merge remote-tracking branch 'notaz/master'
[pcsx_rearmed.git] / frontend / libretro.c
index 7fa63cb..a5ec2c2 100644 (file)
@@ -22,6 +22,7 @@
 #include "../libpcsxcore/cdrom.h"
 #include "../libpcsxcore/cdriso.h"
 #include "../libpcsxcore/cheat.h"
+#include "../libpcsxcore/r3000a.h"
 #include "../plugins/dfsound/out.h"
 #include "../plugins/dfsound/spu_config.h"
 #include "../plugins/dfinput/externals.h"
@@ -57,7 +58,7 @@ static retro_input_poll_t input_poll_cb;
 static retro_input_state_t input_state_cb;
 static retro_environment_t environ_cb;
 static retro_audio_sample_batch_t audio_batch_cb;
-static struct retro_rumble_interface rumble;
+static retro_set_rumble_state_t rumble_cb;
 static struct retro_log_callback logging;
 static retro_log_printf_t log_cb;
 
@@ -430,10 +431,13 @@ void pl_timing_prepare(int is_pal)
 
 void plat_trigger_vibrate(int pad, int low, int high)
 {
-       if(in_enable_vibration)
+       if (!rumble_cb)
+               return;
+
+       if (in_enable_vibration)
        {
-       rumble.set_rumble_state(pad, RETRO_RUMBLE_STRONG, high << 8);
-       rumble.set_rumble_state(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
+               rumble_cb(pad, RETRO_RUMBLE_STRONG, high << 8);
+               rumble_cb(pad, RETRO_RUMBLE_WEAK, low ? 0xffff : 0x0);
     }
 }
 
@@ -462,16 +466,17 @@ void retro_set_environment(retro_environment_t cb)
 {
    static const struct retro_variable vars[] = {
       { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
+      { "pcsx_rearmed_bios", "Use BIOS; auto|HLE" },
       { "pcsx_rearmed_region", "Region; auto|NTSC|PAL" },
       { "pcsx_rearmed_memcard2", "Enable second memory card; disabled|enabled" },
-      { "pcsx_rearmed_pad1type", "Pad 1 Type; default|none|standard|analog|dualshock|negcon" },
-      { "pcsx_rearmed_pad2type", "Pad 2 Type; default|none|standard|analog|dualshock|negcon" },
-      { "pcsx_rearmed_pad3type", "Pad 3 Type; default|none|standard|analog|dualshock|negcon" },
-      { "pcsx_rearmed_pad4type", "Pad 4 Type; default|none|standard|analog|dualshock|negcon" },
-      { "pcsx_rearmed_pad5type", "Pad 5 Type; default|none|standard|analog|dualshock|negcon" },
-      { "pcsx_rearmed_pad6type", "Pad 6 Type; default|none|standard|analog|dualshock|negcon" },
-      { "pcsx_rearmed_pad7type", "Pad 7 Type; default|none|standard|analog|dualshock|negcon" },
-      { "pcsx_rearmed_pad8type", "Pad 8 Type; default|none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad1type", "Pad 1 Type; standard|analog|dualshock|negcon|none" },
+      { "pcsx_rearmed_pad2type", "Pad 2 Type; standard|analog|dualshock|negcon|none" },
+      { "pcsx_rearmed_pad3type", "Pad 3 Type; none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad4type", "Pad 4 Type; none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad5type", "Pad 5 Type; none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad6type", "Pad 6 Type; none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad7type", "Pad 7 Type; none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad8type", "Pad 8 Type; none|standard|analog|dualshock|negcon" },
       { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
       { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
       { "pcsx_rearmed_negcon_deadzone", "NegCon Twist Deadzone (percent); 0|5|10|15|20|25|30" },
@@ -480,6 +485,11 @@ void retro_set_environment(retro_environment_t cb)
       { "pcsx_rearmed_dithering", "Enable Dithering; enabled|disabled" },
 #ifndef DRC_DISABLE
       { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
+#ifdef HAVE_PRE_ARMV7
+      { "pcsx_rearmed_psxclock", "PSX cpu clock (default 50); 50|51|52|53|54|55|5657|58|59|60|61|62|63|64|65|66|67|68|69|70|71|72|73|74|75|76|77|78|79|80|81|82|83|84|85|86|87|88|89|90|91|92|93|94|95|96|97|98|99|100|30|31|32|33|34|35|36|37|38|39|40|41|42|43|44|45|46|47|48|49" },
+#else
+      { "pcsx_rearmed_psxclock", "PSX cpu clock (default 57); 57|58|59|60|61|62|63|64|65|66|67|68|69|70|71|72|73|74|75|76|77|78|79|80|81|82|83|84|85|86|87|88|89|90|91|92|93|94|95|96|97|98|99|100|30|31|32|33|34|35|36|37|38|39|40|41|42|43|44|45|46|47|48|49|50|51|52|53|54|55|56" },
+#endif
 #endif
 #ifdef __ARM_NEON__
       { "pcsx_rearmed_neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
@@ -809,7 +819,7 @@ void retro_cheat_set(unsigned index, bool enabled, const char *code)
        // cheat funcs are destructive, need a copy..
        strncpy(buf, code, sizeof(buf));
        buf[sizeof(buf) - 1] = 0;
-       
+
        //Prepare buffered cheat for PCSX's AddCheat fucntion.
        int cursor=0;
        int nonhexdec=0;
@@ -823,7 +833,7 @@ void retro_cheat_set(unsigned index, bool enabled, const char *code)
                }
                cursor++;
        }
-       
+
 
        if (index < NumCheats)
                ret = EditCheat(index, "", buf);
@@ -1286,7 +1296,10 @@ bool retro_load_game(const struct retro_game_info *info)
                return false;
        }
 
-       SysReset();
+       /* TODO: Calling SysReset() outside retro_run for some system
+        * causes RetroArch to freeze, e.g Ludo */
+       //SysReset();
+       rebootemu = 1;
 
        if (LoadCdrom() == -1) {
                log_cb(RETRO_LOG_INFO, "could not load CD\n");
@@ -1568,7 +1581,7 @@ static void update_variables(bool in_flight)
    }
    else{
       //not yet running
-      
+
       //bootlogo display hack
       if (found_bios) {
          var.value = "NULL";
@@ -1576,9 +1589,20 @@ static void update_variables(bool in_flight)
          if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
          {
             if (strcmp(var.value, "enabled") == 0)
-               rebootemu = 1;
+               Config.SlowBoot = 1;
+            else
+               Config.SlowBoot = 0;
          }
       }
+#ifndef DRC_DISABLE
+      var.value = "NULL";
+      var.key = "pcsx_rearmed_psxclock";
+      if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+      {
+         int psxclock = atoi(var.value);
+         cycle_multiplier = 10000 / psxclock;
+      }
+#endif
    }
 }
 
@@ -1616,12 +1640,16 @@ static uint16_t get_analog_button(retro_input_state_t input_state_cb, int player
 
 void retro_run(void)
 {
-    int i;
-    //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
-    if(rebootemu != 0){
-      rebootemu = 0;
-      SysReset();
-    }
+       int i;
+       //SysReset must be run while core is running,Not in menu (Locks up Retroarch)
+       if (rebootemu != 0) {
+               rebootemu = 0;
+               SysReset();
+               if (!Config.HLE && !Config.SlowBoot) {
+                       // skip BIOS logos
+                       psxRegs.pc = psxRegs.GPR.n.ra;
+               }
+       }
 
        input_poll_cb();
 
@@ -1853,9 +1881,12 @@ static int init_memcards(void)
        struct retro_variable var = { .key="pcsx_rearmed_memcard2", .value=NULL };
        static const char CARD2_FILE[] = "pcsx-card2.mcd";
 
-       McdDisable[0] = 0;
-       // Disable memcard 2 by default
-       McdDisable[1] = 1;
+       // Memcard2 will be handled and is re-enabled if needed using core
+       // operations.
+       // Memcard1 is handled by libretro, doing this will set core to
+       // skip file io operations for memcard1 like SaveMcd
+       snprintf(Config.Mcd1, sizeof(Config.Mcd1), "none");
+       snprintf(Config.Mcd2, sizeof(Config.Mcd2), "none");
        init_memcard(Mcd1Data);
        // Memcard 2 is managed by the emulator on the filesystem,
        // There is no need to initialize Mcd2Data like Mcd1Data.
@@ -1881,17 +1912,69 @@ static int init_memcards(void)
        return ret;
 }
 
-void retro_init(void)
+static void loadPSXBios(void)
 {
-       const char *bios[] = {
-               "SCPH101", "SCPH7001", "SCPH5501", "SCPH1001",
-               "scph101", "scph7001", "scph5501", "scph1001"
-       };
        const char *dir;
        char path[256];
-       int i, ret;
-   
-   found_bios = false;
+       unsigned useHLE = 0;
+
+       const char *bios[] = {
+               "SCPH101", "scph101",
+               "SCPH5501", "scph5501",
+               "SCPH7001", "scph7001",
+               "SCPH1001", "scph1001"
+       };
+
+       struct retro_variable var = {
+               .key = "pcsx_rearmed_bios",
+               .value = NULL
+       };
+
+       found_bios = 0;
+
+       if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+               if (!strcmp(var.value, "HLE"))
+                       useHLE = 1;
+       }
+
+       if (!useHLE)
+       {
+               if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
+               {
+                       unsigned i;
+                       snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
+
+                       for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
+                               snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
+                               found_bios = try_use_bios(path);
+                               if (found_bios)
+                                       break;
+                       }
+
+                       if (!found_bios)
+                               found_bios = find_any_bios(dir, path, sizeof(path));
+               }
+               if (found_bios) {
+                       SysPrintf("found BIOS file: %s\n", Config.Bios);
+               }
+       }
+
+       if (useHLE || !found_bios)
+       {
+               SysPrintf("no BIOS files found.\n");
+               struct retro_message msg =
+               {
+                       "No PlayStation BIOS file found - add for better compatibility",
+                       180
+               };
+               environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
+       }
+}
+
+void retro_init(void)
+{
+       struct retro_rumble_interface rumble;
+       int ret;
 
 #ifdef __MACH__
        // magic sauce to make the dynarec work on iOS
@@ -1909,7 +1992,7 @@ void retro_init(void)
    psxUnmapHook = pl_vita_munmap;
 #endif
        ret = emu_core_preinit();
-#ifdef _3DS 
+#ifdef _3DS
    /* emu_core_preinit sets the cpu to dynarec */
    if(!__ctr_svchax)
       Config.Cpu = CPU_INTERPRETER;
@@ -1929,40 +2012,17 @@ void retro_init(void)
 #else
        vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
 #endif
-  
-  vout_buf_ptr = vout_buf;
-  
-       if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
-       {
-               snprintf(Config.BiosDir, sizeof(Config.BiosDir), "%s", dir);
 
-               for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++) {
-                       snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
-                       found_bios = try_use_bios(path);
-                       if (found_bios)
-                               break;
-               }
+       vout_buf_ptr = vout_buf;
 
-               if (!found_bios)
-                       found_bios = find_any_bios(dir, path, sizeof(path));
-       }
-       if (found_bios) {
-               SysPrintf("found BIOS file: %s\n", Config.Bios);
-       }
-       else
-       {
-               SysPrintf("no BIOS files found.\n");
-               struct retro_message msg =
-               {
-                       "No PlayStation BIOS file found - add for better compatibility",
-                       180
-               };
-               environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
-       }
+       loadPSXBios();
 
        environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
        environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
-       environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble);
+
+       rumble_cb = NULL;
+       if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
+               rumble_cb = rumble.set_rumble_state;
 
        /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
         * we have to do this because cache misses and some IO penalties