r4: scratch, r0: helper pattern\r |
| | 531 | .DrawStrip_TileNorm:\r |
| | 532 | TileNorm r0\r |
| | 533 | b .dsloop\r |
| | 534 | \r |
| | 535 | .DrawStrip_TileFlip:\r |
| | 536 | TileFlip r0\r |
| | 537 | b .dsloop\r |
| | 538 | \r |
| | 539 | .DrawStrip_SingleColor:\r |
| | 540 | and r4, r2, #0xf\r |
| | 541 | orr r4, r3, r4\r |
| | 542 | orr r4, r4, r4, lsl #8\r |
| | 543 | tst r1, #1 @ not aligned?\r |
| | 544 | strneb r4, [r1], #1\r |
| | 545 | streqh r4, [r1], #2\r |
| | 546 | strh r4, [r1], #2\r |
| | 547 | strh r4, [r1], #2\r |
| | 548 | strh r4, [r1], #2\r |
| | 549 | strneb r4, [r1], #1 @ have a remaining unaligned pixel?\r |
| | 550 | b .dsloop_subr1\r |
| | 551 | \r |
| | 552 | .DrawStrip_hiprio:\r |
| | 553 | tst r10, #(1<<23) @ sh[23]\r |
| | 554 | tsteq r2, r2 @ if (!sh[23] && code==blank) continue\r |
| | 555 | beq .dsloop\r |
| | 556 | \r |
| | 557 | @ orr r10, r10, #1<<22 @ hi_not_empty[22]\r |
| | 558 | sub r7, r1, r11\r |
| | 559 | orr r7, r9, r7, lsl #16\r |
| | 560 | orr r7, r7, r10, lsl #25 @ (ty<<25)\r |
| | 561 | tst r9, #0x1000\r |
| | 562 | eorne r7, r7, #0xe<<25 @ if(code&0x1000) cval^=0xe<<25;\r |
| | 563 | str r7, [r6], #4 @ cache hi priority tile code\r |
| | 564 | str r2, [r6], #4 @ cache hi priority tile data\r |
| | 565 | b .dsloop\r |
| | 566 | \r |
| | 567 | .dsloop_exit:\r |
| | 568 | ands r4,r10, #7<<16 @ hscroll?\r |
| | 569 | beq .DrawStrip_noscroll\r |
| | 570 | \r |
| | 571 | and r7, r5, r8 @ do one more cut tile\r |
| | 572 | add r7, lr, r7, lsl #1 @ Pico.vram+((tilex&ts->xmask) as halfwords)\r |
| | 573 | ldrh r9, [r7, r12] @ r7=code (int, but from unsigned, no sign extend)\r |
| | 574 | \r |
| | 575 | add r1, r1, #8\r |
| | 576 | \r |
| | 577 | tst r9, #0x1000 @ if (code&0x1000)\r |
| | 578 | mov r2, r9, lsl #21\r |
| | 579 | add r2, r2, r10, lsl #17\r |
| | 580 | eorne r2, r2, #0x0e<<17 @ if (code&0x1000) addr^=0xe;\r |
| | 581 | \r |
| | 582 | ldr r2, [lr, r2, lsr #16] @ pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels\r |
| | 583 | \r |
| | 584 | mvn r7, #0\r |
| | 585 | mov r4, r4, lsr #16-2 @ (dx&7)*4\r |
| | 586 | tst r9, #0x0800\r |
| | 587 | moveq r7, r7, lsl r4 @ mask = ~0 [shift] (dx&7)*4\r |
| | 588 | movne r7, r7, lsr r4\r |
| | 589 | and r2, r2, r7, ror #16 @ pack&mask\r |
| | 590 | \r |
| | 591 | bic r10,r10, #7<<16\r |
| | 592 | b .DrawStrip_samecode @ one last time, with last tile now masked\r |
| | 593 | \r |
| | 594 | .DrawStrip_noscroll:\r |
| | 595 | tst r10, #1<<21 @ seen non hi-prio tile\r |
| | 596 | ldr r1, [sp, #9*4] @ est\r |
| | 597 | mov r0, #0\r |
| | 598 | ldreq r2, [r1, #OFS_EST_rendstatus]\r |
| | 599 | str r0, [r6] @ terminate the cache list\r |
| | 600 | orreq r2, r2, #PDRAW_PLANE_HI_PRIO @ had a layer with all hi-prio tiles\r |
| | 601 | streq r2, [r1, #OFS_EST_rendstatus]\r |
| | 602 | \r |
| | 603 | ldmfd sp!, {r4-r11,pc}\r |
| | 604 | \r |
| | 605 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| | 606 | \r |
| | 607 | .DrawStrip_vsscroll:\r |
| | 608 | tst r8, #1 @ if h40: lflags |= 0x10000\r |
| | 609 | orrne r0, r0, #0x10000\r |
| | 610 | \r |
| | 611 | rsb r8, r3, #0\r |
| | 612 | mov r8, r8, lsr #3 @ r8=tilex=(-ts->hscroll)>>3\r |
| | 613 | bic r8, r8, #0x3fc00000\r |
| | 614 | orr r8, r8, r5, lsl #25 @ r8=(xmask[31:25]|had_output[24]|!force[23]|tilex[21:0])\r |
| | 615 | \r |
| | 616 | ldr r11, [sp, #9*4] @ est\r |
| | 617 | orr r5, r1, r10, lsl #24\r |
| | 618 | ldr r4, [r11, #OFS_EST_DrawScanline]\r |
| | 619 | sub r1, r3, #1\r |
| | 620 | orr r5, r5, r4, lsl #16 @ r5=(shift_width[31:24]|scanline[23:16]|ymask[15:0])\r |
| | 621 | and r1, r1, #7\r |
| | 622 | add r7, r1, #1 @ r7=dx=((ts->hscroll-1)&7)+1\r |
| | 623 | \r |
| | 624 | mov r10,r9, lsl #16\r |
| | 625 | orr r10,r10, #0xff000000 @ will be adjusted on entering loop\r |
| | 626 | tst r0, #1\r |
| | 627 | orrne r10,r10, #0x8000\r |
| | 628 | tst r3, #0x0f @ hscroll & 0x0f?\r |
| | 629 | beq 0f\r |
| | 630 | eor r3, r3, r7\r |
| | 631 | sub r10,r10, #1<<24 @ cell-- // start from negative for hscroll\r |
| | 632 | tst r3, #0x08\r |
| | 633 | subne r10,r10, #1<<16 @ cells--\r |
| | 634 | subne r10,r10, #1<<24 @ cell-- // even more negative\r |
| | 635 | \r |
| | 636 | add_c24 r1, lr, (OFS_PMEM_vsram-OFS_PMEM_vram)\r |
| | 637 | tst r0, #0x10000 @ h40?\r |
| | 638 | ldrne r3, [r1, #0x00] @ r3=vsram[0x00..0x01]\r |
| | 639 | ldreq r3, [r1, #0x40] @ r3=vsram[0x20..0x21]\r |
| | 640 | str r3, [r1, #0x7c] @ vsram[0x3e..0x3f]=r3\r |
| | 641 | 0:\r |
| | 642 | tst r9, #1<<30\r |
| | 643 | mov r3, #0\r |
| | 644 | orrne r10,r10, #1<<23 @ r10=(cell[31:24]|sh[23]|hi_not_empty[22]|cells_max[21:16]|plane[15]|ty[14:0])\r |
| | 645 | movne r3, #0x80 @ default to shadowed pal on sh mode\r |
| | 646 | @ tst r9, #1<<31\r |
| | 647 | @ orreq r8, r8, #1<<23\r |
| | 648 | \r |
| | 649 | and r9, r9, #0xff00\r |
| | 650 | add r8, r8, r9, lsr #8 @ tilex+=cellskip\r |
| | 651 | add r7, r7, r9, lsr #5 @ dx+=cellskip<<3;\r |
| | 652 | add r10,r10,r9, lsl #16 @ cell+=cellskip\r |
| | 653 | \r |
| | 654 | @ cache some stuff to avoid mem access\r |
| | 655 | ldr r11,[sp, #9*4] @ est\r |
| | 656 | mov r0, #0xf\r |
| | 657 | ldr r11,[r11, #OFS_EST_HighCol]\r |
| | 658 | \r |
| | 659 | mvn r9, #0 @ r9=prevcode=-1\r |
| | 660 | add r1, r11, r7 @ r1=pdest\r |
| | 661 | \r |
| | 662 | @ r10=cells[31:24]|sh[23]|hi_not_empty[22]|cells_max[21:16]|plane[15]|ty[14:0]\r |
| | 663 | @ r8=xmask[31:25]|had_output[24]|!force[23]|tilex[21:0]\r |
| | 664 | @ r5=shift_width[31:24]|scanline[23:16]|ymask[15:0]\r |
| | 665 | @ r3=nametabadd[31:16]|must_be_0[15:8]|pal[7:0]\r |
| | 666 | @ r1=pd+dx r2=pack r6=hc r9=prevcode r11=HighCol r12=nametab lr=vram\r |
| | 667 | @ r4 & r7 are scratch in this loop\r |
| | 668 | \r |
| | 669 | @ need to calc new ty?\r |
| | 670 | movs r7, r10, lsl #7 @ (cell&1)?\r |
| | 671 | bmi .dsloop_vs_subr1\r |
| | 672 | \r |
| | 673 | @ calc offset and read tileline code to r7, also calc ty\r |
| | 674 | add_c24 r7, lr, (OFS_PMEM_vsram-OFS_PMEM_vram)\r |
| | 675 | and r4, r10, #0x3e000000\r |
| | 676 | add r7, r7, r4, asr #23 @ vsram + ((cell&0x3e)<<1)\r |
| | 677 | tst r10,#0x8000 @ plane1?\r |
| | 678 | addne r7, r7, #2\r |
| | 679 | ldrh r7, [r7] @ r7=vscroll\r |
| | 680 | \r |
| | 681 | bic r10,r10,#0xff @ clear old ty\r |
| | 682 | and r4, r5, #0xff0000 @ scanline\r |
| | 683 | add r4, r4, r7, lsl #16 @ ... += vscroll\r |
| | 684 | and r4, r4, r5, lsl #16 @ ... &= ymask\r |
| | 685 | and r7, r4, #0x70000\r |
| | 686 | orr r10,r10,r7, lsr #15 @ new ty\r |
| | 687 | \r |
| | 688 | mov r4, r4, lsr #19\r |
| | 689 | mov r7, r5, lsr #24\r |
| | 690 | mov r4, r4, lsl r7 @ nametabadd\r |
| | 691 | and r3, r3, #0xff\r |
| | 692 | orr r3, r3, r4, lsl #16 @ r3=(nametabadd[31:16],pal[15:0])\r |
| | 693 | \r |
| | 694 | .dsloop_vs_subr1:\r |
| | 695 | sub r1, r1, #8\r |
| | 696 | .dsloop_vs: @ 40-41 times\r |
| | 697 | add r10,r10, #0x01000000\r |
| | 698 | and r4, r10, #0x003f0000\r |
| | 699 | cmp r4, r10, asr #8\r |
| | 700 | ble .dsloop_vs_exit\r |
| | 701 | \r |
| | 702 | @ need to calc new ty?\r |
| | 703 | movs r7, r10, lsl #7 @ (cell&1)?\r |
| | 704 | bmi 0f\r |
| | 705 | \r |
| | 706 | @ calc offset and read tileline code to r7, also calc ty\r |
| | 707 | add_c24 r7, lr, (OFS_PMEM_vsram-OFS_PMEM_vram)\r |
| | 708 | and r4, r10, #0x3e000000\r |
| | 709 | add r7, r7, r4, asr #23 @ vsram + ((cell&0x3e)<<1)\r |
| | 710 | tst r10,#0x8000 @ plane1?\r |
| | 711 | addne r7, r7, #2\r |
| | 712 | ldrh r7, [r7] @ r7=vscroll\r |
| | 713 | \r |
| | 714 | bic r10,r10,#0xff @ clear old ty\r |
| | 715 | and r4, r5, #0xff0000 @ scanline\r |
| | 716 | add r4, r4, r7, lsl #16 @ ... += vscroll\r |
| | 717 | and r4, r4, r5, lsl #16 @ ... &= ymask\r |
| | 718 | and r7, r4, #0x70000\r |
| | 719 | orr r10,r10,r7, lsr #15 @ new ty\r |
| | 720 | \r |
| | 721 | mov r4, r4, lsr #19\r |
| | 722 | mov r7, r5, lsr #24\r |
| | 723 | mov r4, r4, lsl r7 @ nametabadd\r |
| | 724 | and r3, r3, #0xff\r |
| | 725 | orr r3, r3, r4, lsl #16 @ r3=(nametabadd[31:16],pal[15:0])\r |
| | 726 | 0:\r |
| | 727 | and r7, r8, r8, lsr #25\r |
| | 728 | add r7, lr, r7, lsl #1 @ PicoMem.vram+((tilex&ts->xmask) as halfwords)\r |
| | 729 | add r7, r7, r3, lsr #15\r |
| | 730 | ldrh r7, [r7, r12] @ r7=code (int, but from unsigned, no sign extend)\r |
| | 731 | \r |
| | 732 | add r1, r1, #8\r |
| | 733 | add r8, r8, #1\r |
| | 734 | \r |
| | 735 | orr r7, r7, r10, lsl #24 @ code | (ty << 24)\r |
| | 736 | cmp r7, r9\r |
| | 737 | beq .DrawStrip_vs_samecode @ we know stuff about this tile already\r |
| | 738 | \r |
| | 739 | mov r9, r7 @ remember code\r |
| | 740 | \r |
| | 741 | tst r9, #0x1000 @ if (code&0x1000)\r |
| | 742 | mov r2, r9, lsl #21\r |
| | 743 | add r2, r2, r10, lsl #17\r |
| | 744 | eorne r2, r2, #0x0e<<17 @ if (code&0x1000) addr^=0xe;\r |
| | 745 | \r |
| | 746 | ldr r2, [lr, r2, lsr #16] @ pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels\r |
| | 747 | \r |
| | 748 | .DrawStrip_vs_samecode:\r |
| | 749 | tst r9, #0x8000\r |
| | 750 | @ tstne r8, #1<<23 @ !force[23]\r |
| | 751 | bne .DrawStrip_vs_hiprio\r |
| | 752 | \r |
| | 753 | orr r8, r8, #(1<<24)@ seen non hi-prio tile\r |
| | 754 | tst r2, r2\r |
| | 755 | beq .dsloop_vs @ tileline blank\r |
| | 756 | \r |
| | 757 | bic r7, r3, #0x7f\r |
| | 758 | and r3, r9, #0x6000\r |
| | 759 | add r3, r7, r3, lsr #9 @ r3=pal=((code&0x6000)>>9);\r |
| | 760 | \r |
| | 761 | cmp r2, r2, ror #4\r |
| | 762 | beq .DrawStrip_vs_SingleColor @ tileline singlecolor \r |
| | 763 | \r |
| | 764 | tst r9, #0x0800\r |
| | 765 | bne .DrawStrip_vs_TileFlip\r |
| | 766 | \r |
| | 767 | @ (r1=pdest, r2=pixels8, r3=pal) r4: scratch, r0: helper pattern\r |
| | 768 | .DrawStrip_vs_TileNorm:\r |
| | 769 | TileNorm r0\r |
| | 770 | b .dsloop_vs\r |
| | 771 | \r |
| | 772 | .DrawStrip_vs_TileFlip:\r |
| | 773 | TileFlip r0\r |
| | 774 | b .dsloop_vs\r |
| | 775 | \r |
| | 776 | .DrawStrip_vs_SingleColor:\r |
| | 777 | and r4, r2, #0xf\r |
| | 778 | orr r4, r3, r4\r |
| | 779 | orr r4, r4, r4, lsl #8\r |
| | 780 | tst r1, #1 @ not aligned?\r |
| | 781 | strneb r4, [r1], #1\r |
| | 782 | streqh r4, [r1], #2\r |
| | 783 | strh r4, [r1], #2\r |
| | 784 | strh r4, [r1], #2\r |
| | 785 | strh r4, [r1], #2\r |
| | 786 | strneb r4, [r1], #1 @ have a remaining unaligned pixel?\r |
| | 787 | b .dsloop_vs_subr1\r |
| | 788 | \r |
| | 789 | .DrawStrip_vs_hiprio:\r |
| | 790 | tst r10, #(1<<23) @ sh[23]\r |
| | 791 | tsteq r2, r2 @ if (!sh[23] && code==blank) continue\r |
| | 792 | beq .dsloop_vs\r |
| | 793 | \r |
| | 794 | @ orr r10, r10, #1<<22 @ hi_not_empty[22]\r |
| | 795 | sub r7, r1, r11\r |
| | 796 | orr r7, r9, r7, lsl #16\r |
| | 797 | orr r7, r7, r10, lsl #25 @ (ty<<25)\r |
| | 798 | tst r9, #0x1000\r |
| | 799 | eorne r7, r7, #7<<26 @ if(code&0x1000) cval^=7<<26;\r |
| | 800 | str r7, [r6], #4 @ cache hi priority tile code\r |
| | 801 | str r2, [r6], #4 @ cache hi priority tile data\r |
| | 802 | b .dsloop_vs\r |
| | 803 | \r |
| | 804 | .dsloop_vs_exit:\r |
| | 805 | tst r8, #(1<<24) @ seen non hi-prio tile\r |
| | 806 | ldr r1, [sp, #9*4] @ est\r |
| | 807 | mov r0, #0\r |
| | 808 | ldreq r2, [r1, #OFS_EST_rendstatus]\r |
| | 809 | str r0, [r6] @ terminate the cache list\r |
| | 810 | orreq r2, r2, #PDRAW_PLANE_HI_PRIO @ had a layer with all hi-prio tiles\r |
| | 811 | streq r2, [r1, #OFS_EST_rendstatus]\r |
| | 812 | \r |
| | 813 | ldmfd sp!, {r4-r11,pc}\r |
| | 814 | \r |
| | 815 | \r |
| | 816 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| | 817 | \r |
| | 818 | @ interlace mode 2? Sonic 2?\r |
| | 819 | .DrawStrip_interlace:\r |
| | 820 | tst r0, r0\r |
| | 821 | movne r7, r7, lsr #16\r |
| | 822 | mov r7, r7, lsl #21\r |
| | 823 | \r |
| | 824 | @ Find the line in the name table\r |
| | 825 | add r2, r7, r2, lsl #22 @ r2=(vscroll+(DrawScanline<<1))<<21 (11 bits);\r |
| | 826 | orr r1, r1, #0x80000000\r |
| | 827 | and r2, r2, r1, ror #10 @ &((ymask<<1)|1)<<21;\r |
| | 828 | mov r2, r2, lsr #21\r |
| | 829 | mov r4, r2, lsr #4\r |
| | 830 | mov r12, r12, lsr #1 @ halfwords\r |
| | 831 | add r0, r12, r4, lsl r10 @ nametab+=(ts.line>>4)<<shift[width];\r |
| | 832 | and r9, r9, #0xff\r |
| | 833 | \r |
| | 834 | sub sp, sp, #6*4\r |
| | 835 | stmia sp, {r0,r2,r3,r5,r6,r9}\r |
| | 836 | \r |
| | 837 | mov r0, sp\r |
| | 838 | mov r1, r9, lsr #29\r |
| | 839 | bl DrawStripInterlace @ struct TileStrip *ts, int plane_sh\r |
| | 840 | \r |
| | 841 | add sp, sp, #6*4\r |
| | 842 | ldmfd sp!, {r4-r11,pc}\r |
| | 843 | \r |
| | 844 | .pool\r |
| | 845 | \r |
| | 846 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| | 847 | \r |
| | 848 | @ void BackFill(int reg7, int sh, struct PicoEState *est)\r |
| | 849 | \r |
| | 850 | .global BackFill\r |
| | 851 | \r |
| | 852 | BackFill:\r |
| | 853 | stmfd sp!, {r4-r9,lr}\r |
| | 854 | \r |
| | 855 | ldr lr, [r2, #OFS_EST_HighCol]\r |
| | 856 | orr r0, r0, r1, lsl #7\r |
| | 857 | orr r0, r0, r0, lsl #8\r |
| | 858 | orr r0, r0, r0, lsl #16\r |
| | 859 | \r |
| | 860 | mov r1, r0\r |
| | 861 | mov r2, r0\r |
| | 862 | mov r3, r0\r |
| | 863 | mov r4, r0\r |
| | 864 | mov r5, r0\r |
| | 865 | mov r6, r0\r |
| | 866 | mov r7, r0\r |
| | 867 | \r |
| | 868 | @ go go go!\r |
| | 869 | add lr, lr, #8\r |
| | 870 | stmia lr!, {r0-r7} @ 10*8*4\r |
| | 871 | stmia lr!, {r0-r7}\r |
| | 872 | stmia lr!, {r0-r7}\r |
| | 873 | stmia lr!, {r0-r7}\r |
| | 874 | stmia lr!, {r0-r7}\r |
| | 875 | stmia lr!, {r0-r7}\r |
| | 876 | stmia lr!, {r0-r7}\r |
| | 877 | stmia lr!, {r0-r7}\r |
| | 878 | stmia lr!, {r0-r7}\r |
| | 879 | stmia lr!, {r0-r7}\r |
| | 880 | \r |
| | 881 | ldmfd sp!, {r4-r9,pc}\r |
| | 882 | \r |
| | 883 | \r |
| | 884 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| | 885 | \r |
| | 886 | @ void DrawTilesFromCache(int *hc, int sh, int rlim, struct PicoEState *est)\r |
| | 887 | \r |
| | 888 | .global DrawTilesFromCache\r |
| | 889 | \r |
| | 890 | DrawTilesFromCache:\r |
| | 891 | stmfd sp!, {r4-r9,r11,lr}\r |
| | 892 | \r |
| | 893 | @ cache some stuff to avoid mem access\r |
| | 894 | ldr r11,[r3, #OFS_EST_HighCol]\r |
| | 895 | mov r12,#0xf\r |
| | 896 | ldr lr, [r3, #OFS_EST_PicoMem_vram]\r |
| | 897 | mov r9, r3 @ est\r |
| | 898 | \r |
| | 899 | ands r8, r1, #1\r |
| | 900 | orr r8, r8, r2, lsl #1\r |
| | 901 | bne .dtfc_check_rendflags\r |
| | 902 | \r |
| | 903 | @ scratch: r4, r7\r |
| | 904 | .dtfc_loop:\r |
| | 905 | ldr r6, [r0], #4 @ read code\r |
| | 906 | movs r1, r6, lsr #16 @ r1=dx;\r |
| | 907 | ldmeqfd sp!, {r4-r9,r11,pc} @ dx is never zero, this must be a terminator, return\r |
| | 908 | bic r4, r1, #0xfe00\r |
| | 909 | add r1, r11, r4 @ r1=pdest\r |
| | 910 | \r |
| | 911 | ldr r2, [r0], #4 @ read pixel data\r |
| | 912 | \r |
| | 913 | and r3, r6, #0x6000\r |
| | 914 | mov r3, r3, lsr #9 @ r3=pal=((code&0x6000)>>9);\r |
| | 915 | \r |
| | 916 | rsbs r4, r4, r8, lsr #1\r |
| | 917 | bmi .dtfc_cut_tile\r |
| | 918 | \r |
| | 919 | tst r8, #1\r |
| | 920 | bne .dtfc_shadow\r |
| | 921 | \r |
| | 922 | tst r2, r2\r |
| | 923 | beq .dtfc_loop\r |
| | 924 | \r |
| | 925 | cmp r2, r2, ror #4\r |
| | 926 | beq .dtfc_SingleColor @ tileline singlecolor \r |
| | 927 | \r |
| | 928 | tst r6, #0x0800\r |
| | 929 | bne .dtfc_TileFlip\r |
| | 930 | \r |
| | 931 | @ (r1=pdest, r2=pixels8, r3=pal) r4: scratch, r12: helper pattern\r |
| | 932 | .dtfc_TileNorm:\r |
| | 933 | TileNorm r12\r |
| | 934 | b .dtfc_loop\r |
| | 935 | \r |
| | 936 | .dtfc_TileFlip:\r |
| | 937 | TileFlip r12\r |
| | 938 | b .dtfc_loop\r |
| | 939 | \r |
| | 940 | .dtfc_SingleColor:\r |
| | 941 | and r4, r2, #0xf\r |
| | 942 | orr r4, r3, r4\r |
| | 943 | orr r4, r4, r4, lsl #8\r |
| | 944 | tst r1, #1 @ not aligned?\r |
| | 945 | strneb r4, [r1], #1\r |
| | 946 | streqh r4, [r1], #2\r |
| | 947 | strh r4, [r1], #2\r |
| | 948 | strh r4, [r1], #2\r |
| | 949 | strh r4, [r1], #2\r |
| | 950 | strneb r4, [r1], #1 @ have a remaining unaligned pixel?\r |
| | 951 | b .dtfc_loop\r |
| | 952 | \r |
| | 953 | .dtfc_shadow:\r |
| | 954 | tst r2, r2\r |
| | 955 | beq .dtfc_shadow_blank\r |
| | 956 | \r |
| | 957 | cmp r2, r2, ror #4\r |
| | 958 | beq .dtfc_SingleColor @ tileline singlecolor \r |
| | 959 | \r |
| | 960 | tst r6, #0x0800\r |
| | 961 | bne .dtfc_TileFlipShHP\r |
| | 962 | \r |
| | 963 | @ (r1=pdest, r2=pixels8, r3=pal) r4: scratch, r12: helper pattern\r |
| | 964 | .dtfc_TileNormShHP:\r |
| | 965 | TileNormShHP\r |
| | 966 | b .dtfc_loop\r |
| | 967 | \r |
| | 968 | .dtfc_TileFlipShHP:\r |
| | 969 | TileFlipShHP\r |
| | 970 | b .dtfc_loop\r |
| | 971 | \r |
| | 972 | .dtfc_shadow_blank:\r |
| | 973 | tst r1, #1\r |
| | 974 | ldrneb r4, [r1]\r |
| | 975 | mov r6, #0x7f\r |
| | 976 | and r4, r4, r6\r |
| | 977 | strneb r4, [r1], #1\r |
| | 978 | ldrh r4, [r1]\r |
| | 979 | orr r6, r6, r6, lsl #8\r |
| | 980 | and r4, r4, r6\r |
| | 981 | strh r4, [r1], #2\r |
| | 982 | ldrh r4, [r1]\r |
| | 983 | and r4, r4, r6\r |
| | 984 | strh r4, [r1], #2\r |
| | 985 | ldrh r4, [r1]\r |
| | 986 | and r4, r4, r6\r |
| | 987 | strh r4, [r1], #2\r |
| | 988 | ldrh r4, [r1]\r |
| | 989 | and r4, r4, r6\r |
| | 990 | streqh r4, [r1]\r |
| | 991 | strneb r4, [r1]\r |
| | 992 | b .dtfc_loop\r |
| | 993 | \r |
| | 994 | .dtfc_cut_tile:\r |
| | 995 | cmn r4, #8\r |
| | 996 | ble .dtfc_loop @ off limits\r |
| | 997 | \r |
| | 998 | rsb r4, r4, #0 @ 1-7\r |
| | 999 | mov r4, r4, lsl #2\r |
| | 1000 | mvn r12,#0\r |
| | 1001 | tst r6, #0x0800 @ flipped?\r |
| | 1002 | moveq r12,r12, lsl r4\r |
| | 1003 | movne r12,r12, lsr r4\r |
| | 1004 | and r2, r2, r12, ror #16\r |
| | 1005 | mov r12,#0xf\r |
| | 1006 | tst r8, #1\r |
| | 1007 | bne .dtfc_shadow\r |
| | 1008 | tst r2, r2\r |
| | 1009 | beq .dtfc_loop\r |
| | 1010 | tst r6, #0x0800\r |
| | 1011 | beq .dtfc_TileNorm\r |
| | 1012 | b .dtfc_TileFlip\r |
| | 1013 | \r |
| | 1014 | @ check if we have detected layer covered with hi-prio tiles:\r |
| | 1015 | .dtfc_check_rendflags:\r |
| | 1016 | ldr r2, [r9, #OFS_EST_rendstatus]\r |
| | 1017 | tst r2, #(PDRAW_PLANE_HI_PRIO|PDRAW_SHHI_DONE)\r |
| | 1018 | beq .dtfc_loop\r |
| | 1019 | bic r8, r8, #1 @ sh/hi mode off\r |
| | 1020 | tst r2, #PDRAW_SHHI_DONE\r |
| | 1021 | bne .dtfc_loop @ already processed\r |
| | 1022 | orr r2, r2, #PDRAW_SHHI_DONE\r |
| | 1023 | str r2, [r9, #OFS_EST_rendstatus]\r |
| | 1024 | \r |
| | 1025 | add r1, r11,#8\r |
| | 1026 | mov r3, #320/4/4\r |
| | 1027 | mov r6, #0x7f\r |
| | 1028 | orr r6, r6, r6, lsl #8\r |
| | 1029 | orr r6, r6, r6, lsl #16\r |
| | 1030 | .dtfc_loop_shprep:\r |
| | 1031 | ldmia r1, {r2,r4,r5,r7}\r |
| | 1032 | subs r3, r3, #1\r |
| | 1033 | and r2, r2, r6\r |
| | 1034 | and r4, r4, r6\r |
| | 1035 | and r5, r5, r6\r |
| | 1036 | and r7, r7, r6\r |
| | 1037 | stmia r1!,{r2,r4,r5,r7}\r |
| | 1038 | bne .dtfc_loop_shprep\r |
| | 1039 | \r |
| | 1040 | b .dtfc_loop\r |
| | 1041 | \r |
| | 1042 | .pool\r |
| | 1043 | \r |
| | 1044 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| | 1045 | \r |
| | 1046 | \r |
| | 1047 | @ void DrawSpritesSHi(unsigned char *sprited, struct PicoEState *est)\r |
| | 1048 | \r |
| | 1049 | .global DrawSpritesSHi\r |
| | 1050 | \r |
| | 1051 | DrawSpritesSHi:\r |
| | 1052 | ldrb r3, [r0]\r |
| | 1053 | mov r12,#0xff\r |
| | 1054 | ands r3, r3, #0x7f\r |
| | 1055 | bxeq lr\r |
| | 1056 | \r |
| | 1057 | stmfd sp!, {r1,r3-r11,lr} @ +est\r |
| | 1058 | strb r12,[r0,#3] @ set end marker\r |
| | 1059 | ldrb r12,[r0,#1]\r |
| | 1060 | add r10,r0, #4 @ r10=HighLnSpr end\r |
| | 1061 | mvn r12,r12\r |
| | 1062 | tst r12,#0x6 @ masking in slot 1 and tile ovfl?\r |
| | 1063 | ldmeqfd sp!, {r1,r3-r11,pc}\r |
| | 1064 | add r10,r10,r3 @ r10=HighLnSpr end\r |
| | 1065 | \r |
| | 1066 | ldrb r12,[r10,#0] @ width of last sprite\r |
| | 1067 | ldr r11,[r1, #OFS_EST_HighCol]\r |
| | 1068 | str r12,[sp, #4]\r |
| | 1069 | mov r12,#0xf\r |
| | 1070 | ldr lr, [r1, #OFS_EST_PicoMem_vram]\r |
| | 1071 | \r |
| | 1072 | \r |
| | 1073 | DrawSpriteSHi:\r |
| | 1074 | @ draw next sprite\r |
| | 1075 | ldr r7, [sp] @ est\r |
| | 1076 | ldrb r0, [r10,#-1]!\r |
| | 1077 | ldr r1, [r7, #OFS_EST_HighPreSpr]\r |
| | 1078 | cmp r0, #0xff\r |
| | 1079 | ldmeqfd sp!, {r1,r3-r11,pc} @ end of list\r |
| | 1080 | and r0, r0, #0x7f\r |
| | 1081 | add r0, r1, r0, lsl #3\r |
| | 1082 | \r |
| | 1083 | ldr r9, [r0, #4] @ sprite[1]\r |
| | 1084 | mov r2, r9, asr #16 @ r2=sx\r |
| | 1085 | \r |
| | 1086 | mov r9, r9, lsl #16\r |
| | 1087 | mov r3, r9, lsr #31 @ priority\r |
| | 1088 | mov r9, r9, lsr #16\r |
| | 1089 | @ orr r9, r9, r8, lsl #31 @ r9=code|sh[31] @@ sh is always on here now\r |
| | 1090 | and r4, r9, #0x6000\r |
| | 1091 | orr r9, r9, r4, lsl #16\r |
| | 1092 | orr r9, r9, #0x90000000 @ r9=scc1 ???? ... <code> (s=shadow/hilight, cc=pal)\r |
| | 1093 | cmp r12,r9, lsr #28 @ sh/hi with pal3?\r |
| | 1094 | cmpne r3, #1 @ if not, is it hi prio?\r |
| | 1095 | strne r3, [sp, #4] @ reset last sprite width\r |
| | 1096 | bne DrawSpriteSHi @ non-operator low sprite, already drawn\r |
| | 1097 | \r |
| | 1098 | ldr r3, [r0] @ sprite[0]\r |
| | 1099 | mov r6, r3, lsr #28\r |
| | 1100 | sub r6, r6, #1 @ r6=width-1 (inc later)\r |
| | 1101 | mov r5, r3, lsr #24\r |
| | 1102 | and r5, r5, #7 @ r5=height\r |
| | 1103 | \r |
| | 1104 | ldr r7, [r7, #OFS_EST_DrawScanline]\r |
| | 1105 | mov r0, r3, lsl #16 @ r4=sy<<16 (tmp)\r |
| | 1106 | \r |
| | 1107 | sub r7, r7, r0, asr #16 @ r7=row=DrawScanline-sy\r |
| | 1108 | \r |
| | 1109 | tst r9, #0x1000\r |
| | 1110 | movne r0, r5, lsl #3\r |
| | 1111 | subne r0, r0, #1\r |
| | 1112 | subne r7, r0, r7 @ if (code&0x1000) row=(height<<3)-1-row; // Flip Y\r |
| | 1113 | \r |
| | 1114 | add r8, r9, r7, lsr #3 @ tile+=row>>3; // Tile number increases going down\r |
| | 1115 | tst r9, #0x0800\r |
| | 1116 | mlane r8, r5, r6, r8 @ if (code&0x0800) { tile+=delta*(width-1);\r |
| | 1117 | rsbne r5, r5, #0 @ delta=-delta; } // r5=delta now\r |
| | 1118 | \r |
| | 1119 | mov r8, r8, lsl #21\r |
| | 1120 | mov r8, r8, lsr #17\r |
| | 1121 | and r7, r7, #7\r |
| | 1122 | add r8, r8, r7, lsl #1 @ tile+=(row&7)<<1; // Tile address\r |
| | 1123 | \r |
| | 1124 | ldr r0, [sp, #4]\r |
| | 1125 | add r6, r6, #1 @ inc now\r |
| | 1126 | cmp r0, #0 @ check width of last sprite\r |
| | 1127 | movne r6, r0\r |
| | 1128 | movne r0, #0\r |
| | 1129 | strne r0, [sp, #4]\r |
| | 1130 | \r |
| | 1131 | mov r5, r5, lsl #4 @ delta<<=4; // Delta of address\r |
| | 1132 | mov r3, r4, lsr #9 @ r3=pal=((code>>9)&0x30);\r |
| | 1133 | \r |
| | 1134 | adds r0, r2, #0 @ mov sx to r0 and set ZV flags\r |
| | 1135 | b .dsprShi_loop_enter\r |
| | 1136 | \r |
| | 1137 | .dsprShi_loop:\r |
| | 1138 | subs r6, r6, #1 @ width--\r |
| | 1139 | beq DrawSpriteSHi\r |
| | 1140 | adds r0, r0, #8 @ sx+=8\r |
| | 1141 | add r8, r8, r5 @ tile+=delta\r |
| | 1142 | \r |
| | 1143 | .dsprShi_loop_enter:\r |
| | 1144 | ble .dsprShi_loop @ sx <= 0\r |
| | 1145 | cmp r0, #328\r |
| | 1146 | bge DrawSpriteSHi\r |
| | 1147 | \r |
| | 1148 | bic r8, r8, #0xf8000 @ tile&=0x7fff; // Clip tile address\r |
| | 1149 | ldr r2, [lr, r8, lsl #1] @ pack=*(unsigned int *)(PicoMem.vram+addr); // Get 8 pixels\r |
| | 1150 | add r1, r11, r0 @ r1=pdest\r |
| | 1151 | tst r2, r2\r |
| | 1152 | beq .dsprShi_loop\r |
| | 1153 | \r |
| | 1154 | cmp r12, r9, lsr #28\r |
| | 1155 | beq .dsprShi_shadow\r |
| | 1156 | \r |
| | 1157 | cmp r2, r2, ror #4\r |
| | 1158 | beq .dsprShi_SingleColor @ tileline singlecolor \r |
| | 1159 | \r |
| | 1160 | tst r9, #0x0800\r |
| | 1161 | bne .dsprShi_TileFlip\r |
| | 1162 | \r |
| | 1163 | @ (r1=pdest, r2=pixels8, r3=pal) r4: scratch, r12: helper pattern\r |
| | 1164 | @ scratch: r4, r7\r |
| | 1165 | .dsprShi_TileNorm:\r |
| | 1166 | TileNorm r12\r |
| | 1167 | b .dsprShi_loop\r |
| | 1168 | \r |
| | 1169 | .dsprShi_TileFlip:\r |
| | 1170 | TileFlip r12\r |
| | 1171 | b .dsprShi_loop\r |
| | 1172 | \r |
| | 1173 | .dsprShi_SingleColor:\r |
| | 1174 | and r4, r2, #0xf\r |
| | 1175 | orr r4, r3, r4\r |
| | 1176 | orr r4, r4, r4, lsl #8\r |
| | 1177 | tst r0, #1 @ not aligned?\r |
| | 1178 | strneb r4, [r1], #1\r |
| | 1179 | streqh r4, [r1], #2\r |
| | 1180 | strh r4, [r1], #2\r |
| | 1181 | strh r4, [r1], #2\r |
| | 1182 | strh r4, [r1], #2\r |
| | 1183 | strneb r4, [r1], #1\r |
| | 1184 | b .dsprShi_loop\r |
| | 1185 | \r |
| | 1186 | .dsprShi_shadow:\r |
| | 1187 | tst r9, #0x8000\r |
| | 1188 | beq .dsprShi_shadow_lowpri\r |
| | 1189 | \r |
| | 1190 | cmp r2, r2, ror #4\r |
| | 1191 | beq .dsprShi_singlec_sh\r |
| | 1192 | \r |
| | 1193 | tst r9, #0x0800\r |
| | 1194 | bne .dsprShi_TileFlip_sh\r |
| | 1195 | \r |
| | 1196 | @ (r1=pdest, r2=pixels8, r3=pal) r4, r7: scratch, r12: helper pattern\r |
| | 1197 | .dsprShi_TileNorm_sh:\r |
| | 1198 | TileNormSh\r |
| | 1199 | b .dsprShi_loop\r |
| | 1200 | \r |
| | 1201 | .dsprShi_TileFlip_sh:\r |
| | 1202 | TileFlipSh\r |
| | 1203 | b .dsprShi_loop\r |
| | 1204 | \r |
| | 1205 | .dsprShi_singlec_sh:\r |
| | 1206 | cmp r2, #0xe0000000\r |
| | 1207 | bcc .dsprShi_SingleColor @ normal singlecolor tileline (carry inverted in ARM)\r |
| | 1208 | tst r2, #0x10000000\r |
| | 1209 | bne .dsprShi_sh_sh\r |
| | 1210 | TileSingleHi\r |
| | 1211 | b .dsprShi_loop\r |
| | 1212 | \r |
| | 1213 | .dsprShi_sh_sh:\r |
| | 1214 | TileSingleSh\r |
| | 1215 | b .dsprShi_loop\r |
| | 1216 | \r |
| | 1217 | .dsprShi_shadow_lowpri:\r |
| | 1218 | tst r9, #0x800\r |
| | 1219 | bne .dsprShi_TileFlip_sh_lp\r |
| | 1220 | \r |
| | 1221 | .dsprShi_TileNorm_sh_lp:\r |
| | 1222 | TileNormSh_onlyop_lp\r |
| | 1223 | b .dsprShi_loop\r |
| | 1224 | \r |
| | 1225 | .dsprShi_TileFlip_sh_lp:\r |
| | 1226 | TileFlipSh_onlyop_lp\r |
| | 1227 | b .dsprShi_loop\r |
| | 1228 | \r |
| | 1229 | .pool\r |
| | 1230 | \r |
| | 1231 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| | 1232 | \r |
| | 1233 | @ void DrawAllSprites(unsigned char *sprited, int prio, int sh,\r |
| | 1234 | @ struct PicoEState *est)\r |
| | 1235 | \r |
| | 1236 | .global DrawAllSprites\r |
| | 1237 | \r |
| | 1238 | DrawAllSprites:\r |
| | 1239 | orr r1, r2, r1, lsl #1\r |
| | 1240 | ldr r2, [r0]\r |
| | 1241 | ands r2, r2, #0x7f\r |
| | 1242 | bxeq lr\r |
| | 1243 | \r |
| | 1244 | @ time to do some real work\r |
| | 1245 | stmfd sp!, {r1,r3-r11,lr} @ +sh|prio<<1 +est\r |
| | 1246 | mov r12,#0xff\r |
| | 1247 | strb r12,[r0,#3] @ set end marker\r |
| | 1248 | ldrb r12,[r0,#1]\r |
| | 1249 | add r10,r0 ,#4\r |
| | 1250 | mvn r12,r12\r |
| | 1251 | tst r12,#0x6 @ masking in slot 1 and tile ovfl?\r |
| | 1252 | ldmeqfd sp!, {r1,r3-r11,pc}\r |
| | 1253 | add r10,r10,r2 @ r10=HighLnSpr end\r |
| | 1254 | \r |
| | 1255 | ldrb r12,[r10,#0] @ width of last sprite\r |
| | 1256 | ldr r11,[r3, #OFS_EST_HighCol]\r |
| | 1257 | orr r1 ,r1 ,r12,lsl #24\r |
| | 1258 | str r1, [sp]\r |
| | 1259 | mov r12,#0xf\r |
| | 1260 | ldr lr, [r3, #OFS_EST_PicoMem_vram]\r |
| | 1261 | \r |
| | 1262 | @ + 0 : hhhhvvvv ----hhvv yyyyyyyy yyyyyyyy // v, h: horiz. size\r |
| | 1263 | @ + 4 : xxxxxxxx xxxxxxxx pccvhnnn nnnnnnnn // x: x coord + 8\r |
| | 1264 | \r |
| | 1265 | DrawSprite:\r |
| | 1266 | @ draw next sprite\r |
| | 1267 | ldrb r0, [r10,#-1]!\r |
| | 1268 | ldr r4, [sp] @ sh|prio<<1|lastw<<24\r |
| | 1269 | ldr r7, [sp, #4] @ est\r |
| | 1270 | mov r2, r0, lsl #24\r |
| | 1271 | cmp r0, #0xff\r |
| | 1272 | ldmeqfd sp!, {r1,r3-r11,pc} @ end of list\r |
| | 1273 | eors r2, r2, r4, lsl #30\r |
| | 1274 | bic r2, r4, #0xff000000\r |
| | 1275 | str r2, [sp]\r |
| | 1276 | bmi DrawSprite @ wrong priority\r |
| | 1277 | ldr r1, [r7, #OFS_EST_HighPreSpr]\r |
| | 1278 | and r0, r0, #0x7f\r |
| | 1279 | add r0, r1, r0, lsl #3\r |
| | 1280 | \r |
| | 1281 | ldr r3, [r0] @ sprite[0]\r |
| | 1282 | ldr r7, [r7, #OFS_EST_DrawScanline]\r |
| | 1283 | mov r6, r3, lsr #28\r |
| | 1284 | sub r6, r6, #1 @ r6=width-1 (inc later)\r |
| | 1285 | mov r5, r3, lsr #24\r |
| | 1286 | and r5, r5, #7 @ r5=height\r |
| | 1287 | \r |
| | 1288 | mov r8, r3, lsl #16 @ r8=sy<<16 (tmp)\r |
| | 1289 | \r |
| | 1290 | ldr r9, [r0, #4]\r |
| | 1291 | sub r7, r7, r8, asr #16 @ r7=row=DrawScanline-sy\r |
| | 1292 | \r |
| | 1293 | mov r2, r9, asr #16 @ r2=sx\r |
| | 1294 | mov r9, r9, lsl #16\r |
| | 1295 | mov r9, r9, lsr #16\r |
| | 1296 | orr r9, r9, r4, lsl #31 @ r9=code|sh[31]\r |
| | 1297 | \r |
| | 1298 | tst r9, #0x1000\r |
| | 1299 | movne r8, r5, lsl #3\r |
| | 1300 | subne r8, r8, #1\r |
| | 1301 | subne r7, r8, r7 @ if (code&0x1000) row=(height<<3)-1-row; // Flip Y\r |
| | 1302 | \r |
| | 1303 | add r8, r9, r7, lsr #3 @ tile+=row>>3; // Tile number increases going down\r |
| | 1304 | tst r9, #0x0800\r |
| | 1305 | mlane r8, r5, r6, r8 @ if (code&0x0800) { tile+=delta*(width-1);\r |
| | 1306 | rsbne r5, r5, #0 @ delta=-delta; } // r5=delta now\r |
| | 1307 | \r |
| | 1308 | mov r8, r8, lsl #21\r |
| | 1309 | mov r8, r8, lsr #17\r |
| | 1310 | and r7, r7, #7\r |
| | 1311 | add r8, r8, r7, lsl #1 @ tile+=(row&7)<<1; // Tile address\r |
| | 1312 | \r |
| | 1313 | add r6, r6, #1 @ inc now\r |
| | 1314 | cmp r4, #0x1000000 @ check width of last sprite\r |
| | 1315 | movhs r6, r4, lsr #24\r |
| | 1316 | \r |
| | 1317 | @ cache some stuff to avoid mem access\r |
| | 1318 | mov r5, r5, lsl #4 @ delta<<=4; // Delta of address\r |
| | 1319 | and r4, r9, #0x6000\r |
| | 1320 | orr r9, r9, r4, lsl #16\r |
| | 1321 | orrs r9, r9, #0x10000000 @ r9=scc1 ???? ... <code> (s=shadow/hilight, cc=pal)\r |
| | 1322 | \r |
| | 1323 | mov r3, r4, lsr #9 @ r3=pal=((code>>9)&0x30);\r |
| | 1324 | orrmi r3, r3, #0x80 @ for sh/hi\r |
| | 1325 | \r |
| | 1326 | adds r0, r2, #0 @ mov sx to r0 and set ZV flags\r |
| | 1327 | b .dspr_loop_enter\r |
| | 1328 | \r |
| | 1329 | .dspr_loop:\r |
| | 1330 | subs r6, r6, #1 @ width--\r |
| | 1331 | beq DrawSprite\r |
| | 1332 | adds r0, r0, #8 @ sx+=8\r |
| | 1333 | add r8, r8, r5 @ tile+=delta\r |
| | 1334 | \r |
| | 1335 | .dspr_loop_enter:\r |
| | 1336 | ble .dspr_loop @ sx <= 0\r |
| | 1337 | cmp r0, #328\r |
| | 1338 | bge DrawSprite\r |
| | 1339 | \r |
| | 1340 | bic r8, r8, #0xf8000 @ tile&=0x7fff; // Clip tile address\r |
| | 1341 | ldr r2, [lr, r8, lsl #1] @ pack=*(unsigned int *)(PicoMem.vram+addr); // Get 8 pixels\r |
| | 1342 | add r1, r11, r0 @ r1=pdest\r |
| | 1343 | tst r2, r2\r |
| | 1344 | beq .dspr_loop\r |
| | 1345 | \r |
| | 1346 | cmp r12, r9, lsr #28\r |
| | 1347 | beq .dspr_shadow\r |
| | 1348 | \r |
| | 1349 | tst r9, #0x80000000\r |
| | 1350 | bne .dspr_shnonsh\r |
| | 1351 | \r |
| | 1352 | cmp r2, r2, ror #4\r |
| | 1353 | beq .dspr_SingleColor @ tileline singlecolor \r |
| | 1354 | \r |
| | 1355 | tst r9, #0x0800\r |
| | 1356 | bne .dspr_TileFlip\r |
| | 1357 | \r |
| | 1358 | @ (r1=pdest, r2=pixels8, r3=pal) r4: scratch, r12: helper pattern\r |
| | 1359 | @ scratch: r4, r7\r |
| | 1360 | .dspr_TileNorm:\r |
| | 1361 | TileNorm r12\r |
| | 1362 | b .dspr_loop\r |
| | 1363 | \r |
| | 1364 | .dspr_TileFlip:\r |
| | 1365 | TileFlip r12\r |
| | 1366 | b .dspr_loop\r |
| | 1367 | \r |
| | 1368 | .dspr_singlec_sh:\r |
| | 1369 | cmp r2, #0xe0000000\r |
| | 1370 | bcs .dspr_TileNorm_sh @ op. tileline, markop. XXX: maybe add a spec. handler?\r |
| | 1371 | \r |
| | 1372 | .dspr_SingleColor:\r |
| | 1373 | and r4, r2, #0xf\r |
| | 1374 | orr r4, r3, r4\r |
| | 1375 | orr r4, r4, r4, lsl #8\r |
| | 1376 | tst r0, #1 @ not aligned?\r |
| | 1377 | strneb r4, [r1], #1\r |
| | 1378 | streqh r4, [r1], #2\r |
| | 1379 | strh r4, [r1], #2\r |
| | 1380 | strh r4, [r1], #2\r |
| | 1381 | strh r4, [r1], #2\r |
| | 1382 | strneb r4, [r1], #1\r |
| | 1383 | b .dspr_loop\r |
| | 1384 | \r |
| | 1385 | .dspr_shnonsh:\r |
| | 1386 | tst r9, #0x0800\r |
| | 1387 | bne .dspr_TileFlipNonSH\r |
| | 1388 | \r |
| | 1389 | @ (r1=pdest, r2=pixels8, r3=pal) r4: scratch, r12: helper pattern\r |
| | 1390 | @ scratch: r4, r7\r |
| | 1391 | .dspr_TileNormNonSH:\r |
| | 1392 | TileNormNonSH r12\r |
| | 1393 | b .dspr_loop\r |
| | 1394 | \r |
| | 1395 | .dspr_TileFlipNonSH:\r |
| | 1396 | TileFlipNonSH r12\r |
| | 1397 | b .dspr_loop\r |
| | 1398 | \r |
| | 1399 | .dspr_shadow:\r |
| | 1400 | cmp r2, r2, ror #4\r |
| | 1401 | beq .dspr_singlec_sh\r |
| | 1402 | \r |
| | 1403 | tst r9, #0x0800\r |
| | 1404 | bne .dspr_TileFlip_sh\r |
| | 1405 | \r |
| | 1406 | @ (r1=pdest, r2=pixels8, r3=pal) r4: scratch, r12: helper pattern\r |
| | 1407 | .dspr_TileNorm_sh:\r |
| | 1408 | TileNormSh_markop\r |
| | 1409 | b .dspr_loop\r |
| | 1410 | \r |
| | 1411 | .dspr_TileFlip_sh:\r |
| | 1412 | TileFlipSh_markop\r |
| | 1413 | b .dspr_loop\r |
| | 1414 | \r |
| | 1415 | \r |
| | 1416 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| | 1417 | \r |
| | 1418 | @ void DrawWindow(int tstart, int tend, int prio, int sh\r |
| | 1419 | @ struct PicoEState *est)\r |
| | 1420 | \r |
| | 1421 | .global DrawWindow\r |
| | 1422 | \r |
| | 1423 | DrawWindow:\r |
| | 1424 | ldr r12, [sp] @ est\r |
| | 1425 | stmfd sp!, {r4-r11,lr}\r |
| | 1426 | \r |
| | 1427 | ldr r6, [r12, #OFS_EST_Pico]\r |
| | 1428 | ldr r10, [r12, #OFS_EST_DrawScanline]\r |
| | 1429 | mov r11, r12 @ est\r |
| | 1430 | ldrb r12, [r6, #OFS_Pico_video_reg+3] @ pvid->reg[3]\r |
| | 1431 | \r |
| | 1432 | ldr r4, [r6, #OFS_Pico_video_reg+12]\r |
| | 1433 | mov r5, r10, lsr #3\r |
| | 1434 | and r10, r10, #7\r |
| | 1435 | mov r10, r10, lsl #1 @ r10=ty\r |
| | 1436 | \r |
| | 1437 | ldr r6, [r11, #OFS_EST_rendstatus]\r |
| | 1438 | ldr lr, [r11, #OFS_EST_PicoMem_vram]\r |
| | 1439 | \r |
| | 1440 | mov r12, r12, lsl #10\r |
| | 1441 | \r |
| | 1442 | tst r4, #1 @ 40 cell mode?\r |
| | 1443 | andne r12, r12, #0xf000 @ 0x3c<<10\r |
| | 1444 | andeq r12, r12, #0xf800\r |
| | 1445 | addne r12, r12, r5, lsl #7\r |
| | 1446 | addeq r12, r12, r5, lsl #6 @ nametab\r |
| | 1447 | add r12, r12, r0, lsl #2 @ +starttile\r |
| | 1448 | \r |
| | 1449 | ands r6, r6, #PDRAW_WND_DIFF_PRIO\r |
| | 1450 | cmpeq r2, #1 @ prio && !(rendstatus & WND_DIFF_PRIO)?\r |
| | 1451 | ldmeqfd sp!, {r4-r11,pc} @ yes, assume that whole window uses same priority\r |
| | 1452 | \r |
| | 1453 | orr r6, r6, r2\r |
| | 1454 | orr r6, r6, r3, lsl #8 @ shadow mode\r |
| | 1455 | \r |
| | 1456 | sub r8, r1, r0\r |
| | 1457 | \r |
| | 1458 | @ cache some stuff to avoid mem access\r |
| | 1459 | ldr r11, [r11, #OFS_EST_HighCol]\r |
| | 1460 | mov r8, r8, lsl #1 @ cells\r |
| | 1461 | mvn r9, #0 @ r9=prevcode=-1\r |
| | 1462 | add r1, r11, r0, lsl #4 @ r1=pdest=HighCol+starttile (+8 added in loop)\r |
| | 1463 | mov r0, #0xf\r |
| | 1464 | \r |
| | 1465 | @ r4,r5 are scratch in this loop\r |
| | 1466 | .dwloop:\r |
| | 1467 | add r1, r1, #8\r |
| | 1468 | .dwloop_nor1:\r |
| | 1469 | ldrh r7, [lr, r12] @ r7=code (int, but from unsigned, no sign extend)\r |
| | 1470 | add r12, r12, #2 @ halfwords\r |
| | 1471 | subs r8, r8, #1\r |
| | 1472 | bmi .dwloop_end @ done\r |
| | 1473 | \r |
| | 1474 | eor r5, r6, r7, lsr #15\r |
| | 1475 | tst r5, #1\r |
| | 1476 | orrne r6, r6, #PDRAW_WND_DIFF_PRIO @ wrong pri\r |
| | 1477 | bne .dwloop\r |
| | 1478 | \r |
| | 1479 | cmp r7, r9\r |
| | 1480 | beq .dw_samecode @ we know stuff about this tile already\r |
| | 1481 | \r |
| | 1482 | mov r9, r7 @ remember code\r |
| | 1483 | \r |
| | 1484 | tst r9, #0x1000 @ if (code&0x1000)\r |
| | 1485 | mov r2, r9, lsl #21\r |
| | 1486 | add r2, r2, r10, lsl #17\r |
| | 1487 | eorne r2, r2, #0xe<<17 @ if (code&0x1000) addr^=0xe;\r |
| | 1488 | \r |
| | 1489 | ldr r2, [lr, r2, lsr #16] @ pack=*(unsigned int *)(Pico.vram+addr); // Get 8 pixels\r |
| | 1490 | \r |
| | 1491 | and r3, r9, #0x6000\r |
| | 1492 | mov r3, r3, lsr #9 @ r3=pal=((code&0x6000)>>9);\r |
| | 1493 | \r |
| | 1494 | .dw_samecode:\r |
| | 1495 | tst r6, #0x100\r |
| | 1496 | bne .dw_shadow\r |
| | 1497 | .dw_shadow_done:\r |
| | 1498 | tst r2, r2\r |
| | 1499 | beq .dwloop @ tileline blank\r |
| | 1500 | \r |
| | 1501 | cmp r2, r2, ror #4\r |
| | 1502 | beq .dw_SingleColor @ tileline singlecolor \r |
| | 1503 | \r |
| | 1504 | tst r9, #0x0800\r |
| | 1505 | bne .dw_TileFlip\r |
| | 1506 | \r |
| | 1507 | @ (r1=pdest, r2=pixels8, r3=pal) r4: scratch, r0: helper pattern\r |
| | 1508 | .dw_TileNorm:\r |
| | 1509 | TileNorm r0\r |
| | 1510 | b .dwloop\r |
| | 1511 | \r |
| | 1512 | .dw_TileFlip:\r |
| | 1513 | TileFlip r0\r |
| | 1514 | b .dwloop\r |
| | 1515 | \r |
| | 1516 | .dw_SingleColor:\r |
| | 1517 | and r4, r0, r2 @ #0x0000000f\r |
| | 1518 | orr r4, r3, r4\r |
| | 1519 | orr r4, r4, r4, lsl #8\r |
| | 1520 | orr r4, r4, r4, lsl #16\r |
| | 1521 | mov r5, r4\r |
| | 1522 | stmia r1!, {r4,r5}\r |
| | 1523 | b .dwloop_nor1 @ we incremeted r1 ourselves\r |
| | 1524 | \r |
| | 1525 | .dw_shadow:\r |
| | 1526 | tst r6, #1 @ hi pri?\r |
| | 1527 | orreq r3, r3, #0x80\r |
| | 1528 | beq .dw_shadow_done\r |
| | 1529 | ldr r4, [r1]\r |
| | 1530 | mov r5, #0x7f\r |
| | 1531 | orr r5, r5, r5, lsl #8\r |
| | 1532 | orr r5, r5, r5, lsl #16\r |
| | 1533 | and r4, r4, r5\r |
| | 1534 | str r4, [r1]\r |
| | 1535 | ldr r4, [r1,#4]\r |
| | 1536 | and r4, r4, r5\r |
| | 1537 | str r4, [r1,#4]\r |
| | 1538 | b .dw_shadow_done\r |
| | 1539 | \r |
| | 1540 | .dwloop_end:\r |
| | 1541 | and r2, r6, #PDRAW_WND_DIFF_PRIO\r |
| | 1542 | ldmfd sp!, {r4-r11,lr}\r |
| | 1543 | ldr r0, [sp]\r |
| | 1544 | ldr r1, [r0, #OFS_EST_rendstatus]\r |
| | 1545 | orr r1, r1, r2\r |
| | 1546 | str r1, [r0, #OFS_EST_rendstatus]\r |
| | 1547 | \r |
| | 1548 | bx lr\r |
| | 1549 | \r |
| | 1550 | \r |
| | 1551 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| | 1552 | \r |
| | 1553 | \r |
| | 1554 | @ Convert 0000bbb0 ggg0rrr0\r |
| | 1555 | @ to rrrrrggg gggbbbbb\r |
| | 1556 | \r |
| | 1557 | @ r2,r3 - scratch, lr = 0x001c001c, r8 = 0x08610861\r |
| | 1558 | .macro convRGB565 reg\r |
| | 1559 | and r2, lr, \reg,lsr #7 @ b\r |
| | 1560 | and r3, lr, \reg,lsr #3 @ g\r |
| | 1561 | and \reg, lr, \reg,lsl #1 @ r\r |
| | 1562 | orr r2, r2, r3, lsl #6\r |
| | 1563 | orr \reg, r2, \reg,lsl #11\r |
| | 1564 | \r |
| | 1565 | and r2, r8, \reg,lsr #4\r |
| | 1566 | orr \reg, \reg, r2\r |
| | 1567 | .endm\r |
| | 1568 | \r |
| | 1569 | @ trashes: r2-r8,r12,lr; r8 = 0x08610861; r0,r1 are advanced\r |
| | 1570 | .macro vidConvCpyRGB565_local\r |
| | 1571 | mov r12, r2, lsr #3 @ repeats\r |
| | 1572 | mov lr, #0x001c0000\r |
| | 1573 | orr lr, lr, #0x01c @ lr == pattern 0x001c001c\r |
| | 1574 | \r |
| | 1575 | 0:\r |
| | 1576 | ldmia r1!, {r4-r7}\r |
| | 1577 | subs r12, r12, #1\r |
| | 1578 | convRGB565 r4\r |
| | 1579 | str r4, [r0], #4\r |
| | 1580 | convRGB565 r5\r |
| | 1581 | str r5, [r0], #4\r |
| | 1582 | convRGB565 r6\r |
| | 1583 | str r6, [r0], #4\r |
| | 1584 | convRGB565 r7\r |
| | 1585 | str r7, [r0], #4\r |
| | 1586 | \r |
| | 1587 | bgt 0b\r |
| | 1588 | .endm\r |
| | 1589 | \r |
| | 1590 | \r |
| | 1591 | .global vidConvCpyRGB565\r |
| | 1592 | \r |
| | 1593 | vidConvCpyRGB565: @ void *to, void *from, int pixels\r |
| | 1594 | stmfd sp!, {r4-r9,lr}\r |
| | 1595 | mov r8, #0x0061\r |
| | 1596 | orr r8, r8, #0x0800\r |
| | 1597 | orr r8, r8, r8, lsl #16\r |
| | 1598 | vidConvCpyRGB565_local\r |
| | 1599 | ldmfd sp!, {r4-r9,pc}\r |
| | 1600 | \r |
| | 1601 | \r |
| | 1602 | @ void PicoDoHighPal555(int sh, int line, struct PicoEState *est)\r |
| | 1603 | \r |
| | 1604 | .global PicoDoHighPal555\r |
| | 1605 | \r |
| | 1606 | PicoDoHighPal555:\r |
| | 1607 | stmfd sp!, {r4-r10,lr}\r |
| | 1608 | mov r10,r2 @ est\r |
| | 1609 | ldr r8, [r10, #OFS_EST_Pico]\r |
| | 1610 | \r |
| | 1611 | mov r9, r0\r |
| | 1612 | \r |
| | 1613 | add r0, r10, #OFS_EST_HighPal\r |
| | 1614 | \r |
| | 1615 | mov r1, #0\r |
| | 1616 | strb r1, [r8, #OFS_Pico_m_dirtyPal]\r |
| | 1617 | \r |
| | 1618 | ldr r1, [r10, #OFS_EST_PicoMem_cram]\r |
| | 1619 | mov r2, #0x40\r |
| | 1620 | mov r8, #0x0061\r |
| | 1621 | orr r8, r8, #0x0800\r |
| | 1622 | orr r8, r8, r8, lsl #16\r |
| | 1623 | \r |
| | 1624 | vidConvCpyRGB565_local\r |
| | 1625 | \r |
| | 1626 | cmp r9, #0\r |
| | 1627 | beq PicoDoHighPal555_end\r |
| | 1628 | \r |
| | 1629 | add r3, r10, #OFS_EST_HighPal\r |
| | 1630 | add r4, r3, #0x40*2\r |
| | 1631 | \r |
| | 1632 | @ hilighted pixels (0x40-0x7f):\r |
| | 1633 | @ t = ((dpal[i] >> 1) & 0x738e738e) + 0x738e738e;\r |
| | 1634 | @ t |= (t >> 4) & 0x08610861;\r |
| | 1635 | @ r8=0x08610861\r |
| | 1636 | mov r12, #0x008e\r |
| | 1637 | orr r12,r12,#0x7300\r |
| | 1638 | orr r12,r12,r12,lsl #16\r |
| | 1639 | mov lr, #0x40/4\r |
| | 1640 | .fl_loopcpRGB555_hi:\r |
| | 1641 | ldmia r3!, {r1,r6}\r |
| | 1642 | and r1, r12, r1, lsr #1\r |
| | 1643 | and r6, r12, r6, lsr #1\r |
| | 1644 | add r1, r12, r1\r |
| | 1645 | add r6, r12, r6\r |
| | 1646 | and r5, r8, r1, lsr #4\r |
| | 1647 | and r7, r8, r6, lsr #4\r |
| | 1648 | orr r1, r1, r5\r |
| | 1649 | orr r6, r6, r7\r |
| | 1650 | stmia r4!, {r1,r6}\r |
| | 1651 | subs lr, lr, #1\r |
| | 1652 | bne .fl_loopcpRGB555_hi\r |
| | 1653 | \r |
| | 1654 | sub r3, r3, #0x40*2\r |
| | 1655 | @ shadowed (0x80-0xbf), shadow|hilight (aka normal, 0xc0-0xff) pixels:\r |
| | 1656 | add r5, r3, #0xc0*2\r |
| | 1657 | mov lr, #0x40/4\r |
| | 1658 | .fl_loopcpRGB555_sh:\r |
| | 1659 | ldmia r3!, {r1,r6}\r |
| | 1660 | subs lr, lr, #1\r |
| | 1661 | stmia r5!, {r1,r6} @ 0xc0, normal\r |
| | 1662 | and r1, r12, r1, lsr #1\r |
| | 1663 | and r6, r12, r6, lsr #1\r |
| | 1664 | stmia r4!, {r1,r6}\r |
| | 1665 | bne .fl_loopcpRGB555_sh\r |
| | 1666 | \r |
| | 1667 | mov r0, #1\r |
| | 1668 | PicoDoHighPal555_end:\r |
| | 1669 | ldmfd sp!, {r4-r10,pc}\r |
| | 1670 | \r |
| | 1671 | \r |
| | 1672 | @ void FinalizeLine555(int sh, int line, struct PicoEState *est)\r |
| | 1673 | \r |
| | 1674 | .global FinalizeLine555\r |
| | 1675 | \r |
| | 1676 | FinalizeLine555:\r |
| | 1677 | ldr r3, [r2, #OFS_EST_rendstatus]\r |
| | 1678 | mov r0, r2\r |
| | 1679 | tst r3, #PDRAW_BGC_DMA\r |
| | 1680 | bne BgcDMA\r |
| | 1681 | \r |
| | 1682 | stmfd sp!, {r4-r11,lr}\r |
| | 1683 | mov r11,r2 @ est\r |
| | 1684 | mov r4, r3\r |
| | 1685 | \r |
| | 1686 | bl PicoDrawUpdateHighPal\r |
| | 1687 | \r |
| | 1688 | ldr r8, [r11, #OFS_EST_Pico]\r |
| | 1689 | add r3, r11, #OFS_EST_HighPal\r |
| | 1690 | \r |
| | 1691 | mov lr, #0xff\r |
| | 1692 | mov lr, lr, lsl #1\r |
| | 1693 | \r |
| | 1694 | ldr r5, [r11, #OFS_EST_PicoOpt]\r |
| | 1695 | ldr r1, [r11, #OFS_EST_HighCol]\r |
| | 1696 | ldr r0, [r11, #OFS_EST_DrawLineDest]\r |
| | 1697 | ldr r7, [r5, #OFS_PicoIn_AHW-OFS_PicoIn_opt]\r |
| | 1698 | ldrb r12,[r8, #OFS_Pico_video_reg+12]\r |
| | 1699 | ldrb r6, [r8, #OFS_Pico_video_reg+0]\r |
| | 1700 | ldr r2, [r8, #OFS_Pico_m_hardware]\r |
| | 1701 | add r1, r1, #8\r |
| | 1702 | \r |
| | 1703 | tst r7, #0x20 @ GG ?\r |
| | 1704 | tstne r2, #0x2 @ LCD ?\r |
| | 1705 | bne .fl_gg20col\r |
| | 1706 | \r |
| | 1707 | tst r7, #0x10 @ SMS ?\r |
| | 1708 | beq .fl_noSMS\r |
| | 1709 | \r |
| | 1710 | tst r6, #0x20\r |
| | 1711 | movne r2, #248/8 @ len = 248\r |
| | 1712 | addne r1, r1, #8 @ ps += 8\r |
| | 1713 | moveq r2, #256/8 @ len = 256\r |
| | 1714 | b .fl_check32scaling\r |
| | 1715 | \r |
| | 1716 | .fl_gg20col:\r |
| | 1717 | mov r2, #160/8 @ len = 160\r |
| | 1718 | tst r4, #PDRAW_SOFTSCALE\r |
| | 1719 | bne .fl_20scale_RGB555 @ scale 160->320\r |
| | 1720 | b .fl_checkborder\r |
| | 1721 | \r |
| | 1722 | .fl_noSMS:\r |
| | 1723 | tst r12, #1 @ h32?\r |
| | 1724 | movne r2, #320/8 @ len = 320\r |
| | 1725 | bne .fl_40colRGB555\r |
| | 1726 | mov r2, #256/8 @ len = 256\r |
| | 1727 | \r |
| | 1728 | .fl_check32scaling:\r |
| | 1729 | tst r4, #PDRAW_SOFTSCALE\r |
| | 1730 | rsbne r7, r2, #256/8\r |
| | 1731 | addne r0, r0, r7, lsl #3 @ pd += (256-len)>>1\r |
| | 1732 | bne .fl_32scale_RGB555 @ scale 256->320\r |
| | 1733 | \r |
| | 1734 | .fl_checkborder:\r |
| | 1735 | tst r4, #PDRAW_BORDER_32\r |
| | 1736 | rsbne r7, r2, #320/8 @ pd += (320-len)/2\r |
| | 1737 | addne r0, r0, r7, lsl #3\r |
| | 1738 | \r |
| | 1739 | .fl_40colRGB555:\r |
| | 1740 | #ifdef UNALIGNED_DRAWLINEDEST\r |
| | 1741 | @ this is basically for Gizmondo, which has unaligned odd lines in the framebuffer\r |
| | 1742 | tst r0, #2\r |
| | 1743 | bne .fl_RGB555u\r |
| | 1744 | #endif\r |
| | 1745 | \r |
| | 1746 | .fl_loopRGB555:\r |
| | 1747 | ldr r12, [r1], #4\r |
| | 1748 | ldr r7, [r1], #4\r |
| | 1749 | \r |
| | 1750 | and r4, lr, r12, lsl #1\r |
| | 1751 | ldrh r4, [r3, r4]\r |
| | 1752 | and r5, lr, r12, lsr #7\r |
| | 1753 | ldrh r5, [r3, r5]\r |
| | 1754 | and r6, lr, r12, lsr #15\r |
| | 1755 | ldrh r6, [r3, r6]\r |
| | 1756 | orr r4, r4, r5, lsl #16\r |
| | 1757 | \r |
| | 1758 | and r5, lr, r12, lsr #23\r |
| | 1759 | ldrh r5, [r3, r5]\r |
| | 1760 | and r8, lr, r7, lsl #1\r |
| | 1761 | ldrh r8, [r3, r8]\r |
| | 1762 | orr r5, r6, r5, lsl #16\r |
| | 1763 | \r |
| | 1764 | and r6, lr, r7, lsr #7\r |
| | 1765 | ldrh r6, [r3, r6]\r |
| | 1766 | and r12,lr, r7, lsr #15\r |
| | 1767 | ldrh r12,[r3, r12]\r |
| | 1768 | and r7, lr, r7, lsr #23\r |
| | 1769 | ldrh r7, [r3, r7]\r |
| | 1770 | orr r8, r8, r6, lsl #16\r |
| | 1771 | \r |
| | 1772 | subs r2, r2, #1\r |
| | 1773 | orr r12,r12, r7, lsl #16\r |
| | 1774 | \r |
| | 1775 | stmia r0!, {r4,r5,r8,r12}\r |
| | 1776 | bne .fl_loopRGB555\r |
| | 1777 | \r |
| | 1778 | ldmfd sp!, {r4-r11,pc}\r |
| | 1779 | \r |
| | 1780 | \r |
| | 1781 | .fl_32scale_RGB555:\r |
| | 1782 | ldr r5, [r5, #OFS_PicoIn_filter-OFS_PicoIn_opt]\r |
| | 1783 | \r |
| | 1784 | mov r9, #0xf700 @ f800 07e0 001f | e000 0780 001c | 3800 01e0 0007\r |
| | 1785 | orr r9, r9, #0x00de\r |
| | 1786 | \r |
| | 1787 | #ifdef UNALIGNED_DRAWLINEDEST\r |
| | 1788 | tst r0, #2\r |
| | 1789 | bne .fl_32scale_RGB555u\r |
| | 1790 | #endif\r |
| | 1791 | \r |
| | 1792 | and r5, r5, #0x3\r |
| | 1793 | add pc, pc, r5, lsl #2\r |
| | 1794 | nop\r |
| | 1795 | b .fl_32scale_nn\r |
| | 1796 | b .fl_32scale_snn\r |
| | 1797 | b .fl_32scale_bl2\r |
| | 1798 | b .fl_32scale_bl4\r |
| | 1799 | \r |
| | 1800 | .fl_32scale_nn:\r |
| | 1801 | ldr r12, [r1], #4\r |
| | 1802 | ldr r7, [r1], #4\r |
| | 1803 | \r |
| | 1804 | and r4, lr, r12, lsl #1\r |
| | 1805 | ldrh r4, [r3, r4]\r |
| | 1806 | and r5, lr, r12, lsr #7\r |
| | 1807 | ldrh r5, [r3, r5]\r |
| | 1808 | and r6, lr, r12, lsr #15\r |
| | 1809 | ldrh r6, [r3, r6]\r |
| | 1810 | and r10,lr, r12, lsr #23\r |
| | 1811 | ldrh r10,[r3, r10]\r |
| | 1812 | \r |
| | 1813 | orr r4, r4, r5, lsl #16\r |
| | 1814 | orr r5, r6, r6, lsl #16\r |
| | 1815 | \r |
| | 1816 | and r6, lr, r7, lsl #1\r |
| | 1817 | ldrh r6, [r3, r6]\r |
| | 1818 | and r8, lr, r7, lsr #7\r |
| | 1819 | ldrh r8, [r3, r8]\r |
| | 1820 | and r12,lr, r7, lsr #15\r |
| | 1821 | ldrh r12,[r3, r12]\r |
| | 1822 | and r7, lr, r7, lsr #23\r |
| | 1823 | ldrh r7, [r3, r7]\r |
| | 1824 | \r |
| | 1825 | orr r6, r10,r6, lsl #16\r |
| | 1826 | orr r8, r8,r12, lsl #16\r |
| | 1827 | \r |
| | 1828 | subs r2, r2, #1\r |
| | 1829 | \r |
| | 1830 | orr r10,r12,r7, lsl #16\r |
| | 1831 | \r |
| | 1832 | stmia r0!, {r4,r5,r6,r8,r10}\r |
| | 1833 | bne .fl_32scale_nn\r |
| | 1834 | \r |
| | 1835 | b .fl_32scale_8bit\r |
| | 1836 | \r |
| | 1837 | .fl_32scale_snn:\r |
| | 1838 | ldr r12, [r1], #4\r |
| | 1839 | ldr r7, [r1], #4\r |
| | 1840 | \r |
| | 1841 | and r4, lr, r12, lsl #1\r |
| | 1842 | ldrh r4, [r3, r4]\r |
| | 1843 | and r5, lr, r12, lsr #7\r |
| | 1844 | ldrh r5, [r3, r5]\r |
| | 1845 | and r6, lr, r12, lsr #15\r |
| | 1846 | ldrh r6, [r3, r6]\r |
| | 1847 | and r10,lr, r12, lsr #23\r |
| | 1848 | ldrh r10,[r3, r10]\r |
| | 1849 | \r |
| | 1850 | and r4, r4, r9\r |
| | 1851 | and r5, r5, r9\r |
| | 1852 | orr r4, r4, r5, lsl #16\r |
| | 1853 | and r6, r6, r9\r |
| | 1854 | add r5, r5, r6\r |
| | 1855 | mov r5, r5, lsr #1\r |
| | 1856 | orr r5, r5, r6, lsl #16\r |
| | 1857 | \r |
| | 1858 | and r6, lr, r7, lsl #1\r |
| | 1859 | ldrh r6, [r3, r6]\r |
| | 1860 | and r8, lr, r7, lsr #7\r |
| | 1861 | ldrh r8, [r3, r8]\r |
| | 1862 | and r12,lr, r7, lsr #15\r |
| | 1863 | ldrh r12,[r3, r12]\r |
| | 1864 | and r7, lr, r7, lsr #23\r |
| | 1865 | ldrh r7, [r3, r7]\r |
| | 1866 | \r |
| | 1867 | and r6, r6, r9\r |
| | 1868 | and r10,r10,r9\r |
| | 1869 | orr r6, r10,r6, lsl #16\r |
| | 1870 | and r12,r12,r9\r |
| | 1871 | and r7, r7, r9\r |
| | 1872 | orr r10,r12,r7, lsl #16\r |
| | 1873 | \r |
| | 1874 | and r8, r8, r9\r |
| | 1875 | add r12,r12,r8\r |
| | 1876 | mov r12,r12,lsr #1\r |
| | 1877 | orr r8, r8,r12, lsl #16\r |
| | 1878 | \r |
| | 1879 | subs r2, r2, #1\r |
| | 1880 | \r |
| | 1881 | stmia r0!, {r4,r5,r6,r8,r10}\r |
| | 1882 | bne .fl_32scale_snn\r |
| | 1883 | \r |
| | 1884 | b .fl_32scale_8bit\r |
| | 1885 | \r |
| | 1886 | .fl_32scale_bl2:\r |
| | 1887 | ldr r12, [r1], #4\r |
| | 1888 | ldr r7, [r1], #4\r |
| | 1889 | \r |
| | 1890 | and r4, lr, r12, lsl #1\r |
| | 1891 | ldrh r4, [r3, r4]\r |
| | 1892 | and r5, lr, r12, lsr #7\r |
| | 1893 | ldrh r5, [r3, r5]\r |
| | 1894 | and r6, lr, r12, lsr #15\r |
| | 1895 | ldrh r6, [r3, r6]\r |
| | 1896 | \r |
| | 1897 | and r4, r4, r9\r |
| | 1898 | and r5, r5, r9\r |
| | 1899 | add r10,r4, r5\r |
| | 1900 | mov r10,r10,lsr #1\r |
| | 1901 | orr r4, r4, r10,lsl #16 @ px0 | (px0+px1)/2\r |
| | 1902 | \r |
| | 1903 | and r6, r6, r9\r |
| | 1904 | add r5, r5, r6\r |
| | 1905 | mov r5, r5, lsr #1\r |
| | 1906 | orr r5, r5, r6, lsl #16 @ (px1+px2)/2 | px2\r |
| | 1907 | \r |
| | 1908 | and r10,lr, r12, lsr #23\r |
| | 1909 | ldrh r10,[r3, r10]\r |
| | 1910 | and r8, lr, r7, lsl #1\r |
| | 1911 | ldrh r8, [r3, r8]\r |
| | 1912 | \r |
| | 1913 | and r10,r10,r9\r |
| | 1914 | and r8, r8, r9\r |
| | 1915 | orr r6, r10,r8, lsl #16 @ px3 | px4\r |
| | 1916 | \r |
| | 1917 | and r12,lr, r7, lsr #15\r |
| | 1918 | ldrh r12,[r3, r12]\r |
| | 1919 | and r10, lr, r7, lsr #23\r |
| | 1920 | ldrh r10, [r3, r10]\r |
| | 1921 | and r7, lr, r7, lsr #7\r |
| | 1922 | ldrh r7, [r3, r7]\r |
| | 1923 | \r |
| | 1924 | and r12,r12,r9\r |
| | 1925 | and r10,r10,r9\r |
| | 1926 | orr r10,r12,r10, lsl #16 @ px6 | px7\r |
| | 1927 | \r |
| | 1928 | and r7, r7, r9\r |
| | 1929 | add r12,r12,r7\r |
| | 1930 | add r8, r8, r7\r |
| | 1931 | mov r8, r8, lsr #1\r |
| | 1932 | mov r12,r12,lsr #1\r |
| | 1933 | orr r8, r8,r12, lsl #16 @ (px4+px5)/2 | (px5+px6)/2\r |
| | 1934 | \r |
| | 1935 | subs r2, r2, #1\r |
| | 1936 | \r |
| | 1937 | stmia r0!, {r4,r5,r6,r8,r10}\r |
| | 1938 | bne .fl_32scale_bl2\r |
| | 1939 | \r |
| | 1940 | b .fl_32scale_8bit\r |
| | 1941 | \r |
| | 1942 | .fl_32scale_bl4:\r |
| | 1943 | // TODO this should reflect the bl4 C algorithm, but it doesn't, it's bln.\r |
| | 1944 | and r9, r9, r9, lsl #1 @ nuke 2 LSBs to avoid spilling for n/4\r |
| | 1945 | .fl_32loop_bl4:\r |
| | 1946 | ldr r12, [r1], #4\r |
| | 1947 | ldr r7, [r1], #4\r |
| | 1948 | \r |
| | 1949 | and r4, lr, r12,lsl #1\r |
| | 1950 | ldrh r4, [r3, r4]\r |
| | 1951 | and r5, lr, r12,lsr #7\r |
| | 1952 | ldrh r5, [r3, r5]\r |
| | 1953 | \r |
| | 1954 | @ r4 = 1/4px0+3/4px1 : px0\r |
| | 1955 | and r4, r4, r9\r |
| | 1956 | orr r4, r4, r4, lsl #14 @ r4[31:16] = 1/4 pix_s 0\r |
| | 1957 | and r5, r5, r9\r |
| | 1958 | sub r6, r5, r5, lsr #2 @ r6 = 3/4 pix_s 1\r |
| | 1959 | add r4, r4, r6, lsl #16 @ pix_d 0, 1\r |
| | 1960 | \r |
| | 1961 | and r6, lr, r12,lsr #15\r |
| | 1962 | ldrh r6, [r3, r6]\r |
| | 1963 | and r12,lr, r12,lsr #23\r |
| | 1964 | ldrh r12,[r3, r12]\r |
| | 1965 | \r |
| | 1966 | @ r5 = 3/4px2+1/4px3 : (px1+px2)/2\r |
| | 1967 | and r6, r6, r9\r |
| | 1968 | add r5, r5, r6\r |
| | 1969 | mov r5, r5, lsr #1\r |
| | 1970 | sub r6, r6, r6, lsr #2 @ r6 = 3/4 pix_s 2\r |
| | 1971 | orr r5, r5, r6, lsl #16\r |
| | 1972 | \r |
| | 1973 | and r6, lr, r7, lsl #1\r |
| | 1974 | ldrh r6, [r3, r6]\r |
| | 1975 | and r12,r12,r9\r |
| | 1976 | add r5, r5, r12,lsl #14 @ pix_d 2, 3\r |
| | 1977 | \r |
| | 1978 | @ r6 = px4 : px3\r |
| | 1979 | and r6, r6, r9\r |
| | 1980 | orr r6, r12,r6, lsl #16 @ pix_d 4, 5\r |
| | 1981 | \r |
| | 1982 | @ r8 = (px5+px6)/2 : 1/4px4+3/4px5\r |
| | 1983 | and r12,lr, r7, lsr #7\r |
| | 1984 | ldrh r12,[r3, r12]\r |
| | 1985 | and r10,lr, r7, lsr #15\r |
| | 1986 | ldrh r10,[r3, r10]\r |
| | 1987 | and r12,r12,r9\r |
| | 1988 | sub r8, r12,r12,lsr #2 @ r8 = 3/4 pix_s 1\r |
| | 1989 | add r8, r8, r6, lsr #18\r |
| | 1990 | \r |
| | 1991 | and r7, lr, r7, lsr #23\r |
| | 1992 | ldrh r7, [r3, r7]\r |
| | 1993 | and r10,r10,r9\r |
| | 1994 | orr r8, r8, r10,lsl #15\r |
| | 1995 | add r8, r8, r12,lsl #15 @ pix_d 6, 7\r |
| | 1996 | \r |
| | 1997 | @ r10 = px7 : 3/4px6+1/4px7\r |
| | 1998 | sub r10,r10,r10,lsr #2 @ r10= 3/4 pix_s 2\r |
| | 1999 | and r7, r7, r9\r |
| | 2000 | add r10,r10,r7, lsr #2 @ += 1/4 pix_s 3\r |
| | 2001 | orr r10,r10,r7, lsl #16 @ pix_d 8, 9\r |
| | 2002 | \r |
| | 2003 | subs r2, r2, #1\r |
| | 2004 | \r |
| | 2005 | stmia r0!, {r4,r5,r6,r8,r10}\r |
| | 2006 | bne .fl_32loop_bl4\r |
| | 2007 | \r |
| | 2008 | .fl_32scale_8bit:\r |
| | 2009 | ldr r4, [r11, #OFS_EST_rendstatus]\r |
| | 2010 | add r0, r1, #320-256\r |
| | 2011 | mov r2, #256/8\r |
| | 2012 | tst r4, #PDRAW_32X_SCALE\r |
| | 2013 | ldmeqfd sp!, {r4-r11,pc}\r |
| | 2014 | mov lr, #0xff\r |
| | 2015 | \r |
| | 2016 | .fl_32scale_8bit_nn:\r |
| | 2017 | ldr r7, [r1, #-4]!\r |
| | 2018 | ldr r12, [r1, #-4]!\r |
| | 2019 | \r |
| | 2020 | and r4, lr, r12, lsl #0\r |
| | 2021 | and r5, lr, r12, lsr #8\r |
| | 2022 | and r6, lr, r12, lsr #16\r |
| | 2023 | and r10,lr, r12, lsr #24\r |
| | 2024 | \r |
| | 2025 | orr r4, r4, r5, lsl #8\r |
| | 2026 | orr r5, r6, r6, lsl #8\r |
| | 2027 | \r |
| | 2028 | and r6, lr, r7, lsl #0\r |
| | 2029 | and r8, lr, r7, lsr #8\r |
| | 2030 | and r12,lr, r7, lsr #16\r |
| | 2031 | and r7, lr, r7, lsr #24\r |
| | 2032 | \r |
| | 2033 | orr r6, r10,r6, lsl #8\r |
| | 2034 | orr r8, r8,r12, lsl #8\r |
| | 2035 | \r |
| | 2036 | subs r2, r2, #1\r |
| | 2037 | \r |
| | 2038 | orr r10,r12,r7, lsl #8\r |
| | 2039 | \r |
| | 2040 | strh r10, [r0, #-2]!\r |
| | 2041 | strh r8, [r0, #-2]!\r |
| | 2042 | strh r6, [r0, #-2]!\r |
| | 2043 | strh r5, [r0, #-2]!\r |
| | 2044 | strh r4, [r0, #-2]!\r |
| | 2045 | \r |
| | 2046 | bne .fl_32scale_8bit_nn\r |
| | 2047 | \r |
| | 2048 | ldmfd sp!, {r4-r11,pc}\r |
| | 2049 | \r |
| | 2050 | \r |
| | 2051 | .fl_20scale_RGB555:\r |
| | 2052 | ldr r5, [r5, #OFS_PicoIn_filter-OFS_PicoIn_opt]\r |
| | 2053 | \r |
| | 2054 | mov r9, #0xf700 @ f800 07e0 001f | e000 0780 001c | 3800 01e0 0007\r |
| | 2055 | orr r9, r9, #0x00de\r |
| | 2056 | \r |
| | 2057 | #ifdef UNALIGNED_DRAWLINEDEST\r |
| | 2058 | tst r0, #2\r |
| | 2059 | bne .fl_20scale_RGB555u\r |
| | 2060 | #endif\r |
| | 2061 | \r |
| | 2062 | and r5, r5, #0x2\r |
| | 2063 | add pc, pc, r5, lsl #1\r |
| | 2064 | nop\r |
| | 2065 | b .fl_20scale_nn\r |
| | 2066 | b .fl_20scale_bl2\r |
| | 2067 | \r |
| | 2068 | .fl_20scale_nn:\r |
| | 2069 | ldr r12, [r1], #4\r |
| | 2070 | ldr r7, [r1], #4\r |
| | 2071 | \r |
| | 2072 | and r4, lr, r12, lsl #1\r |
| | 2073 | ldrh r4, [r3, r4]\r |
| | 2074 | and r5, lr, r12, lsr #7\r |
| | 2075 | ldrh r5, [r3, r5]\r |
| | 2076 | and r6, lr, r12, lsr #15\r |
| | 2077 | ldrh r6, [r3, r6]\r |
| | 2078 | and r8 ,lr, r12, lsr #23\r |
| | 2079 | ldrh r8 ,[r3, r8]\r |
| | 2080 | \r |
| | 2081 | orr r4, r4, r4, lsl #16\r |
| | 2082 | orr r5, r5, r5, lsl #16\r |
| | 2083 | orr r6, r6, r6, lsl #16\r |
| | 2084 | orr r8, r8, r8, lsl #16\r |
| | 2085 | stmia r0!, {r4,r5,r6,r8}\r |
| | 2086 | \r |
| | 2087 | and r4, lr, r7, lsl #1\r |
| | 2088 | ldrh r4, [r3, r4]\r |
| | 2089 | and r5, lr, r7, lsr #7\r |
| | 2090 | ldrh r5, [r3, r5]\r |
| | 2091 | and r6 ,lr, r7, lsr #15\r |
| | 2092 | ldrh r6 ,[r3, r6]\r |
| | 2093 | and r8, lr, r7, lsr #23\r |
| | 2094 | ldrh r8, [r3, r8]\r |
| | 2095 | \r |
| | 2096 | orr r4, r4, r4, lsl #16\r |
| | 2097 | orr r5, r5, r5, lsl #16\r |
| | 2098 | orr r6, r6, r6, lsl #16\r |
| | 2099 | orr r8, r8, r8, lsl #16\r |
| | 2100 | stmia r0!, {r4,r5,r6,r8}\r |
| | 2101 | \r |
| | 2102 | subs r2, r2, #1\r |
| | 2103 | bne .fl_20scale_nn\r |
| | 2104 | \r |
| | 2105 | ldmfd sp!, {r4-r11,pc}\r |
| | 2106 | \r |
| | 2107 | \r |
| | 2108 | .fl_20scale_bl2:\r |
| | 2109 | ldr r8, [r1]\r |
| | 2110 | and r8, lr, r8, lsl #1\r |
| | 2111 | ldrh r8, [r3, r8]\r |
| | 2112 | and r8, r8, r9\r |
| | 2113 | mov r8, r8, lsl #16\r |
| | 2114 | \r |
| | 2115 | .fl_20loop_bl2:\r |
| | 2116 | ldr r12, [r1], #4\r |
| | 2117 | ldr r7, [r1], #4\r |
| | 2118 | \r |
| | 2119 | and r4, lr, r12, lsl #1\r |
| | 2120 | ldrh r4, [r3, r4]\r |
| | 2121 | and r5, lr, r12, lsr #7\r |
| | 2122 | ldrh r5, [r3, r5]\r |
| | 2123 | and r6, lr, r12, lsr #15\r |
| | 2124 | ldrh r6, [r3, r6]\r |
| | 2125 | \r |
| | 2126 | and r4, r4, r9\r |
| | 2127 | add r10,r4, r8, lsr #16\r |
| | 2128 | mov r10,r10,lsr #1\r |
| | 2129 | orr r4, r10,r4, lsl #16 @ (px-1+px0)/2 | px0\r |
| | 2130 | \r |
| | 2131 | and r8 ,lr, r12, lsr #23\r |
| | 2132 | ldrh r8 ,[r3, r8]\r |
| | 2133 | \r |
| | 2134 | and r5, r5, r9\r |
| | 2135 | add r10,r5, r4, lsr #16\r |
| | 2136 | mov r10,r10,lsr #1\r |
| | 2137 | orr r5, r10,r5, lsl #16 @ (px0 +px1)/2 | px1\r |
| | 2138 | \r |
| | 2139 | and r6, r6, r9\r |
| | 2140 | add r10,r6, r5, lsr #16\r |
| | 2141 | mov r10,r10,lsr #1\r |
| | 2142 | orr r6, r10,r6, lsl #16 @ (px1 +px2)/2 | px2\r |
| | 2143 | \r |
| | 2144 | and r8, r8, r9\r |
| | 2145 | add r10,r8, r6, lsr #16\r |
| | 2146 | mov r10,r10,lsr #1\r |
| | 2147 | orr r8, r10,r8, lsl #16 @ (px2 +px3)/2 | px3\r |
| | 2148 | \r |
| | 2149 | stmia r0!, {r4,r5,r6,r8}\r |
| | 2150 | \r |
| | 2151 | and r4, lr, r7, lsl #1\r |
| | 2152 | ldrh r4, [r3, r4]\r |
| | 2153 | and r5, lr, r7, lsr #7\r |
| | 2154 | ldrh r5, [r3, r5]\r |
| | 2155 | and r6, lr, r7, lsr #15\r |
| | 2156 | ldrh r6, [r3, r6]\r |
| | 2157 | \r |
| | 2158 | and r4, r4, r9\r |
| | 2159 | add r10,r4, r8, lsr #16\r |
| | 2160 | mov r10,r10,lsr #1\r |
| | 2161 | orr r4, r10,r4, lsl #16 @ (px-1+px0)/2 | px0\r |
| | 2162 | \r |
| | 2163 | and r8 ,lr, r7, lsr #23\r |
| | 2164 | ldrh r8 ,[r3, r8]\r |
| | 2165 | \r |
| | 2166 | and r5, r5, r9\r |
| | 2167 | add r10,r5, r4, lsr #16\r |
| | 2168 | mov r10,r10,lsr #1\r |
| | 2169 | orr r5, r10,r5, lsl #16 @ (px0 +px1)/2 | px1\r |
| | 2170 | \r |
| | 2171 | and r6, r6, r9\r |
| | 2172 | add r10,r6, r5, lsr #16\r |
| | 2173 | mov r10,r10,lsr #1\r |
| | 2174 | orr r6, r10,r6, lsl #16 @ (px1 +px2)/2 | px2\r |
| | 2175 | \r |
| | 2176 | and r8, r8, r9\r |
| | 2177 | add r10,r8, r6, lsr #16\r |
| | 2178 | mov r10,r10,lsr #1\r |
| | 2179 | orr r8, r10,r8, lsl #16 @ (px2 +px3)/2 | px3\r |
| | 2180 | \r |
| | 2181 | subs r2, r2, #1\r |
| | 2182 | stmia r0!, {r4,r5,r6,r8}\r |
| | 2183 | bne .fl_20loop_bl2\r |
| | 2184 | \r |
| | 2185 | ldmfd sp!, {r4-r11,pc}\r |
| | 2186 | \r |
| | 2187 | \r |
| | 2188 | #ifdef UNALIGNED_DRAWLINEDEST\r |
| | 2189 | @ unaligned versions of loops\r |
| | 2190 | @ warning: starts drawing 2bytes before dst\r |
| | 2191 | \r |
| | 2192 | .fl_RGB555u:\r |
| | 2193 | sub r0, r0, #2 @ initial adjustment\r |
| | 2194 | mov r8, #0\r |
| | 2195 | \r |
| | 2196 | .fl_loopRGB555u:\r |
| | 2197 | ldr r12, [r1], #4\r |
| | 2198 | ldr r7, [r1], #4\r |
| | 2199 | \r |
| | 2200 | and r6, lr, r12,lsl #1\r |
| | 2201 | ldrh r6, [r3, r6]\r |
| | 2202 | and r5, lr, r12,lsr #7\r |
| | 2203 | ldrh r5, [r3, r5]\r |
| | 2204 | orr r4, r8, r6, lsl #16\r |
| | 2205 | \r |
| | 2206 | and r6, lr, r12,lsr #15\r |
| | 2207 | ldrh r6, [r3, r6]\r |
| | 2208 | and r8, lr, r12,lsr #23\r |
| | 2209 | ldrh r8, [r3, r8]\r |
| | 2210 | orr r5, r5, r6, lsl #16\r |
| | 2211 | \r |
| | 2212 | and r6, lr, r7, lsl #1\r |
| | 2213 | ldrh r6, [r3, r6]\r |
| | 2214 | and r12,lr, r7, lsr #7\r |
| | 2215 | ldrh r12,[r3, r12]\r |
| | 2216 | orr r6, r8, r6, lsl #16\r |
| | 2217 | \r |
| | 2218 | and r8, lr, r7, lsr #15\r |
| | 2219 | ldrh r8, [r3, r8]\r |
| | 2220 | and r7, lr, r7, lsr #23\r |
| | 2221 | \r |
| | 2222 | subs r2, r2, #1\r |
| | 2223 | orr r12,r12,r8, lsl #16\r |
| | 2224 | ldrh r8, [r3, r7]\r |
| | 2225 | \r |
| | 2226 | stmia r0!, {r4,r5,r6,r12}\r |
| | 2227 | bne .fl_loopRGB555u\r |
| | 2228 | \r |
| | 2229 | strh r8, [r0], #2\r |
| | 2230 | \r |
| | 2231 | ldmfd sp!, {r4-r11,pc}\r |
| | 2232 | \r |
| | 2233 | \r |
| | 2234 | .fl_32scale_RGB555u:\r |
| | 2235 | sub r0, r0, #2 @ initial adjustment\r |
| | 2236 | mov r4, #0\r |
| | 2237 | \r |
| | 2238 | @ r9 f800 07e0 001f | e000 0780 001c | 3800 01e0 0007\r |
| | 2239 | .fl_loop32scale_RGB555u:\r |
| | 2240 | ldr r12, [r1], #4\r |
| | 2241 | ldr r7, [r1], #4\r |
| | 2242 | \r |
| | 2243 | and r6, lr, r12,lsl #1\r |
| | 2244 | ldrh r6, [r3, r6]\r |
| | 2245 | and r5, lr, r12,lsr #7\r |
| | 2246 | ldrh r5, [r3, r5]\r |
| | 2247 | and r6, r6, r9\r |
| | 2248 | orr r4, r4, r6, lsl #16 @ r4 = pix_d -1, 0\r |
| | 2249 | \r |
| | 2250 | and r5, r5, r9\r |
| | 2251 | sub r8, r5, r5, lsr #2 @ r8 = 3/4 pix_s 1\r |
| | 2252 | add r6, r8, r6, lsr #2 @ r6 = (1/4 pix_s 0) + (3/4 pix_s 1)\r |
| | 2253 | orr r5, r6, r5, lsl #15\r |
| | 2254 | \r |
| | 2255 | and r6, lr, r12,lsr #15\r |
| | 2256 | ldrh r6, [r3, r6]\r |
| | 2257 | and r12,lr, r12,lsr #23\r |
| | 2258 | ldrh r12,[r3, r12]\r |
| | 2259 | and r6, r6, r9\r |
| | 2260 | add r5, r5, r6, lsl #15 @ r5 = pix_d 1, 2\r |
| | 2261 | \r |
| | 2262 | and r8, lr, r7, lsl #1\r |
| | 2263 | ldrh r8, [r3, r8]\r |
| | 2264 | and r10,lr, r7, lsr #7\r |
| | 2265 | ldrh r10,[r3, r10]\r |
| | 2266 | and r12,r12,r9\r |
| | 2267 | sub r6, r6, r6, lsr #2 @ r6 = 3/4 pix_s 2\r |
| | 2268 | add r6, r6, r12,lsr #2\r |
| | 2269 | orr r6, r6, r12,lsl #16 @ r6 = pix_d 3, 4\r |
| | 2270 | \r |
| | 2271 | and r8, r8, r9\r |
| | 2272 | and r10,r10,r9\r |
| | 2273 | sub r12,r10,r10,lsr #2 @ r12 = 3/4 pix_s 5\r |
| | 2274 | orr r8, r8, r8, lsl #14\r |
| | 2275 | add r8, r8, r12,lsl #16 @ r8 = pix_d 5, 6\r |
| | 2276 | and r12,lr, r7, lsr #15\r |
| | 2277 | ldrh r12,[r3, r12]\r |
| | 2278 | and r7, lr, r7, lsr #23\r |
| | 2279 | ldrh r7, [r3, r7]\r |
| | 2280 | and r12,r12,r9\r |
| | 2281 | add r10,r10,r12\r |
| | 2282 | mov r10,r10, lsr #1\r |
| | 2283 | sub r12,r12,r12,lsr #2 @ r12 = 3/4 pix_s 6\r |
| | 2284 | orr r10,r10,r12,lsl #16\r |
| | 2285 | and r7, r7, r9\r |
| | 2286 | add r10,r10,r7, lsl #14 @ r10 = pix_d 7, 8\r |
| | 2287 | \r |
| | 2288 | subs r2, r2, #1\r |
| | 2289 | \r |
| | 2290 | stmia r0!, {r4,r5,r6,r8,r10}\r |
| | 2291 | mov r4, r7\r |
| | 2292 | bne .fl_loop32scale_RGB555u\r |
| | 2293 | \r |
| | 2294 | strh r4, [r0], #2\r |
| | 2295 | \r |
| | 2296 | ldmfd sp!, {r4-r11,pc}\r |
| | 2297 | \r |
| | 2298 | #endif /* UNALIGNED_DRAWLINEDEST */\r |
| | 2299 | \r |
| | 2300 | \r |
| | 2301 | @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r |
| | 2302 | \r |
| | 2303 | @ utility\r |
| | 2304 | .global blockcpy @ void *dst, void *src, size_t n\r |
| | 2305 | \r |
| | 2306 | blockcpy:\r |
| | 2307 | stmfd sp!, {r4,r5}\r |
| | 2308 | cmp r0, r1\r |
| | 2309 | bhs blockcpyhi\r |
| | 2310 | \r |
| | 2311 | subs r2, r2, #16\r |
| | 2312 | blt blockcpy2\r |
| | 2313 | blockcpy_loop:\r |
| | 2314 | ldmia r1!, {r3-r5,r12}\r |
| | 2315 | subs r2, r2, #16\r |
| | 2316 | stmia r0!, {r3-r5,r12}\r |
| | 2317 | bge blockcpy_loop\r |
| | 2318 | \r |
| | 2319 | blockcpy2:\r |
| | 2320 | adds r2, r2, #16-4\r |
| | 2321 | ldmltfd sp!, {r4,r5}\r |
| | 2322 | bxlt lr\r |
| | 2323 | \r |
| | 2324 | blockcpy_loop2:\r |
| | 2325 | ldr r3, [r1], #4\r |
| | 2326 | subs r2, r2, #4\r |
| | 2327 | str r3, [r0], #4\r |
| | 2328 | bge blockcpy_loop2\r |
| | 2329 | \r |
| | 2330 | ldmfd sp!, {r4,r5}\r |
| | 2331 | bx lr\r |
| | 2332 | \r |
| | 2333 | blockcpyhi:\r |
| | 2334 | add r0, r0, r2\r |
| | 2335 | add r1, r1, r2\r |
| | 2336 | \r |
| | 2337 | subs r2, r2, #16\r |
| | 2338 | blt blockcpyhi2\r |
| | 2339 | blockcpyhi_loop:\r |
| | 2340 | ldmdb r1!, {r3-r5,r12}\r |
| | 2341 | subs r2, r2, #16\r |
| | 2342 | stmdb r0!, {r3-r5,r12}\r |
| | 2343 | bge blockcpyhi_loop\r |
| | 2344 | \r |
| | 2345 | blockcpyhi2:\r |
| | 2346 | adds r2, r2, #16-4\r |
| | 2347 | ldmltfd sp!, {r4,r5}\r |
| | 2348 | bxlt lr\r |
| | 2349 | \r |
| | 2350 | blockcpyhi_loop2:\r |
| | 2351 | ldr r3, [r1, #-4]!\r |
| | 2352 | subs r2, r2, #4\r |
| | 2353 | str r3, [r0, #-4]!\r |
| | 2354 | bge blockcpyhi_loop2\r |
| | 2355 | \r |
| | 2356 | ldmfd sp!, {r4,r5}\r |
| | 2357 | bx lr\r |
| | 2358 | \r |
| | 2359 | \r |
| | 2360 | .global blockcpy_or @ void *dst, void *src, size_t n, int pat\r |
| | 2361 | \r |
| | 2362 | blockcpy_or:\r |
| | 2363 | stmfd sp!, {r4-r6}\r |
| | 2364 | orr r3, r3, r3, lsl #8\r |
| | 2365 | orr r3, r3, r3, lsl #16\r |
| | 2366 | cmp r0, r1\r |
| | 2367 | bhs blockcpyhi_or\r |
| | 2368 | \r |
| | 2369 | subs r2, r2, #16\r |
| | 2370 | blt blockcpy_or2\r |
| | 2371 | blockcpy_loop_or:\r |
| | 2372 | ldmia r1!, {r4-r6,r12}\r |
| | 2373 | subs r2, r2, #16\r |
| | 2374 | orr r4, r4, r3\r |
| | 2375 | orr r5, r5, r3\r |
| | 2376 | orr r6, r6, r3\r |
| | 2377 | orr r12,r12,r3\r |
| | 2378 | stmia r0!, {r4-r6,r12}\r |
| | 2379 | bge blockcpy_loop_or\r |
| | 2380 | \r |
| | 2381 | blockcpy_or2:\r |
| | 2382 | adds r2, r2, #16-4\r |
| | 2383 | ldmltfd sp!, {r4-r6}\r |
| | 2384 | bxlt lr\r |
| | 2385 | \r |
| | 2386 | blockcpy_loop_or2:\r |
| | 2387 | ldr r4, [r1], #4\r |
| | 2388 | subs r2, r2, #4\r |
| | 2389 | orr r4, r4, r3\r |
| | 2390 | str r4, [r0], #4\r |
| | 2391 | bge blockcpy_loop_or2\r |
| | 2392 | \r |
| | 2393 | ldmfd sp!, {r4-r6}\r |
| | 2394 | bx lr\r |
| | 2395 | \r |
| | 2396 | blockcpyhi_or:\r |
| | 2397 | add r0, r0, r2\r |
| | 2398 | add r1, r1, r2\r |
| | 2399 | \r |
| | 2400 | subs r2, r2, #16\r |
| | 2401 | blt blockcpyhi_or2\r |
| | 2402 | blockcpyhi_loop_or:\r |
| | 2403 | ldmdb r1!, {r4-r6,r12}\r |
| | 2404 | subs r2, r2, #16\r |
| | 2405 | orr r4, r4, r3\r |
| | 2406 | orr r5, r5, r3\r |
| | 2407 | orr r6, r6, r3\r |
| | 2408 | orr r12,r12,r3\r |
| | 2409 | stmdb r0!, {r4-r6,r12}\r |
| | 2410 | bge blockcpyhi_loop_or\r |
| | 2411 | \r |
| | 2412 | blockcpyhi_or2:\r |
| | 2413 | adds r2, r2, #16-4\r |
| | 2414 | ldmltfd sp!, {r4-r6}\r |
| | 2415 | bxlt lr\r |
| | 2416 | \r |
| | 2417 | blockcpyhi_loop_or2:\r |
| | 2418 | ldr r4, [r1, #-4]!\r |
| | 2419 | subs r2, r2, #4\r |
| | 2420 | orr r4, r4, r3\r |
| | 2421 | str r4, [r0, #-4]!\r |
| | 2422 | bge blockcpyhi_loop_or2\r |
| | 2423 | \r |
| | 2424 | ldmfd sp!, {r4-r6}\r |
| | 2425 | bx lr\r |
| | 2426 | \r |
| | 2427 | @ vim:filetype=armasm\r |
notaz.gp2x.de / picodrive.git / blame_incremental