diff --git a/.gitignore b/.gitignore
index 3f539c05..c35abb3e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@ expected
 __pycache__
 .splat/
 starfox64.ld
+starfox64.uncompressed.ld
 starfox64.us.yaml
 *.d
 *_auto.ld
diff --git a/Makefile b/Makefile
index ec4bc315..f7104902 100644
--- a/Makefile
+++ b/Makefile
@@ -35,7 +35,8 @@ TARGET               := starfox64
 ### Output ###
 
 BUILD_DIR := build
-ROM       := $(BUILD_DIR)/$(TARGET).$(VERSION).z64
+ROM       := $(BUILD_DIR)/$(TARGET).$(VERSION).uncompressed.z64
+ROMC 	  := $(BUILD_DIR)/$(TARGET).$(VERSION).z64
 ELF       := $(BUILD_DIR)/$(TARGET).$(VERSION).elf
 LD_MAP    := $(BUILD_DIR)/$(TARGET).$(VERSION).map
 LD_SCRIPT := linker_scripts/$(VERSION)/$(TARGET).ld
@@ -93,7 +94,9 @@ ASM_PROC_FLAGS  := --input-enc=utf-8 --output-enc=euc-jp --convert-statics=globa
 SPLAT           ?= tools/splat/split.py
 SPLAT_YAML      ?= $(TARGET).$(VERSION).yaml
 
+COMPTOOL		:= tools/comptool.py
 
+PYTHON			:= python3
 
 IINC := -Iinclude -Ibin/$(VERSION) -I.
 IINC += -Ilib/ultralib/include -Ilib/ultralib/include/PR -Ilib/ultralib/include/ido
@@ -188,23 +191,34 @@ build/src/libultra/2D300.o: OPTFLAGS := -O1 -g0
 # cc & asm-processor
 build/src/%.o: CC := $(ASM_PROC) $(ASM_PROC_FLAGS) $(CC) -- $(AS) $(ASFLAGS) --
 
-all: uncompressed
+all: uncompressed compressed
 
 init:
 	$(MAKE) clean
+	$(MAKE) decompress
 	$(MAKE) extract -j $(nproc)
 	$(MAKE) all -j $(nproc)
+#	$(MAKE) compress
+# TODO: COMPRESS resulting rom.
 
 uncompressed: $(ROM)
 ifneq ($(COMPARE),0)
 	@md5sum $(ROM)
+	@md5sum -c $(TARGET).$(VERSION).uncompressed.md5
+endif
+
+compressed: $(ROMC)
+ifeq ($(COMPARE),1)
+	@md5sum $(ROMC)
 	@md5sum -c $(TARGET).$(VERSION).md5
 endif
 
-
-
 #### Main Targets ###
 
+decompress: baserom.us.z64
+	@echo "Decompressing ROM..."
+	@$(PYTHON) $(COMPTOOL) -d $(BASEROM) ./baserom.us.uncompressed.z64
+
 extract:
 	$(RM) -r asm/$(VERSION) bin/$(VERSION)
 	$(CAT) yamls/$(VERSION)/header.yaml yamls/$(VERSION)/makerom.yaml yamls/$(VERSION)/main.yaml > $(SPLAT_YAML)
@@ -233,6 +247,11 @@ expected:
 
 $(ROM): $(ELF)
 	$(OBJCOPY) -O binary $< $@
+
+$(ROMC): baserom.us.uncompressed.z64
+	@echo "Compressing ROM..."
+	@$(PYTHON) $(COMPTOOL) -c ./baserom.us.uncompressed.z64 ./build/starfox64.us.z64
+
 # TODO: update rom header checksum
 
 # TODO: avoid using auto/undefined
diff --git a/starfox64.us.md5 b/starfox64.us.md5
index ec4f9c18..e4f33584 100644
--- a/starfox64.us.md5
+++ b/starfox64.us.md5
@@ -1 +1 @@
-23e24fb0f090c6c0b3793a96169dce51 ./build/starfox64.us.z64
\ No newline at end of file
+741a94eee093c4c8684e66b89f8685e8 ./build/starfox64.us.z64
\ No newline at end of file
diff --git a/starfox64.us.uncompressed.md5 b/starfox64.us.uncompressed.md5
new file mode 100644
index 00000000..2746c21b
--- /dev/null
+++ b/starfox64.us.uncompressed.md5
@@ -0,0 +1 @@
+23e24fb0f090c6c0b3793a96169dce51 ./build/starfox64.us.uncompressed.z64
\ No newline at end of file
diff --git a/tools/comptool.py b/tools/comptool.py
index e8ce9ce5..688f8ea7 100644
--- a/tools/comptool.py
+++ b/tools/comptool.py
@@ -154,7 +154,7 @@ def decompress(baserom, decomprom, mio0, extract_dest=None):
 
             p_file_size = p_file_end - p_file_begin
             
-            # print(v_file_begin, p_file_begin, p_file_end, comp_flag)
+            #print(v_file_begin, p_file_begin, p_file_end, comp_flag)
 
             if(v_file_begin == 0 and p_file_end == 0):
                 break
diff --git a/yamls/us/header.yaml b/yamls/us/header.yaml
index 01ee18b4..6d37eb99 100644
--- a/yamls/us/header.yaml
+++ b/yamls/us/header.yaml
@@ -1,13 +1,10 @@
 name: Starfox64 (North America)
-# baserom compressed
-# sha1: 09f0d105f476b00efa5303a3ebc42e60a7753b7a
-# baserom uncompressed
-sha1: f7475fb11e7e6830f82883412638e8390791ab87
+sha1: f7475fb11e7e6830f82883412638e8390791ab87 # baserom uncompressed
 options:
   basename: starfox64
   target_path: baserom.us.uncompressed.z64
-  elf_path: build/starfox64.elf
-  ld_script_path: linker_scripts/us/starfox64.ld
+  elf_path: build/starfox64.uncompressed.elf
+  ld_script_path: linker_scripts/us/starfox64.uncompressed.ld
   base_path: .
   compiler: IDO
   find_file_boundaries: True
diff --git a/yamls/us/starfox64.us.yaml.old b/yamls/us/starfox64.us.yaml.old
deleted file mode 100755
index 3bcafa56..00000000
--- a/yamls/us/starfox64.us.yaml.old
+++ /dev/null
@@ -1,102 +0,0 @@
-name: Starfox64 (North America)
-sha1: 09f0d105f476b00efa5303a3ebc42e60a7753b7a
-options:
-  basename: starfox64
-  target_path: baserom.us.z64
-  elf_path: build/starfox64.elf
-  ld_script_path: linker_scripts/us/starfox64.ld
-  base_path: .
-  compiler: IDO
-  find_file_boundaries: True
-  header_encoding: ASCII
-  platform: n64
-  undefined_funcs_auto_path: linker_scripts/us/auto/undefined_funcs_auto.ld
-  undefined_syms_auto_path: linker_scripts/us/auto/undefined_syms_auto.ld
-
-  symbol_addrs_path: 
-    - linker_scripts/us/symbol_addrs.txt
-    - linker_scripts/us/symbol_addrs_libultra.txt
-    - linker_scripts/us/ignored_addresses.txt
-  reloc_addrs_path:
-    - relocs/reloc_addrs.us.txt
-
-  asm_path: asm/us
-  src_path: src
-  asset_path: bin/us
-
-  build_path: build
-
-  extensions_path: tools/splat_ext
-  mips_abi_float_regs: o32
-  create_asm_dependencies: True
-  do_c_func_detection: True
-  o_as_suffix: True
-  gfx_ucode: f3dex
-  mnemonic_ljust: 12
-  rom_address_padding: True
-  dump_symbols: True
-  include_macro_inc: False
-  libultra_symbols: True
-  hardware_regs: True
-
-  ld_dependencies: True
-
-
-  use_legacy_include_asm: False
-
-  asm_function_macro: glabel
-  asm_jtbl_label_macro: jlabel
-  asm_data_macro: dlabel
-
-  # section_order: [".text", ".data", ".rodata", ".bss"]
-  # auto_all_sections: [".data", ".rodata", ".bss"]
-
-  
-
-  
-
-  
-
-  disasm_unknown: True
-  # string_encoding: ASCII
-  # data_string_encoding: ASCII
-  rodata_string_guesser_level: 2
-  data_string_guesser_level: 2
-  # libultra_symbols: True
-  # hardware_regs: True
-  # gfx_ucode: # one of [f3d, f3db, f3dex, f3dexb, f3dex2]
-segments:
-  - name: header
-    type: header
-    start: 0x0
-
-  - name: boot
-    type: bin
-    start: 0x40
-
-  - name: entry
-    type: code
-    start: 0x1000
-    vram: 0x80000400
-    subsegments:
-      - [0x1000, asm]
-
-  - name: main
-    type: code
-    start: 0x1050
-    vram: 0x80000450
-    follows_vram: entry
-    bss_size: 0x9B1F0
-    subsegments:
-      - [0x1050, bin]
-      - [0x1270, bin]
-      - [0x3440, asm] #func_80002840
-      - [0x35A8, asm]
-      - [0xC3EE0, data]
-      - [0xC8E40, rodata]
-      - { start: 0xDE480, type: bss, vram: 0x800DD880 }
-
-  - type: bin
-    start: 0xDE480
-    follows_vram: main
-  - [0xC00000]