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- /*
- * PicoDrive
- * (C) notaz, 2009,2010
- *
- * This work is licensed under the terms of MAME license.
- * See COPYING file in the top-level directory.
- */
- #include <windows.h>
- #include <stdio.h>
- #include "../common/plat.h"
- #include "../common/emu.h"
- #include "../common/version.h"
- #include <pico/pico.h>
- #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; }
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