cff531af |
1 | /*\r |
2 | * PicoDrive\r |
3 | * (C) notaz, 2006-2010\r |
4 | *\r |
5 | * This work is licensed under the terms of MAME license.\r |
6 | * See COPYING file in the top-level directory.\r |
7 | */\r |
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8 | \r |
9 | #include <stdio.h>\r |
10 | #include <unistd.h>\r |
11 | \r |
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12 | #include "../libpicofe/menu.h"\r |
13 | #include "../libpicofe/plat.h"\r |
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14 | #include "../common/emu.h"\r |
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15 | #include "../common/arm_utils.h"\r |
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16 | #include "../common/version.h"\r |
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17 | \r |
18 | #include <pico/pico_int.h>\r |
19 | \r |
20 | \r |
fcdefcf6 |
21 | const char *renderer_names[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL };\r |
22 | const char *renderer_names32x[] = { "accurate", "faster", "fastest", NULL };\r |
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23 | enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT };\r |
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24 | \r |
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25 | \r |
26 | void pemu_prep_defconfig(void)\r |
27 | {\r |
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28 | }\r |
29 | \r |
30 | void pemu_validate_config(void)\r |
31 | {\r |
32 | extern int PicoOpt;\r |
33 | // PicoOpt &= ~POPT_EXT_FM;\r |
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34 | PicoOpt &= ~POPT_EN_DRC;\r |
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35 | }\r |
36 | \r |
37 | // FIXME: dupes from GP2X, need cleanup\r |
38 | static void (*osd_text)(int x, int y, const char *text);\r |
39 | \r |
d08e7326 |
40 | /*\r |
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41 | static void osd_text8(int x, int y, const char *text)\r |
42 | {\r |
43 | int len = strlen(text)*8;\r |
44 | int *p, i, h, offs;\r |
45 | \r |
46 | len = (len+3) >> 2;\r |
47 | for (h = 0; h < 8; h++) {\r |
48 | offs = (x + g_screen_width * (y+h)) & ~3;\r |
49 | p = (int *) ((char *)g_screen_ptr + offs);\r |
50 | for (i = len; i; i--, p++)\r |
51 | *p = 0xe0e0e0e0;\r |
52 | }\r |
53 | emu_text_out8(x, y, text);\r |
54 | }\r |
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55 | */\r |
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56 | \r |
57 | static void osd_text16(int x, int y, const char *text)\r |
58 | {\r |
59 | int len = strlen(text)*8;\r |
60 | int *p, i, h, offs;\r |
61 | \r |
62 | len = (len+1) >> 1;\r |
63 | for (h = 0; h < 8; h++) {\r |
64 | offs = (x + g_screen_width * (y+h)) & ~1;\r |
65 | p = (int *) ((short *)g_screen_ptr + offs);\r |
66 | for (i = len; i; i--, p++)\r |
67 | *p = (*p >> 2) & 0x39e7;\r |
68 | }\r |
69 | emu_text_out16(x, y, text);\r |
70 | }\r |
71 | \r |
72 | static void draw_cd_leds(void)\r |
73 | {\r |
74 | int led_reg, pitch, scr_offs, led_offs;\r |
75 | led_reg = Pico_mcd->s68k_regs[0];\r |
76 | \r |
77 | pitch = 320;\r |
78 | led_offs = 4;\r |
79 | scr_offs = pitch * 2 + 4;\r |
80 | \r |
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81 | if (currentConfig.renderer != RT_16BIT) {\r |
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82 | #define p(x) px[(x) >> 2]\r |
83 | // 8-bit modes\r |
84 | unsigned int *px = (unsigned int *)((char *)g_screen_ptr + scr_offs);\r |
85 | unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r |
86 | unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r |
87 | p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r |
88 | p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r |
89 | #undef p\r |
90 | } else {\r |
91 | #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]\r |
92 | // 16-bit modes\r |
93 | unsigned int *px = (unsigned int *)((short *)g_screen_ptr + scr_offs);\r |
94 | unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;\r |
95 | unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;\r |
96 | p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r |
97 | p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r |
98 | #undef p\r |
99 | }\r |
100 | }\r |
101 | \r |
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102 | void pemu_finalize_frame(const char *fps, const char *notice)\r |
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103 | {\r |
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104 | if (currentConfig.renderer != RT_16BIT && !(PicoAHW & PAHW_32X)) {\r |
105 | unsigned short *pd = (unsigned short *)g_screen_ptr + 8 * g_screen_width;\r |
106 | unsigned char *ps = PicoDraw2FB + 328*8 + 8;\r |
107 | unsigned short *pal = HighPal;\r |
108 | int i, x;\r |
109 | if (Pico.m.dirtyPal)\r |
110 | PicoDrawUpdateHighPal();\r |
111 | for (i = 0; i < 224; i++, ps += 8)\r |
112 | for (x = 0; x < 320; x++)\r |
113 | *pd++ = pal[*ps++];\r |
114 | }\r |
115 | \r |
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116 | if (notice || (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {\r |
117 | if (notice)\r |
118 | osd_text(4, g_screen_height - 8, notice);\r |
119 | if (currentConfig.EmuOpt & EOPT_SHOW_FPS)\r |
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120 | osd_text(g_screen_width - 60, g_screen_height - 8, fps);\r |
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121 | }\r |
122 | if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r |
123 | draw_cd_leds();\r |
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124 | }\r |
125 | \r |
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126 | static void apply_renderer(void)\r |
127 | {\r |
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128 | switch (currentConfig.renderer) {\r |
129 | case RT_16BIT:\r |
130 | PicoOpt &= ~POPT_ALT_RENDERER;\r |
131 | PicoDrawSetOutFormat(PDF_RGB555, 0);\r |
132 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r |
133 | break;\r |
134 | case RT_8BIT_ACC:\r |
135 | PicoOpt &= ~POPT_ALT_RENDERER;\r |
136 | PicoDrawSetOutFormat(PDF_8BIT, 0);\r |
137 | PicoDrawSetOutBuf(PicoDraw2FB + 8, 328);\r |
138 | break;\r |
139 | case RT_8BIT_FAST:\r |
140 | PicoOpt |= POPT_ALT_RENDERER;\r |
141 | PicoDrawSetOutFormat(PDF_NONE, 0);\r |
142 | break;\r |
143 | }\r |
144 | \r |
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145 | if (PicoAHW & PAHW_32X)\r |
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146 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r |
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147 | }\r |
148 | \r |
149 | void plat_video_toggle_renderer(int change, int is_menu)\r |
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150 | {\r |
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151 | currentConfig.renderer += change;\r |
152 | if (currentConfig.renderer >= RT_COUNT)\r |
153 | currentConfig.renderer = 0;\r |
154 | else if (currentConfig.renderer < 0)\r |
155 | currentConfig.renderer = RT_COUNT - 1;\r |
156 | \r |
157 | if (!is_menu)\r |
158 | apply_renderer();\r |
159 | \r |
160 | emu_status_msg(renderer_names[currentConfig.renderer]);\r |
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161 | }\r |
162 | \r |
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163 | void plat_status_msg_clear(void)\r |
164 | {\r |
165 | unsigned short *d = (unsigned short *)g_screen_ptr + g_screen_width * g_screen_height;\r |
166 | int l = g_screen_width * 8;\r |
167 | memset32((int *)(d - l), 0, l * 2 / 4);\r |
168 | }\r |
169 | \r |
170 | void plat_status_msg_busy_next(const char *msg)\r |
171 | {\r |
172 | plat_status_msg_clear();\r |
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173 | pemu_finalize_frame("", msg);\r |
174 | plat_video_flip();\r |
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175 | emu_status_msg("");\r |
176 | reset_timing = 1;\r |
177 | }\r |
178 | \r |
179 | void plat_status_msg_busy_first(const char *msg)\r |
180 | {\r |
181 | // memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r |
182 | plat_status_msg_busy_next(msg);\r |
183 | }\r |
184 | \r |
185 | void plat_update_volume(int has_changed, int is_up)\r |
186 | {\r |
187 | }\r |
188 | \r |
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189 | void pemu_forced_frame(int no_scale, int do_emu)\r |
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190 | {\r |
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191 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r |
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192 | PicoDrawSetCallbacks(NULL, NULL);\r |
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193 | Pico.m.dirtyPal = 1;\r |
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194 | \r |
195 | emu_cmn_forced_frame(no_scale, do_emu);\r |
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196 | \r |
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197 | g_menubg_src_ptr = g_screen_ptr;\r |
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198 | }\r |
199 | \r |
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200 | void pemu_sound_start(void)\r |
201 | {\r |
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202 | emu_sound_start();\r |
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203 | }\r |
204 | \r |
205 | void plat_debug_cat(char *str)\r |
206 | {\r |
207 | }\r |
208 | \r |
209 | void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r |
210 | {\r |
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211 | // clear whole screen in all buffers\r |
212 | memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r |
213 | }\r |
214 | \r |
215 | void pemu_loop_prep(void)\r |
216 | {\r |
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217 | apply_renderer();\r |
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218 | osd_text = osd_text16;\r |
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219 | }\r |
220 | \r |
221 | void pemu_loop_end(void)\r |
222 | {\r |
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223 | /* do one more frame for menu bg */\r |
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224 | pemu_forced_frame(0, 1);\r |
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225 | }\r |
226 | \r |
227 | void plat_wait_till_us(unsigned int us_to)\r |
228 | {\r |
229 | unsigned int now;\r |
230 | \r |
231 | now = plat_get_ticks_us();\r |
232 | \r |
233 | while ((signed int)(us_to - now) > 512)\r |
234 | {\r |
235 | usleep(1024);\r |
236 | now = plat_get_ticks_us();\r |
237 | }\r |
238 | }\r |
239 | \r |