Add CountPerOpDenomPot (Overclock)

custom/mupen64plus-next_common.h

@@ -115,6 +115,7 @@ extern uint32_t EnableFrameDuping;
 extern uint32_t EnableLODEmulation;
 extern uint32_t EnableFullspeed;
 extern uint32_t CountPerOp;
+extern uint32_t CountPerOpDenomPot;
 extern uint32_t CountPerScanlineOverride;
 extern uint32_t BackgroundMode;
 extern uint32_t EnableEnhancedTextureStorage;

libretro/libretro.c

@@ -206,6 +206,7 @@ uint32_t OverscanBottom = 0;
 
 uint32_t EnableFullspeed = 0;
 uint32_t CountPerOp = 0;
+uint32_t CountPerOpDenomPot = 0;
 uint32_t CountPerScanlineOverride = 0;
 uint32_t ForceDisableExtraMem = 0;
 uint32_t IgnoreTLBExceptions = 0;
@@ -1299,6 +1300,13 @@ static void update_variables(bool startup)
           CountPerOp = atoi(var.value);
        }
        
+       var.key = CORE_NAME "-CountPerOpDenomPot";
+       var.value = NULL;
+       if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+       {
+          CountPerOpDenomPot = atoi(var.value);
+       }
+
        if(EnableFullspeed)
        {
           CountPerOp = 1; // Force CountPerOp == 1

libretro/libretro_core_options.h

@@ -1455,6 +1455,30 @@ struct retro_core_option_v2_definition option_defs_us[] = {
         },
         "0"
     },
+    {
+        CORE_NAME "-CountPerOpDenomPot",
+        "Count Per Op Divider (Overclock)",
+        NULL,
+        "Denominator for Count per Op (allowing sub-1 Count per Op in practice). Changing this can break stuff!",
+        NULL,
+        NULL,
+        {
+            {"0", NULL},
+            {"1", NULL},
+            {"2", NULL},
+            {"3", NULL},
+            {"4", NULL},
+            {"5", NULL},
+            {"6", NULL},
+            {"7", NULL},
+            {"8", NULL},
+            {"9", NULL},
+            {"10", NULL},
+            {"11", NULL},
+            { NULL, NULL },
+        },
+        "0"
+    },
     {
         CORE_NAME "-astick-deadzone",
         "Analog Deadzone (percent)",

mupen64plus-core/src/main/main.c

@@ -1316,7 +1316,7 @@ m64p_error main_run(void)
     randomize_interrupt = 0; // We don't want this right now
     no_compiled_jump = 0;
     count_per_op = CountPerOp;
-    count_per_op_denom_pot = 0;
+    count_per_op_denom_pot = CountPerOpDenomPot;
     disable_extra_mem = ROM_SETTINGS.disableextramem;
 
     uint16_t eeprom_type = JDT_NONE;