/* * PicoDrive * (C) notaz, 2009,2010 * * This work is licensed under the terms of MAME license. * See COPYING file in the top-level directory. */ #include #include #include "../common/plat.h" #include "../common/emu.h" #include "../common/version.h" #include #include "direct.h" #include "dsnd.h" #include "main.h" static unsigned short screen_buff[320 * 240]; const char *renderer_names[] = { NULL }; const char *renderer_names32x[] = { NULL }; void plat_init(void) { g_screen_ptr = (void *)screen_buff; } int plat_is_dir(const char *path) { return (GetFileAttributes(path) & FILE_ATTRIBUTE_DIRECTORY) ? 1 : 0; } unsigned int plat_get_ticks_ms(void) { return GetTickCount(); } unsigned int plat_get_ticks_us(void) { // XXX: maybe performance counters? return GetTickCount() * 1000; } void plat_wait_till_us(unsigned int us) { int msdiff = (int)(us - plat_get_ticks_us()) / 1000; if (msdiff > 6) Sleep(msdiff - 6); while (plat_get_ticks_us() < us) ; } void plat_sleep_ms(int ms) { Sleep(ms); } int plat_wait_event(int *fds_hnds, int count, int timeout_ms) { return -1; } void pemu_prep_defconfig(void) { memset(&defaultConfig, 0, sizeof(defaultConfig)); defaultConfig.s_PicoCDBuffers = 0; defaultConfig.Frameskip = 0; } void pemu_validate_config(void) { } void pemu_loop_prep(void) { PicoDrawSetOutFormat(PDF_RGB555, 1); PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2); pemu_sound_start(); } void pemu_loop_end(void) { pemu_sound_stop(); } void pemu_forced_frame(int no_scale, int do_emu) { } void pemu_finalize_frame(const char *fps, const char *notice_msg) { } void plat_video_flip(void) { DirectScreen(g_screen_ptr); DirectPresent(); } void plat_video_wait_vsync(void) { } void plat_video_toggle_renderer(int change, int is_menu) { // this will auto-select SMS/32X renderers PicoDrawSetOutFormat(PDF_RGB555, 1); } void emu_video_mode_change(int start_line, int line_count, int is_32cols) { EmuScreenRect.left = is_32cols ? 32 : 0; EmuScreenRect.right = is_32cols ? 256+32 : 320; EmuScreenRect.top = start_line; EmuScreenRect.bottom = start_line + line_count; PostMessage(FrameWnd, WM_COMMAND, 0x20000 | 2000, 0); } static int sndbuff[2*44100/50/2 + 4]; static void update_sound(int len) { /* avoid writing audio when lagging behind to prevent audio lag */ if (PicoIn.skipFrame != 2) DSoundUpdate(sndbuff, (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) ? 0 : 1); } void pemu_sound_start(void) { int ret; PicoIn.sndOut = NULL; currentConfig.EmuOpt &= ~EOPT_EXT_FRMLIMIT; // prepare sound stuff if (currentConfig.EmuOpt & EOPT_EN_SOUND) { PsndRerate(0); ret = DSoundInit(FrameWnd, PicoIn.sndRate, (PicoIn.opt & POPT_EN_STEREO) ? 1 : 0, Pico.snd.len); if (ret != 0) { lprintf("dsound init failed\n"); return; } PicoIn.sndOut = (void *)sndbuff; PicoIn.writeSound = update_sound; currentConfig.EmuOpt |= EOPT_EXT_FRMLIMIT; } } void pemu_sound_stop(void) { DSoundExit(); } void pemu_sound_wait(void) { } int plat_get_root_dir(char *dst, int len) { int ml; ml = GetModuleFileName(NULL, dst, len); while (ml > 0 && dst[ml] != '\\') ml--; if (ml != 0) ml++; dst[ml] = 0; return ml; } void plat_status_msg_busy_first(const char *msg) { } void plat_status_msg_busy_next(const char *msg) { } void plat_status_msg_clear(void) { } void plat_video_menu_enter(int is_rom_loaded) { } void plat_video_menu_begin(void) { } void plat_video_menu_end(void) { } void plat_update_volume(int has_changed, int is_up) { } const char *plat_get_credits(void) { return "PicoDrive v" VERSION " minibeta (c) notaz, 2006-2009\n\n" "Credits:\n" "fDave: base code of PicoDrive\n" "Chui: Fame/C\n" "NJ: CZ80\n" "MAME devs: YM2612, SN76496 and SH2 cores\n" "Stéphane Dallongeville: base of Fame/C (C68K), CZ80\n\n" "Special thanks (ideas, valuable information and stuff):\n" "Charles MacDonald, Eke, Exophase, Haze, Lordus, Nemesis,\n" "Pierpaolo Prazzoli, Rokas, Steve Snake, Tasco Deluxe.\n"; } void plat_debug_cat(char *str) { } // required by pico int mp3_get_bitrate(void *f, int size) { return 128; } void mp3_start_play(void *f, int pos) { } void mp3_update(int *buffer, int length, int stereo) { } // other void lprintf(const char *fmt, ...) { char buf[512]; va_list val; va_start(val, fmt); vsnprintf(buf, sizeof(buf), fmt, val); va_end(val); OutputDebugString(buf); printf("%s", buf); } // fake int alphasort() { return 0; } int scandir() { return 0; }