X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Fgp2x%2Femu.c;h=8e682f162083ab19f725fb8f66aebffa1dfa6518;hb=7b4813faa6802f3aa07e9daef4aff729d8f78623;hp=b1b314eeade50a8b88832a73a0acd3e621887f0e;hpb=697746df021a83dcb556afdb36abc6977780985c;p=picodrive.git diff --git a/platform/gp2x/emu.c b/platform/gp2x/emu.c index b1b314e..8e682f1 100644 --- a/platform/gp2x/emu.c +++ b/platform/gp2x/emu.c @@ -1,29 +1,37 @@ -// (c) Copyright 2006-2009 notaz, All rights reserved. -// Free for non-commercial use. - -// For commercial use, separate licencing terms must be obtained. +/* + * (c) Copyright 2006-2010 notaz, All rights reserved. + * + * For performance reasons 3 renderers are exported for both MD and 32x modes: + * - 16bpp line renderer + * - 8bpp line renderer (slightly faster) + * - 8bpp tile renderer + * In 32x mode: + * - 32x layer is overlayed on top of 16bpp one + * - line internal one done on .Draw2FB, then mixed with 32x + * - tile internal one done on .Draw2FB, then mixed with 32x + */ #include #include - -#include "plat_gp2x.h" -#include "soc.h" -#include "../common/plat.h" -#include "../common/menu.h" +#include + +#include "../libpicofe/gp2x/plat_gp2x.h" +#include "../libpicofe/gp2x/soc.h" +#include "../libpicofe/input.h" +#include "../libpicofe/plat.h" +#include "../libpicofe/gp2x/soc_pollux.h" +#include "../common/menu_pico.h" #include "../common/arm_utils.h" -#include "../common/fonts.h" #include "../common/emu.h" -#include "../common/config.h" -#include "../linux/sndout_oss.h" -#include "version.h" +#include "../common/config_file.h" +#include "../common/version.h" +#include "plat.h" #include #include #include #include -//#define PFRAMES - #ifdef BENCHMARK #define OSD_FPS_X 220 #else @@ -31,30 +39,15 @@ #endif -extern int crashed_940; +//extern int crashed_940; -static short __attribute__((aligned(4))) sndBuffer[2*(44100+100)/50]; -static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)]; -unsigned char *PicoDraw2FB = PicoDraw2FB_; -static int osd_fps_x, osd_y; +static int osd_fps_x, osd_y, doing_bg_frame; +const char *renderer_names[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL }; +const char *renderer_names32x[] = { "accurate", "faster", "fastest", NULL }; +enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT }; -extern void *gp2x_screens[4]; - - -static void scaling_update(void) -{ - PicoOpt &= ~(POPT_DIS_32C_BORDER|POPT_EN_SOFTSCALE); - switch (currentConfig.scaling) { - default:break; - case EOPT_SCALE_HW_H: - case EOPT_SCALE_HW_HV: - PicoOpt |= POPT_DIS_32C_BORDER; - break; - case EOPT_SCALE_SW_H: - PicoOpt |= POPT_EN_SOFTSCALE; - break; - } -} +static int (*emu_scan_begin)(unsigned int num) = NULL; +static int (*emu_scan_end)(unsigned int num) = NULL; void pemu_prep_defconfig(void) @@ -62,22 +55,23 @@ void pemu_prep_defconfig(void) gp2x_soc_t soc; defaultConfig.CPUclock = default_cpu_clock; + defaultConfig.renderer32x = RT_8BIT_FAST; + defaultConfig.analog_deadzone = 50; soc = soc_detect(); if (soc == SOCID_MMSP2) defaultConfig.s_PicoOpt |= POPT_EXT_FM; - else if (soc == SOCID_POLLUX) + else if (soc == SOCID_POLLUX) { defaultConfig.EmuOpt |= EOPT_WIZ_TEAR_FIX|EOPT_SHOW_RTC; + defaultConfig.s_PicoOpt |= POPT_EN_MCD_GFX; + } } void pemu_validate_config(void) { - gp2x_soc_t soc; - - soc = soc_detect(); - if (soc != SOCID_MMSP2) + if (gp2x_dev_id != GP2X_DEV_GP2X) PicoOpt &= ~POPT_EXT_FM; - if (soc != SOCID_POLLUX) + if (gp2x_dev_id != GP2X_DEV_WIZ) currentConfig.EmuOpt &= ~EOPT_WIZ_TEAR_FIX; if (currentConfig.gamma < 10 || currentConfig.gamma > 300) @@ -87,6 +81,36 @@ void pemu_validate_config(void) currentConfig.CPUclock = default_cpu_clock; } +static int get_renderer(void) +{ + if (PicoAHW & PAHW_32X) + return currentConfig.renderer32x; + else + return currentConfig.renderer; +} + +static void change_renderer(int diff) +{ + int *r; + if (PicoAHW & PAHW_32X) + r = ¤tConfig.renderer32x; + else + r = ¤tConfig.renderer; + *r += diff; + + // 8bpp fast is not there (yet?) + if ((PicoAHW & PAHW_SMS) && *r == RT_8BIT_FAST) + (*r)++; + + if (*r >= RT_COUNT) + *r = 0; + else if (*r < 0) + *r = RT_COUNT - 1; +} + +#define is_16bit_mode() \ + (get_renderer() == RT_16BIT || (PicoAHW & PAHW_32X)) + static void (*osd_text)(int x, int y, const char *text); static void osd_text8(int x, int y, const char *text) @@ -104,21 +128,6 @@ static void osd_text8(int x, int y, const char *text) emu_text_out8(x, y, text); } -static void osd_text16(int x, int y, const char *text) -{ - int len = strlen(text)*8; - int *p, i, h, offs; - - len = (len+1) >> 1; - for (h = 0; h < 8; h++) { - offs = (x + g_screen_width * (y+h)) & ~1; - p = (int *) ((short *)g_screen_ptr + offs); - for (i = len; i; i--, p++) - *p = (*p >> 2) & 0x39e7; - } - emu_text_out16(x, y, text); -} - static void osd_text8_rot(int x, int y, const char *text) { int len = strlen(text) * 8; @@ -160,7 +169,7 @@ static void draw_cd_leds(void) scr_offs = pitch * 2 + 4; } - if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) { + if (!is_16bit_mode()) { #define p(x) px[(x) >> 2] // 8-bit modes unsigned int *px = (unsigned int *)((char *)g_screen_ptr + scr_offs); @@ -187,7 +196,7 @@ static void draw_pico_ptr(void) int x, y, pitch = 320; // only if pen enabled and for 16bit modes - if (pico_inp_mode == 0 || (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) + if (pico_inp_mode == 0 || currentConfig.EmuOpt != RT_16BIT) return; x = pico_pen_x + PICO_PEN_ADJUST_X; @@ -208,26 +217,12 @@ static void draw_pico_ptr(void) p[pitch*2] ^= 0xffff; } -static int EmuScanBegin16(unsigned int num) -{ - DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num; - - return 0; -} - -static int EmuScanBegin8(unsigned int num) -{ - DrawLineDest = (unsigned char *) g_screen_ptr + g_screen_width * num; - - return 0; -} - /* rot thing for Wiz */ static unsigned char __attribute__((aligned(4))) rot_buff[320*4*2]; static int EmuScanBegin16_rot(unsigned int num) { - DrawLineDest = rot_buff + (num & 3) * 320 * 2; + Pico.est.DrawLineDest = rot_buff + (num & 3) * 320 * 2; return 0; } @@ -242,7 +237,7 @@ static int EmuScanEnd16_rot(unsigned int num) static int EmuScanBegin8_rot(unsigned int num) { - DrawLineDest = rot_buff + (num & 3) * 320; + Pico.est.DrawLineDest = rot_buff + (num & 3) * 320; return 0; } @@ -255,6 +250,46 @@ static int EmuScanEnd8_rot(unsigned int num) return 0; } +/* line doublers */ +static unsigned int ld_counter; +static int ld_left, ld_lines; + +static int EmuScanBegin16_ld(unsigned int num) +{ + if ((signed int)(ld_counter - num) > 100) + ld_counter = 0; + + if (emu_scan_begin) + return emu_scan_begin(ld_counter); + else + Pico.est.DrawLineDest = (char *)g_screen_ptr + 320 * ld_counter * gp2x_current_bpp / 8; + + return 0; +} + +static int EmuScanEnd16_ld(unsigned int num) +{ + void *oldline = Pico.est.DrawLineDest; + + if (emu_scan_end) + emu_scan_end(ld_counter); + + ld_counter++; + ld_left--; + if (ld_left <= 0) { + ld_left = ld_lines; + + EmuScanBegin16_ld(num); + memcpy32(Pico.est.DrawLineDest, oldline, 320 * gp2x_current_bpp / 8 / 4); + if (emu_scan_end) + emu_scan_end(ld_counter); + + ld_counter++; + } + + return 0; +} + static int localPal[0x100]; static void (*vidcpyM2)(void *dest, void *src, int m32col, int with_32c_border); static int (*make_local_pal)(int fast_mode); @@ -275,9 +310,9 @@ static int make_local_pal_md(int fast_mode) localPal[0xf0] = 0x00ffffff; pallen = 0x100; } - else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes - bgr444_to_rgb32(localPal+0x40, HighPal); - bgr444_to_rgb32(localPal+0x80, HighPal+0x40); + else if (Pico.est.rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes + bgr444_to_rgb32(localPal+0x40, Pico.est.HighPal); + bgr444_to_rgb32(localPal+0x80, Pico.est.HighPal+0x40); } else memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess @@ -302,12 +337,14 @@ static int make_local_pal_sms(int fast_mode) return 0x40; } -void pemu_update_display(const char *fps, const char *notice) +void pemu_finalize_frame(const char *fps, const char *notice) { int emu_opt = currentConfig.EmuOpt; int ret; - if (PicoOpt & POPT_ALT_RENDERER) + if (PicoAHW & PAHW_32X) + ; // nothing to do + else if (get_renderer() == RT_8BIT_FAST) { // 8bit fast renderer if (Pico.m.dirtyPal) { @@ -318,12 +355,12 @@ void pemu_update_display(const char *fps, const char *notice) } // a hack for VR if (PicoAHW & PAHW_SVP) - memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328); + memset32((int *)(Pico.est.Draw2FB+328*8+328*223), 0xe0e0e0e0, 328); // do actual copy - vidcpyM2(g_screen_ptr, PicoDraw2FB+328*8, + vidcpyM2(g_screen_ptr, Pico.est.Draw2FB+328*8, !(Pico.video.reg[12] & 1), !(PicoOpt & POPT_DIS_32C_BORDER)); } - else if (!(emu_opt & EOPT_16BPP)) + else if (get_renderer() == RT_8BIT_ACC) { // 8bit accurate renderer if (Pico.m.dirtyPal) @@ -334,22 +371,27 @@ void pemu_update_display(const char *fps, const char *notice) } } - if (notice || (emu_opt & EOPT_SHOW_FPS)) { - if (notice) - osd_text(4, osd_y, notice); - if (emu_opt & 2) - osd_text(osd_fps_x, osd_y, fps); - } + if (notice) + osd_text(4, osd_y, notice); + if (emu_opt & EOPT_SHOW_FPS) + osd_text(osd_fps_x, osd_y, fps); if ((PicoAHW & PAHW_MCD) && (emu_opt & EOPT_EN_CD_LEDS)) draw_cd_leds(); if (PicoAHW & PAHW_PICO) draw_pico_ptr(); +} +void plat_video_flip(void) +{ + int stride = g_screen_width; gp2x_video_flip(); + + if (is_16bit_mode()) + stride *= 2; + PicoDrawSetOutBuf(g_screen_ptr, stride); } /* XXX */ -#ifdef __GP2X__ unsigned int plat_get_ticks_ms(void) { return gp2x_get_ticks_ms(); @@ -359,7 +401,6 @@ unsigned int plat_get_ticks_us(void) { return gp2x_get_ticks_us(); } -#endif void plat_wait_till_us(unsigned int us_to) { @@ -382,7 +423,7 @@ void plat_video_wait_vsync(void) void plat_status_msg_clear(void) { - int is_8bit = (PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP); + int is_8bit = !is_16bit_mode(); if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) { /* ugh.. */ int i, u, *p; @@ -411,7 +452,8 @@ void plat_status_msg_clear(void) void plat_status_msg_busy_next(const char *msg) { plat_status_msg_clear(); - pemu_update_display("", msg); + pemu_finalize_frame("", msg); + plat_video_flip(); emu_status_msg(""); /* assumption: msg_busy_next gets called only when @@ -425,49 +467,70 @@ void plat_status_msg_busy_first(const char *msg) plat_status_msg_busy_next(msg); } -static void vidResetMode(void) +static void vid_reset_mode(void) { - PicoScanEnd = NULL; + int gp2x_mode = 16; + int renderer = get_renderer(); - if (PicoOpt & POPT_ALT_RENDERER) { - if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) { - gp2x_video_changemode(-8); - vidcpyM2 = vidcpy_m2_rot; - osd_text = osd_text8_rot; - } else { - gp2x_video_changemode(8); - vidcpyM2 = vidcpy_m2; - osd_text = osd_text8; + PicoOpt &= ~POPT_ALT_RENDERER; + emu_scan_begin = NULL; + emu_scan_end = NULL; + + switch (renderer) { + case RT_16BIT: + PicoDrawSetOutFormat(PDF_RGB555, 0); + PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2); + break; + case RT_8BIT_ACC: + PicoDrawSetOutFormat(PDF_8BIT, 0); + PicoDrawSetOutBuf(g_screen_ptr, g_screen_width); + gp2x_mode = 8; + break; + case RT_8BIT_FAST: + PicoOpt |= POPT_ALT_RENDERER; + PicoDrawSetOutFormat(PDF_NONE, 0); + vidcpyM2 = vidcpy_m2; + gp2x_mode = 8; + break; + default: + printf("bad renderer\n"); + break; + } + + if (PicoAHW & PAHW_32X) { + // Wiz 16bit is an exception, uses line rendering due to rotation mess + if (renderer == RT_16BIT && (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX)) { + PicoDrawSetOutFormat(PDF_RGB555, 1); } - } - else if (currentConfig.EmuOpt & EOPT_16BPP) { - PicoDrawSetColorFormat(1); - if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) { - gp2x_video_changemode(-16); - PicoScanBegin = EmuScanBegin16_rot; - PicoScanEnd = EmuScanEnd16_rot; - osd_text = osd_text16_rot; - } else { - gp2x_video_changemode(16); - PicoScanBegin = EmuScanBegin16; - osd_text = osd_text16; + else { + PicoDrawSetOutFormat(PDF_NONE, 0); } + PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2); + gp2x_mode = 16; } - else { - PicoDrawSetColorFormat(2); - if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) { - gp2x_video_changemode(-8); - PicoScanBegin = EmuScanBegin8_rot; - PicoScanEnd = EmuScanEnd8_rot; - osd_text = osd_text8_rot; - } else { - gp2x_video_changemode(8); - PicoScanBegin = EmuScanBegin8; - osd_text = osd_text8; + + if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) { + if ((PicoAHW & PAHW_32X) || renderer == RT_16BIT) { + emu_scan_begin = EmuScanBegin16_rot; + emu_scan_end = EmuScanEnd16_rot; + } + else if (renderer == RT_8BIT_ACC) { + emu_scan_begin = EmuScanBegin8_rot; + emu_scan_end = EmuScanEnd8_rot; } + else if (renderer == RT_8BIT_FAST) + vidcpyM2 = vidcpy_m2_rot; } - if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) { + PicoDrawSetCallbacks(emu_scan_begin, emu_scan_end); + + if (is_16bit_mode()) + osd_text = (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) ? osd_text16_rot : emu_osd_text16; + else + osd_text = (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) ? osd_text8_rot : osd_text8; + + gp2x_video_wait_vsync(); + if (!is_16bit_mode()) { // setup pal for 8-bit modes localPal[0xc0] = 0x0000c000; // MCD LEDs localPal[0xd0] = 0x00c00000; @@ -475,54 +538,79 @@ static void vidResetMode(void) localPal[0xf0] = 0x00ffffff; gp2x_video_setpalette(localPal, 0x100); gp2x_memset_all_buffers(0, 0xe0, 320*240); - gp2x_video_flip(); } + else + gp2x_memset_all_buffers(0, 0, 320*240*2); + + if (currentConfig.EmuOpt & EOPT_WIZ_TEAR_FIX) + gp2x_mode = -gp2x_mode; + + gp2x_video_changemode(gp2x_mode, Pico.m.pal); + Pico.m.dirtyPal = 1; - // reset scaling - if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8)) - gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224); - else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240); + PicoOpt &= ~POPT_EN_SOFTSCALE; + if (currentConfig.scaling == EOPT_SCALE_SW) + PicoOpt |= POPT_EN_SOFTSCALE; // palette converters for 8bit modes make_local_pal = (PicoAHW & PAHW_SMS) ? make_local_pal_sms : make_local_pal_md; } -void plat_video_toggle_renderer(int is_next, int force_16bpp, int is_menu) +void emu_video_mode_change(int start_line, int line_count, int is_32cols) { - if (force_16bpp) { - PicoOpt &= ~POPT_ALT_RENDERER; - currentConfig.EmuOpt |= EOPT_16BPP; + int scalex = 320, scaley = 240; + int ln_offs = 0; + + if (doing_bg_frame) + return; + + osd_fps_x = OSD_FPS_X; + osd_y = 232; + + /* set up hwscaling here */ + PicoOpt &= ~POPT_DIS_32C_BORDER; + if (is_32cols && currentConfig.scaling == EOPT_SCALE_HW) { + scalex = 256; + PicoOpt |= POPT_DIS_32C_BORDER; + osd_fps_x = OSD_FPS_X - 64; } - /* alt, 16bpp, 8bpp */ - else if (PicoOpt & POPT_ALT_RENDERER) { - PicoOpt &= ~POPT_ALT_RENDERER; - if (is_next) - currentConfig.EmuOpt |= EOPT_16BPP; - } else if (!(currentConfig.EmuOpt & EOPT_16BPP)) { - if (is_next) - PicoOpt |= POPT_ALT_RENDERER; - else - currentConfig.EmuOpt |= EOPT_16BPP; - } else { - currentConfig.EmuOpt &= ~EOPT_16BPP; - if (!is_next) - PicoOpt |= POPT_ALT_RENDERER; + + if (currentConfig.vscaling == EOPT_SCALE_HW) { + ln_offs = start_line; + scaley = line_count; + osd_y = start_line + line_count - 8; + } + + gp2x_video_RGB_setscaling(ln_offs, scalex, scaley); + + /* line doubling */ + if (currentConfig.vscaling == EOPT_SCALE_SW && line_count < 240) { + ld_lines = ld_left = line_count / (240 - line_count); + PicoDrawSetCallbacks(EmuScanBegin16_ld, EmuScanEnd16_ld); } - if (is_menu) + // clear whole screen in all buffers + if (!is_16bit_mode()) + gp2x_memset_all_buffers(0, 0xe0, 320*240); + else + gp2x_memset_all_buffers(0, 0, 320*240*2); +} + +void plat_video_toggle_renderer(int change, int is_menu_call) +{ + change_renderer(change); + + if (is_menu_call) return; - vidResetMode(); + vid_reset_mode(); rendstatus_old = -1; - if (PicoOpt & POPT_ALT_RENDERER) { - emu_status_msg(" 8bit fast renderer"); - } else if (currentConfig.EmuOpt & EOPT_16BPP) { - emu_status_msg("16bit accurate renderer"); - } else { - emu_status_msg(" 8bit accurate renderer"); - } + if (PicoAHW & PAHW_32X) + emu_status_msg(renderer_names32x[get_renderer()]); + else + emu_status_msg(renderer_names[get_renderer()]); } #if 0 // TODO @@ -561,8 +649,8 @@ static void RunEventsPico(unsigned int events) void plat_update_volume(int has_changed, int is_up) { static int prev_frame = 0, wait_frames = 0; - int vol = currentConfig.volume; int need_low_volume = 0; + int vol = currentConfig.volume; gp2x_soc_t soc; soc = soc_detect(); @@ -574,14 +662,9 @@ void plat_update_volume(int has_changed, int is_up) if (need_low_volume && vol < 5 && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12) wait_frames++; else { - if (is_up) { - if (vol < 99) vol++; - } else { - if (vol > 0) vol--; - } wait_frames = 0; - sndout_oss_setvol(vol, vol); - currentConfig.volume = vol; + plat_target_step_volume(¤tConfig.volume, is_up ? 1 : -1); + vol = currentConfig.volume; } emu_status_msg("VOL: %02i", vol); prev_frame = Pico.m.frame_count; @@ -599,281 +682,81 @@ void plat_update_volume(int has_changed, int is_up) } } -static void updateSound(int len) -{ - len <<= 1; - if (PicoOpt & POPT_EN_STEREO) - len <<= 1; - - if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len)) - return; - - /* avoid writing audio when lagging behind to prevent audio lag */ - if (PicoSkipFrame != 2) - sndout_oss_write(PsndOut, len); -} - void pemu_sound_start(void) { - static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0; + gp2x_soc_t soc; - PsndOut = NULL; + emu_sound_start(); - // prepare sound stuff if (currentConfig.EmuOpt & EOPT_EN_SOUND) { - int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0; - int target_fps = Pico.m.pal ? 50 : 60; - int frame_samples, snd_excess_add; - int snd_rate_oss = PsndRate; - gp2x_soc_t soc; - soc = soc_detect(); if (soc == SOCID_POLLUX) { - /* POLLUX pain: DPLL1 / mclk_div / bitclk_div / 4 */ - switch (PsndRate) { - case 44100: PsndRate = 44171; break; // 44170.673077 - case 22050: PsndRate = 22086; break; // 22085.336538 - case 11025: PsndRate = 11043; break; // 11042.668269 - default: break; - } - } - - #define SOUND_RERATE_FLAGS (POPT_EN_FM|POPT_EN_PSG|POPT_EN_STEREO|POPT_EXT_FM|POPT_EN_MCD_CDDA) - if (PsndRate != PsndRate_old || Pico.m.pal != pal_old || ((PicoOpt & POPT_EXT_FM) && crashed_940) || - ((PicoOpt ^ PicoOpt_old) & SOUND_RERATE_FLAGS)) { + PsndRate = pollux_get_real_snd_rate(PsndRate); PsndRerate(Pico.m.frame_count ? 1 : 0); } - memset(sndBuffer, 0, sizeof(sndBuffer)); - PsndOut = sndBuffer; - PicoWriteSound = updateSound; - PsndRate_old = PsndRate; - PicoOpt_old = PicoOpt; - pal_old = Pico.m.pal; - plat_update_volume(0, 0); - - frame_samples = PsndLen; - snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps; - if (snd_excess_add != 0) - frame_samples++; - if (soc == SOCID_POLLUX) - frame_samples *= 2; /* force larger buffer */ - - printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n", - PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal); - sndout_oss_setvol(currentConfig.volume, currentConfig.volume); - sndout_oss_start(snd_rate_oss, frame_samples, is_stereo); - - /* Wiz's sound hardware needs more prebuffer */ - if (soc == SOCID_POLLUX) - updateSound(frame_samples); + plat_target_step_volume(¤tConfig.volume, 0); } } +static const int sound_rates[] = { 44100, 32000, 22050, 16000, 11025, 8000 }; + void pemu_sound_stop(void) { - /* get back from Wiz pain */ - switch (PsndRate) { - case 44171: PsndRate = 44100; break; - case 22086: PsndRate = 22050; break; - case 11043: PsndRate = 11025; break; - default: break; - } -} + int i; -void pemu_sound_wait(void) -{ - // don't need to do anything, writes will block by themselves + /* get back from Pollux pain */ + PsndRate += 1000; + for (i = 0; i < ARRAY_SIZE(sound_rates); i++) { + if (PsndRate >= sound_rates[i]) { + PsndRate = sound_rates[i]; + break; + } + } } - -void pemu_forced_frame(int opts) +void pemu_forced_frame(int no_scale, int do_emu) { - int po_old = PicoOpt; - int eo_old = currentConfig.EmuOpt; - - PicoOpt &= ~POPT_ALT_RENDERER; - PicoOpt |= opts|POPT_ACC_SPRITES; - currentConfig.EmuOpt |= EOPT_16BPP; - - PicoDrawSetColorFormat(1); - PicoScanBegin = EmuScanBegin16; - PicoScanEnd = NULL; + doing_bg_frame = 1; + PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2); + PicoDrawSetCallbacks(NULL, NULL); Pico.m.dirtyPal = 1; - PicoFrameDrawOnly(); - PicoOpt = po_old; - currentConfig.EmuOpt = eo_old; + emu_cmn_forced_frame(no_scale, do_emu); + + g_menubg_src_ptr = g_screen_ptr; + doing_bg_frame = 0; } void plat_debug_cat(char *str) { } -void emu_video_mode_change(int start_line, int line_count, int is_32cols) +void plat_video_loop_prepare(void) { - int scalex = 320; - osd_fps_x = OSD_FPS_X; - osd_y = 232; - if (is_32cols && (PicoOpt & POPT_DIS_32C_BORDER)) { - scalex = 256; - osd_fps_x = OSD_FPS_X - 64; - } - - /* want vertical scaling and game is not in 240 line mode */ - if (currentConfig.scaling == EOPT_SCALE_HW_HV) { - gp2x_video_RGB_setscaling(start_line, scalex, line_count); - osd_y = start_line + line_count - 8; - } else - gp2x_video_RGB_setscaling(0, scalex, 240); - - // clear whole screen in all buffers - if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) - gp2x_memset_all_buffers(0, 0xe0, 320*240); - else - gp2x_memset_all_buffers(0, 0, 320*240*2); -} - -#if 0 -static void tga_dump(void) -{ -#define BYTE unsigned char -#define WORD unsigned short - struct - { - BYTE IDLength; /* 00h Size of Image ID field */ - BYTE ColorMapType; /* 01h Color map type */ - BYTE ImageType; /* 02h Image type code */ - WORD CMapStart; /* 03h Color map origin */ - WORD CMapLength; /* 05h Color map length */ - BYTE CMapDepth; /* 07h Depth of color map entries */ - WORD XOffset; /* 08h X origin of image */ - WORD YOffset; /* 0Ah Y origin of image */ - WORD Width; /* 0Ch Width of image */ - WORD Height; /* 0Eh Height of image */ - BYTE PixelDepth; /* 10h Image pixel size */ - BYTE ImageDescriptor; /* 11h Image descriptor byte */ - } __attribute__((packed)) TGAHEAD; - static unsigned short oldscr[320*240]; - FILE *f; char name[128]; int i; - - memset(&TGAHEAD, 0, sizeof(TGAHEAD)); - TGAHEAD.ImageType = 2; - TGAHEAD.Width = 320; - TGAHEAD.Height = 240; - TGAHEAD.PixelDepth = 16; - TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left - -#define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555? - - for (i = 0; i < 320*240; i++) - if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break; - if (i < 320*240) - { - for (i = 0; i < 320*240; i++) - oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]); - sprintf(name, "%05i.tga", Pico.m.frame_count); - f = fopen(name, "wb"); - if (!f) { printf("!f\n"); exit(1); } - fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f); - fwrite(oldscr, 1, 320*240*2, f); - fclose(f); - } + // make sure we are in correct mode + change_renderer(0); + vid_reset_mode(); } -#endif void pemu_loop_prep(void) { - static int gp2x_old_clock = -1, EmuOpt_old = 0, pal_old = 0; - static int gp2x_old_gamma = 100; - gp2x_soc_t soc; - - soc = soc_detect(); - - if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_RAM_TIMINGS) { - if (currentConfig.EmuOpt & EOPT_RAM_TIMINGS) - set_ram_timings(); - else - unset_ram_timings(); - } - - if (gp2x_old_clock < 0) - gp2x_old_clock = default_cpu_clock; - if (gp2x_old_clock != currentConfig.CPUclock) { - printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout); - gp2x_set_cpuclk(currentConfig.CPUclock); - gp2x_old_clock = currentConfig.CPUclock; - printf(" done\n"); - } - - if (gp2x_old_gamma != currentConfig.gamma || ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_A_SN_GAMMA)) { - set_lcd_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt & EOPT_A_SN_GAMMA)); - gp2x_old_gamma = currentConfig.gamma; - printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000)); - } + if (gp2x_dev_id == GP2X_DEV_CAANOO) + in_set_config_int(in_name_to_id("evdev:pollux-analog"), + IN_CFG_ABS_DEAD_ZONE, + currentConfig.analog_deadzone); - if (((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_VSYNC) || Pico.m.pal != pal_old) { - if ((currentConfig.EmuOpt & EOPT_VSYNC) || soc == SOCID_POLLUX) - set_lcd_custom_rate(Pico.m.pal); - else if (EmuOpt_old & EOPT_VSYNC) - unset_lcd_custom_rate(); - } - - if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_MMUHACK) - gp2x_make_fb_bufferable(currentConfig.EmuOpt & EOPT_MMUHACK); - - EmuOpt_old = currentConfig.EmuOpt; - pal_old = Pico.m.pal; - - // make sure we are in correct mode - vidResetMode(); - scaling_update(); - - pemu_sound_start(); + // dirty buffers better go now than during gameplay + sync(); + sleep(0); } void pemu_loop_end(void) { - int po_old = PicoOpt; - int eo_old = currentConfig.EmuOpt; - pemu_sound_stop(); - memset32(g_screen_ptr, 0, 320*240*2/4); /* do one more frame for menu bg */ - PicoOpt &= ~POPT_ALT_RENDERER; - PicoOpt |= POPT_EN_SOFTSCALE|POPT_ACC_SPRITES; - currentConfig.EmuOpt |= EOPT_16BPP; - - PicoScanBegin = EmuScanBegin16; - PicoScanEnd = NULL; - PicoDrawSetColorFormat(1); - Pico.m.dirtyPal = 1; - PicoFrame(); - - PicoOpt = po_old; - currentConfig.EmuOpt = eo_old; -} - -const char *plat_get_credits(void) -{ - return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n" - "Credits:\n" - "fDave: Cyclone 68000 core,\n" - " base code of PicoDrive\n" - "Reesy & FluBBa: DrZ80 core\n" - "MAME devs: YM2612 and SN76496 cores\n" - "rlyeh and others: minimal SDK\n" - "Squidge: mmuhack\n" - "Dzz: ARM940 sample\n" - "GnoStiC / Puck2099: USB joy code\n" - "craigix: GP2X hardware\n" - "ketchupgun: skin design\n" - "\n" - "special thanks (for docs, ideas):\n" - " Charles MacDonald, Haze,\n" - " Stephane Dallongeville,\n" - " Lordus, Exophase, Rokas,\n" - " Nemesis, Tasco Deluxe"; + pemu_forced_frame(0, 1); } +