--- /dev/null
+// (c) Copyright 2006-2007 notaz, All rights reserved.\r
+// Free for non-commercial use.\r
+\r
+// For commercial use, separate licencing terms must be obtained.\r
+\r
+#include <stdio.h>\r
+#include <stdlib.h>\r
+#include <sys/time.h>\r
+#include <sys/stat.h>\r
+#include <sys/types.h>\r
+#include <linux/limits.h>\r
+#include <ctype.h>\r
+#include <unistd.h>\r
+\r
+#include <stdarg.h>\r
+\r
+#include "../gp2x/emu.h"\r
+#include "../gp2x/usbjoy.h"\r
+#include "../gp2x/menu.h"\r
+#include "../common/arm_utils.h"\r
+#include "../common/fonts.h"\r
+#include "../common/emu.h"\r
+#include "../common/config.h"\r
+#include "../common/common.h"\r
+\r
+#include <Pico/PicoInt.h>\r
+#include <Pico/Patch.h>\r
+#include <Pico/sound/mix.h>\r
+#include <zlib/zlib.h>\r
+\r
+//#define PFRAMES\r
+\r
+#ifdef BENCHMARK\r
+#define OSD_FPS_X (800-200)\r
+#else\r
+#define OSD_FPS_X (800-120)\r
+#endif\r
+\r
+\r
+int engineState;\r
+int select_exits = 0;\r
+\r
+char romFileName[PATH_MAX];\r
+\r
+static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
+static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
+static int osd_fps_x;\r
+char noticeMsg[64]; // notice msg to draw\r
+unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r
+int reset_timing = 0;\r
+\r
+#define PICO_PEN_ADJUST_X 4\r
+#define PICO_PEN_ADJUST_Y 2\r
+static int pico_pen_x = SCREEN_WIDTH/2, pico_pen_y = 240/2;\r
+\r
+static void emu_msg_cb(const char *msg);\r
+static void emu_msg_tray_open(void);\r
+\r
+\r
+void emu_noticeMsgUpdated(void)\r
+{\r
+ gettimeofday(¬iceMsgTime, 0);\r
+}\r
+\r
+void emu_getMainDir(char *dst, int len)\r
+{\r
+ extern char **g_argv;\r
+ int j;\r
+\r
+ strncpy(dst, g_argv[0], len);\r
+ len -= 32; // reserve\r
+ if (len < 0) len = 0;\r
+ dst[len] = 0;\r
+ for (j = strlen(dst); j > 0; j--)\r
+ if (dst[j] == '/') { dst[j+1] = 0; break; }\r
+}\r
+\r
+void emu_Init(void)\r
+{\r
+ // make temp buffer for alt renderer\r
+ PicoDraw2FB = malloc((8+320)*(8+240+8));\r
+ if (!PicoDraw2FB)\r
+ {\r
+ printf("PicoDraw2FB == 0\n");\r
+ }\r
+\r
+ // make dirs for saves, cfgs, etc.\r
+ mkdir("mds", 0777);\r
+ mkdir("srm", 0777);\r
+ mkdir("brm", 0777);\r
+ mkdir("cfg", 0777);\r
+\r
+ PicoInit();\r
+ PicoMessage = emu_msg_cb;\r
+ PicoMCDopenTray = emu_msg_tray_open;\r
+ PicoMCDcloseTray = menu_loop_tray;\r
+}\r
+\r
+\r
+static void scaling_update(void)\r
+{\r
+ PicoOpt &= ~0x4100;\r
+ switch (currentConfig.scaling) {\r
+ default: break; // off\r
+ case 1: // hw hor\r
+ case 2: PicoOpt |= 0x0100; break; // hw hor+vert\r
+ case 3: PicoOpt |= 0x4000; break; // sw hor\r
+ }\r
+}\r
+\r
+\r
+void emu_Deinit(void)\r
+{\r
+ // save SRAM\r
+ if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
+ emu_SaveLoadGame(0, 1);\r
+ SRam.changed = 0;\r
+ }\r
+\r
+ if (!(currentConfig.EmuOpt & 0x20)) {\r
+ config_writelrom(PicoConfigFile);\r
+#ifndef NO_SYNC\r
+ sync();\r
+#endif\r
+ }\r
+\r
+ free(PicoDraw2FB);\r
+\r
+ PicoExit();\r
+}\r
+\r
+void emu_prepareDefaultConfig(void)\r
+{\r
+ memset(&defaultConfig, 0, sizeof(defaultConfig));\r
+ defaultConfig.EmuOpt = 0x9f | 0x00700; // | <- ram_tmng, confirm_save, cd_leds\r
+ defaultConfig.s_PicoOpt = 0x0f | POPT_EXT_FM|POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES|POPT_EN_MCD_GFX;\r
+ defaultConfig.s_PsndRate = 44100;\r
+ defaultConfig.s_PicoRegion = 0; // auto\r
+ defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
+ defaultConfig.s_PicoCDBuffers = 0;\r
+ defaultConfig.Frameskip = 0; // auto\r
+ defaultConfig.CPUclock = 200;\r
+ defaultConfig.volume = 50;\r
+ defaultConfig.scaling = 0;\r
+ defaultConfig.turbo_rate = 15;\r
+}\r
+\r
+void emu_setDefaultConfig(void)\r
+{\r
+ memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));\r
+ PicoOpt = currentConfig.s_PicoOpt;\r
+ PsndRate = currentConfig.s_PsndRate;\r
+ PicoRegionOverride = currentConfig.s_PicoRegion;\r
+ PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
+ PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
+}\r
+\r
+static void textOut16(int x, int y, const char *text)\r
+{\r
+ int i,l,len=strlen(text);\r
+ unsigned int *screen = (unsigned int *)((unsigned short *)SCREEN_BUFFER + (x&~1) + y*SCREEN_WIDTH);\r
+\r
+ for (i = 0; i < len; i++)\r
+ {\r
+ for (l=0;l<16;l+=2)\r
+ {\r
+ unsigned char fd = fontdata8x8[((text[i])*8)+l/2];\r
+ int u = l+1;\r
+ if(fd&0x80) screen[l*SCREEN_WIDTH/2+0]=screen[u*SCREEN_WIDTH/2+0]=0xffffffff;\r
+ if(fd&0x40) screen[l*SCREEN_WIDTH/2+1]=screen[u*SCREEN_WIDTH/2+1]=0xffffffff;\r
+ if(fd&0x20) screen[l*SCREEN_WIDTH/2+2]=screen[u*SCREEN_WIDTH/2+2]=0xffffffff;\r
+ if(fd&0x10) screen[l*SCREEN_WIDTH/2+3]=screen[u*SCREEN_WIDTH/2+3]=0xffffffff;\r
+ if(fd&0x08) screen[l*SCREEN_WIDTH/2+4]=screen[u*SCREEN_WIDTH/2+4]=0xffffffff;\r
+ if(fd&0x04) screen[l*SCREEN_WIDTH/2+5]=screen[u*SCREEN_WIDTH/2+5]=0xffffffff;\r
+ if(fd&0x02) screen[l*SCREEN_WIDTH/2+6]=screen[u*SCREEN_WIDTH/2+6]=0xffffffff;\r
+ if(fd&0x01) screen[l*SCREEN_WIDTH/2+7]=screen[u*SCREEN_WIDTH/2+7]=0xffffffff;\r
+ }\r
+ screen += 8;\r
+ }\r
+}\r
+\r
+\r
+void osd_text(int x, int y, const char *text)\r
+{\r
+ int len = strlen(text)*8;\r
+\r
+ if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
+ int *p, i, h;\r
+ x &= ~3; // align x\r
+ len = (len+3) >> 2;\r
+ for (h = 0; h < 8; h++) {\r
+ p = (int *) ((unsigned char *) gp2x_screen+x+SCREEN_WIDTH*(y+h));\r
+ for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
+ }\r
+ emu_textOut8(x, y, text);\r
+ } else {\r
+ int *p, i, h;\r
+ x &= ~1; // align x\r
+ len++;\r
+ for (h = 0; h < 16; h++) {\r
+ p = (int *) ((unsigned short *) gp2x_screen+x+SCREEN_WIDTH*(y+h));\r
+ for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r
+ }\r
+ textOut16(x, y, text);\r
+ }\r
+}\r
+\r
+static void draw_cd_leds(void)\r
+{\r
+// static\r
+ int old_reg;\r
+// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r
+ old_reg = Pico_mcd->s68k_regs[0];\r
+\r
+ if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
+ // 8-bit modes\r
+ unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
+ unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
+ *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*2+ 4) =\r
+ *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*3+ 4) =\r
+ *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*4+ 4) = col_g;\r
+ *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*2+12) =\r
+ *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*3+12) =\r
+ *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*4+12) = col_r;\r
+ } else {\r
+ // 16-bit modes\r
+ unsigned int *p = (unsigned int *)((short *)gp2x_screen + SCREEN_WIDTH*2+4);\r
+ unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
+ unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
+ *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += SCREEN_WIDTH/2 - 12/2;\r
+ *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += SCREEN_WIDTH/2 - 12/2;\r
+ *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
+ }\r
+}\r
+\r
+static void draw_pico_ptr(void)\r
+{\r
+ unsigned short *p = (unsigned short *)gp2x_screen;\r
+\r
+ // only if pen enabled and for 16bit modes\r
+ if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return;\r
+\r
+ if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER))\r
+ p += 32;\r
+\r
+ p += SCREEN_WIDTH * (pico_pen_y + PICO_PEN_ADJUST_Y);\r
+ p += pico_pen_x + PICO_PEN_ADJUST_X;\r
+ p[0] ^= 0xffff;\r
+ p[319] ^= 0xffff;\r
+ p[320] ^= 0xffff;\r
+ p[321] ^= 0xffff;\r
+ p[640] ^= 0xffff;\r
+}\r
+\r
+static int EmuScanEnd16(unsigned int num)\r
+{\r
+ unsigned char *ps=HighCol+8;\r
+ unsigned short *pd;\r
+ unsigned short *pal=HighPal;\r
+ int sh = Pico.video.reg[0xC]&8;\r
+ int len, mask = 0xff;\r
+\r
+ if (!(Pico.video.reg[1]&8)) num += 8;\r
+ pd=(unsigned short *)gp2x_screen + num*800*2 + 800/2 - 320*2/2;\r
+\r
+ if (Pico.m.dirtyPal)\r
+ PicoDoHighPal555(sh);\r
+\r
+ if (Pico.video.reg[12]&1) {\r
+ len = 320;\r
+ } else {\r
+ pd+=32;\r
+ len = 256;\r
+ }\r
+\r
+ if (!sh && (rendstatus & PDRAW_ACC_SPRITES))\r
+ mask=0x3f; // accurate sprites, upper bits are priority stuff\r
+\r
+\r
+ for (; len > 0; len--)\r
+ {\r
+ unsigned int p = pal[*ps++ & mask];\r
+ p |= p << 16;\r
+ *(unsigned int *)pd = p;\r
+ *(unsigned int *)(&pd[800]) = p;\r
+ pd += 2;\r
+ }\r
+\r
+ return 0;\r
+}\r
+\r
+static int EmuScanBegin8(unsigned int num)\r
+{\r
+ if (!(Pico.video.reg[1]&8)) num += 8;\r
+ DrawLineDest = (unsigned char *) gp2x_screen + SCREEN_WIDTH * num;\r
+\r
+ return 0;\r
+}\r
+\r
+int localPal[0x100];\r
+static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
+\r
+static void blit(const char *fps, const char *notice)\r
+{\r
+ int emu_opt = currentConfig.EmuOpt;\r
+\r
+ if (PicoOpt&0x10)\r
+ {\r
+ // 8bit fast renderer\r
+ if (Pico.m.dirtyPal) {\r
+ Pico.m.dirtyPal = 0;\r
+ vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
+ // feed new palette to our device\r
+ gp2x_video_setpalette(localPal, 0x40);\r
+ }\r
+ // a hack for VR\r
+ if (PicoRead16Hook == PicoSVPRead16)\r
+ memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r
+ // do actual copy\r
+ vidCpyM2((unsigned char *)gp2x_screen+SCREEN_WIDTH*8, PicoDraw2FB+328*8);\r
+ }\r
+ else if (!(emu_opt&0x80))\r
+ {\r
+ // 8bit accurate renderer\r
+ if (Pico.m.dirtyPal)\r
+ {\r
+ int pallen = 0x40;\r
+ Pico.m.dirtyPal = 0;\r
+ if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r
+ {\r
+ vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
+ vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
+ vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
+ memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r
+ pallen = 0x100;\r
+ }\r
+ else if (rendstatus & PDRAW_ACC_SPRITES) {\r
+ vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
+ memcpy32(localPal+0x40, localPal, 0x40);\r
+ memcpy32(localPal+0x80, localPal, 0x40);\r
+ memcpy32(localPal+0xc0, localPal, 0x40);\r
+ pallen = 0x100;\r
+ }\r
+ else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r
+ vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
+ vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
+ vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
+ pallen = 0xc0;\r
+ }\r
+ else {\r
+ vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
+ }\r
+ if (pallen > 0xc0) {\r
+ localPal[0xc0] = 0x0000c000;\r
+ localPal[0xd0] = 0x00c00000;\r
+ localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
+ localPal[0xf0] = 0x00ffffff;\r
+ }\r
+ gp2x_video_setpalette(localPal, pallen);\r
+ }\r
+ }\r
+\r
+ if (notice || (emu_opt & 2)) {\r
+ int h = SCREEN_HEIGHT-16;\r
+ if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 16;\r
+ if (notice) osd_text(4, h, notice);\r
+ if (emu_opt & 2)\r
+ osd_text(osd_fps_x+24*2, h-8, fps);\r
+ }\r
+ if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r
+ draw_cd_leds();\r
+ if (PicoAHW & PAHW_PICO)\r
+ draw_pico_ptr();\r
+{\r
+//static int u=0;\r
+//memset((char *)gp2x_screen+800*471*2, (u++)>>1, 800*9*2);\r
+}\r
+\r
+ //gp2x_video_wait_vsync();\r
+ gp2x_video_flip();\r
+}\r
+\r
+\r
+// clears whole screen or just the notice area (in all buffers)\r
+static void clearArea(int full)\r
+{\r
+ if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
+ // 8-bit renderers\r
+ if (full) gp2x_memset_all_buffers(0, 0xe0, SCREEN_WIDTH*240);\r
+ else gp2x_memset_all_buffers(SCREEN_WIDTH*232, 0xe0, SCREEN_WIDTH*8);\r
+ } else {\r
+ // 16bit accurate renderer\r
+ if (full) gp2x_memset_all_buffers(0, 0, SCREEN_WIDTH*SCREEN_HEIGHT*2);\r
+ else gp2x_memset_all_buffers(SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, 0, SCREEN_WIDTH*16*2);\r
+ }\r
+}\r
+\r
+\r
+static void vidResetMode(void)\r
+{\r
+ if (PicoOpt&0x10) {\r
+ gp2x_video_changemode(8);\r
+ } else if (currentConfig.EmuOpt&0x80) {\r
+ gp2x_video_changemode(16);\r
+ PicoDrawSetColorFormat(-1);\r
+ PicoScanEnd = EmuScanEnd16;\r
+ } else {\r
+ gp2x_video_changemode(8);\r
+ PicoDrawSetColorFormat(2);\r
+ PicoScanBegin = EmuScanBegin8;\r
+ }\r
+ if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
+ // setup pal for 8-bit modes\r
+ localPal[0xc0] = 0x0000c000; // MCD LEDs\r
+ localPal[0xd0] = 0x00c00000;\r
+ localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
+ localPal[0xf0] = 0x00ffffff;\r
+ gp2x_video_setpalette(localPal, 0x100);\r
+ gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
+ gp2x_video_flip();\r
+ }\r
+ Pico.m.dirtyPal = 1;\r
+ // reset scaling\r
+ if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r
+ gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
+ else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
+}\r
+\r
+\r
+static void emu_msg_cb(const char *msg)\r
+{\r
+ if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
+ // 8-bit renderers\r
+ gp2x_memset_all_buffers(SCREEN_WIDTH*(SCREEN_HEIGHT-16), 0xe0, SCREEN_WIDTH*16);\r
+ osd_text(4, SCREEN_HEIGHT-16, msg);\r
+ gp2x_memcpy_all_buffers((char *)gp2x_screen+SCREEN_WIDTH*(SCREEN_HEIGHT-16),\r
+ SCREEN_WIDTH*(SCREEN_HEIGHT-16), SCREEN_WIDTH*16);\r
+ } else {\r
+ // 16bit accurate renderer\r
+ gp2x_memset_all_buffers(SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, 0, SCREEN_WIDTH*16*2);\r
+ osd_text(4, SCREEN_HEIGHT-16, msg);\r
+ gp2x_memcpy_all_buffers((char *)gp2x_screen+SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2,\r
+ SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, SCREEN_WIDTH*16*2);\r
+ }\r
+ gettimeofday(¬iceMsgTime, 0);\r
+ noticeMsgTime.tv_sec -= 2;\r
+\r
+ /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
+ reset_timing = 1;\r
+}\r
+\r
+static void emu_state_cb(const char *str)\r
+{\r
+ clearArea(0);\r
+ blit("", str);\r
+}\r
+\r
+static void emu_msg_tray_open(void)\r
+{\r
+ strcpy(noticeMsg, "CD tray opened");\r
+ gettimeofday(¬iceMsgTime, 0);\r
+}\r
+\r
+static void RunEventsPico(unsigned int events, unsigned int gp2x_keys)\r
+{\r
+ int ret, px, py, lim_x;\r
+ static int pdown_frames = 0;\r
+\r
+ emu_RunEventsPico(events);\r
+\r
+ if (pico_inp_mode == 0) return;\r
+\r
+ // for F200\r
+ ret = gp2x_touchpad_read(&px, &py);\r
+ if (ret >= 0)\r
+ {\r
+ if (ret > 35000)\r
+ {\r
+ if (pdown_frames++ > 5)\r
+ PicoPad[0] |= 0x20;\r
+\r
+ pico_pen_x = px;\r
+ pico_pen_y = py;\r
+ if (!(Pico.video.reg[12]&1)) {\r
+ pico_pen_x -= 32;\r
+ if (pico_pen_x < 0) pico_pen_x = 0;\r
+ if (pico_pen_x > 248) pico_pen_x = 248;\r
+ }\r
+ if (pico_pen_y > 224) pico_pen_y = 224;\r
+ }\r
+ else\r
+ pdown_frames = 0;\r
+\r
+ //if (ret == 0)\r
+ // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
+ }\r
+\r
+ PicoPad[0] &= ~0x0f; // release UDLR\r
+ if (gp2x_keys & GP2X_UP) pico_pen_y--;\r
+ if (gp2x_keys & GP2X_DOWN) pico_pen_y++;\r
+ if (gp2x_keys & GP2X_LEFT) pico_pen_x--;\r
+ if (gp2x_keys & GP2X_RIGHT) pico_pen_x++;\r
+\r
+ lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
+ if (pico_pen_y < 8) pico_pen_y = 8;\r
+ if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y;\r
+ if (pico_pen_x < 0) pico_pen_x = 0;\r
+ if (pico_pen_x > lim_x-PICO_PEN_ADJUST_X) pico_pen_x = lim_x-PICO_PEN_ADJUST_X;\r
+\r
+ PicoPicohw.pen_pos[0] = pico_pen_x;\r
+ if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;\r
+ PicoPicohw.pen_pos[0] += 0x3c;\r
+ PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
+}\r
+\r
+static void update_volume(int has_changed, int is_up)\r
+{\r
+ static int prev_frame = 0, wait_frames = 0;\r
+ int vol = currentConfig.volume;\r
+\r
+ if (has_changed)\r
+ {\r
+ if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r
+ wait_frames++;\r
+ else {\r
+ if (is_up) {\r
+ if (vol < 99) vol++;\r
+ } else {\r
+ if (vol > 0) vol--;\r
+ }\r
+ wait_frames = 0;\r
+ gp2x_sound_volume(vol, vol);\r
+ currentConfig.volume = vol;\r
+ }\r
+ sprintf(noticeMsg, "VOL: %02i", vol);\r
+ gettimeofday(¬iceMsgTime, 0);\r
+ prev_frame = Pico.m.frame_count;\r
+ }\r
+\r
+ // set the right mixer func\r
+ if (!(PicoOpt&8)) return; // just use defaults for mono\r
+ if (vol >= 5)\r
+ PsndMix_32_to_16l = mix_32_to_16l_stereo;\r
+ else {\r
+ mix_32_to_16l_level = 5 - vol;\r
+ PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r
+ }\r
+}\r
+\r
+static void RunEvents(unsigned int which)\r
+{\r
+ if (which & 0x1800) // save or load (but not both)\r
+ {\r
+ int do_it = 1;\r
+ if ( emu_checkSaveFile(state_slot) &&\r
+ (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load\r
+ (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) { // save\r
+ unsigned long keys;\r
+ blit("", (which & 0x1000) ? "LOAD STATE? (Y=yes, X=no)" : "OVERWRITE SAVE? (Y=yes, X=no)");\r
+ while ( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r
+ usleep(50*1024);\r
+ if (keys & GP2X_X) do_it = 0;\r
+ while ( gp2x_joystick_read(1) & (GP2X_X|GP2X_Y) ) // wait for release\r
+ usleep(50*1024);\r
+ clearArea(0);\r
+ }\r
+ if (do_it) {\r
+ osd_text(4, SCREEN_HEIGHT-16, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
+ PicoStateProgressCB = emu_state_cb;\r
+ gp2x_memcpy_all_buffers(gp2x_screen, 0, SCREEN_WIDTH*SCREEN_HEIGHT*2);\r
+ emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
+ PicoStateProgressCB = NULL;\r
+ }\r
+\r
+ reset_timing = 1;\r
+ }\r
+ if (which & 0x0400) // switch renderer\r
+ {\r
+ if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
+ else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
+ else currentConfig.EmuOpt &= ~0x80;\r
+\r
+ vidResetMode();\r
+\r
+ if (PicoOpt&0x10) {\r
+ strcpy(noticeMsg, " 8bit fast renderer");\r
+ } else if (currentConfig.EmuOpt&0x80) {\r
+ strcpy(noticeMsg, "16bit accurate renderer");\r
+ } else {\r
+ strcpy(noticeMsg, " 8bit accurate renderer");\r
+ }\r
+\r
+ gettimeofday(¬iceMsgTime, 0);\r
+ }\r
+ if (which & 0x0300)\r
+ {\r
+ if(which&0x0200) {\r
+ state_slot -= 1;\r
+ if(state_slot < 0) state_slot = 9;\r
+ } else {\r
+ state_slot += 1;\r
+ if(state_slot > 9) state_slot = 0;\r
+ }\r
+ sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");\r
+ gettimeofday(¬iceMsgTime, 0);\r
+ }\r
+ if (which & 0x0080) {\r
+ engineState = PGS_Menu;\r
+ }\r
+}\r
+\r
+static void updateKeys(void)\r
+{\r
+ unsigned int keys, keys2, allActions[2] = { 0, 0 }, events;\r
+ static unsigned int prevEvents = 0;\r
+ int joy, i;\r
+\r
+ keys = gp2x_joystick_read(0);\r
+ if (keys & GP2X_SELECT) {\r
+ engineState = select_exits ? PGS_Quit : PGS_Menu;\r
+ // wait until select is released, so menu would not resume game\r
+ while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r
+ }\r
+\r
+ keys &= CONFIGURABLE_KEYS;\r
+ keys2 = keys;\r
+\r
+ for (i = 0; i < 32; i++)\r
+ {\r
+ if (keys2 & (1 << i))\r
+ {\r
+ int pl, acts = currentConfig.KeyBinds[i];\r
+ if (!acts) continue;\r
+ pl = (acts >> 16) & 1;\r
+ if (kb_combo_keys & (1 << i))\r
+ {\r
+ int u = i+1, acts_c = acts & kb_combo_acts;\r
+ // let's try to find the other one\r
+ if (acts_c) {\r
+ for (; u < 32; u++)\r
+ if ( (keys2 & (1 << u)) && (currentConfig.KeyBinds[u] & acts_c) ) {\r
+ allActions[pl] |= acts_c & currentConfig.KeyBinds[u];\r
+ keys2 &= ~((1 << i) | (1 << u));\r
+ break;\r
+ }\r
+ }\r
+ // add non-combo actions if combo ones were not found\r
+ if (!acts_c || u == 32)\r
+ allActions[pl] |= acts & ~kb_combo_acts;\r
+ } else {\r
+ allActions[pl] |= acts;\r
+ }\r
+ }\r
+ }\r
+\r
+ // add joy inputs\r
+ if (num_of_joys > 0)\r
+ {\r
+ gp2x_usbjoy_update();\r
+ for (joy = 0; joy < num_of_joys; joy++) {\r
+ int btns = gp2x_usbjoy_check2(joy);\r
+ for (i = 0; i < 32; i++) {\r
+ if (btns & (1 << i)) {\r
+ int acts = currentConfig.JoyBinds[joy][i];\r
+ int pl = (acts >> 16) & 1;\r
+ allActions[pl] |= acts;\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+ PicoPad[0] = allActions[0] & 0xfff;\r
+ PicoPad[1] = allActions[1] & 0xfff;\r
+\r
+ if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);\r
+ if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);\r
+\r
+ events = (allActions[0] | allActions[1]) >> 16;\r
+\r
+ // volume is treated in special way and triggered every frame\r
+ if (events & 0x6000)\r
+ update_volume(1, events & 0x2000);\r
+\r
+ if ((events ^ prevEvents) & 0x40) {\r
+ emu_changeFastForward(events & 0x40);\r
+ update_volume(0, 0);\r
+ reset_timing = 1;\r
+ }\r
+\r
+ events &= ~prevEvents;\r
+\r
+ if (PicoAHW == PAHW_PICO)\r
+ RunEventsPico(events, keys);\r
+ if (events) RunEvents(events);\r
+ if (movie_data) emu_updateMovie();\r
+\r
+ prevEvents = (allActions[0] | allActions[1]) >> 16;\r
+}\r
+\r
+\r
+static void updateSound(int len)\r
+{\r
+ if (PicoOpt&8) len<<=1;\r
+\r
+ /* avoid writing audio when lagging behind to prevent audio lag */\r
+ if (PicoSkipFrame != 2)\r
+ gp2x_sound_write(PsndOut, len<<1);\r
+}\r
+\r
+\r
+static void SkipFrame(int do_audio)\r
+{\r
+ PicoSkipFrame=do_audio ? 1 : 2;\r
+ PicoFrame();\r
+ PicoSkipFrame=0;\r
+}\r
+\r
+\r
+void emu_forcedFrame(int opts)\r
+{\r
+ int po_old = PicoOpt;\r
+ int eo_old = currentConfig.EmuOpt;\r
+\r
+ PicoOpt &= ~0x10;\r
+ PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r
+ currentConfig.EmuOpt |= 0x80;\r
+\r
+ //vidResetMode();\r
+ PicoDrawSetColorFormat(-1);\r
+ PicoScanEnd = EmuScanEnd16;\r
+ Pico.m.dirtyPal = 1;\r
+ PicoFrameDrawOnly();\r
+\r
+/*\r
+ if (!(Pico.video.reg[12]&1)) {\r
+ vidCpyM2 = vidCpyM2_32col;\r
+ clearArea(1);\r
+ } else vidCpyM2 = vidCpyM2_40col;\r
+\r
+ vidCpyM2((unsigned char *)gp2x_screen+SCREEN_WIDTH*8, PicoDraw2FB+328*8);\r
+ vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
+ gp2x_video_setpalette(localPal, 0x40);\r
+*/\r
+ PicoOpt = po_old;\r
+ currentConfig.EmuOpt = eo_old;\r
+}\r
+\r
+static void simpleWait(int thissec, int lim_time)\r
+{\r
+ struct timeval tval;\r
+\r
+ spend_cycles(1024);\r
+ gettimeofday(&tval, 0);\r
+ if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
+\r
+ while (tval.tv_usec < lim_time)\r
+ {\r
+ spend_cycles(1024);\r
+ gettimeofday(&tval, 0);\r
+ if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
+ }\r
+}\r
+\r
+\r
+void emu_Loop(void)\r
+{\r
+ static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r
+ char fpsbuff[24]; // fps count c string\r
+ struct timeval tval; // timing\r
+ int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r
+ int frames_done, frames_shown, thissec; // actual frames\r
+ int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r
+ char *notice = 0;\r
+\r
+ printf("entered emu_Loop()\n");\r
+\r
+ fpsbuff[0] = 0;\r
+\r
+ // make sure we are in correct mode\r
+ vidResetMode();\r
+ scaling_update();\r
+ Pico.m.dirtyPal = 1;\r
+ oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
+ emu_findKeyBindCombos();\r
+\r
+ // pal/ntsc might have changed, reset related stuff\r
+ target_fps = Pico.m.pal ? 50 : 60;\r
+ target_frametime = 1000000/target_fps;\r
+ reset_timing = 1;\r
+\r
+ // prepare sound stuff\r
+ if (currentConfig.EmuOpt & 4)\r
+ {\r
+ int snd_excess_add;\r
+ if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old)\r
+ PsndRerate(Pico.m.frame_count ? 1 : 0);\r
+\r
+ snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
+ printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
+ PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r
+ gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);\r
+ gp2x_sound_volume(currentConfig.volume, currentConfig.volume);\r
+ PicoWriteSound = updateSound;\r
+ update_volume(0, 0);\r
+ memset(sndBuffer, 0, sizeof(sndBuffer));\r
+ PsndOut = sndBuffer;\r
+ PsndRate_old = PsndRate;\r
+ PicoOpt_old = PicoOpt;\r
+ pal_old = Pico.m.pal;\r
+ } else {\r
+ PsndOut = NULL;\r
+ }\r
+\r
+ // prepare CD buffer\r
+ if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r
+\r
+ // calc vsync offset to sync timing code with vsync\r
+ if (currentConfig.EmuOpt&0x2000) {\r
+ gettimeofday(&tval, 0);\r
+ gp2x_video_wait_vsync();\r
+ gettimeofday(&tval, 0);\r
+ vsync_offset = tval.tv_usec;\r
+ while (vsync_offset >= target_frametime)\r
+ vsync_offset -= target_frametime;\r
+ if (!vsync_offset) vsync_offset++;\r
+ printf("vsync_offset: %i\n", vsync_offset);\r
+ } else\r
+ vsync_offset = 0;\r
+\r
+ frames_done = frames_shown = thissec =\r
+ pframes_done = pframes_shown = pthissec = 0;\r
+\r
+ // loop\r
+ while (engineState == PGS_Running)\r
+ {\r
+ int modes;\r
+\r
+ gettimeofday(&tval, 0);\r
+ if (reset_timing) {\r
+ reset_timing = 0;\r
+ pthissec = tval.tv_sec;\r
+ pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r
+ }\r
+\r
+ // show notice message?\r
+ if (noticeMsgTime.tv_sec)\r
+ {\r
+ static int noticeMsgSum;\r
+ if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
+ noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
+ clearArea(0);\r
+ notice = 0;\r
+ } else {\r
+ int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
+ if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
+ notice = noticeMsg;\r
+ }\r
+ }\r
+\r
+ // check for mode changes\r
+ modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
+ if (modes != oldmodes)\r
+ {\r
+ int scalex = SCREEN_WIDTH;\r
+ osd_fps_x = OSD_FPS_X;\r
+ if (modes & 4) {\r
+ vidCpyM2 = vidCpyM2_40col;\r
+ } else {\r
+ if (PicoOpt & 0x100) {\r
+ vidCpyM2 = vidCpyM2_32col_nobord;\r
+ scalex = 256;\r
+ osd_fps_x = OSD_FPS_X - 64;\r
+ } else {\r
+ vidCpyM2 = vidCpyM2_32col;\r
+ }\r
+ }\r
+ if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r
+ gp2x_video_RGB_setscaling(8, scalex, 224);\r
+ else gp2x_video_RGB_setscaling(0, scalex, 240);\r
+ oldmodes = modes;\r
+ clearArea(1);\r
+ }\r
+\r
+ // second changed?\r
+ if (thissec != tval.tv_sec)\r
+ {\r
+#ifdef BENCHMARK\r
+ static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
+ if (++bench == 10) {\r
+ bench = 0;\r
+ bench_fps_s = bench_fps;\r
+ bf[bfp++ & 3] = bench_fps;\r
+ bench_fps = 0;\r
+ }\r
+ bench_fps += frames_shown;\r
+ sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
+#else\r
+ if (currentConfig.EmuOpt & 2) {\r
+ //sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
+ sprintf(fpsbuff, "%4i", frames_shown);\r
+ if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
+ }\r
+#endif\r
+ frames_shown = frames_done = 0;\r
+ thissec = tval.tv_sec;\r
+ }\r
+#ifdef PFRAMES\r
+ sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
+#endif\r
+\r
+ if (pthissec != tval.tv_sec)\r
+ {\r
+ if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
+ pframes_done = pframes_shown = 0;\r
+ } else {\r
+ // it is quite common for this implementation to leave 1 fame unfinished\r
+ // when second changes, but we don't want buffer to starve.\r
+ if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r
+ updateKeys();\r
+ SkipFrame(1); pframes_done++;\r
+ }\r
+\r
+ pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;\r
+ pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r
+ if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r
+ }\r
+ pthissec = tval.tv_sec;\r
+ }\r
+\r
+ lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r
+ if (currentConfig.Frameskip >= 0) // frameskip enabled\r
+ {\r
+ for(i = 0; i < currentConfig.Frameskip; i++) {\r
+ updateKeys();\r
+ SkipFrame(1); pframes_done++; frames_done++;\r
+ if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r
+ gettimeofday(&tval, 0);\r
+ if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
+ if (tval.tv_usec < lim_time) { // we are too fast\r
+ simpleWait(pthissec, lim_time);\r
+ }\r
+ }\r
+ lim_time += target_frametime;\r
+ }\r
+ }\r
+ else if (tval.tv_usec > lim_time) // auto frameskip\r
+ {\r
+ // no time left for this frame - skip\r
+ if (tval.tv_usec - lim_time >= 300000) {\r
+ /* something caused a slowdown for us (disk access? cache flush?)\r
+ * try to recover by resetting timing... */\r
+ reset_timing = 1;\r
+ continue;\r
+ }\r
+ updateKeys();\r
+ SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r
+ continue;\r
+ }\r
+\r
+ updateKeys();\r
+ PicoFrame();\r
+\r
+ // check time\r
+ gettimeofday(&tval, 0);\r
+ if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
+\r
+ if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r
+ reset_timing = 1;\r
+/* else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
+ {\r
+ // sleep or vsync if we are still too fast\r
+ // usleep sleeps for ~20ms minimum, so it is not a solution here\r
+ if (!reset_timing && tval.tv_usec < lim_time)\r
+ {\r
+ // we are too fast\r
+ if (vsync_offset) {\r
+ if (lim_time - tval.tv_usec > target_frametime/2)\r
+ simpleWait(pthissec, lim_time - target_frametime/4);\r
+ gp2x_video_wait_vsync();\r
+ } else {\r
+ simpleWait(pthissec, lim_time);\r
+ }\r
+ }\r
+ }\r
+*/\r
+ blit(fpsbuff, notice);\r
+\r
+ pframes_done++; pframes_shown++;\r
+ frames_done++; frames_shown++;\r
+ }\r
+\r
+ emu_changeFastForward(0);\r
+\r
+ if (PicoAHW & PAHW_MCD) PicoCDBufferFree();\r
+\r
+ // save SRAM\r
+ if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
+ emu_state_cb("Writing SRAM/BRAM..");\r
+ emu_SaveLoadGame(0, 1);\r
+ SRam.changed = 0;\r
+ }\r
+\r
+ // if in 8bit mode, generate 16bit image for menu background\r
+ if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r
+ emu_forcedFrame(POPT_EN_SOFTSCALE);\r
+}\r
+\r
+\r
+void emu_ResetGame(void)\r
+{\r
+ PicoReset();\r
+ reset_timing = 1;\r
+}\r
+\r
-/**\r
- * All this is mostly based on rlyeh's minimal library.\r
- * Copied here to review all his code and understand what's going on.\r
-**/\r
-\r
-/*\r
-\r
- GP2X minimal library v0.A by rlyeh, (c) 2005. emulnation.info@rlyeh (swap it!)\r
-\r
- Thanks to Squidge, Robster, snaff, Reesy and NK, for the help & previous work! :-)\r
-\r
- License\r
- =======\r
-\r
- Free for non-commercial projects (it would be nice receiving a mail from you).\r
- Other cases, ask me first.\r
-\r
- GamePark Holdings is not allowed to use this library and/or use parts from it.\r
-\r
-*/\r
-\r
\r
#include <stdio.h>\r
#include <stdlib.h>\r
#include "../gp2x/usbjoy.h"\r
#include "../common/arm_utils.h"\r
\r
-volatile unsigned short *gp2x_memregs;\r
-//static\r
-volatile unsigned long *gp2x_memregl;\r
-static void *gp2x_screens[4];\r
-static int screensel = 0;\r
+static volatile unsigned int *memregs;\r
//static\r
int memdev = 0;\r
static int sounddev = -1, mixerdev = -1, touchdev = -1;\r
static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 };\r
\r
+#define SCREEN_MAP_SIZE (((800*(480+11)*2)+0xfff)&~0xfff)\r
+static void *screen;\r
void *gp2x_screen;\r
\r
-#define FRAMEBUFF_WHOLESIZE (0x30000*4) // 320*240*2 + some more\r
-#define FRAMEBUFF_ADDR0 (0x4000000-FRAMEBUFF_WHOLESIZE)\r
-#define FRAMEBUFF_ADDR1 (FRAMEBUFF_ADDR0+0x30000)\r
-#define FRAMEBUFF_ADDR2 (FRAMEBUFF_ADDR1+0x30000)\r
-#define FRAMEBUFF_ADDR3 (FRAMEBUFF_ADDR2+0x30000)\r
-\r
-static const int gp2x_screenaddrs[4] = { FRAMEBUFF_ADDR0, FRAMEBUFF_ADDR1, FRAMEBUFF_ADDR2, FRAMEBUFF_ADDR3 };\r
-static int gp2x_screenaddrs_use[4];\r
-static unsigned short gp2x_screenaddr_old[4];\r
-\r
\r
/* video stuff */\r
void gp2x_video_flip(void)\r
{\r
- unsigned short lsw = (unsigned short) gp2x_screenaddrs_use[screensel&3];\r
- unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&3] >> 16);\r
-\r
- gp2x_memregs[0x2910>>1] = msw;\r
- gp2x_memregs[0x2914>>1] = msw;\r
- gp2x_memregs[0x290E>>1] = lsw;\r
- gp2x_memregs[0x2912>>1] = lsw;\r
-\r
- // jump to other buffer:\r
- gp2x_screen = gp2x_screens[++screensel&3];\r
}\r
\r
/* doulblebuffered flip */\r
void gp2x_video_flip2(void)\r
{\r
- unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&1] >> 16);\r
-\r
- gp2x_memregs[0x2910>>1] = msw;\r
- gp2x_memregs[0x2914>>1] = msw;\r
- gp2x_memregs[0x290E>>1] = 0;\r
- gp2x_memregs[0x2912>>1] = 0;\r
-\r
- // jump to other buffer:\r
- gp2x_screen = gp2x_screens[++screensel&1];\r
}\r
\r
\r
void gp2x_video_changemode2(int bpp)\r
{\r
- gp2x_memregs[0x28DA>>1]=(((bpp+1)/8)<<9)|0xAB; /*8/15/16/24bpp...*/\r
- gp2x_memregs[0x290C>>1]=320*((bpp+1)/8); /*line width in bytes*/\r
}\r
\r
\r
void gp2x_video_changemode(int bpp)\r
{\r
- gp2x_video_changemode2(bpp);\r
-\r
- gp2x_memset_all_buffers(0, 0, 320*240*2);\r
- gp2x_video_flip();\r
}\r
\r
\r
void gp2x_video_setpalette(int *pal, int len)\r
{\r
- unsigned short *g=(unsigned short *)pal;\r
- volatile unsigned short *memreg = &gp2x_memregs[0x295A>>1];\r
- gp2x_memregs[0x2958>>1] = 0;\r
-\r
- len *= 2;\r
- while(len--) *memreg=*g++;\r
}\r
\r
\r
-// TV Compatible function //\r
void gp2x_video_RGB_setscaling(int ln_offs, int W, int H)\r
{\r
- float escalaw, escalah;\r
- int bpp = (gp2x_memregs[0x28DA>>1]>>9)&0x3;\r
- unsigned short scalw;\r
-\r
- // set offset\r
- gp2x_screenaddrs_use[0] = gp2x_screenaddrs[0] + ln_offs * 320 * bpp;\r
- gp2x_screenaddrs_use[1] = gp2x_screenaddrs[1] + ln_offs * 320 * bpp;\r
- gp2x_screenaddrs_use[2] = gp2x_screenaddrs[2] + ln_offs * 320 * bpp;\r
- gp2x_screenaddrs_use[3] = gp2x_screenaddrs[3] + ln_offs * 320 * bpp;\r
-\r
- escalaw = 1024.0; // RGB Horiz LCD\r
- escalah = 320.0; // RGB Vert LCD\r
-\r
- if(gp2x_memregs[0x2800>>1]&0x100) //TV-Out\r
- {\r
- escalaw=489.0; // RGB Horiz TV (PAL, NTSC)\r
- if (gp2x_memregs[0x2818>>1] == 287) //PAL\r
- escalah=274.0; // RGB Vert TV PAL\r
- else if (gp2x_memregs[0x2818>>1] == 239) //NTSC\r
- escalah=331.0; // RGB Vert TV NTSC\r
- }\r
-\r
- // scale horizontal\r
- scalw = (unsigned short)((float)escalaw *(W/320.0));\r
- /* if there is no horizontal scaling, vertical doesn't work. Here is a nasty wrokaround... */\r
- if (H != 240 && W == 320) scalw--;\r
- gp2x_memregs[0x2906>>1]=scalw;\r
- // scale vertical\r
- gp2x_memregl[0x2908>>2]=(unsigned long)((float)escalah *bpp *(H/240.0));\r
}\r
\r
\r
void gp2x_video_wait_vsync(void)\r
{\r
- unsigned short v = gp2x_memregs[0x1182>>1];\r
- while (!((v ^ gp2x_memregs[0x1182>>1]) & 0x10)) spend_cycles(1024);\r
}\r
\r
\r
void gp2x_video_flush_cache(void)\r
{\r
- // since we are using the mmu hack, we must flush the cache first\r
- // (the params are most likely wrong, but they seem to work somehow)\r
- //flushcache(addr, addr + 320*240*2, 0);\r
- flushcache(gp2x_screen, (char *)gp2x_screen + 320*240*2, 0);\r
+// flushcache(gp2x_screen, (char *)gp2x_screen + 320*240*2, 0);\r
}\r
\r
\r
void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)\r
{\r
- char *dst;\r
- if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); }\r
- if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); }\r
- if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); }\r
- if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); }\r
}\r
\r
\r
void gp2x_memcpy_all_buffers(void *data, int offset, int len)\r
{\r
- gp2x_memcpy_buffers(0xf, data, offset, len);\r
}\r
\r
\r
void gp2x_memset_all_buffers(int offset, int byte, int len)\r
{\r
- memset((char *)gp2x_screens[0] + offset, byte, len);\r
- memset((char *)gp2x_screens[1] + offset, byte, len);\r
- memset((char *)gp2x_screens[2] + offset, byte, len);\r
- memset((char *)gp2x_screens[3] + offset, byte, len);\r
+ memset((char *)gp2x_screen + offset, byte, len);\r
}\r
\r
\r
void gp2x_pd_clone_buffer2(void)\r
{\r
- memcpy(gp2x_screen, gp2x_screens[2], 320*240*2);\r
}\r
\r
\r
unsigned long gp2x_joystick_read(int allow_usb_joy)\r
{\r
+ unsigned long value = 0;\r
int i;\r
- unsigned long value=(gp2x_memregs[0x1198>>1] & 0x00FF); // GPIO M\r
- if(value==0xFD) value=0xFA;\r
- if(value==0xF7) value=0xEB;\r
- if(value==0xDF) value=0xAF;\r
- if(value==0x7F) value=0xBE;\r
- value = ~((gp2x_memregs[0x1184>>1] & 0xFF00) | value | (gp2x_memregs[0x1186>>1] << 16)); // C D\r
\r
if (allow_usb_joy && num_of_joys > 0) {\r
// check the usb joy as well..\r
}\r
\r
\r
-static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;\r
+//static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;\r
\r
void gp2x_start_sound(int rate, int bits, int stereo)\r
{\r
+#if 0\r
int frag = 0, bsize, buffers;\r
\r
// if no settings change, we don't need to do anything\r
rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));\r
\r
s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo;\r
+#endif\r
}\r
\r
\r
void gp2x_sound_write(void *buff, int len)\r
{\r
- write(sounddev, buff, len);\r
+// write(sounddev, buff, len);\r
}\r
\r
void gp2x_sound_sync(void)\r
{\r
- ioctl(sounddev, SOUND_PCM_SYNC, 0);\r
+// ioctl(sounddev, SOUND_PCM_SYNC, 0);\r
}\r
\r
void gp2x_sound_volume(int l, int r)\r
{\r
+#if 0\r
l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r;\r
l<<=8; l|=r;\r
ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /*SOUND_MIXER_WRITE_VOLUME*/\r
-}\r
-\r
-\r
-/* 940 */\r
-void Pause940(int yes)\r
-{\r
- if(yes)\r
- gp2x_memregs[0x0904>>1] &= 0xFFFE;\r
- else\r
- gp2x_memregs[0x0904>>1] |= 1;\r
-}\r
-\r
-\r
-void Reset940(int yes, int bank)\r
-{\r
- gp2x_memregs[0x3B48>>1] = ((yes&1) << 7) | (bank & 0x03);\r
-}\r
-\r
-static void proc_set(const char *path, const char *val)\r
-{\r
- FILE *f;\r
- char tmp[16];\r
-\r
- f = fopen(path, "w");\r
- if (f == NULL) {\r
- printf("failed to open: %s\n", path);\r
- return;\r
- }\r
-\r
- fprintf(f, "0\n");\r
- fclose(f);\r
-\r
- printf("\"%s\" is set to: ", path);\r
- f = fopen(path, "r");\r
- if (f == NULL) {\r
- printf("(open failed)\n");\r
- return;\r
- }\r
-\r
- fgets(tmp, sizeof(tmp), f);\r
- printf("%s", tmp);\r
- fclose(f);\r
+#endif\r
}\r
\r
\r
/* common */\r
void gp2x_init(void)\r
{\r
+// struct fb_fix_screeninfo fbfix;\r
+ int fbdev;\r
+\r
printf("entering init()\n"); fflush(stdout);\r
\r
memdev = open("/dev/mem", O_RDWR);\r
exit(1);\r
}\r
\r
- gp2x_memregs = mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000);\r
- printf("memregs are @ %p\n", gp2x_memregs);\r
- if(gp2x_memregs == MAP_FAILED)\r
+ memregs = mmap(0, 0x01000000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0x48000000);\r
+ if (memregs == MAP_FAILED)\r
{\r
printf("mmap(memregs) failed with %i\n", errno);\r
exit(1);\r
}\r
- gp2x_memregl = (unsigned long *) gp2x_memregs;\r
\r
- gp2x_memregs[0x2880>>1] &= ~0x383; // disable cursor, subpict, osd, video layers\r
-\r
- gp2x_screens[0] = mmap(0, FRAMEBUFF_WHOLESIZE, PROT_WRITE, MAP_SHARED, memdev, FRAMEBUFF_ADDR0);\r
- if(gp2x_screens[0] == MAP_FAILED)\r
+ fbdev = open("/dev/fb0", O_RDWR);\r
+ if (fbdev == -1)\r
{\r
- printf("mmap(gp2x_screen) failed with %i\n", errno);\r
+ printf("open(\"/dev/fb0\") failed with %i\n", errno);\r
exit(1);\r
}\r
- printf("framebuffers point to %p\n", gp2x_screens[0]);\r
- gp2x_screens[1] = (char *) gp2x_screens[0]+0x30000;\r
- gp2x_screens[2] = (char *) gp2x_screens[1]+0x30000;\r
- gp2x_screens[3] = (char *) gp2x_screens[2]+0x30000;\r
-\r
- gp2x_screen = gp2x_screens[0];\r
- screensel = 0;\r
\r
- gp2x_screenaddr_old[0] = gp2x_memregs[0x290E>>1];\r
- gp2x_screenaddr_old[1] = gp2x_memregs[0x2910>>1];\r
- gp2x_screenaddr_old[2] = gp2x_memregs[0x2912>>1];\r
- gp2x_screenaddr_old[3] = gp2x_memregs[0x2914>>1];\r
+/*\r
+ ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);\r
+ if (ret == -1)\r
+ {\r
+ printf("ioctl(fbdev) failed with %i\n", errno);\r
+ exit(1);\r
+ }\r
+*/\r
+ screen = mmap(0, SCREEN_MAP_SIZE, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev, 0);\r
+ if (screen == MAP_FAILED)\r
+ {\r
+ printf("mmap(fbptr) failed with %i\n", errno);\r
+ exit(1);\r
+ }\r
+ printf("fbptr %p\n", screen);\r
+ gp2x_screen = (char *)screen + 800*10*2-64;\r
\r
- memcpy(gp2x_screenaddrs_use, gp2x_screenaddrs, sizeof(gp2x_screenaddrs));\r
- gp2x_memset_all_buffers(0, 0, 320*240*2);\r
\r
// snd\r
mixerdev = open("/dev/mixer", O_RDWR);\r
printf("found touchscreen/wm97xx\n");\r
}\r
\r
- /* disable Linux read-ahead */\r
- proc_set("/proc/sys/vm/max-readahead", "0\n");\r
- proc_set("/proc/sys/vm/min-readahead", "0\n");\r
-\r
printf("exitting init()\n"); fflush(stdout);\r
}\r
\r
-char *ext_menu = 0, *ext_state = 0;\r
-\r
void gp2x_deinit(void)\r
{\r
- Reset940(1, 3);\r
- Pause940(1);\r
-\r
- gp2x_video_changemode(15);\r
- gp2x_memregs[0x290E>>1] = gp2x_screenaddr_old[0];\r
- gp2x_memregs[0x2910>>1] = gp2x_screenaddr_old[1];\r
- gp2x_memregs[0x2912>>1] = gp2x_screenaddr_old[2];\r
- gp2x_memregs[0x2914>>1] = gp2x_screenaddr_old[3];\r
+ //gp2x_video_changemode(15);\r
\r
- munmap(gp2x_screens[0], FRAMEBUFF_WHOLESIZE);\r
- munmap((void *)gp2x_memregs, 0x10000);\r
+ munmap(screen, SCREEN_MAP_SIZE);\r
+ munmap((void *)memregs, 0x10000);\r
close(memdev);\r
- close(mixerdev);\r
+ if (mixerdev >= 0) close(mixerdev);\r
if (sounddev >= 0) close(sounddev);\r
if (touchdev >= 0) close(touchdev);\r
\r
gp2x_usbjoy_deinit();\r
\r
- printf("all done, running ");\r
-\r
- // Zaq121's alternative frontend support from MAME\r
- if(ext_menu && ext_state) {\r
- printf("%s -state %s\n", ext_menu, ext_state);\r
- execl(ext_menu, ext_menu, "-state", ext_state, NULL);\r
- } else if(ext_menu) {\r
- printf("%s\n", ext_menu);\r
- execl(ext_menu, ext_menu, NULL);\r
- } else {\r
- printf("gp2xmenu\n");\r
- chdir("/usr/gp2x");\r
- execl("gp2xmenu", "gp2xmenu", NULL);\r
- }\r
+ printf("all done");\r
}\r
\r
/* lprintf */\r
void set_FCLK(unsigned MHZ) {}\r
void set_LCD_custom_rate(int rate) {}\r
void unset_LCD_custom_rate(void) {}\r
+void Pause940(int yes) {}\r
+void Reset940(int yes, int bank) {}\r
\r
notaz.gp2x.de / picodrive.git / commitdiff