| 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 |
| 8 | \r |
| 9 | #include <stdio.h>\r |
| 10 | #include <unistd.h>\r |
| 11 | \r |
| 12 | #include "../libpicofe/menu.h"\r |
| 13 | #include "../libpicofe/plat.h"\r |
| 14 | #include "../common/emu.h"\r |
| 15 | #include "../common/arm_utils.h"\r |
| 16 | #include "../common/version.h"\r |
| 17 | \r |
| 18 | #include <pico/pico_int.h>\r |
| 19 | \r |
| 20 | \r |
| 21 | const char *renderer_names[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL };\r |
| 22 | const char *renderer_names32x[] = { "accurate", "faster", "fastest", NULL };\r |
| 23 | enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT };\r |
| 24 | \r |
| 25 | \r |
| 26 | void pemu_prep_defconfig(void)\r |
| 27 | {\r |
| 28 | }\r |
| 29 | \r |
| 30 | void pemu_validate_config(void)\r |
| 31 | {\r |
| 32 | #if !defined(__arm__) && !defined(__i386__) && !defined(__x86_64__)\r |
| 33 | PicoIn.opt &= ~POPT_EN_DRC;\r |
| 34 | #endif\r |
| 35 | }\r |
| 36 | \r |
| 37 | static void draw_cd_leds(void)\r |
| 38 | {\r |
| 39 | int led_reg, pitch, scr_offs, led_offs;\r |
| 40 | led_reg = Pico_mcd->s68k_regs[0];\r |
| 41 | \r |
| 42 | pitch = 320;\r |
| 43 | led_offs = 4;\r |
| 44 | scr_offs = pitch * 2 + 4;\r |
| 45 | \r |
| 46 | if (currentConfig.renderer != RT_16BIT) {\r |
| 47 | #define p(x) px[(x) >> 2]\r |
| 48 | // 8-bit modes\r |
| 49 | unsigned int *px = (unsigned int *)((char *)g_screen_ptr + scr_offs);\r |
| 50 | unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r |
| 51 | unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r |
| 52 | p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r |
| 53 | p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r |
| 54 | #undef p\r |
| 55 | } else {\r |
| 56 | #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]\r |
| 57 | // 16-bit modes\r |
| 58 | unsigned int *px = (unsigned int *)((short *)g_screen_ptr + scr_offs);\r |
| 59 | unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;\r |
| 60 | unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;\r |
| 61 | p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r |
| 62 | p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r |
| 63 | #undef p\r |
| 64 | }\r |
| 65 | }\r |
| 66 | \r |
| 67 | void pemu_finalize_frame(const char *fps, const char *notice)\r |
| 68 | {\r |
| 69 | if (currentConfig.renderer != RT_16BIT && !(PicoIn.AHW & PAHW_32X)) {\r |
| 70 | unsigned short *pd = (unsigned short *)g_screen_ptr + 8 * g_screen_ppitch;\r |
| 71 | unsigned char *ps = Pico.est.Draw2FB + 328*8 + 8;\r |
| 72 | unsigned short *pal = Pico.est.HighPal;\r |
| 73 | int i, x;\r |
| 74 | if (Pico.m.dirtyPal)\r |
| 75 | PicoDrawUpdateHighPal();\r |
| 76 | for (i = 0; i < 224; i++, ps += 8)\r |
| 77 | for (x = 0; x < 320; x++)\r |
| 78 | *pd++ = pal[*ps++];\r |
| 79 | }\r |
| 80 | \r |
| 81 | if (notice || (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {\r |
| 82 | if (notice)\r |
| 83 | emu_osd_text16(4, g_screen_height - 8, notice);\r |
| 84 | if (currentConfig.EmuOpt & EOPT_SHOW_FPS)\r |
| 85 | emu_osd_text16(g_screen_width - 60, g_screen_height - 8, fps);\r |
| 86 | }\r |
| 87 | if ((PicoIn.AHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r |
| 88 | draw_cd_leds();\r |
| 89 | }\r |
| 90 | \r |
| 91 | static void apply_renderer(void)\r |
| 92 | {\r |
| 93 | switch (currentConfig.renderer) {\r |
| 94 | case RT_16BIT:\r |
| 95 | PicoIn.opt &= ~POPT_ALT_RENDERER;\r |
| 96 | PicoDrawSetOutFormat(PDF_RGB555, 0);\r |
| 97 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2);\r |
| 98 | break;\r |
| 99 | case RT_8BIT_ACC:\r |
| 100 | PicoIn.opt &= ~POPT_ALT_RENDERER;\r |
| 101 | PicoDrawSetOutFormat(PDF_8BIT, 0);\r |
| 102 | PicoDrawSetOutBuf(Pico.est.Draw2FB + 8, 328);\r |
| 103 | break;\r |
| 104 | case RT_8BIT_FAST:\r |
| 105 | PicoIn.opt |= POPT_ALT_RENDERER;\r |
| 106 | PicoDrawSetOutFormat(PDF_NONE, 0);\r |
| 107 | break;\r |
| 108 | }\r |
| 109 | \r |
| 110 | if (PicoIn.AHW & PAHW_32X)\r |
| 111 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2);\r |
| 112 | }\r |
| 113 | \r |
| 114 | void plat_video_toggle_renderer(int change, int is_menu)\r |
| 115 | {\r |
| 116 | currentConfig.renderer += change;\r |
| 117 | if (currentConfig.renderer >= RT_COUNT)\r |
| 118 | currentConfig.renderer = 0;\r |
| 119 | else if (currentConfig.renderer < 0)\r |
| 120 | currentConfig.renderer = RT_COUNT - 1;\r |
| 121 | \r |
| 122 | if (!is_menu)\r |
| 123 | apply_renderer();\r |
| 124 | \r |
| 125 | emu_status_msg(renderer_names[currentConfig.renderer]);\r |
| 126 | }\r |
| 127 | \r |
| 128 | void plat_status_msg_clear(void)\r |
| 129 | {\r |
| 130 | unsigned short *d = (unsigned short *)g_screen_ptr + g_screen_ppitch * g_screen_height;\r |
| 131 | int l = g_screen_ppitch * 8;\r |
| 132 | memset32((int *)(d - l), 0, l * 2 / 4);\r |
| 133 | }\r |
| 134 | \r |
| 135 | void plat_status_msg_busy_next(const char *msg)\r |
| 136 | {\r |
| 137 | plat_status_msg_clear();\r |
| 138 | pemu_finalize_frame("", msg);\r |
| 139 | plat_video_flip();\r |
| 140 | emu_status_msg("");\r |
| 141 | reset_timing = 1;\r |
| 142 | }\r |
| 143 | \r |
| 144 | void plat_status_msg_busy_first(const char *msg)\r |
| 145 | {\r |
| 146 | // memset32(g_screen_ptr, 0, g_screen_ppitch * g_screen_height * 2 / 4);\r |
| 147 | plat_status_msg_busy_next(msg);\r |
| 148 | }\r |
| 149 | \r |
| 150 | void plat_update_volume(int has_changed, int is_up)\r |
| 151 | {\r |
| 152 | }\r |
| 153 | \r |
| 154 | void pemu_forced_frame(int no_scale, int do_emu)\r |
| 155 | {\r |
| 156 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2);\r |
| 157 | PicoDrawSetCallbacks(NULL, NULL);\r |
| 158 | Pico.m.dirtyPal = 1;\r |
| 159 | \r |
| 160 | emu_cmn_forced_frame(no_scale, do_emu);\r |
| 161 | \r |
| 162 | g_menubg_src_ptr = g_screen_ptr;\r |
| 163 | }\r |
| 164 | \r |
| 165 | void pemu_sound_start(void)\r |
| 166 | {\r |
| 167 | emu_sound_start();\r |
| 168 | }\r |
| 169 | \r |
| 170 | void plat_debug_cat(char *str)\r |
| 171 | {\r |
| 172 | }\r |
| 173 | \r |
| 174 | void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r |
| 175 | {\r |
| 176 | // clear whole screen in all buffers\r |
| 177 | memset32(g_screen_ptr, 0, g_screen_ppitch * g_screen_height * 2 / 4);\r |
| 178 | }\r |
| 179 | \r |
| 180 | void pemu_loop_prep(void)\r |
| 181 | {\r |
| 182 | apply_renderer();\r |
| 183 | }\r |
| 184 | \r |
| 185 | void pemu_loop_end(void)\r |
| 186 | {\r |
| 187 | /* do one more frame for menu bg */\r |
| 188 | pemu_forced_frame(0, 1);\r |
| 189 | }\r |
| 190 | \r |
| 191 | void plat_wait_till_us(unsigned int us_to)\r |
| 192 | {\r |
| 193 | unsigned int now;\r |
| 194 | \r |
| 195 | now = plat_get_ticks_us();\r |
| 196 | \r |
| 197 | while ((signed int)(us_to - now) > 512)\r |
| 198 | {\r |
| 199 | usleep(1024);\r |
| 200 | now = plat_get_ticks_us();\r |
| 201 | }\r |
| 202 | }\r |
| 203 | \r |
| 204 | void *plat_mem_get_for_drc(size_t size)\r |
| 205 | {\r |
| 206 | return NULL;\r |
| 207 | }\r |