4 #include "../common/lprintf.h"
5 #include "../common/plat.h"
6 #include "../common/emu.h"
7 #include "../../pico/pico.h"
13 static unsigned short screen_buff[320 * 240];
14 static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];
15 unsigned char *PicoDraw2FB = PicoDraw2FB_;
17 char cpu_clk_name[] = "unused";
21 g_screen_ptr = (void *)screen_buff;
24 int plat_is_dir(const char *path)
26 return (GetFileAttributes(path) & FILE_ATTRIBUTE_DIRECTORY) ? 1 : 0;
29 unsigned int plat_get_ticks_ms(void)
31 return GetTickCount();
34 unsigned int plat_get_ticks_us(void)
36 // XXX: maybe performance counters?
37 return GetTickCount() * 1000;
40 void plat_wait_till_us(unsigned int us)
42 int msdiff = (int)(us - plat_get_ticks_us()) / 1000;
45 while (plat_get_ticks_us() < us)
49 void plat_sleep_ms(int ms)
54 int plat_wait_event(int *fds_hnds, int count, int timeout_ms)
59 void pemu_prep_defconfig(void)
61 memset(&defaultConfig, 0, sizeof(defaultConfig));
62 defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_CONFIRM_SAVE|EOPT_EN_CD_LEDS;
63 defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |
64 POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_ACC_SPRITES |
65 POPT_EN_32X|POPT_EN_PWM;
66 defaultConfig.s_PicoOpt|= POPT_6BTN_PAD; // for xmen proto
67 defaultConfig.s_PsndRate = 44100;
68 defaultConfig.s_PicoRegion = 0; // auto
69 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP
70 defaultConfig.s_PicoCDBuffers = 0;
71 defaultConfig.Frameskip = 0;
74 static int EmuScanBegin16(unsigned int num)
76 DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;
81 void pemu_loop_prep(void)
83 PicoDrawSetColorFormat(1);
84 PicoScanBegin = EmuScanBegin16;
88 void pemu_loop_end(void)
93 void pemu_forced_frame(int opts)
97 void pemu_update_display(const char *fps, const char *notice_msg)
99 DirectScreen(g_screen_ptr);
103 void plat_video_wait_vsync(void)
107 void plat_video_toggle_renderer(int is_next, int force_16bpp, int is_menu)
109 // this will auto-select SMS/32X renderers
110 PicoDrawSetColorFormat(1);
113 void emu_video_mode_change(int start_line, int line_count, int is_32cols)
115 EmuScreenRect.left = is_32cols ? 32 : 0;
116 EmuScreenRect.right = is_32cols ? 256+32 : 320;
117 EmuScreenRect.top = start_line;
118 EmuScreenRect.bottom = start_line + line_count;
120 PostMessage(FrameWnd, WM_COMMAND, 0x20000 | 2000, 0);
123 static int sndbuff[2*44100/50/2 + 4];
125 static void update_sound(int len)
127 /* avoid writing audio when lagging behind to prevent audio lag */
128 if (PicoSkipFrame != 2)
129 DSoundUpdate(sndbuff, (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) ? 0 : 1);
132 void pemu_sound_start(void)
137 currentConfig.EmuOpt &= ~EOPT_EXT_FRMLIMIT;
139 // prepare sound stuff
140 if (currentConfig.EmuOpt & EOPT_EN_SOUND)
144 ret = DSoundInit(FrameWnd, PsndRate, (PicoOpt & POPT_EN_STEREO) ? 1 : 0, PsndLen);
146 lprintf("dsound init failed\n");
150 PsndOut = (void *)sndbuff;
151 PicoWriteSound = update_sound;
152 currentConfig.EmuOpt |= EOPT_EXT_FRMLIMIT;
156 void pemu_sound_stop(void)
161 void pemu_sound_wait(void)
165 int plat_get_root_dir(char *dst, int len)
169 ml = GetModuleFileName(NULL, dst, len);
170 while (ml > 0 && dst[ml] != '\\')
179 void plat_status_msg_busy_first(const char *msg)
183 void plat_status_msg_busy_next(const char *msg)
187 void plat_status_msg_clear(void)
191 void plat_video_menu_enter(int is_rom_loaded)
195 void plat_video_menu_begin(void)
199 void plat_video_menu_end(void)
203 void plat_validate_config(void)
207 void plat_update_volume(int has_changed, int is_up)
211 const char *plat_get_credits(void)
213 return "PicoDrive v" VERSION " minibeta (c) notaz, 2006-2009\n\n"
215 "fDave: base code of PicoDrive\n"
218 "MAME devs: YM2612, SN76496 and SH2 cores\n"
219 "Stéphane Dallongeville: base of Fame/C (C68K), CZ80\n\n"
220 "Special thanks (ideas, valuable information and stuff):\n"
221 "Charles MacDonald, Eke, Exophase, Haze, Lordus, Nemesis,\n"
222 "Pierpaolo Prazzoli, Rokas, Steve Snake, Tasco Deluxe.\n";
225 void plat_debug_cat(char *str)
230 int mp3_get_bitrate(FILE *f, int size)
235 void mp3_start_play(FILE *f, int pos)
239 void mp3_update(int *buffer, int length, int stereo)
244 void lprintf(const char *fmt, ...)
250 vsnprintf(buf, sizeof(buf), fmt, val);
252 OutputDebugString(buf);
257 int alphasort() { return 0; }
258 int scandir() { return 0; }