add a hack for Decap Attack

[picodrive.git] / platform / libretro / libretro.c

diff --git a/platform/libretro/libretro.c b/platform/libretro/libretro.c
index 99f0f3b..9111048 100644 (file)
--- a/platform/libretro/libretro.c
+++ b/platform/libretro/libretro.c
@@ -79,11 +79,7 @@ static void *vout_buf;
 static int vout_width, vout_height, vout_offset;
 static float user_vout_width = 0.0;
 
-#ifdef _MSC_VER
-static short sndBuffer[2*44100/50];
-#else
-static short __attribute__((aligned(4))) sndBuffer[2*44100/50];
-#endif
+static short ALIGNED(4) sndBuffer[2*44100/50];
 
 static void snd_write(int len);
 
@@ -375,7 +371,7 @@ void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
    int flags = MAP_PRIVATE | MAP_ANONYMOUS;
    void *req, *ret;
 
-   req = (void *)addr;
+   req = (void *)(uintptr_t)addr;
    ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0);
    if (ret == MAP_FAILED) {
       if (log_cb)
@@ -383,7 +379,7 @@ void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
       return NULL;
    }
 
-   if (addr != 0 && ret != (void *)addr) {
+   if (addr != 0 && ret != (void *)(uintptr_t)addr) {
       if (log_cb)
          log_cb(RETRO_LOG_WARN, "warning: wanted to map @%08lx, got %p\n",
                addr, ret);
@@ -451,7 +447,8 @@ int plat_mem_set_exec(void *ptr, size_t size)
 {
    int ret = -1;
 #ifdef _WIN32
-   ret = VirtualProtect(ptr, size, PAGE_EXECUTE_READWRITE, 0);
+   DWORD oldProtect = 0;
+   ret = VirtualProtect(ptr, size, PAGE_EXECUTE_READWRITE, &oldProtect);
    if (ret == 0 && log_cb)
       log_cb(RETRO_LOG_ERROR, "VirtualProtect(%p, %d) failed: %d\n", ptr, (int)size,
              GetLastError());
@@ -1088,9 +1085,9 @@ bool retro_load_game(const struct retro_game_info *info)
 
    PicoLoopPrepare();
 
-   PicoWriteSound = snd_write;
+   PicoIn.writeSound = snd_write;
    memset(sndBuffer, 0, sizeof(sndBuffer));
-   PsndOut = sndBuffer;
+   PicoIn.sndOut = sndBuffer;
    PsndRerate(0);
 
    return true;
@@ -1193,7 +1190,7 @@ static const unsigned short retro_pico_map[] = {
 
 static void snd_write(int len)
 {
-   audio_batch_cb(PsndOut, len / 4);
+   audio_batch_cb(PicoIn.sndOut, len / 4);
 }
 
 static enum input_device input_name_to_val(const char *name)
@@ -1375,7 +1372,7 @@ void retro_init(void)
 #endif
       PicoIn.opt |= POPT_EN_DRC;
 #endif
-   PsndRate = 44100;
+   PicoIn.sndRate = 44100;
    PicoIn.autoRgnOrder = 0x184; // US, EU, JP
 
    vout_width = 320;
@@ -1390,9 +1387,9 @@ void retro_init(void)
    PicoDrawSetOutFormat(PDF_RGB555, 0);
    PicoDrawSetOutBuf(vout_buf, vout_width * 2);
 
-   //PicoMessage = plat_status_msg_busy_next;
-   PicoMCDopenTray = disk_tray_open;
-   PicoMCDcloseTray = disk_tray_close;
+   //PicoIn.osdMessage = plat_status_msg_busy_next;
+   PicoIn.mcdTrayOpen = disk_tray_open;
+   PicoIn.mcdTrayClose = disk_tray_close;
 
    update_variables();
 }