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1 | // (c) Copyright 2006-2009 notaz, All rights reserved.\r |
2 | // Free for non-commercial use.\r |
3 | \r |
4 | // For commercial use, separate licencing terms must be obtained.\r |
5 | \r |
6 | #include <stdio.h>\r |
7 | #include <unistd.h>\r |
8 | \r |
9 | #include "../common/emu.h"\r |
10 | #include "../common/menu.h"\r |
11 | #include "../common/plat.h"\r |
12 | #include "../common/arm_utils.h"\r |
13 | #include "../linux/sndout_oss.h"\r |
14 | #include "version.h"\r |
15 | \r |
16 | #include <pico/pico_int.h>\r |
17 | \r |
18 | \r |
19 | static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r |
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20 | const char *renderer_names[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL };\r |
21 | const char *renderer_names32x[] = { "accurate", "faster", "fastest", NULL };\r |
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22 | enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT };\r |
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23 | \r |
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24 | \r |
25 | void pemu_prep_defconfig(void)\r |
26 | {\r |
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27 | }\r |
28 | \r |
29 | void pemu_validate_config(void)\r |
30 | {\r |
31 | extern int PicoOpt;\r |
32 | // PicoOpt &= ~POPT_EXT_FM;\r |
33 | PicoOpt &= ~POPT_EN_SVP_DRC;\r |
34 | }\r |
35 | \r |
36 | // FIXME: dupes from GP2X, need cleanup\r |
37 | static void (*osd_text)(int x, int y, const char *text);\r |
38 | \r |
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39 | /*\r |
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40 | static void osd_text8(int x, int y, const char *text)\r |
41 | {\r |
42 | int len = strlen(text)*8;\r |
43 | int *p, i, h, offs;\r |
44 | \r |
45 | len = (len+3) >> 2;\r |
46 | for (h = 0; h < 8; h++) {\r |
47 | offs = (x + g_screen_width * (y+h)) & ~3;\r |
48 | p = (int *) ((char *)g_screen_ptr + offs);\r |
49 | for (i = len; i; i--, p++)\r |
50 | *p = 0xe0e0e0e0;\r |
51 | }\r |
52 | emu_text_out8(x, y, text);\r |
53 | }\r |
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54 | */\r |
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55 | \r |
56 | static void osd_text16(int x, int y, const char *text)\r |
57 | {\r |
58 | int len = strlen(text)*8;\r |
59 | int *p, i, h, offs;\r |
60 | \r |
61 | len = (len+1) >> 1;\r |
62 | for (h = 0; h < 8; h++) {\r |
63 | offs = (x + g_screen_width * (y+h)) & ~1;\r |
64 | p = (int *) ((short *)g_screen_ptr + offs);\r |
65 | for (i = len; i; i--, p++)\r |
66 | *p = (*p >> 2) & 0x39e7;\r |
67 | }\r |
68 | emu_text_out16(x, y, text);\r |
69 | }\r |
70 | \r |
71 | static void draw_cd_leds(void)\r |
72 | {\r |
73 | int led_reg, pitch, scr_offs, led_offs;\r |
74 | led_reg = Pico_mcd->s68k_regs[0];\r |
75 | \r |
76 | pitch = 320;\r |
77 | led_offs = 4;\r |
78 | scr_offs = pitch * 2 + 4;\r |
79 | \r |
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80 | if (currentConfig.renderer != RT_16BIT) {\r |
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81 | #define p(x) px[(x) >> 2]\r |
82 | // 8-bit modes\r |
83 | unsigned int *px = (unsigned int *)((char *)g_screen_ptr + scr_offs);\r |
84 | unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r |
85 | unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r |
86 | p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r |
87 | p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r |
88 | #undef p\r |
89 | } else {\r |
90 | #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]\r |
91 | // 16-bit modes\r |
92 | unsigned int *px = (unsigned int *)((short *)g_screen_ptr + scr_offs);\r |
93 | unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;\r |
94 | unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;\r |
95 | p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r |
96 | p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r |
97 | #undef p\r |
98 | }\r |
99 | }\r |
100 | \r |
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101 | void pemu_finalize_frame(const char *fps, const char *notice)\r |
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102 | {\r |
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103 | if (currentConfig.renderer != RT_16BIT && !(PicoAHW & PAHW_32X)) {\r |
104 | unsigned short *pd = (unsigned short *)g_screen_ptr + 8 * g_screen_width;\r |
105 | unsigned char *ps = PicoDraw2FB + 328*8 + 8;\r |
106 | unsigned short *pal = HighPal;\r |
107 | int i, x;\r |
108 | if (Pico.m.dirtyPal)\r |
109 | PicoDrawUpdateHighPal();\r |
110 | for (i = 0; i < 224; i++, ps += 8)\r |
111 | for (x = 0; x < 320; x++)\r |
112 | *pd++ = pal[*ps++];\r |
113 | }\r |
114 | \r |
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115 | if (notice || (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {\r |
116 | if (notice)\r |
117 | osd_text(4, g_screen_height - 8, notice);\r |
118 | if (currentConfig.EmuOpt & EOPT_SHOW_FPS)\r |
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119 | osd_text(g_screen_width - 60, g_screen_height - 8, fps);\r |
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120 | }\r |
121 | if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r |
122 | draw_cd_leds();\r |
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123 | }\r |
124 | \r |
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125 | static void apply_renderer(void)\r |
126 | {\r |
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127 | switch (currentConfig.renderer) {\r |
128 | case RT_16BIT:\r |
129 | PicoOpt &= ~POPT_ALT_RENDERER;\r |
130 | PicoDrawSetOutFormat(PDF_RGB555, 0);\r |
131 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r |
132 | break;\r |
133 | case RT_8BIT_ACC:\r |
134 | PicoOpt &= ~POPT_ALT_RENDERER;\r |
135 | PicoDrawSetOutFormat(PDF_8BIT, 0);\r |
136 | PicoDrawSetOutBuf(PicoDraw2FB + 8, 328);\r |
137 | break;\r |
138 | case RT_8BIT_FAST:\r |
139 | PicoOpt |= POPT_ALT_RENDERER;\r |
140 | PicoDrawSetOutFormat(PDF_NONE, 0);\r |
141 | break;\r |
142 | }\r |
143 | \r |
144 | if (PicoAHW & PAHW_32X) {\r |
145 | int only_32x = 0;\r |
146 | if (currentConfig.renderer == RT_16BIT)\r |
147 | only_32x = 1;\r |
148 | else\r |
149 | PicoDrawSetOutFormat(PDF_NONE, 0);\r |
150 | PicoDraw32xSetFrameMode(1, only_32x);\r |
151 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r |
152 | }\r |
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153 | //PicoDraw32xSetFrameMode(0, 0);\r |
154 | //PicoDrawSetOutFormat(PDF_RGB555, 1);\r |
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155 | }\r |
156 | \r |
157 | void plat_video_toggle_renderer(int change, int is_menu)\r |
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158 | {\r |
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159 | currentConfig.renderer += change;\r |
160 | if (currentConfig.renderer >= RT_COUNT)\r |
161 | currentConfig.renderer = 0;\r |
162 | else if (currentConfig.renderer < 0)\r |
163 | currentConfig.renderer = RT_COUNT - 1;\r |
164 | \r |
165 | if (!is_menu)\r |
166 | apply_renderer();\r |
167 | \r |
168 | emu_status_msg(renderer_names[currentConfig.renderer]);\r |
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169 | }\r |
170 | \r |
171 | void plat_video_menu_enter(int is_rom_loaded)\r |
172 | {\r |
173 | }\r |
174 | \r |
175 | void plat_video_menu_begin(void)\r |
176 | {\r |
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177 | g_menuscreen_ptr = g_screen_ptr;\r |
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178 | }\r |
179 | \r |
180 | void plat_video_menu_end(void)\r |
181 | {\r |
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182 | plat_video_flip();\r |
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183 | }\r |
184 | \r |
185 | void plat_status_msg_clear(void)\r |
186 | {\r |
187 | unsigned short *d = (unsigned short *)g_screen_ptr + g_screen_width * g_screen_height;\r |
188 | int l = g_screen_width * 8;\r |
189 | memset32((int *)(d - l), 0, l * 2 / 4);\r |
190 | }\r |
191 | \r |
192 | void plat_status_msg_busy_next(const char *msg)\r |
193 | {\r |
194 | plat_status_msg_clear();\r |
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195 | pemu_finalize_frame("", msg);\r |
196 | plat_video_flip();\r |
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197 | emu_status_msg("");\r |
198 | reset_timing = 1;\r |
199 | }\r |
200 | \r |
201 | void plat_status_msg_busy_first(const char *msg)\r |
202 | {\r |
203 | // memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r |
204 | plat_status_msg_busy_next(msg);\r |
205 | }\r |
206 | \r |
207 | void plat_update_volume(int has_changed, int is_up)\r |
208 | {\r |
209 | }\r |
210 | \r |
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211 | void pemu_forced_frame(int no_scale, int do_emu)\r |
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212 | {\r |
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213 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r |
214 | PicoDraw32xSetFrameMode(0, 0);\r |
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215 | PicoDrawSetCallbacks(NULL, NULL);\r |
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216 | Pico.m.dirtyPal = 1;\r |
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217 | \r |
218 | emu_cmn_forced_frame(no_scale, do_emu);\r |
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219 | \r |
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220 | g_menubg_src_ptr = g_screen_ptr;\r |
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221 | }\r |
222 | \r |
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223 | static void oss_write_nonblocking(int len)\r |
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224 | {\r |
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225 | // sndout_oss_can_write() is not reliable, only use with no_frmlimit\r |
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226 | if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))\r |
227 | return;\r |
228 | \r |
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229 | sndout_oss_write_nb(PsndOut, len);\r |
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230 | }\r |
231 | \r |
232 | void pemu_sound_start(void)\r |
233 | {\r |
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234 | PsndOut = NULL;\r |
235 | \r |
236 | if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r |
237 | {\r |
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238 | int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r |
239 | \r |
240 | PsndRerate(Pico.m.frame_count ? 1 : 0);\r |
241 | \r |
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242 | printf("starting audio: %i len: %i stereo: %i, pal: %i\n",\r |
243 | PsndRate, PsndLen, is_stereo, Pico.m.pal);\r |
244 | sndout_oss_start(PsndRate, is_stereo, 1);\r |
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245 | sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r |
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246 | PicoWriteSound = oss_write_nonblocking;\r |
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247 | plat_update_volume(0, 0);\r |
248 | memset(sndBuffer, 0, sizeof(sndBuffer));\r |
249 | PsndOut = sndBuffer;\r |
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250 | }\r |
251 | }\r |
252 | \r |
253 | void pemu_sound_stop(void)\r |
254 | {\r |
255 | }\r |
256 | \r |
257 | void pemu_sound_wait(void)\r |
258 | {\r |
259 | // don't need to do anything, writes will block by themselves\r |
260 | }\r |
261 | \r |
262 | void plat_debug_cat(char *str)\r |
263 | {\r |
264 | }\r |
265 | \r |
266 | void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r |
267 | {\r |
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268 | // clear whole screen in all buffers\r |
269 | memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r |
270 | }\r |
271 | \r |
272 | void pemu_loop_prep(void)\r |
273 | {\r |
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274 | apply_renderer();\r |
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275 | osd_text = osd_text16;\r |
276 | \r |
277 | pemu_sound_start();\r |
278 | }\r |
279 | \r |
280 | void pemu_loop_end(void)\r |
281 | {\r |
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282 | pemu_sound_stop();\r |
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283 | \r |
284 | /* do one more frame for menu bg */\r |
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285 | pemu_forced_frame(0, 1);\r |
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286 | }\r |
287 | \r |
288 | void plat_wait_till_us(unsigned int us_to)\r |
289 | {\r |
290 | unsigned int now;\r |
291 | \r |
292 | now = plat_get_ticks_us();\r |
293 | \r |
294 | while ((signed int)(us_to - now) > 512)\r |
295 | {\r |
296 | usleep(1024);\r |
297 | now = plat_get_ticks_us();\r |
298 | }\r |
299 | }\r |
300 | \r |