3 * (C) notaz, 2006-2010
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5 * This work is licensed under the terms of MAME license.
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6 * See COPYING file in the top-level directory.
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12 #include "../libpicofe/menu.h"
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13 #include "../libpicofe/plat.h"
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14 #include "../common/emu.h"
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15 #include "../common/arm_utils.h"
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16 #include "../common/version.h"
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18 #include <pico/pico_int.h>
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21 const char *renderer_names[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL };
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22 const char *renderer_names32x[] = { "accurate", "faster", "fastest", NULL };
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23 enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT };
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26 void pemu_prep_defconfig(void)
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30 void pemu_validate_config(void)
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33 // PicoOpt &= ~POPT_EXT_FM;
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34 PicoOpt &= ~POPT_EN_SVP_DRC;
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37 // FIXME: dupes from GP2X, need cleanup
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38 static void (*osd_text)(int x, int y, const char *text);
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41 static void osd_text8(int x, int y, const char *text)
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43 int len = strlen(text)*8;
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47 for (h = 0; h < 8; h++) {
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48 offs = (x + g_screen_width * (y+h)) & ~3;
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49 p = (int *) ((char *)g_screen_ptr + offs);
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50 for (i = len; i; i--, p++)
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53 emu_text_out8(x, y, text);
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57 static void osd_text16(int x, int y, const char *text)
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59 int len = strlen(text)*8;
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63 for (h = 0; h < 8; h++) {
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64 offs = (x + g_screen_width * (y+h)) & ~1;
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65 p = (int *) ((short *)g_screen_ptr + offs);
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66 for (i = len; i; i--, p++)
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67 *p = (*p >> 2) & 0x39e7;
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69 emu_text_out16(x, y, text);
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72 static void draw_cd_leds(void)
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74 int led_reg, pitch, scr_offs, led_offs;
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75 led_reg = Pico_mcd->s68k_regs[0];
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79 scr_offs = pitch * 2 + 4;
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81 if (currentConfig.renderer != RT_16BIT) {
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82 #define p(x) px[(x) >> 2]
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84 unsigned int *px = (unsigned int *)((char *)g_screen_ptr + scr_offs);
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85 unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;
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86 unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;
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87 p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;
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88 p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;
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91 #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]
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93 unsigned int *px = (unsigned int *)((short *)g_screen_ptr + scr_offs);
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94 unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;
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95 unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;
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96 p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;
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97 p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;
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102 void pemu_finalize_frame(const char *fps, const char *notice)
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104 if (currentConfig.renderer != RT_16BIT && !(PicoAHW & PAHW_32X)) {
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105 unsigned short *pd = (unsigned short *)g_screen_ptr + 8 * g_screen_width;
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106 unsigned char *ps = PicoDraw2FB + 328*8 + 8;
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107 unsigned short *pal = HighPal;
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109 if (Pico.m.dirtyPal)
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110 PicoDrawUpdateHighPal();
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111 for (i = 0; i < 224; i++, ps += 8)
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112 for (x = 0; x < 320; x++)
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113 *pd++ = pal[*ps++];
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116 if (notice || (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {
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118 osd_text(4, g_screen_height - 8, notice);
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119 if (currentConfig.EmuOpt & EOPT_SHOW_FPS)
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120 osd_text(g_screen_width - 60, g_screen_height - 8, fps);
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122 if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))
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126 static void apply_renderer(void)
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128 switch (currentConfig.renderer) {
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130 PicoOpt &= ~POPT_ALT_RENDERER;
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131 PicoDrawSetOutFormat(PDF_RGB555, 0);
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132 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
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135 PicoOpt &= ~POPT_ALT_RENDERER;
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136 PicoDrawSetOutFormat(PDF_8BIT, 0);
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137 PicoDrawSetOutBuf(PicoDraw2FB + 8, 328);
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140 PicoOpt |= POPT_ALT_RENDERER;
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141 PicoDrawSetOutFormat(PDF_NONE, 0);
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145 if (PicoAHW & PAHW_32X) {
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147 if (currentConfig.renderer == RT_16BIT)
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150 PicoDrawSetOutFormat(PDF_NONE, 0);
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151 PicoDraw32xSetFrameMode(1, only_32x);
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152 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
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154 //PicoDraw32xSetFrameMode(0, 0);
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155 //PicoDrawSetOutFormat(PDF_RGB555, 1);
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158 void plat_video_toggle_renderer(int change, int is_menu)
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160 currentConfig.renderer += change;
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161 if (currentConfig.renderer >= RT_COUNT)
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162 currentConfig.renderer = 0;
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163 else if (currentConfig.renderer < 0)
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164 currentConfig.renderer = RT_COUNT - 1;
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169 emu_status_msg(renderer_names[currentConfig.renderer]);
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172 void plat_status_msg_clear(void)
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174 unsigned short *d = (unsigned short *)g_screen_ptr + g_screen_width * g_screen_height;
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175 int l = g_screen_width * 8;
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176 memset32((int *)(d - l), 0, l * 2 / 4);
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179 void plat_status_msg_busy_next(const char *msg)
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181 plat_status_msg_clear();
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182 pemu_finalize_frame("", msg);
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184 emu_status_msg("");
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188 void plat_status_msg_busy_first(const char *msg)
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190 // memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);
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191 plat_status_msg_busy_next(msg);
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194 void plat_update_volume(int has_changed, int is_up)
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198 void pemu_forced_frame(int no_scale, int do_emu)
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200 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
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201 PicoDraw32xSetFrameMode(0, 0);
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202 PicoDrawSetCallbacks(NULL, NULL);
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203 Pico.m.dirtyPal = 1;
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205 emu_cmn_forced_frame(no_scale, do_emu);
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207 g_menubg_src_ptr = g_screen_ptr;
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210 void pemu_sound_start(void)
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215 void plat_debug_cat(char *str)
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219 void emu_video_mode_change(int start_line, int line_count, int is_32cols)
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221 // clear whole screen in all buffers
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222 memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);
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225 void pemu_loop_prep(void)
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228 osd_text = osd_text16;
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231 void pemu_loop_end(void)
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233 /* do one more frame for menu bg */
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234 pemu_forced_frame(0, 1);
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237 void plat_wait_till_us(unsigned int us_to)
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241 now = plat_get_ticks_us();
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243 while ((signed int)(us_to - now) > 512)
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246 now = plat_get_ticks_us();
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