2 * (c) Copyright 2006-2010 notaz, All rights reserved.
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4 * For performance reasons 3 renderers are exported for both MD and 32x modes:
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5 * - 16bpp line renderer
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6 * - 8bpp line renderer (slightly faster)
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7 * - 8bpp tile renderer
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9 * - 32x layer is overlayed on top of 16bpp one
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10 * - line internal one done on PicoDraw2FB, then mixed with 32x
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11 * - tile internal one done on PicoDraw2FB, then mixed with 32x
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17 #include "plat_gp2x.h"
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19 #include "../common/plat.h"
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20 #include "../common/menu.h"
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21 #include "../common/arm_utils.h"
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22 #include "../common/fonts.h"
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23 #include "../common/emu.h"
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24 #include "../common/config.h"
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25 #include "../linux/sndout_oss.h"
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26 #include "version.h"
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28 #include <pico/pico_int.h>
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29 #include <pico/patch.h>
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30 #include <pico/sound/mix.h>
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31 #include <zlib/zlib.h>
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34 #define OSD_FPS_X 220
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36 #define OSD_FPS_X 260
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40 extern int crashed_940;
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42 static short __attribute__((aligned(4))) sndBuffer[2*(44100+100)/50];
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43 static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];
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44 unsigned char *PicoDraw2FB = PicoDraw2FB_;
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45 static int osd_fps_x, osd_y;
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46 const char *renderer_names_[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL };
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47 const char *renderer_names32x_[] = { "accurate", "faster ", "fastest ", NULL };
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48 const char **renderer_names = renderer_names_;
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49 const char **renderer_names32x = renderer_names32x_;
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50 enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT };
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52 extern void *gp2x_screens[4];
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55 static void scaling_update(void)
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57 PicoOpt &= ~(POPT_DIS_32C_BORDER|POPT_EN_SOFTSCALE);
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58 switch (currentConfig.scaling) {
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60 case EOPT_SCALE_HW_H:
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61 case EOPT_SCALE_HW_HV:
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62 PicoOpt |= POPT_DIS_32C_BORDER;
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64 case EOPT_SCALE_SW_H:
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65 PicoOpt |= POPT_EN_SOFTSCALE;
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71 void pemu_prep_defconfig(void)
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75 defaultConfig.CPUclock = default_cpu_clock;
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76 defaultConfig.renderer32x = RT_8BIT_FAST;
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79 if (soc == SOCID_MMSP2)
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80 defaultConfig.s_PicoOpt |= POPT_EXT_FM;
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81 else if (soc == SOCID_POLLUX)
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82 defaultConfig.EmuOpt |= EOPT_WIZ_TEAR_FIX|EOPT_SHOW_RTC;
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85 void pemu_validate_config(void)
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90 if (soc != SOCID_MMSP2)
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91 PicoOpt &= ~POPT_EXT_FM;
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92 if (soc != SOCID_POLLUX)
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93 currentConfig.EmuOpt &= ~EOPT_WIZ_TEAR_FIX;
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95 if (currentConfig.gamma < 10 || currentConfig.gamma > 300)
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96 currentConfig.gamma = 100;
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98 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 1024)
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99 currentConfig.CPUclock = default_cpu_clock;
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102 static int get_renderer(void)
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104 if (PicoAHW & PAHW_32X)
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105 return currentConfig.renderer32x;
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107 return currentConfig.renderer;
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110 static void change_renderer(int diff)
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113 if (PicoAHW & PAHW_32X)
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114 r = ¤tConfig.renderer32x;
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116 r = ¤tConfig.renderer;
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118 if (*r >= RT_COUNT)
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124 #define is_16bit_mode() \
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125 (get_renderer() == RT_16BIT || (PicoAHW & PAHW_32X))
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127 static void (*osd_text)(int x, int y, const char *text);
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129 static void osd_text8(int x, int y, const char *text)
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131 int len = strlen(text)*8;
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132 int *p, i, h, offs;
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134 len = (len+3) >> 2;
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135 for (h = 0; h < 8; h++) {
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136 offs = (x + g_screen_width * (y+h)) & ~3;
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137 p = (int *) ((char *)g_screen_ptr + offs);
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138 for (i = len; i; i--, p++)
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141 emu_text_out8(x, y, text);
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144 static void osd_text16(int x, int y, const char *text)
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146 int len = strlen(text)*8;
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147 int *p, i, h, offs;
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149 len = (len+1) >> 1;
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150 for (h = 0; h < 8; h++) {
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151 offs = (x + g_screen_width * (y+h)) & ~1;
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152 p = (int *) ((short *)g_screen_ptr + offs);
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153 for (i = len; i; i--, p++)
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154 *p = (*p >> 2) & 0x39e7;
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156 emu_text_out16(x, y, text);
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159 static void osd_text8_rot(int x, int y, const char *text)
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161 int len = strlen(text) * 8;
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162 char *p = (char *)g_screen_ptr + 240*(320-x) + y;
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165 memset(p, 0xe0, 8);
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169 emu_text_out8_rot(x, y, text);
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172 static void osd_text16_rot(int x, int y, const char *text)
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174 int len = strlen(text) * 8;
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175 short *p = (short *)g_screen_ptr + 240*(320-x) + y;
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182 emu_text_out16_rot(x, y, text);
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185 static void draw_cd_leds(void)
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187 int led_reg, pitch, scr_offs, led_offs;
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188 led_reg = Pico_mcd->s68k_regs[0];
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190 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {
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192 led_offs = -pitch * 6;
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193 scr_offs = pitch * (320 - 4);
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197 scr_offs = pitch * 2 + 4;
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200 if (!is_16bit_mode()) {
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201 #define p(x) px[(x) >> 2]
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203 unsigned int *px = (unsigned int *)((char *)g_screen_ptr + scr_offs);
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204 unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;
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205 unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;
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206 p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;
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207 p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;
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210 #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]
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212 unsigned int *px = (unsigned int *)((short *)g_screen_ptr + scr_offs);
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213 unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;
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214 unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;
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215 p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;
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216 p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;
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221 static void draw_pico_ptr(void)
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223 unsigned short *p = (unsigned short *)g_screen_ptr;
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224 int x, y, pitch = 320;
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226 // only if pen enabled and for 16bit modes
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227 if (pico_inp_mode == 0 || currentConfig.EmuOpt != RT_16BIT)
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230 x = pico_pen_x + PICO_PEN_ADJUST_X;
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231 y = pico_pen_y + PICO_PEN_ADJUST_Y;
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232 if (!(Pico.video.reg[12]&1) && !(PicoOpt & POPT_DIS_32C_BORDER))
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235 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {
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237 p += (319 - x) * pitch + y;
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239 p += x + y * pitch;
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242 p[pitch-1] ^= 0xffff;
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243 p[pitch] ^= 0xffff;
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244 p[pitch+1] ^= 0xffff;
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245 p[pitch*2] ^= 0xffff;
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248 /* rot thing for Wiz */
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249 static unsigned char __attribute__((aligned(4))) rot_buff[320*4*2];
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251 static int EmuScanBegin16_rot(unsigned int num)
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253 DrawLineDest = rot_buff + (num & 3) * 320 * 2;
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257 static int EmuScanEnd16_rot(unsigned int num)
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259 if ((num & 3) != 3)
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261 rotated_blit16(g_screen_ptr, rot_buff, num + 1,
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262 !(Pico.video.reg[12] & 1) && !(PicoOpt & POPT_EN_SOFTSCALE));
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266 static int EmuScanBegin8_rot(unsigned int num)
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268 DrawLineDest = rot_buff + (num & 3) * 320;
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272 static int EmuScanEnd8_rot(unsigned int num)
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274 if ((num & 3) != 3)
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276 rotated_blit8(g_screen_ptr, rot_buff, num + 1,
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277 !(Pico.video.reg[12] & 1));
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281 static int localPal[0x100];
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282 static void (*vidcpyM2)(void *dest, void *src, int m32col, int with_32c_border);
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283 static int (*make_local_pal)(int fast_mode);
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285 static int make_local_pal_md(int fast_mode)
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289 bgr444_to_rgb32(localPal, Pico.cram);
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293 if (Pico.video.reg[0xC] & 8) { // shadow/hilight mode
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294 bgr444_to_rgb32_sh(localPal, Pico.cram);
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295 localPal[0xc0] = 0x0000c000;
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296 localPal[0xd0] = 0x00c00000;
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297 localPal[0xe0] = 0x00000000; // reserved pixels for OSD
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298 localPal[0xf0] = 0x00ffffff;
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301 else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes
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302 bgr444_to_rgb32(localPal+0x40, HighPal);
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303 bgr444_to_rgb32(localPal+0x80, HighPal+0x40);
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306 memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess
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311 static int make_local_pal_sms(int fast_mode)
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313 unsigned short *spal = Pico.cram;
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314 unsigned int *dpal = (void *)localPal;
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317 for (i = 0x40; i > 0; i--) {
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319 t = ((t & 0x0003) << 22) | ((t & 0x000c) << 12) | ((t & 0x0030) << 2);
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328 void pemu_finalize_frame(const char *fps, const char *notice)
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330 int emu_opt = currentConfig.EmuOpt;
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333 if (PicoAHW & PAHW_32X)
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335 else if (get_renderer() == RT_8BIT_FAST)
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337 // 8bit fast renderer
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338 if (Pico.m.dirtyPal) {
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339 Pico.m.dirtyPal = 0;
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340 ret = make_local_pal(1);
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341 // feed new palette to our device
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342 gp2x_video_setpalette(localPal, ret);
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345 if (PicoAHW & PAHW_SVP)
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346 memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);
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348 vidcpyM2(g_screen_ptr, PicoDraw2FB+328*8,
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349 !(Pico.video.reg[12] & 1), !(PicoOpt & POPT_DIS_32C_BORDER));
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351 else if (get_renderer() == RT_8BIT_ACC)
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353 // 8bit accurate renderer
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354 if (Pico.m.dirtyPal)
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356 Pico.m.dirtyPal = 0;
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357 ret = make_local_pal(0);
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358 gp2x_video_setpalette(localPal, ret);
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362 if (notice || (emu_opt & EOPT_SHOW_FPS)) {
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364 osd_text(4, osd_y, notice);
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366 osd_text(osd_fps_x, osd_y, fps);
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368 if ((PicoAHW & PAHW_MCD) && (emu_opt & EOPT_EN_CD_LEDS))
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370 if (PicoAHW & PAHW_PICO)
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374 void plat_video_flip(void)
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376 int stride = g_screen_width;
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379 if (is_16bit_mode())
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381 PicoDrawSetOutBuf(g_screen_ptr, stride);
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386 unsigned int plat_get_ticks_ms(void)
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388 return gp2x_get_ticks_ms();
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391 unsigned int plat_get_ticks_us(void)
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393 return gp2x_get_ticks_us();
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397 void plat_wait_till_us(unsigned int us_to)
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401 spend_cycles(1024);
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402 now = plat_get_ticks_us();
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404 while ((signed int)(us_to - now) > 512)
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406 spend_cycles(1024);
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407 now = plat_get_ticks_us();
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411 void plat_video_wait_vsync(void)
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413 gp2x_video_wait_vsync();
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416 void plat_status_msg_clear(void)
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418 int is_8bit = !is_16bit_mode();
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419 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {
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423 for (i = 0; i < 4; i++) {
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424 p = (int *)gp2x_screens[i] + (240-8) / 4;
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425 for (u = 320; u > 0; u--, p += 240/4)
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426 p[0] = p[1] = 0xe0e0e0e0;
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429 for (i = 0; i < 4; i++) {
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430 p = (int *)gp2x_screens[i] + (240-8)*2 / 4;
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431 for (u = 320; u > 0; u--, p += 240*2/4)
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432 p[0] = p[1] = p[2] = p[3] = 0;
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439 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);
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441 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);
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444 void plat_status_msg_busy_next(const char *msg)
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446 plat_status_msg_clear();
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447 pemu_finalize_frame("", msg);
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449 emu_status_msg("");
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451 /* assumption: msg_busy_next gets called only when
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452 * something slow is about to happen */
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456 void plat_status_msg_busy_first(const char *msg)
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458 gp2x_memcpy_all_buffers(g_screen_ptr, 0, 320*240*2);
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459 plat_status_msg_busy_next(msg);
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462 static void vidResetMode(void)
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464 int gp2x_mode = 16;
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465 int renderer = get_renderer();
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467 PicoScanBegin = NULL;
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468 PicoScanEnd = NULL;
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470 switch (renderer) {
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472 PicoOpt &= ~POPT_ALT_RENDERER;
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473 PicoDrawSetOutFormat(PDF_RGB555, 0);
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474 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
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475 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {
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476 PicoScanBegin = EmuScanBegin16_rot;
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477 PicoScanEnd = EmuScanEnd16_rot;
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481 PicoOpt &= ~POPT_ALT_RENDERER;
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482 PicoDrawSetOutFormat(PDF_8BIT, 0);
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483 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width);
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484 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {
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485 PicoScanBegin = EmuScanBegin8_rot;
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486 PicoScanEnd = EmuScanEnd8_rot;
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491 PicoOpt |= POPT_ALT_RENDERER;
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492 PicoDrawSetOutFormat(PDF_NONE, 0);
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493 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX)
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494 vidcpyM2 = vidcpy_m2_rot;
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496 vidcpyM2 = vidcpy_m2;
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501 if (is_16bit_mode())
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502 osd_text = (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) ? osd_text16_rot : osd_text16;
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504 osd_text = (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) ? osd_text8_rot : osd_text8;
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506 if (PicoAHW & PAHW_32X) {
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507 // rules change in 32X world
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508 if (renderer != RT_16BIT) {
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509 PicoDrawSetOutFormat(PDF_NONE, 0);
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510 PicoScanBegin = NULL;
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511 PicoScanEnd = NULL;
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513 PicoScan32xBegin = NULL;
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514 PicoScan32xEnd = NULL;
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515 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {
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516 PicoScan32xBegin = EmuScanBegin16_rot;
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517 PicoScan32xEnd = EmuScanEnd16_rot;
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519 // Wiz 16bit is an exception, uses line rendering due to rotation mess
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520 if (renderer == RT_16BIT && (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX)) {
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521 PicoDrawSetOutFormat(PDF_RGB555, 1);
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522 PicoDraw32xSetFrameMode(0, 0);
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525 PicoDraw32xSetFrameMode(1, (renderer == RT_16BIT) ? 1 : 0);
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527 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
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531 if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX)
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532 gp2x_mode = -gp2x_mode;
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533 gp2x_video_changemode(gp2x_mode);
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535 if (!is_16bit_mode()) {
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536 // setup pal for 8-bit modes
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537 localPal[0xc0] = 0x0000c000; // MCD LEDs
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538 localPal[0xd0] = 0x00c00000;
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539 localPal[0xe0] = 0x00000000; // reserved pixels for OSD
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540 localPal[0xf0] = 0x00ffffff;
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541 gp2x_video_setpalette(localPal, 0x100);
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542 gp2x_memset_all_buffers(0, 0xe0, 320*240);
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545 Pico.m.dirtyPal = 1;
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548 if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))
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549 gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);
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550 else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);
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552 // palette converters for 8bit modes
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553 make_local_pal = (PicoAHW & PAHW_SMS) ? make_local_pal_sms : make_local_pal_md;
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556 void plat_video_toggle_renderer(int change, int is_menu_call)
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558 change_renderer(change);
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564 rendstatus_old = -1;
\r
566 if (PicoAHW & PAHW_32X)
\r
567 emu_status_msg(renderer_names32x[get_renderer()]);
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569 emu_status_msg(renderer_names[get_renderer()]);
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573 static void RunEventsPico(unsigned int events)
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575 int ret, px, py, lim_x;
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576 static int pdown_frames = 0;
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579 ret = gp2x_touchpad_read(&px, &py);
\r
584 if (pdown_frames++ > 5)
\r
585 PicoPad[0] |= 0x20;
\r
589 if (!(Pico.video.reg[12]&1)) {
\r
591 if (pico_pen_x < 0) pico_pen_x = 0;
\r
592 if (pico_pen_x > 248) pico_pen_x = 248;
\r
594 if (pico_pen_y > 224) pico_pen_y = 224;
\r
600 // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
\r
605 void plat_update_volume(int has_changed, int is_up)
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607 static int prev_frame = 0, wait_frames = 0;
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608 int vol = currentConfig.volume;
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609 int need_low_volume = 0;
\r
612 soc = soc_detect();
\r
613 if ((PicoOpt & POPT_EN_STEREO) && soc == SOCID_MMSP2)
\r
614 need_low_volume = 1;
\r
618 if (need_low_volume && vol < 5 && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)
\r
622 if (vol < 99) vol++;
\r
624 if (vol > 0) vol--;
\r
627 sndout_oss_setvol(vol, vol);
\r
628 currentConfig.volume = vol;
\r
630 emu_status_msg("VOL: %02i", vol);
\r
631 prev_frame = Pico.m.frame_count;
\r
634 if (!need_low_volume)
\r
637 /* set the right mixer func */
\r
639 PsndMix_32_to_16l = mix_32_to_16l_stereo;
\r
641 mix_32_to_16l_level = 5 - vol;
\r
642 PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;
\r
646 static void updateSound(int len)
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649 if (PicoOpt & POPT_EN_STEREO)
\r
652 if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))
\r
655 /* avoid writing audio when lagging behind to prevent audio lag */
\r
656 if (PicoSkipFrame != 2)
\r
657 sndout_oss_write(PsndOut, len);
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660 void pemu_sound_start(void)
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662 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
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666 // prepare sound stuff
\r
667 if (currentConfig.EmuOpt & EOPT_EN_SOUND)
\r
669 int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;
\r
670 int target_fps = Pico.m.pal ? 50 : 60;
\r
671 int frame_samples, snd_excess_add;
\r
672 int snd_rate_oss = PsndRate;
\r
675 soc = soc_detect();
\r
676 if (soc == SOCID_POLLUX) {
\r
677 /* POLLUX pain: DPLL1 / mclk_div / bitclk_div / 4 */
\r
678 switch (PsndRate) {
\r
679 case 44100: PsndRate = 44171; break; // 44170.673077
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680 case 22050: PsndRate = 22086; break; // 22085.336538
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681 case 11025: PsndRate = 11043; break; // 11042.668269
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686 #define SOUND_RERATE_FLAGS (POPT_EN_FM|POPT_EN_PSG|POPT_EN_STEREO|POPT_EXT_FM|POPT_EN_MCD_CDDA)
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687 if (PsndRate != PsndRate_old || Pico.m.pal != pal_old || ((PicoOpt & POPT_EXT_FM) && crashed_940) ||
\r
688 ((PicoOpt ^ PicoOpt_old) & SOUND_RERATE_FLAGS)) {
\r
689 PsndRerate(Pico.m.frame_count ? 1 : 0);
\r
692 memset(sndBuffer, 0, sizeof(sndBuffer));
\r
693 PsndOut = sndBuffer;
\r
694 PicoWriteSound = updateSound;
\r
695 PsndRate_old = PsndRate;
\r
696 PicoOpt_old = PicoOpt;
\r
697 pal_old = Pico.m.pal;
\r
698 plat_update_volume(0, 0);
\r
700 frame_samples = PsndLen;
\r
701 snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps;
\r
702 if (snd_excess_add != 0)
\r
704 if (soc == SOCID_POLLUX)
\r
705 frame_samples *= 2; /* force larger buffer */
\r
707 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",
\r
708 PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal);
\r
709 sndout_oss_setvol(currentConfig.volume, currentConfig.volume);
\r
710 sndout_oss_start(snd_rate_oss, frame_samples, is_stereo);
\r
712 /* Wiz's sound hardware needs more prebuffer */
\r
713 if (soc == SOCID_POLLUX)
\r
714 updateSound(frame_samples);
\r
718 void pemu_sound_stop(void)
\r
720 /* get back from Wiz pain */
\r
721 switch (PsndRate) {
\r
722 case 44171: PsndRate = 44100; break;
\r
723 case 22086: PsndRate = 22050; break;
\r
724 case 11043: PsndRate = 11025; break;
\r
729 void pemu_sound_wait(void)
\r
731 // don't need to do anything, writes will block by themselves
\r
735 void pemu_forced_frame(int opts)
\r
737 int po_old = PicoOpt;
\r
739 PicoOpt &= ~POPT_ALT_RENDERER;
\r
740 PicoOpt |= opts|POPT_ACC_SPRITES;
\r
742 PicoDrawSetOutFormat(PDF_RGB555, 1);
\r
743 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
\r
744 PicoDraw32xSetFrameMode(0, 0);
\r
745 PicoScanBegin = NULL;
\r
746 PicoScanEnd = NULL;
\r
747 Pico.m.dirtyPal = 1;
\r
748 PicoFrameDrawOnly();
\r
753 void plat_debug_cat(char *str)
\r
757 void emu_video_mode_change(int start_line, int line_count, int is_32cols)
\r
760 osd_fps_x = OSD_FPS_X;
\r
762 if (is_32cols && (PicoOpt & POPT_DIS_32C_BORDER)) {
\r
764 osd_fps_x = OSD_FPS_X - 64;
\r
767 /* want vertical scaling and game is not in 240 line mode */
\r
768 if (currentConfig.scaling == EOPT_SCALE_HW_HV) {
\r
769 gp2x_video_RGB_setscaling(start_line, scalex, line_count);
\r
770 osd_y = start_line + line_count - 8;
\r
772 gp2x_video_RGB_setscaling(0, scalex, 240);
\r
774 // clear whole screen in all buffers
\r
775 if (!is_16bit_mode())
\r
776 gp2x_memset_all_buffers(0, 0xe0, 320*240);
\r
778 gp2x_memset_all_buffers(0, 0, 320*240*2);
\r
782 static void tga_dump(void)
\r
784 #define BYTE unsigned char
\r
785 #define WORD unsigned short
\r
788 BYTE IDLength; /* 00h Size of Image ID field */
\r
789 BYTE ColorMapType; /* 01h Color map type */
\r
790 BYTE ImageType; /* 02h Image type code */
\r
791 WORD CMapStart; /* 03h Color map origin */
\r
792 WORD CMapLength; /* 05h Color map length */
\r
793 BYTE CMapDepth; /* 07h Depth of color map entries */
\r
794 WORD XOffset; /* 08h X origin of image */
\r
795 WORD YOffset; /* 0Ah Y origin of image */
\r
796 WORD Width; /* 0Ch Width of image */
\r
797 WORD Height; /* 0Eh Height of image */
\r
798 BYTE PixelDepth; /* 10h Image pixel size */
\r
799 BYTE ImageDescriptor; /* 11h Image descriptor byte */
\r
800 } __attribute__((packed)) TGAHEAD;
\r
801 static unsigned short oldscr[320*240];
\r
802 FILE *f; char name[128]; int i;
\r
804 memset(&TGAHEAD, 0, sizeof(TGAHEAD));
\r
805 TGAHEAD.ImageType = 2;
\r
806 TGAHEAD.Width = 320;
\r
807 TGAHEAD.Height = 240;
\r
808 TGAHEAD.PixelDepth = 16;
\r
809 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left
\r
811 #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?
\r
813 for (i = 0; i < 320*240; i++)
\r
814 if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break;
\r
817 for (i = 0; i < 320*240; i++)
\r
818 oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]);
\r
819 sprintf(name, "%05i.tga", Pico.m.frame_count);
\r
820 f = fopen(name, "wb");
\r
821 if (!f) { printf("!f\n"); exit(1); }
\r
822 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);
\r
823 fwrite(oldscr, 1, 320*240*2, f);
\r
829 void pemu_loop_prep(void)
\r
831 static int gp2x_old_clock = -1, EmuOpt_old = 0, pal_old = 0;
\r
832 static int gp2x_old_gamma = 100;
\r
835 soc = soc_detect();
\r
837 if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_RAM_TIMINGS) {
\r
838 if (currentConfig.EmuOpt & EOPT_RAM_TIMINGS)
\r
841 unset_ram_timings();
\r
844 if (gp2x_old_clock < 0)
\r
845 gp2x_old_clock = default_cpu_clock;
\r
846 if (gp2x_old_clock != currentConfig.CPUclock) {
\r
847 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);
\r
848 gp2x_set_cpuclk(currentConfig.CPUclock);
\r
849 gp2x_old_clock = currentConfig.CPUclock;
\r
853 if (gp2x_old_gamma != currentConfig.gamma || ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_A_SN_GAMMA)) {
\r
854 set_lcd_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt & EOPT_A_SN_GAMMA));
\r
855 gp2x_old_gamma = currentConfig.gamma;
\r
856 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));
\r
859 if (((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_VSYNC) || Pico.m.pal != pal_old) {
\r
860 if ((currentConfig.EmuOpt & EOPT_VSYNC) || soc == SOCID_POLLUX)
\r
861 set_lcd_custom_rate(Pico.m.pal);
\r
862 else if (EmuOpt_old & EOPT_VSYNC)
\r
863 unset_lcd_custom_rate();
\r
866 if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_MMUHACK)
\r
867 gp2x_make_fb_bufferable(currentConfig.EmuOpt & EOPT_MMUHACK);
\r
869 EmuOpt_old = currentConfig.EmuOpt;
\r
870 pal_old = Pico.m.pal;
\r
872 // make sure we are in correct mode
\r
876 pemu_sound_start();
\r
879 void pemu_loop_end(void)
\r
881 int po_old = PicoOpt;
\r
882 int eo_old = currentConfig.EmuOpt;
\r
885 memset32(g_screen_ptr, 0, 320*240*2/4);
\r
887 /* do one more frame for menu bg */
\r
888 PicoOpt &= ~POPT_ALT_RENDERER;
\r
889 PicoOpt |= POPT_EN_SOFTSCALE|POPT_ACC_SPRITES;
\r
891 PicoDrawSetOutFormat(PDF_RGB555, 1);
\r
892 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
\r
893 PicoDraw32xSetFrameMode(0, 0);
\r
894 PicoScanBegin = NULL;
\r
895 PicoScanEnd = NULL;
\r
896 Pico.m.dirtyPal = 1;
\r
900 currentConfig.EmuOpt = eo_old;
\r
903 const char *plat_get_credits(void)
\r
905 return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"
\r
907 "fDave: Cyclone 68000 core,\n"
\r
908 " base code of PicoDrive\n"
\r
909 "Reesy & FluBBa: DrZ80 core\n"
\r
910 "MAME devs: YM2612 and SN76496 cores\n"
\r
911 "rlyeh and others: minimal SDK\n"
\r
912 "Squidge: mmuhack\n"
\r
913 "Dzz: ARM940 sample\n"
\r
914 "GnoStiC / Puck2099: USB joy code\n"
\r
915 "craigix: GP2X hardware\n"
\r
916 "ketchupgun: skin design\n"
\r
918 "special thanks (for docs, ideas):\n"
\r
919 " Charles MacDonald, Haze,\n"
\r
920 " Stephane Dallongeville,\n"
\r
921 " Lordus, Exophase, Rokas,\n"
\r
922 " Nemesis, Tasco Deluxe";
\r