\r
#include <stdio.h>\r
#include <stdlib.h>\r
-#include <sys/time.h>\r
-#include <stdarg.h>\r
\r
#include "plat_gp2x.h"\r
#include "soc.h"\r
extern int crashed_940;\r
\r
static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
-static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
-static char noticeMsg[40];\r
static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];\r
unsigned char *PicoDraw2FB = PicoDraw2FB_;\r
static int osd_fps_x;\r
\r
extern void *gp2x_screens[4];\r
\r
-void plat_status_msg(const char *format, ...)\r
-{\r
- va_list vl;\r
-\r
- va_start(vl, format);\r
- vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r
- va_end(vl);\r
-\r
- gettimeofday(¬iceMsgTime, 0);\r
-}\r
-\r
int plat_get_root_dir(char *dst, int len)\r
{\r
extern char **g_argv;\r
int localPal[0x100];\r
static void (*vidcpyM2)(void *dest, void *src, int m32col, int with_32c_border) = NULL;\r
\r
-static void blit(const char *fps, const char *notice)\r
+void pemu_update_display(const char *fps, const char *notice)\r
{\r
int emu_opt = currentConfig.EmuOpt;\r
\r
gp2x_video_flip();\r
}\r
\r
-// clears whole screen or just the notice area (in all buffers)\r
-static void clearArea(int full)\r
+/* XXX */\r
+#ifdef __GP2X__\r
+unsigned int plat_get_ticks_ms(void)\r
+{\r
+ return gp2x_get_ticks_ms();\r
+}\r
+\r
+unsigned int plat_get_ticks_us(void)\r
+{\r
+ return gp2x_get_ticks_us();\r
+}\r
+#endif\r
+\r
+void plat_wait_till_us(unsigned int us_to)\r
+{\r
+ unsigned int now;\r
+\r
+ spend_cycles(1024);\r
+ now = plat_get_ticks_us();\r
+\r
+ while ((signed int)(us_to - now) > 512)\r
+ {\r
+ spend_cycles(1024);\r
+ now = plat_get_ticks_us();\r
+ }\r
+}\r
+\r
+void plat_video_wait_vsync(void)\r
+{\r
+ gp2x_video_wait_vsync();\r
+}\r
+\r
+void plat_status_msg_clear(void)\r
{\r
int is_8bit = (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP);\r
- if (!full && (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX)) {\r
+ if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) {\r
/* ugh.. */\r
int i, u, *p;\r
if (is_8bit) {\r
return;\r
}\r
\r
- if (is_8bit) {\r
- // 8-bit renderers\r
- if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
- else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
- } else {\r
- // 16bit accurate renderer\r
- if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
- else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
- }\r
+ if (is_8bit)\r
+ gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
+ else\r
+ gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
}\r
\r
void plat_status_msg_busy_next(const char *msg)\r
{\r
- clearArea(0);\r
- blit("", msg);\r
+ plat_status_msg_clear();\r
+ pemu_update_display("", msg);\r
\r
/* assumption: msg_busy_next gets called only when\r
* something slow is about to happen */\r
vidResetMode();\r
\r
if (PicoOpt & POPT_ALT_RENDERER) {\r
- plat_status_msg(" 8bit fast renderer");\r
+ emu_status_msg(" 8bit fast renderer");\r
} else if (currentConfig.EmuOpt & EOPT_16BPP) {\r
- plat_status_msg("16bit accurate renderer");\r
+ emu_status_msg("16bit accurate renderer");\r
} else {\r
- plat_status_msg(" 8bit accurate renderer");\r
+ emu_status_msg(" 8bit accurate renderer");\r
}\r
}\r
\r
sndout_oss_setvol(vol, vol);\r
currentConfig.volume = vol;\r
}\r
- plat_status_msg("VOL: %02i", vol);\r
+ emu_status_msg("VOL: %02i", vol);\r
prev_frame = Pico.m.frame_count;\r
}\r
\r
}\r
}\r
\r
-\r
static void updateSound(int len)\r
{\r
- if (PicoOpt&8) len<<=1;\r
+ if (PicoOpt & POPT_EN_STEREO)\r
+ len <<= 1;\r
\r
/* avoid writing audio when lagging behind to prevent audio lag */\r
if (PicoSkipFrame != 2)\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 pemu_forced_frame(int opts)\r
{\r
int po_old = PicoOpt;\r
{\r
}\r
\r
-static void simpleWait(int thissec, int lim_time)\r
+void pemu_video_mode_change(int is_32col, int is_240_lines)\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
+ int scalex = 320;\r
+ osd_fps_x = OSD_FPS_X;\r
+ if (is_32col && (PicoOpt & POPT_DIS_32C_BORDER)) {\r
+ scalex = 256;\r
+ osd_fps_x = OSD_FPS_X - 64;\r
}\r
+ /* want vertical scaling and game is not in 240 line mode */\r
+ if (currentConfig.scaling == EOPT_SCALE_HW_HV && !is_240_lines)\r
+ gp2x_video_RGB_setscaling(8, scalex, 224);\r
+ else\r
+ gp2x_video_RGB_setscaling(0, scalex, 240);\r
+\r
+ // clear whole screen in all buffers\r
+ if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))\r
+ gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
+ else\r
+ gp2x_memset_all_buffers(0, 0, 320*240*2);\r
}\r
\r
-\r
#if 0\r
static void tga_dump(void)\r
{\r
}\r
#endif\r
\r
-\r
-void pemu_loop(void)\r
+void pemu_loop_prep(void)\r
{\r
static int gp2x_old_clock = -1, EmuOpt_old = 0, pal_old = 0;\r
static int gp2x_old_gamma = 100;\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
if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_RAM_TIMINGS) {\r
if (currentConfig.EmuOpt & EOPT_RAM_TIMINGS)\r
\r
EmuOpt_old = currentConfig.EmuOpt;\r
pal_old = Pico.m.pal;\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
-\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
pemu_sound_start();\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 & EOPT_PSYNC) {\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 = 320;\r
- osd_fps_x = OSD_FPS_X;\r
- if (!(modes & 4) && (PicoOpt & POPT_DIS_32C_BORDER)) {\r
- scalex = 256;\r
- osd_fps_x = OSD_FPS_X - 64;\r
- }\r
- /* want vertical scaling and game is not in 240 line mode */\r
- if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(modes&8))\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
- 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
- emu_update_input();\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
- emu_update_input();\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
- emu_update_input();\r
- SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r
- continue;\r
- }\r
-\r
- emu_update_input();\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_set_fastforward(0);\r
-\r
- if (PicoAHW & PAHW_MCD)\r
- PicoCDBufferFree();\r
-\r
- // save SRAM\r
- if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
- plat_status_msg_busy_first("Writing SRAM/BRAM...");\r
- emu_save_load_game(0, 1);\r
- SRam.changed = 0;\r
- }\r
-\r
- // do menu background to be sure it's right\r
- pemu_forced_frame(POPT_EN_SOFTSCALE);\r
+void pemu_loop_end(void)\r
+{\r
}\r
\r
const char *plat_get_credits(void)\r
notaz.gp2x.de / libpicofe.git / blobdiff