through InitHeapInternal

1 files changed, 118 insertions, 0 deletions

diff --git a/src/memory.c b/src/memory.c
new file mode 100644
index 0000000..1cf31f5
--- /dev/null
+++ b/src/memory.c
@@ -0,0 +1,118 @@
+
+// Includes
+#include "global.h"
+#include "code_800B540.h"
+
+// Static type declarations
+
+struct HeapInitArgs {
+    void *ptr;
+    u32 size;
+};
+
+// Static RAM declarations
+
+u32 gUnknown_2000EA8 = 0;
+u8 gUnknown_2000EB0[0x20] = {};
+u8 gUnknown_2000ED0[0x300] = {};
+u8 gUnknown_20011D0[0x24000] = {};
+
+// Static ROM declarations
+
+// .rodata
+
+// .text
+
+void InitHeapInternal(void);
+void DoInitHeap(void *a0, struct HeapInitArgs *args, void *a2, size_t a3);
+
+void InitHeap(void)
+{
+    InitHeapInternal();
+}
+
+void MemoryClear8(u8 *dst, int size)
+{
+    while (size > 0)
+    {
+        size -= 1;
+        *dst++ = 0;
+    }
+}
+
+void MemoryClear16(u16 *dst, int size)
+{
+    while (size > 0)
+    {
+        size -= 2;
+        *dst++ = 0;
+    }
+}
+
+void MemoryClear32(u32 *dst, int size)
+{
+    CpuClear(dst, size);
+}
+
+void MemoryFill8(u8 *dst, u8 val, int size)
+{
+    while (size > 0)
+    {
+        size -= 1;
+        *dst++ = val;
+    }
+}
+
+void MemoryFill16(u16 *dst, u16 val, int size)
+{
+    while (size > 0)
+    {
+        size -= 2;
+        *dst++ = val;
+    }
+}
+
+void MemoryFill32(u32 *dst, u32 val, int size)
+{
+    while (size > 0)
+    {
+        size -= 4;
+        *dst++ = val;
+    }
+}
+
+void MemoryCopy8(u8 *dst, const u8 *src, int size)
+{
+    while (size > 0)
+    {
+        size -= 1;
+        *dst++ = *src++;
+    }
+}
+
+void MemoryCopy16(u16 *dst, const u16 *src, int size)
+{
+    while (size > 0)
+    {
+        size -= 2;
+        *dst++ = *src++;
+    }
+}
+
+void MemoryCopy32(u32 *dst, const u32 *src, int size)
+{
+    while (size > 0)
+    {
+        size -= 4;
+        *dst++ = *src++;
+    }
+}
+
+void InitHeapInternal(void)
+{
+    struct HeapInitArgs args;
+    args.ptr = gUnknown_20011D0;
+    args.size = sizeof gUnknown_20011D0;
+    gUnknown_2000EA8 = 0;
+    DoInitHeap(gUnknown_2000EB0, &args, gUnknown_2000ED0, sizeof gUnknown_2000EB0);
+}