diff --git a/build.bat b/build.bat
index 618af27..3f135f8 100644
--- a/build.bat
+++ b/build.bat
@@ -6,6 +6,8 @@ if not exist ".\build" mkdir ".\build"
 
 pushd .\build
 
-cl ..\src\main.c /Feapp.exe /nologo
+set links= kernel32.lib
+
+cl ..\src\eightysix.c /Feeightysix.exe /nologo /link %links%
 
 popd .\build
diff --git a/docs/8086-manual.pdf b/docs/appendix/8086-manual.pdf
similarity index 100%
rename from docs/8086-manual.pdf
rename to docs/appendix/8086-manual.pdf
diff --git a/docs/tasks b/docs/tasks
new file mode 100644
index 0000000..e511749
--- /dev/null
+++ b/docs/tasks
@@ -0,0 +1,14 @@
+
+Tasks
+ - [ ] finish the 'simple' arena implementation.
+   - [ ] arena_alloc
+   - [ ] arena_release
+ - [ ] String8 implementation
+   - [ ] String8Node and String8List.
+     - [ ] push node
+     - [ ] list join
+   - [ ] Convert cstring to String8.
+   - [ ] Convert String8 to cstring.
+ - [ ] Read/Write to file.
+ - [ ] Create CLI output.
+ - [ ] Testcases?
diff --git a/src/eightysix.c b/src/eightysix.c
new file mode 100644
index 0000000..18a8036
--- /dev/null
+++ b/src/eightysix.c
@@ -0,0 +1,23 @@
+j
+//= rhjr: [h]
+
+#include "eightysix.h"
+#include "win32_platform.h"
+
+//= rhjr: [c]
+
+#include "win32_platform.c"
+
+u8 backing_buffer[2048];
+
+int
+main(void)
+{
+  Arena arena = {0};
+  arena.backing_buffer = &backing_buffer[0];
+  arena.offset = 0;
+  arena.size = 2048;
+
+
+  return 0;
+}
diff --git a/src/eightysix.h b/src/eightysix.h
new file mode 100644
index 0000000..6f23ff5
--- /dev/null
+++ b/src/eightysix.h
@@ -0,0 +1,53 @@
+#ifndef EIGHTYSIX_CORE_H
+#define EIGHTYSIX_CORE_H
+
+#include <stdio.h>
+#include <stdint.h>
+
+//= rhjr: types
+
+typedef uint8_t  u8;
+typedef uint16_t u16;
+typedef uint32_t u32;
+typedef uint64_t u64;
+
+typedef int8_t   i8;
+typedef int16_t  i16;
+typedef int32_t  i32;
+typedef int64_t  i64;
+
+typedef uint8_t  b8;
+typedef uint16_t b16;
+typedef uint32_t b32;
+typedef uint64_t b64;
+
+#define internal static
+#define global   static
+
+typedef struct String8
+{
+  u8* contents;
+  i32 length;
+}
+String8;
+
+//= rhjr: allocator
+
+typedef struct Arena
+{
+  u8 *backing_buffer;
+  i32 offset;
+  i32 size;
+}
+Arena;
+
+//= rhjr: instructions.
+// Intel 8086 manual, pg. 4-22
+
+typedef enum InstrOpcode
+{
+  InstrOpcode_MOV = 0x22 // 0010 0010
+}
+InstrOpcode;
+
+#endif // EIGHTYSIX_CORE_H
diff --git a/src/main.c b/src/main.c
deleted file mode 100644
index 77bc677..0000000
--- a/src/main.c
+++ /dev/null
@@ -1,5 +0,0 @@
-int
-main(void)
-{
-  return 0;
-}
diff --git a/src/win32_platform.c b/src/win32_platform.c
new file mode 100644
index 0000000..7aa2186
--- /dev/null
+++ b/src/win32_platform.c
@@ -0,0 +1,8 @@
+
+String8 *
+platform_write_file()
+{
+  String8 *result;
+
+  return result;
+}
diff --git a/src/win32_platform.h b/src/win32_platform.h
new file mode 100644
index 0000000..02d301d
--- /dev/null
+++ b/src/win32_platform.h
@@ -0,0 +1,9 @@
+#ifndef WIN32_PLATFORM_H
+#define WIN32_PLATFORM_H
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+internal String8 * platform_write_file(Arena *arena);
+
+#endif // WIN32_PLATFORM_H
diff --git a/start.bat b/start.bat
index 0585435..3a72ce9 100644
--- a/start.bat
+++ b/start.bat
@@ -4,6 +4,6 @@ pushd "%~dp0"
 
 pushd build
 
-.\app.exe
+.\eightysix.exe
 
 popd