| 1 | /* |
| 2 | * PicoDrive PSP frontend |
| 3 | * |
| 4 | * (C) notaz, 2007,2008 |
| 5 | * (C) irixxxx, 2022-2024 |
| 6 | * |
| 7 | * This work is licensed under the terms of MAME license. |
| 8 | * See COPYING file in the top-level directory. |
| 9 | */ |
| 10 | |
| 11 | #include <sys/stat.h> |
| 12 | #include <sys/types.h> |
| 13 | #include <sys/syslimits.h> // PATH_MAX |
| 14 | |
| 15 | #include <pspthreadman.h> |
| 16 | #include <pspdisplay.h> |
| 17 | #include <psputils.h> |
| 18 | #include <pspgu.h> |
| 19 | #include <pspaudio.h> |
| 20 | #include <pspsysmem.h> |
| 21 | |
| 22 | #include "psp.h" |
| 23 | #include "emu.h" |
| 24 | #include "mp3.h" |
| 25 | #include "in_psp.h" |
| 26 | #include "asm_utils.h" |
| 27 | #include "../common/emu.h" |
| 28 | #include "../common/input_pico.h" |
| 29 | #include "../common/keyboard.h" |
| 30 | #include "platform/libpicofe/input.h" |
| 31 | #include "platform/libpicofe/menu.h" |
| 32 | #include "platform/libpicofe/plat.h" |
| 33 | |
| 34 | #include <pico/pico_int.h> |
| 35 | #include <pico/cd/genplus_macros.h> |
| 36 | #include <pico/cd/cdd.h> |
| 37 | |
| 38 | #define OSD_FPS_X 432 |
| 39 | |
| 40 | int engineStateSuspend; |
| 41 | |
| 42 | struct Vertex |
| 43 | { |
| 44 | short u,v; |
| 45 | short x,y,z; |
| 46 | }; |
| 47 | |
| 48 | static struct Vertex __attribute__((aligned(4))) g_vertices[2]; |
| 49 | static u16 __attribute__((aligned(16))) localPal[0x100]; |
| 50 | static int need_pal_upload = 0; |
| 51 | |
| 52 | u16 __attribute__((aligned(16))) osd_buf[512*8]; // buffer for osd text |
| 53 | int osd_buf_x[4], osd_buf_l[4]; // store for x and length for blitting |
| 54 | int osd_buf_cnt, osd_cdleds; |
| 55 | |
| 56 | static int out_x, out_y; |
| 57 | static int out_w, out_h; |
| 58 | static float hscale, vscale; |
| 59 | |
| 60 | static struct in_default_bind in_psp_defbinds[] = |
| 61 | { |
| 62 | { PSP_CTRL_UP, IN_BINDTYPE_PLAYER12, GBTN_UP }, |
| 63 | { PSP_CTRL_DOWN, IN_BINDTYPE_PLAYER12, GBTN_DOWN }, |
| 64 | { PSP_CTRL_LEFT, IN_BINDTYPE_PLAYER12, GBTN_LEFT }, |
| 65 | { PSP_CTRL_RIGHT, IN_BINDTYPE_PLAYER12, GBTN_RIGHT }, |
| 66 | { PSP_CTRL_SQUARE, IN_BINDTYPE_PLAYER12, GBTN_A }, |
| 67 | { PSP_CTRL_CROSS, IN_BINDTYPE_PLAYER12, GBTN_B }, |
| 68 | { PSP_CTRL_CIRCLE, IN_BINDTYPE_PLAYER12, GBTN_C }, |
| 69 | { PSP_CTRL_START, IN_BINDTYPE_PLAYER12, GBTN_START }, |
| 70 | { PSP_CTRL_TRIANGLE, IN_BINDTYPE_EMU, PEVB_SWITCH_RND }, |
| 71 | { PSP_CTRL_LTRIGGER, IN_BINDTYPE_EMU, PEVB_STATE_SAVE }, |
| 72 | { PSP_CTRL_RTRIGGER, IN_BINDTYPE_EMU, PEVB_STATE_LOAD }, |
| 73 | { PSP_CTRL_SELECT, IN_BINDTYPE_EMU, PEVB_MENU }, |
| 74 | { 0, 0, 0 } |
| 75 | }; |
| 76 | |
| 77 | |
| 78 | const char *renderer_names[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL }; |
| 79 | const char *renderer_names32x[] = { "accurate", "faster", "fastest", NULL }; |
| 80 | enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT }; |
| 81 | |
| 82 | #define is_16bit_mode() \ |
| 83 | (currentConfig.renderer == RT_16BIT || (PicoIn.AHW & PAHW_32X)) |
| 84 | |
| 85 | static int get_renderer(void) |
| 86 | { |
| 87 | if (PicoIn.AHW & PAHW_32X) |
| 88 | return currentConfig.renderer32x; |
| 89 | else |
| 90 | return currentConfig.renderer; |
| 91 | } |
| 92 | |
| 93 | static void change_renderer(int diff) |
| 94 | { |
| 95 | int *r; |
| 96 | if (PicoIn.AHW & PAHW_32X) |
| 97 | r = ¤tConfig.renderer32x; |
| 98 | else |
| 99 | r = ¤tConfig.renderer; |
| 100 | *r += diff; |
| 101 | |
| 102 | if (*r >= RT_COUNT) |
| 103 | *r = 0; |
| 104 | else if (*r < 0) |
| 105 | *r = RT_COUNT - 1; |
| 106 | } |
| 107 | |
| 108 | static void apply_renderer(void) |
| 109 | { |
| 110 | PicoIn.opt &= ~(POPT_ALT_RENDERER|POPT_EN_SOFTSCALE); |
| 111 | PicoIn.opt |= POPT_DIS_32C_BORDER; |
| 112 | |
| 113 | switch (get_renderer()) { |
| 114 | case RT_16BIT: |
| 115 | PicoDrawSetOutFormat(PDF_RGB555, 0); |
| 116 | break; |
| 117 | case RT_8BIT_ACC: |
| 118 | PicoDrawSetOutFormat(PDF_8BIT, 0); |
| 119 | break; |
| 120 | case RT_8BIT_FAST: |
| 121 | PicoIn.opt |= POPT_ALT_RENDERER; |
| 122 | PicoDrawSetOutFormat(PDF_NONE, 0); |
| 123 | break; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | |
| 128 | static void set_scaling_params(void) |
| 129 | { |
| 130 | int fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0; |
| 131 | g_vertices[0].z = g_vertices[1].z = 0; |
| 132 | |
| 133 | fbimg_height = (int)(out_h * vscale + 0.5); |
| 134 | fbimg_width = (int)(out_w * hscale + 0.5); |
| 135 | |
| 136 | if (fbimg_width & 1) fbimg_width++; // make even |
| 137 | if (fbimg_height & 1) fbimg_height++; |
| 138 | |
| 139 | if (fbimg_width >= 480) { |
| 140 | g_vertices[0].u = out_x + (fbimg_width-480)/2; |
| 141 | g_vertices[1].u = out_x + out_w - (fbimg_width-480)/2 - 1; |
| 142 | fbimg_width = 480; |
| 143 | fbimg_xoffs = 0; |
| 144 | } else { |
| 145 | g_vertices[0].u = out_x; |
| 146 | g_vertices[1].u = out_x + out_w; |
| 147 | fbimg_xoffs = 240 - fbimg_width/2; |
| 148 | } |
| 149 | if (fbimg_width > 320 && fbimg_width <= 480) border_hack = 1; |
| 150 | |
| 151 | if (fbimg_height >= 272) { |
| 152 | g_vertices[0].v = out_y + (fbimg_height-272)/2; |
| 153 | g_vertices[1].v = out_y + out_h - (fbimg_height-272)/2; |
| 154 | fbimg_height = 272; |
| 155 | fbimg_yoffs = 0; |
| 156 | } else { |
| 157 | g_vertices[0].v = out_y; |
| 158 | g_vertices[1].v = out_y + out_h; |
| 159 | fbimg_yoffs = 136 - fbimg_height/2; |
| 160 | } |
| 161 | |
| 162 | if (fbimg_xoffs < 0) fbimg_xoffs = 0; |
| 163 | if (fbimg_yoffs < 0) fbimg_yoffs = 0; |
| 164 | g_vertices[0].x = fbimg_xoffs; |
| 165 | g_vertices[0].y = fbimg_yoffs; |
| 166 | g_vertices[1].x = fbimg_xoffs + fbimg_width; |
| 167 | g_vertices[1].y = fbimg_yoffs + fbimg_height; |
| 168 | if (!is_16bit_mode()) { |
| 169 | // 8-bit modes have an 8 px overlap area on the left |
| 170 | g_vertices[0].u += 8; g_vertices[1].u += 8; |
| 171 | } |
| 172 | if (border_hack) { |
| 173 | g_vertices[0].u++; g_vertices[1].u--; |
| 174 | g_vertices[0].x++; g_vertices[1].x--; |
| 175 | } |
| 176 | |
| 177 | /* |
| 178 | lprintf("set_scaling_params:\n"); |
| 179 | lprintf("offs: %i, %i\n", fbimg_xoffs, fbimg_yoffs); |
| 180 | lprintf("xy0, xy1: %i, %i; %i, %i\n", g_vertices[0].x, g_vertices[0].y, g_vertices[1].x, g_vertices[1].y); |
| 181 | lprintf("uv0, uv1: %i, %i; %i, %i\n", g_vertices[0].u, g_vertices[0].v, g_vertices[1].u, g_vertices[1].v); |
| 182 | */ |
| 183 | } |
| 184 | |
| 185 | static void do_pal_update_sms(void) |
| 186 | { |
| 187 | static u16 tmspal[32] = { |
| 188 | // SMS palette |
| 189 | 0x0000, 0x0000, 0x00a0, 0x00f0, 0x0500, 0x0f00, 0x0005, 0x0ff0, |
| 190 | 0x000a, 0x000f, 0x0055, 0x00ff, 0x0050, 0x0f0f, 0x0555, 0x0fff, |
| 191 | // TMS palette |
| 192 | 0x0000, 0x0000, 0x04c2, 0x07d6, 0x0e55, 0x0f77, 0x055c, 0x0ee4, |
| 193 | 0x055f, 0x077f, 0x05bc, 0x08ce, 0x03a2, 0x0b5c, 0x0ccc, 0x0fff, |
| 194 | }; |
| 195 | int i; |
| 196 | |
| 197 | if (!(Pico.video.reg[0] & 0x4)) { |
| 198 | int sg = !!(PicoIn.AHW & (PAHW_SG|PAHW_SC)); |
| 199 | for (i = Pico.est.SonicPalCount; i >= 0; i--) |
| 200 | do_pal_convert(localPal+i*0x40, tmspal+sg*0x10, currentConfig.gamma, currentConfig.gamma2); |
| 201 | } else { |
| 202 | for (i = Pico.est.SonicPalCount; i >= 0; i--) |
| 203 | do_pal_convert(localPal+i*0x40, Pico.est.SonicPal+i*0x40, currentConfig.gamma, currentConfig.gamma2); |
| 204 | } |
| 205 | if (Pico.m.dirtyPal == 2) |
| 206 | Pico.m.dirtyPal = 0; |
| 207 | need_pal_upload = 1; |
| 208 | } |
| 209 | |
| 210 | static void do_pal_update(void) |
| 211 | { |
| 212 | u32 *dpal=(void *)localPal; |
| 213 | int i; |
| 214 | |
| 215 | if (PicoIn.opt & POPT_ALT_RENDERER) { |
| 216 | do_pal_convert(localPal, PicoMem.cram, currentConfig.gamma, currentConfig.gamma2); |
| 217 | Pico.m.dirtyPal = 0; |
| 218 | } |
| 219 | else if (Pico.est.rendstatus & PDRAW_SONIC_MODE) |
| 220 | { |
| 221 | switch (Pico.est.SonicPalCount) { |
| 222 | case 3: do_pal_convert(localPal+0xc0, Pico.est.SonicPal+0xc0, currentConfig.gamma, currentConfig.gamma2); |
| 223 | case 2: do_pal_convert(localPal+0x80, Pico.est.SonicPal+0x80, currentConfig.gamma, currentConfig.gamma2); |
| 224 | case 1: do_pal_convert(localPal+0x40, Pico.est.SonicPal+0x40, currentConfig.gamma, currentConfig.gamma2); |
| 225 | default:do_pal_convert(localPal, Pico.est.SonicPal, currentConfig.gamma, currentConfig.gamma2); |
| 226 | } |
| 227 | } |
| 228 | else if (Pico.video.reg[0xC]&8) // shadow/hilight? |
| 229 | { |
| 230 | do_pal_convert(localPal, Pico.est.SonicPal, currentConfig.gamma, currentConfig.gamma2); |
| 231 | // shadowed pixels |
| 232 | for (i = 0; i < 0x40 / 2; i++) { |
| 233 | dpal[0xc0/2 + i] = dpal[i]; |
| 234 | dpal[0x80/2 + i] = (dpal[i] >> 1) & 0x738e738e; |
| 235 | } |
| 236 | // hilighted pixels |
| 237 | for (i = 0; i < 0x40 / 2; i++) { |
| 238 | u32 t = ((dpal[i] >> 1) & 0x738e738e) + 0x738e738e; |
| 239 | t |= (t >> 4) & 0x08610861; |
| 240 | dpal[0x40/2 + i] = t; |
| 241 | } |
| 242 | } |
| 243 | else |
| 244 | { |
| 245 | do_pal_convert(localPal, Pico.est.SonicPal, currentConfig.gamma, currentConfig.gamma2); |
| 246 | memcpy((int *)dpal+0x40/2, (void *)localPal, 0x40*2); |
| 247 | memcpy((int *)dpal+0x80/2, (void *)localPal, 0x80*2); |
| 248 | } |
| 249 | localPal[0xe0] = 0; |
| 250 | localPal[0xf0] = 0x001f; |
| 251 | |
| 252 | if (Pico.m.dirtyPal == 2) |
| 253 | Pico.m.dirtyPal = 0; |
| 254 | need_pal_upload = 1; |
| 255 | } |
| 256 | |
| 257 | static void osd_text(int x, const char *text) |
| 258 | { |
| 259 | int len = strlen(text) * 8; |
| 260 | int *p, h; |
| 261 | void *tmp = g_screen_ptr; |
| 262 | |
| 263 | g_screen_ptr = osd_buf; |
| 264 | for (h = 0; h < 8; h++) { |
| 265 | p = (int *) (osd_buf+x+512*h); |
| 266 | p = (int *) ((int)p & ~3); // align |
| 267 | memset32_uncached(p, 0, len/2); |
| 268 | } |
| 269 | emu_text_out16(x, 0, text); |
| 270 | g_screen_ptr = tmp; |
| 271 | |
| 272 | osd_buf_x[osd_buf_cnt] = x; |
| 273 | osd_buf_l[osd_buf_cnt] = len; |
| 274 | osd_buf_cnt ++; |
| 275 | } |
| 276 | |
| 277 | static void blit_osd(void) |
| 278 | { |
| 279 | struct Vertex* vx; |
| 280 | int x, len; |
| 281 | |
| 282 | while (osd_buf_cnt > 0) { |
| 283 | osd_buf_cnt --; |
| 284 | x = osd_buf_x[osd_buf_cnt]; |
| 285 | len = osd_buf_l[osd_buf_cnt]; |
| 286 | vx = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex)); |
| 287 | vx[0].u = x, vx[0].v = 0; |
| 288 | vx[1].u = x + len, vx[1].v = 8; |
| 289 | vx[0].x = x, vx[0].y = 264; |
| 290 | vx[1].x = x + len, vx[1].y = 272; |
| 291 | sceGuTexMode(GU_PSM_5650,0,0,0); |
| 292 | sceGuTexImage(0,512,8,512,osd_buf); |
| 293 | sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vx); |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | static void cd_leds(void) |
| 298 | { |
| 299 | unsigned int reg, col_g, col_r, *p; |
| 300 | |
| 301 | reg = Pico_mcd->s68k_regs[0]; |
| 302 | |
| 303 | p = (unsigned int *)((short *)osd_buf + 512*2+498); |
| 304 | col_g = (reg & 2) ? 0x06000600 : 0; |
| 305 | col_r = (reg & 1) ? 0x00180018 : 0; |
| 306 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; |
| 307 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; |
| 308 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; |
| 309 | |
| 310 | osd_cdleds = 1; |
| 311 | } |
| 312 | |
| 313 | static void blit_cdleds(void) |
| 314 | { |
| 315 | struct Vertex* vx; |
| 316 | |
| 317 | if (!osd_cdleds) return; |
| 318 | |
| 319 | vx = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex)); |
| 320 | vx[0].u = 497, vx[0].v = 1; |
| 321 | vx[1].u = 497+14, vx[1].v = 6; |
| 322 | vx[0].x = 4, vx[0].y = 1; |
| 323 | vx[1].x = 4+14, vx[1].y = 6; |
| 324 | sceGuTexMode(GU_PSM_5650,0,0,0); |
| 325 | sceGuTexImage(0,512,8,512,osd_buf); |
| 326 | sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vx); |
| 327 | } |
| 328 | |
| 329 | void blitscreen_clut(void) |
| 330 | { |
| 331 | sceGuTexMode(is_16bit_mode() ? GU_PSM_5650:GU_PSM_T8,0,0,0); |
| 332 | sceGuTexImage(0,512,512,512,g_screen_ptr); |
| 333 | |
| 334 | if (!is_16bit_mode() && Pico.m.dirtyPal) { |
| 335 | if (PicoIn.AHW & PAHW_SMS) |
| 336 | do_pal_update_sms(); |
| 337 | else |
| 338 | do_pal_update(); |
| 339 | } |
| 340 | |
| 341 | if (need_pal_upload) { |
| 342 | need_pal_upload = 0; |
| 343 | sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256) |
| 344 | } |
| 345 | |
| 346 | #if 1 |
| 347 | if (g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x) |
| 348 | { |
| 349 | struct Vertex* vertices; |
| 350 | int x; |
| 351 | |
| 352 | #define SLICE_WIDTH 32 |
| 353 | for (x = 0; x < g_vertices[1].x; x += SLICE_WIDTH) |
| 354 | { |
| 355 | // render sprite |
| 356 | vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex)); |
| 357 | memcpy(vertices, g_vertices, 2 * sizeof(struct Vertex)); |
| 358 | vertices[0].u = vertices[0].x = x; |
| 359 | vertices[1].u = vertices[1].x = x + SLICE_WIDTH; |
| 360 | sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices); |
| 361 | } |
| 362 | // lprintf("listlen: %iB\n", sceGuCheckList()); // ~480 only |
| 363 | } |
| 364 | else |
| 365 | #endif |
| 366 | sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices); |
| 367 | |
| 368 | blit_osd(); |
| 369 | blit_cdleds(); |
| 370 | } |
| 371 | |
| 372 | |
| 373 | static void draw_pico_ptr(void) |
| 374 | { |
| 375 | int up = (PicoPicohw.pen_pos[0]|PicoPicohw.pen_pos[1]) & 0x8000; |
| 376 | int x = pico_pen_x, y = pico_pen_y, offs; |
| 377 | int pitch = g_screen_ppitch; |
| 378 | // storyware pages are actually squished, 2:1 |
| 379 | int h = (pico_inp_mode == 1 ? 160 : out_h); |
| 380 | if (h < 224) y++; |
| 381 | |
| 382 | x = (x * out_w * ((1ULL<<32) / 320 + 1)) >> 32; |
| 383 | y = (y * h * ((1ULL<<32) / 224 + 1)) >> 32; |
| 384 | |
| 385 | offs = pitch * (out_y+y) + (out_x+x); |
| 386 | |
| 387 | if (is_16bit_mode()) { |
| 388 | unsigned short *p = (unsigned short *)g_screen_ptr + offs; |
| 389 | int o = (up ? 0x0000 : 0xffff), _ = (up ? 0xffff : 0x0000); |
| 390 | |
| 391 | p[-pitch-1] ^= o; p[-pitch] ^= _; p[-pitch+1] ^= _; p[-pitch+2] ^= o; |
| 392 | p[-1] ^= _; p[0] ^= o; p[1] ^= o; p[2] ^= _; |
| 393 | p[pitch-1] ^= _; p[pitch] ^= o; p[pitch+1] ^= o; p[pitch+2] ^= _; |
| 394 | p[2*pitch-1]^= o; p[2*pitch]^= _; p[2*pitch+1]^= _; p[2*pitch+2]^= o; |
| 395 | } else { |
| 396 | unsigned char *p = (unsigned char *)g_screen_ptr + offs + 8; |
| 397 | int o = (up ? 0xe0 : 0xf0), _ = (up ? 0xf0 : 0xe0); |
| 398 | |
| 399 | p[-pitch-1] = o; p[-pitch] = _; p[-pitch+1] = _; p[-pitch+2] = o; |
| 400 | p[-1] = _; p[0] = o; p[1] = o; p[2] = _; |
| 401 | p[pitch-1] = _; p[pitch] = o; p[pitch+1] = o; p[pitch+2] = _; |
| 402 | p[2*pitch-1]= o; p[2*pitch]= _; p[2*pitch+1]= _; p[2*pitch+2]= o; |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | |
| 407 | static void vidResetMode(void) |
| 408 | { |
| 409 | // setup GU |
| 410 | sceGuSync(0,0); // sync with prev |
| 411 | sceGuStart(GU_DIRECT, guCmdList); |
| 412 | |
| 413 | sceGuClutMode(GU_PSM_5650,0,0xff,0); |
| 414 | sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB); |
| 415 | if (currentConfig.filter) |
| 416 | sceGuTexFilter(GU_LINEAR, GU_LINEAR); |
| 417 | else sceGuTexFilter(GU_NEAREST, GU_NEAREST); |
| 418 | sceGuTexScale(1.0f,1.0f); |
| 419 | sceGuTexOffset(0.0f,0.0f); |
| 420 | |
| 421 | Pico.m.dirtyPal = 1; |
| 422 | |
| 423 | sceGuFinish(); |
| 424 | set_scaling_params(); |
| 425 | sceGuSync(0,0); |
| 426 | } |
| 427 | |
| 428 | /* sound stuff */ |
| 429 | #define SOUND_BLOCK_COUNT 7 |
| 430 | #define SOUND_BUFFER_CHUNK (2*44100/50) // max.rate/min.frames in stereo |
| 431 | |
| 432 | static short sndBuffer_emu[SOUND_BUFFER_CHUNK+4]; // 4 for sample rounding overhang |
| 433 | static short __attribute__((aligned(4))) sndBuffer[SOUND_BUFFER_CHUNK*SOUND_BLOCK_COUNT]; |
| 434 | static short *sndBuffer_endptr; |
| 435 | static int samples_block; |
| 436 | |
| 437 | static short *snd_playptr, *sndBuffer_ptr; |
| 438 | static int samples_made, samples_done; |
| 439 | |
| 440 | static int sound_thread_exit = 0; |
| 441 | static SceUID sound_sem = -1; |
| 442 | |
| 443 | // There are problems if the sample rate used with the PSP isn't 44100 Hz stereo. |
| 444 | // Hence, use only 11025,22050,44100 here and handle duplication and upsampling. |
| 445 | // Upsample by nearest neighbour, which is the fastest but may create artifacts. |
| 446 | |
| 447 | static void writeSound(int len) |
| 448 | { |
| 449 | // make sure there is enough free space in the buffer after |
| 450 | // this frame, else the next frame may overwrite old stored samples. |
| 451 | if (samples_made - samples_done < samples_block * (SOUND_BLOCK_COUNT-2) - 8) { |
| 452 | sndBuffer_ptr += len / 2; |
| 453 | if (sndBuffer_ptr - sndBuffer > sizeof(sndBuffer)/2) |
| 454 | lprintf("snd ovrn %d %d\n", len, sndBuffer_ptr - sndBuffer); |
| 455 | if (sndBuffer_ptr >= sndBuffer_endptr) { |
| 456 | int wrap = sndBuffer_ptr - sndBuffer_endptr; |
| 457 | if (wrap > 0) |
| 458 | memcpy(sndBuffer, sndBuffer_endptr, 2*wrap); |
| 459 | sndBuffer_ptr -= sndBuffer_endptr - sndBuffer; |
| 460 | } |
| 461 | |
| 462 | samples_made += len / 2; |
| 463 | } else |
| 464 | lprintf("snd oflow %i!\n", samples_made - samples_done); |
| 465 | |
| 466 | // signal the snd thread |
| 467 | sceKernelSignalSema(sound_sem, 1); |
| 468 | } |
| 469 | |
| 470 | static void writeSound_44100_stereo(int len) |
| 471 | { |
| 472 | writeSound(len); |
| 473 | PicoIn.sndOut = sndBuffer_ptr; |
| 474 | } |
| 475 | |
| 476 | static void writeSound_44100_mono(int len) |
| 477 | { |
| 478 | short *p = sndBuffer_ptr; |
| 479 | int i; |
| 480 | |
| 481 | for (i = 0; i < len / 2; i++, p+=2) |
| 482 | p[0] = p[1] = PicoIn.sndOut[i]; |
| 483 | writeSound(2*len); |
| 484 | } |
| 485 | |
| 486 | static void writeSound_22050_stereo(int len) |
| 487 | { |
| 488 | short *p = sndBuffer_ptr; |
| 489 | int i; |
| 490 | |
| 491 | for (i = 0; i < len / 2; i+=2, p+=4) { |
| 492 | p[0] = p[2] = PicoIn.sndOut[i]; |
| 493 | p[1] = p[3] = PicoIn.sndOut[i+1]; |
| 494 | } |
| 495 | writeSound(2*len); |
| 496 | } |
| 497 | |
| 498 | static void writeSound_22050_mono(int len) |
| 499 | { |
| 500 | short *p = sndBuffer_ptr; |
| 501 | int i; |
| 502 | |
| 503 | for (i = 0; i < len / 2; i++, p+=4) { |
| 504 | p[0] = p[2] = PicoIn.sndOut[i]; |
| 505 | p[1] = p[3] = PicoIn.sndOut[i]; |
| 506 | } |
| 507 | writeSound(4*len); |
| 508 | } |
| 509 | |
| 510 | static void writeSound_11025_stereo(int len) |
| 511 | { |
| 512 | short *p = sndBuffer_ptr; |
| 513 | int i; |
| 514 | |
| 515 | for (i = 0; i < len / 2; i+=2, p+=8) { |
| 516 | p[0] = p[2] = p[4] = p[6] = PicoIn.sndOut[i]; |
| 517 | p[1] = p[3] = p[5] = p[7] = PicoIn.sndOut[i+1]; |
| 518 | } |
| 519 | writeSound(4*len); |
| 520 | } |
| 521 | |
| 522 | static void writeSound_11025_mono(int len) |
| 523 | { |
| 524 | short *p = sndBuffer_ptr; |
| 525 | int i; |
| 526 | |
| 527 | for (i = 0; i < len / 2; i++, p+=8) { |
| 528 | p[0] = p[2] = p[4] = p[6] = PicoIn.sndOut[i]; |
| 529 | p[1] = p[3] = p[5] = p[7] = PicoIn.sndOut[i]; |
| 530 | } |
| 531 | writeSound(8*len); |
| 532 | } |
| 533 | |
| 534 | static int sound_thread(SceSize args, void *argp) |
| 535 | { |
| 536 | lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority()); |
| 537 | |
| 538 | while (!sound_thread_exit) |
| 539 | { |
| 540 | int ret; |
| 541 | |
| 542 | if (samples_made - samples_done < samples_block) { |
| 543 | // wait for data (use at least 2 blocks) |
| 544 | //lprintf("sthr: wait... (%i)\n", samples_made - samples_done); |
| 545 | while (samples_made - samples_done < samples_block*2 && !sound_thread_exit) { |
| 546 | ret = sceKernelWaitSema(sound_sem, 1, 0); |
| 547 | if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret); |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | // if the sample buffer runs low, push some extra |
| 552 | if (sceAudioOutput2GetRestSample()*2 < samples_block/4) |
| 553 | ret = sceAudioSRCOutputBlocking(PSP_AUDIO_VOLUME_MAX, snd_playptr); |
| 554 | ret = sceAudioSRCOutputBlocking(PSP_AUDIO_VOLUME_MAX, snd_playptr); |
| 555 | // 1.5 kernel returns 0, newer ones return # of samples queued |
| 556 | if (ret < 0) lprintf("sthr: play: ret %08x; pos %i/%i\n", ret, samples_done, samples_made); |
| 557 | |
| 558 | samples_done += samples_block; |
| 559 | snd_playptr += samples_block; |
| 560 | if (snd_playptr >= sndBuffer_endptr) |
| 561 | snd_playptr -= sndBuffer_endptr - sndBuffer; |
| 562 | } |
| 563 | |
| 564 | lprintf("sthr: exit\n"); |
| 565 | sceKernelExitDeleteThread(0); |
| 566 | return 0; |
| 567 | } |
| 568 | |
| 569 | static void sound_init(void) |
| 570 | { |
| 571 | SceUID thid; |
| 572 | int ret; |
| 573 | |
| 574 | sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL); |
| 575 | if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem); |
| 576 | |
| 577 | samples_made = samples_done = 0; |
| 578 | samples_block = 2*22050/60; // make sure it goes to sema |
| 579 | sound_thread_exit = 0; |
| 580 | thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x1000, 0, NULL); |
| 581 | if (thid >= 0) |
| 582 | { |
| 583 | ret = sceKernelStartThread(thid, 0, 0); |
| 584 | if (ret < 0) lprintf("sound_init: sceKernelStartThread returned %08x\n", ret); |
| 585 | } |
| 586 | else |
| 587 | lprintf("sceKernelCreateThread failed: %i\n", thid); |
| 588 | } |
| 589 | |
| 590 | #define PSP_RATE 44100 // PicoIn.sndRate |
| 591 | |
| 592 | void pemu_sound_start(void) |
| 593 | { |
| 594 | static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0; |
| 595 | static int mp3_init_done; |
| 596 | int ret, stereo, factor; |
| 597 | |
| 598 | samples_made = samples_done = 0; |
| 599 | |
| 600 | if (!(currentConfig.EmuOpt & EOPT_EN_SOUND)) |
| 601 | return; |
| 602 | |
| 603 | if (PicoIn.AHW & PAHW_MCD) { |
| 604 | // mp3... |
| 605 | if (!mp3_init_done) { |
| 606 | ret = mp3_init(); |
| 607 | mp3_init_done = 1; |
| 608 | if (ret) emu_status_msg("mp3 init failed (%i)", ret); |
| 609 | } |
| 610 | } |
| 611 | |
| 612 | ret = POPT_EN_FM|POPT_EN_PSG|POPT_EN_STEREO; |
| 613 | if (PicoIn.sndRate != PsndRate_old || (PicoIn.opt&ret) != (PicoOpt_old&ret) || Pico.m.pal != pal_old) { |
| 614 | PsndRerate(Pico.m.frame_count ? 1 : 0); |
| 615 | } |
| 616 | stereo = (PicoIn.opt&8)>>3; |
| 617 | |
| 618 | // PSP doesn't support mono in SRC, always use stereo and convert |
| 619 | factor = PSP_RATE / PicoIn.sndRate; |
| 620 | samples_block = (PSP_RATE / (Pico.m.pal ? 50 : 60)) * 2; |
| 621 | |
| 622 | lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n", |
| 623 | PicoIn.sndRate, Pico.snd.len, stereo, Pico.m.pal, samples_block); |
| 624 | |
| 625 | ret = sceAudioSRCChReserve(samples_block/2, PSP_RATE, 2); // seems to not need that stupid 64byte alignment |
| 626 | if (ret < 0) { |
| 627 | lprintf("sceAudioSRCChReserve() failed: %i\n", ret); |
| 628 | emu_status_msg("sound init failed (%i), snd disabled", ret); |
| 629 | currentConfig.EmuOpt &= ~EOPT_EN_SOUND; |
| 630 | } else { |
| 631 | switch (factor) { |
| 632 | case 1: PicoIn.writeSound = stereo ? writeSound_44100_stereo:writeSound_44100_mono; break; |
| 633 | case 2: PicoIn.writeSound = stereo ? writeSound_22050_stereo:writeSound_22050_mono; break; |
| 634 | case 4: PicoIn.writeSound = stereo ? writeSound_11025_stereo:writeSound_11025_mono; break; |
| 635 | } |
| 636 | sndBuffer_endptr = sndBuffer + (SOUND_BLOCK_COUNT-1)*samples_block; |
| 637 | snd_playptr = sndBuffer_ptr = sndBuffer; |
| 638 | PicoIn.sndOut = (factor == 1 && stereo ? sndBuffer_ptr : sndBuffer_emu); |
| 639 | |
| 640 | // push one audio block to cover time to first frame audio |
| 641 | // memset32(PicoIn.sndOut, 0, samples_block/2); |
| 642 | // writeSound(samples_block*2); |
| 643 | |
| 644 | PsndRate_old = PicoIn.sndRate; |
| 645 | PicoOpt_old = PicoIn.opt; |
| 646 | pal_old = Pico.m.pal; |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | void pemu_sound_stop(void) |
| 651 | { |
| 652 | int i; |
| 653 | if (samples_done == 0) |
| 654 | { |
| 655 | // if no data is written between sceAudioSRCChReserve and sceAudioSRCChRelease calls, |
| 656 | // we get a deadlock on next sceAudioSRCChReserve call |
| 657 | // so this is yet another workaround: |
| 658 | memset32((int *)(void *)sndBuffer, 0, samples_block*4/4); |
| 659 | samples_made = samples_block * 3; |
| 660 | sceKernelSignalSema(sound_sem, 1); |
| 661 | } |
| 662 | sceKernelDelayThread(100*1000); |
| 663 | samples_made = samples_done = 0; |
| 664 | for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++) |
| 665 | psp_msleep(100); |
| 666 | sceAudioSRCChRelease(); |
| 667 | } |
| 668 | |
| 669 | static void sound_deinit(void) |
| 670 | { |
| 671 | sound_thread_exit = 1; |
| 672 | sceKernelSignalSema(sound_sem, 1); |
| 673 | sceKernelDeleteSema(sound_sem); |
| 674 | sound_sem = -1; |
| 675 | } |
| 676 | |
| 677 | /* set default configuration values */ |
| 678 | void pemu_prep_defconfig(void) |
| 679 | { |
| 680 | defaultConfig.s_PsndRate = 22050; |
| 681 | defaultConfig.s_PicoCDBuffers = 64; |
| 682 | defaultConfig.CPUclock = 333; |
| 683 | defaultConfig.filter = EOPT_FILTER_BILINEAR; // bilinear filtering |
| 684 | defaultConfig.scaling = EOPT_SCALE_43; |
| 685 | defaultConfig.vscaling = EOPT_VSCALE_FULL; |
| 686 | defaultConfig.renderer = RT_8BIT_ACC; |
| 687 | defaultConfig.renderer32x = RT_8BIT_FAST; |
| 688 | defaultConfig.EmuOpt |= EOPT_SHOW_RTC; |
| 689 | } |
| 690 | |
| 691 | /* check configuration for inconsistencies */ |
| 692 | void pemu_validate_config(void) |
| 693 | { |
| 694 | if (currentConfig.CPUclock < 33 || currentConfig.CPUclock > 333) |
| 695 | currentConfig.CPUclock = 333; |
| 696 | if (currentConfig.gamma < -4 || currentConfig.gamma > 16) |
| 697 | currentConfig.gamma = 0; |
| 698 | if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) |
| 699 | currentConfig.gamma2 = 0; |
| 700 | } |
| 701 | |
| 702 | /* finalize rendering a frame */ |
| 703 | void pemu_finalize_frame(const char *fps, const char *notice) |
| 704 | { |
| 705 | int emu_opt = currentConfig.EmuOpt; |
| 706 | |
| 707 | if (PicoIn.AHW & PAHW_PICO) { |
| 708 | int h = out_h, w = out_w; |
| 709 | u16 *pd = g_screen_ptr + out_y*g_screen_ppitch + out_x; |
| 710 | |
| 711 | if (pico_inp_mode && is_16bit_mode()) |
| 712 | emu_pico_overlay(pd, w, h, g_screen_ppitch); |
| 713 | if (pico_inp_mode /*== 2 || overlay*/) |
| 714 | draw_pico_ptr(); |
| 715 | } |
| 716 | |
| 717 | // draw virtual keyboard on display |
| 718 | if (kbd_mode && currentConfig.keyboard == 1 && vkbd) |
| 719 | vkbd_draw(vkbd); |
| 720 | |
| 721 | osd_buf_cnt = 0; |
| 722 | if (notice) |
| 723 | osd_text(4, notice); |
| 724 | if (emu_opt & EOPT_SHOW_FPS) |
| 725 | osd_text(OSD_FPS_X, fps); |
| 726 | |
| 727 | osd_cdleds = 0; |
| 728 | if ((emu_opt & EOPT_EN_CD_LEDS) && (PicoIn.AHW & PAHW_MCD)) |
| 729 | cd_leds(); |
| 730 | |
| 731 | sceKernelDcacheWritebackAll(); |
| 732 | } |
| 733 | |
| 734 | /* FIXME: move plat_* to plat? */ |
| 735 | |
| 736 | void plat_debug_cat(char *str) |
| 737 | { |
| 738 | } |
| 739 | |
| 740 | /* platform dependend emulator initialization */ |
| 741 | void plat_init(void) |
| 742 | { |
| 743 | flip_after_sync = 1; |
| 744 | psp_menu_init(); |
| 745 | in_psp_init(in_psp_defbinds); |
| 746 | in_probe(); |
| 747 | sound_init(); |
| 748 | plat_get_data_dir(rom_fname_loaded, sizeof(rom_fname_loaded)); |
| 749 | } |
| 750 | |
| 751 | /* platform dependend emulator deinitialization */ |
| 752 | void plat_finish(void) |
| 753 | { |
| 754 | sound_deinit(); |
| 755 | } |
| 756 | |
| 757 | /* display emulator status messages before holding emulation */ |
| 758 | void plat_status_msg_busy_first(const char *msg) |
| 759 | { |
| 760 | plat_status_msg_busy_next(msg); |
| 761 | } |
| 762 | |
| 763 | void plat_status_msg_busy_next(const char *msg) |
| 764 | { |
| 765 | plat_status_msg_clear(); |
| 766 | pemu_finalize_frame("", msg); |
| 767 | // flip twice since our GU pipeline has one frame delay |
| 768 | plat_video_flip(); |
| 769 | plat_video_flip(); |
| 770 | emu_status_msg(""); |
| 771 | reset_timing = 1; |
| 772 | } |
| 773 | |
| 774 | void plat_status_msg_busy_done(void) |
| 775 | { |
| 776 | } |
| 777 | |
| 778 | /* clear status message area */ |
| 779 | void plat_status_msg_clear(void) |
| 780 | { |
| 781 | // not needed since the screen buf is cleared through the GU |
| 782 | } |
| 783 | |
| 784 | /* change the audio volume setting */ |
| 785 | void plat_update_volume(int has_changed, int is_up) |
| 786 | { |
| 787 | } |
| 788 | |
| 789 | /* prepare for MD screen mode change */ |
| 790 | void emu_video_mode_change(int start_line, int line_count, int start_col, int col_count) |
| 791 | { |
| 792 | int h43 = (col_count >= 192 ? 320 : col_count); // ugh, mind GG... |
| 793 | int v43 = (line_count >= 192 ? Pico.m.pal ? 240 : 224 : line_count); |
| 794 | |
| 795 | out_y = start_line; out_x = start_col; |
| 796 | out_h = line_count; out_w = col_count; |
| 797 | |
| 798 | if (col_count == 248) // mind aspect ratio when blanking 1st column |
| 799 | col_count = 256; |
| 800 | |
| 801 | switch (currentConfig.vscaling) { |
| 802 | case EOPT_VSCALE_FULL: |
| 803 | line_count = v43; |
| 804 | vscale = (float)270/line_count; |
| 805 | break; |
| 806 | case EOPT_VSCALE_NOBORDER: |
| 807 | vscale = (float)270/line_count; |
| 808 | break; |
| 809 | default: |
| 810 | vscale = 1; |
| 811 | break; |
| 812 | } |
| 813 | |
| 814 | switch (currentConfig.scaling) { |
| 815 | case EOPT_SCALE_43: |
| 816 | hscale = (vscale*h43)/col_count; |
| 817 | break; |
| 818 | case EOPT_SCALE_STRETCH: |
| 819 | hscale = (vscale*h43/2 + 480/2)/col_count; |
| 820 | break; |
| 821 | case EOPT_SCALE_WIDE: |
| 822 | hscale = (float)480/col_count; |
| 823 | break; |
| 824 | default: |
| 825 | hscale = vscale; |
| 826 | break; |
| 827 | } |
| 828 | |
| 829 | vidResetMode(); |
| 830 | } |
| 831 | |
| 832 | /* render one frame in RGB */ |
| 833 | void pemu_forced_frame(int no_scale, int do_emu) |
| 834 | { |
| 835 | Pico.m.dirtyPal = 1; |
| 836 | |
| 837 | if (!no_scale) |
| 838 | no_scale = currentConfig.scaling == EOPT_SCALE_NONE; |
| 839 | emu_cmn_forced_frame(no_scale, do_emu, g_screen_ptr); |
| 840 | } |
| 841 | |
| 842 | /* clear all video buffers to remove remnants in borders */ |
| 843 | void plat_video_clear_buffers(void) |
| 844 | { |
| 845 | // not needed since output buffer is cleared in flip anyway |
| 846 | } |
| 847 | |
| 848 | /* change the platform output rendering */ |
| 849 | void plat_video_toggle_renderer(int change, int is_menu_call) |
| 850 | { |
| 851 | change_renderer(change); |
| 852 | |
| 853 | if (is_menu_call) |
| 854 | return; |
| 855 | |
| 856 | apply_renderer(); |
| 857 | vidResetMode(); |
| 858 | rendstatus_old = -1; |
| 859 | |
| 860 | if (PicoIn.AHW & PAHW_32X) |
| 861 | emu_status_msg(renderer_names32x[get_renderer()]); |
| 862 | else |
| 863 | emu_status_msg(renderer_names[get_renderer()]); |
| 864 | } |
| 865 | |
| 866 | /* set the buffer for emulator output rendering */ |
| 867 | void plat_video_set_buffer(void *buf) |
| 868 | { |
| 869 | if (is_16bit_mode()) |
| 870 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2); |
| 871 | else |
| 872 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch); |
| 873 | } |
| 874 | |
| 875 | /* prepare for emulator output rendering */ |
| 876 | void plat_video_loop_prepare(void) |
| 877 | { |
| 878 | apply_renderer(); |
| 879 | vidResetMode(); |
| 880 | } |
| 881 | |
| 882 | /* prepare for entering the emulator loop */ |
| 883 | void pemu_loop_prep(void) |
| 884 | { |
| 885 | } |
| 886 | |
| 887 | /* terminate the emulator loop */ |
| 888 | void pemu_loop_end(void) |
| 889 | { |
| 890 | pemu_sound_stop(); |
| 891 | } |
| 892 | |
| 893 | /* resume from suspend: change to main menu if emu was running */ |
| 894 | void emu_handle_resume(void) |
| 895 | { |
| 896 | if (engineState == PGS_Running) |
| 897 | engineState = PGS_Menu; |
| 898 | } |
| 899 | |