the old-new win32 port

[libpicofe.git] / win32 / plat.c

diff --git a/win32/plat.c b/win32/plat.c
new file mode 100644 (file)
index 0000000..0c1dea6
--- /dev/null
+++ b/win32/plat.c
@@ -0,0 +1,259 @@
+#include <windows.h>
+#include <stdio.h>
+
+#include "../common/lprintf.h"
+#include "../common/plat.h"
+#include "../common/emu.h"
+#include "../../pico/pico.h"
+#include "version.h"
+#include "direct.h"
+#include "dsnd.h"
+#include "main.h"
+
+static unsigned short screen_buff[320 * 240];
+static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];
+unsigned char *PicoDraw2FB = PicoDraw2FB_;
+
+char cpu_clk_name[] = "unused";
+
+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.EmuOpt    = 0x9d | EOPT_RAM_TIMINGS|EOPT_CONFIRM_SAVE|EOPT_EN_CD_LEDS;
+       defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |
+                                 POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_ACC_SPRITES |
+                                 POPT_EN_32X|POPT_EN_PWM;
+       defaultConfig.s_PicoOpt|= POPT_6BTN_PAD; // for xmen proto
+       defaultConfig.s_PsndRate = 44100;
+       defaultConfig.s_PicoRegion = 0; // auto
+       defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP
+       defaultConfig.s_PicoCDBuffers = 0;
+       defaultConfig.Frameskip = 0;
+}
+
+static int EmuScanBegin16(unsigned int num)
+{
+       DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;
+
+       return 0;
+}
+
+void pemu_loop_prep(void)
+{
+       PicoDrawSetColorFormat(1);
+       PicoScanBegin = EmuScanBegin16;
+       pemu_sound_start();
+}
+
+void pemu_loop_end(void)
+{
+       pemu_sound_stop();
+}
+
+void pemu_forced_frame(int opts)
+{
+}
+
+void pemu_update_display(const char *fps, const char *notice_msg)
+{
+       DirectScreen(g_screen_ptr);
+       DirectPresent();
+}
+
+void plat_video_wait_vsync(void)
+{
+}
+
+void plat_video_toggle_renderer(int is_next, int force_16bpp, int is_menu)
+{
+       // this will auto-select SMS/32X renderers
+       PicoDrawSetColorFormat(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 (PicoSkipFrame != 2)
+               DSoundUpdate(sndbuff, (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) ? 0 : 1);
+}
+
+void pemu_sound_start(void)
+{
+       int ret;
+
+       PsndOut = NULL;
+       currentConfig.EmuOpt &= ~EOPT_EXT_FRMLIMIT;
+
+       // prepare sound stuff
+       if (currentConfig.EmuOpt & EOPT_EN_SOUND)
+       {
+               PsndRerate(0);
+
+               ret = DSoundInit(FrameWnd, PsndRate, (PicoOpt & POPT_EN_STEREO) ? 1 : 0, PsndLen);
+               if (ret != 0) {
+                       lprintf("dsound init failed\n");
+                       return;
+               }
+
+               PsndOut = (void *)sndbuff;
+               PicoWriteSound = 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_validate_config(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(FILE *f, int size)
+{
+       return 128;
+}
+
+void mp3_start_play(FILE *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; }
+