alheap

decompressed.us.yaml

@@ -327,7 +327,7 @@ segments:
       - [0x2133A90, c, code_133A90]
       - [0x2135D30, c, code_135D30]
       - [0x2136820, c, code_136820]
-      - [0x2137120, c, audio/code_137120]
+      - [0x2137120, c, audio/heap]
       - [0x21371D0, c, audio/code_1371D0]
       - [0x2137630, c, audio/code_137630]
       - [0x2137C10, c, audio/csplayer]

src/global_asm/audio/code_137120.c

@@ -1,31 +0,0 @@
-#include <ultra64.h>
-#include "functions.h"
-
-typedef struct global_asm_struct_2 {
-    u32 unk0;
-    u32 unk4;
-    u32 unk8;
-    u32 unkC;
-} GlobalASMStruct2;
-
-void func_global_asm_80732420(GlobalASMStruct2 *arg0, u32 arg1, u32 arg2) {
-    arg0->unk0 = arg1;
-    arg0->unk8 = arg2;
-    arg0->unk4 = arg0->unk0;
-    arg0->unkC = 0;
-}
-
-s32 func_global_asm_80732444(s32 arg0, s32 arg1, GlobalASMStruct2 *arg2, s32 arg3, s32 arg4) {
-    s32 sp4;
-    s32 sp0;
-
-    sp0 = 0;
-    sp4 = ((arg3 * arg4) + 0xF) & ~0xF;
-    if (!((arg2->unk4 + sp4) > (arg2->unk0 + arg2->unk8))) {
-        sp0 = arg2->unk4;
-        arg2->unk4 += sp4;
-    } else {
-
-    }
-    return sp0;
-}

src/global_asm/audio/heap.c

@@ -0,0 +1,59 @@
+#include <ultra64.h>
+#include "functions.h"
+
+typedef struct global_asm_struct_2 {
+    u32 unk0;
+    u32 unk4;
+    u32 unk8;
+    u32 unkC;
+} GlobalASMStruct2;
+
+void func_global_asm_80732420(ALHeap *hp, u8 *base, s32 len) {
+    // ALHeapInit
+    hp->base = base;
+    hp->len  = len;
+    hp->cur  = hp->base;
+    hp->count = 0;
+}
+
+void *func_global_asm_80732444(u8 *file, s32 line, ALHeap *hp, s32 num, s32 size) {
+    // alHeapDBAlloc
+
+    s32 bytes;
+    u8 *ptr = 0;
+
+    bytes = (num*size + AL_CACHE_ALIGN) & ~AL_CACHE_ALIGN;
+    
+    #ifdef _DEBUG
+        hp->count++;    
+        bytes += sizeof(HeapInfo);
+    #endif
+        
+    if ((hp->cur + bytes) <= (hp->base + hp->len)) {
+
+        ptr = hp->cur;
+        hp->cur += bytes;
+
+        #ifdef _DEBUG    
+                ((HeapInfo *)ptr)->magic = AL_HEAP_MAGIC;
+                ((HeapInfo *)ptr)->size  = bytes;
+                ((HeapInfo *)ptr)->count = hp->count;
+                if (file) {
+                    ((HeapInfo *)ptr)->file  = file;
+                    ((HeapInfo *)ptr)->line  = line;
+                } else {
+                    ((HeapInfo *)ptr)->file  = (u8 *) "unknown";
+                    ((HeapInfo *)ptr)->line  = 0;
+                }
+                
+                ptr += sizeof(HeapInfo);        
+        #endif
+
+    } else {
+        #ifdef _DEBUG
+                __osError(ERR_ALHEAPNOFREE, 1, size);
+        #endif        
+    }
+
+    return ptr;
+}