Rename lib_121e0 to memory.c, rename symbols, introduce MEMPOOL constants and improve documentation

src/include/constants.h

@@ -1138,8 +1138,15 @@
 #define MAX_SQUADRONS      16
 #define MAX_TEAMS          8
 
-#define MEMBANK_PRIMARY   0
-#define MEMBANK_SECONDARY 1
+#define MEMBANK_ONBOARD   0
+#define MEMBANK_EXPANSION 1
+
+#define MEMPOOL_0         0
+#define MEMPOOL_STAGE     4 // Cleared on stage load
+#define MEMPOOL_5         5
+#define MEMPOOL_PERMANENT 6 // Never cleared
+#define MEMPOOL_7         7
+#define MEMPOOL_8         8
 
 #define MENUDIALOGTYPE_DEFAULT 1
 #define MENUDIALOGTYPE_DANGER  2

src/include/gvars/gvars.h

@@ -415,8 +415,8 @@ extern u32 var8009520c;
 extern u32 var80095210;
 extern u32 var80099024;
 extern u32 var800992e4;
-extern struct memorypool g_PrimaryMemoryPools[9];
-extern struct memorypool g_SecondaryMemoryPools[9];
+extern struct memorypool g_OnboardMemoryPools[9];
+extern struct memorypool g_ExpansionMemoryPools[9];
 extern u32 var8009946c;
 extern u32 var80099470;
 extern u32 var80099474;

src/include/lib/memory.h

@@ -1,5 +1,5 @@
-#ifndef _IN_LIB_LIB_121E0_H
-#define _IN_LIB_LIB_121E0_H
+#ifndef _IN_LIB_MEMORY_H
+#define _IN_LIB_MEMORY_H
 #include <ultra64.h>
 #include "types.h"
 
@@ -13,7 +13,7 @@ s32 memReallocate(u32 allocation, s32 size, u8 poolnum);
 u32 memGetFree(u8 poolnum, u32 bank);
 void memResetPool(u8 pool);
 void memDisablePool(u8 pool);
-u32 func000125dc(void);
-u32 func00012644(void);
+u32 memAllocFromBankRight(void);
+u32 mallocFromRight(void);
 
 #endif

src/include/types.h

@@ -4896,9 +4896,9 @@ struct gecreditsdata {
 
 struct memorypool {
 	/*0x00*/ u32 start;
-	/*0x04*/ u32 nextallocation;
-	/*0x08*/ u32 end;
-	/*0x0c*/ u32 unk0c;
+	/*0x04*/ u32 leftpos;
+	/*0x08*/ u32 rightpos;
+	/*0x0c*/ u32 end;
 	/*0x10*/ u32 prevallocation;
 };