diff --git a/Makefile b/Makefile
index d7ab188..9683a0c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,17 +1,17 @@
-default: show_usage
-
-# How to use this Makefile
-# Method 1) Select a microcode, just run e.g. `make F3DZEX_NoN_2.06H`
-# Method 2) `make ok`, builds all ucodes which have MD5 sums, to check if :OK:
-# Method 3) `make all`, builds all ucodes in database
-# Method 4) Custom microcode build via custom.mk file. Create a file custom.mk
-# with contents like this:
-# NAME := your_custom_ucode_name
-# GAMES := Your Romhack Name
-# ID_STR := Modded F3DZEX by LeEtHaCkEr64 / Real N64 or RSP LLE only. NO PROJECT64
-#           ^ (this must be the exact number of characters)
-# CFG_NoN := 1
-# etc. You only need to set the options you want to enable. Then run `make custom`.
+default:
+	@echo "How to use this Makefile"
+	@echo "Method 1) Select a microcode, just run e.g. `make F3DZEX_NoN_2.06H`"
+	@echo "Method 2) `make ok`, builds all ucodes which have MD5 sums, to check if :OK:"
+	@echo "Method 3) `make all`, builds all ucodes in database"
+	@echo "Method 4) Custom microcode build via custom.mk file. Create a file custom.mk"
+	@echo "with contents like this:"
+	@echo "NAME := your_custom_ucode_name"
+	@echo "GAMES := Your Romhack Name"
+	@echo "ID_STR := Modded F3DZEX by LeEtHaCkEr64 / Real N64 or RSP LLE only. NO PROJECT64"
+	@echo "          ^ (this must be the exact number of characters)"
+	@echo "CFG_NoN := 1"
+	@echo "etc. You only need to set the options you want to enable. Then run `make custom`."
+	@echo "See the Makefile for the list of options."
 
 # The default is all of these options as 0 (or unset). With the defaults, you
 # get 2.08, which has none of the bugs / the latest versions of everything,
@@ -30,9 +30,9 @@ ALL_OPTIONS := \
   BUG_CLIPPING_FAIL_WHEN_SUM_ZERO \
   BUG_NO_CLAMP_SCREEN_Z_POSITIVE \
   BUG_TEXGEN_LINEAR_CLOBBER_S_T \
+  BUG_WRONG_INIT_VZERO \
   BUG_HARMLESS_EXTRA_INIT_VONE \
-  BUG_HARMLESS_TASKDONE_WRONG_ADDR \
-  BUG_WRONG_INIT_VZERO
+  BUG_HARMLESS_TASKDONE_WRONG_ADDR
   
 ARMIPS ?= armips
 PARENT_OUTPUT_DIR ?= ./
@@ -47,17 +47,13 @@ SUCCESS := $(GREEN)
 FAILURE := $(RED)
 WARNING := $(YELLOW)
 
-define reset_option
-  $(1) := 0
-endef
-
 define reset_all_options
   NAME := 
   GAMES := (Not used in any retail games)
   ID_STR := Custom F3DEX2-based microcode, github.com/Mr-Wiseguy/f3dex2 & Nintendo
   MD5_CODE := NONE
   MD5_DATA := NONE
-  $(foreach option,$(ALL_OPTIONS),$(eval $(call reset_option,$(option))))
+  $(foreach option,$(ALL_OPTIONS),$(eval $(option) := 0))
 endef
 
 $(PARENT_OUTPUT_DIR):
@@ -69,6 +65,7 @@ else
 endif
 ALL_UCODES :=
 ALL_UCODES_WITH_MD5S :=
+ALL_OUTPUT_DIRS :=
 
 define ucode_rule
   ifeq ($(NAME),)
@@ -86,7 +83,9 @@ define ucode_rule
   ifneq ($(MD5_CODE),NONE)
    ALL_UCODES_WITH_MD5S += $(NAME)
   endif
-  TODO OPTIONS_AS_EQU
+  ALL_OUTPUT_DIRS += $(UCODE_OUTPUT_DIR)
+  OPTIONS_AS_EQU :=
+  $(foreach option,$(ALL_OPTIONS),$(eval OPTIONS_AS_EQU += -equ $(option) $($(option))))
   ARMIPS_CMDLINE := \
    -strequ DATA_FILE $(DATA_FILE) \
    -strequ CODE_FILE $(CODE_FILE) \
@@ -101,6 +100,7 @@ define ucode_rule
    TARGET_NAME := $(NAME)
   endif
   # Phony target rule
+  .PHONY: $(TARGET_NAME)
   $(TARGET_NAME): $(CODE_FILE) $(DATA_FILE)
   # Output directory rule
   $(UCODE_OUTPUT_DIR): | $(PARENT_OUTPUT_DIR)
@@ -113,7 +113,8 @@ define ucode_rule
   # File build rule
   $(CODE_FILE) $(DATA_FILE) $(SYM_FILE) $(TEMP_FILE): ./f3dex2.s ./rsp/* $(UCODE_OUTPUT_DIR)
 	@printf "$(INFO)Building microcode: $(NAME) for $(GAMES)$(NO_COL)\n"
-	@$(ARMIPS) $(ARMIPS_CMDLINE)
+	@echo $(ARMIPS) $(ARMIPS_CMDLINE)
+	#@$(ARMIPS) $(ARMIPS_CMDLINE)
   ifneq ($(MD5_CODE),NONE)
 	@(printf "$(MD5_CODE) *$(CODE_FILE)" | md5sum --status -c -) && printf "  $(SUCCESS)$(NAME) code matches$(NO_COL)\n" || printf "  $(FAILURE)$(NAME) code differs$(NO_COL)\n"
 	@(printf "$(MD5_DATA) *$(DATA_FILE)" | md5sum --status -c -) && printf "  $(SUCCESS)$(NAME) data matches$(NO_COL)\n" || printf "  $(FAILURE)$(NAME) data differs$(NO_COL)\n"
@@ -130,8 +131,9 @@ ifneq ("$(wildcard custom.mk)","")
   include custom.mk
   $(eval $(call ucode_rule,1))
 else
+  .PHONY: custom
   custom:
-	@printf "To use make custom, create a file custom.mk containing your"
+	@printf "To use `make custom`, create a file custom.mk containing your"
 	@printf "desired configuration. See the Makefile for more details."
 endif
 
@@ -163,6 +165,7 @@ BUG_NO_CLAMP_SCREEN_Z_POSITIVE := 1
 BUG_TEXGEN_LINEAR_CLOBBER_S_T := 1
 BUG_HARMLESS_EXTRA_INIT_VONE := 1
 BUG_HARMLESS_TASKDONE_WRONG_ADDR := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DEX2_2.07
 GAMES := Rocket: Robot on Wheels
@@ -170,6 +173,7 @@ ID_STR := RSP Gfx ucode F3DEX       fifo 2.07  Yoshitaka Yasumoto 1998 Nintendo.
 MD5_CODE := 1523b8e38a9eae698b48909a0c0c0279
 MD5_DATA := 25be72ec04e2e6a23dfa7666645f0662
 BUG_HARMLESS_EXTRA_INIT_VONE := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DEX2_2.07_XBUS
 GAMES := Lode Runner 3-D
@@ -179,17 +183,20 @@ MD5_DATA := 71436bdc62d9263d5c2fefa783cffd4f
 CFG_XBUS := 1
 BUG_HARMLESS_EXTRA_INIT_VONE := 1
 BUG_HARMLESS_TASKDONE_WRONG_ADDR := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DEX2_NoN_2.07
 ID_STR := RSP Gfx ucode F3DEX.NoN   fifo 2.07  Yoshitaka Yasumoto 1998 Nintendo.
 CFG_NoN := 1
 BUG_HARMLESS_EXTRA_INIT_VONE := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DEX2_2.08
 GAMES := Banjo-Tooie
 ID_STR := RSP Gfx ucode F3DEX       fifo 2.08  Yoshitaka Yasumoto 1999 Nintendo.
 MD5_CODE := 6ccf5fc392e440fb23bc7d7f7d71047c
 MD5_DATA := 3a3a406acb4295d33fa6e918dd3a7ae4
+$(eval $(call ucode_rule,0))
 
 NAME := F3DEX2_2.08_XBUS
 GAMES := Power Rangers
@@ -198,12 +205,14 @@ MD5_CODE := 38cbd8ef2cd168141347047cf7ec4fba
 MD5_DATA := dcb9a145381557d146683ddb853c6cfd
 CFG_XBUS := 1
 BUG_HARMLESS_TASKDONE_WRONG_ADDR := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DEX2_NoN_2.08
 ID_STR := RSP Gfx ucode F3DEX.NoN   fifo 2.08  Yoshitaka Yasumoto 1999 Nintendo.
 MD5_CODE := b5c366b55a032f232aa309cda21be3d7
 MD5_DATA := 2c8dedc1b1e2fe6405c9895c4290cf2b
 CFG_NoN := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DEX2_2.08PL
 GAMES := Paper Mario
@@ -211,11 +220,13 @@ ID_STR := RSP Gfx ucode F3DEX       fifo 2.08  Yoshitaka Yasumoto/Kawasedo 1999.
 MD5_CODE := 6a5117e62e51d87020fb81dc493efcb6
 MD5_DATA := 1a6b826322aab9c93da61356af5ead40
 CFG_POINT_LIGHTING := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DEX2_NoN_2.08PL
 ID_STR := RSP Gfx ucode F3DEX       fifo 2.08  Yoshitaka Yasumoto/Kawasedo 1999.
 CFG_NoN := 1
 CFG_POINT_LIGHTING := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DZEX_2.06H
 ID_STR := RSP Gfx ucode F3DZEX.NoN  fifo 2.06H Yoshitaka Yasumoto 1998 Nintendo.
@@ -224,6 +235,7 @@ CFG_NoN := 1
 CFG_OLD_TRI_WRITE := 1
 BUG_WRONG_INIT_VZERO := 1
 BUG_HARMLESS_EXTRA_INIT_VONE := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DZEX_NoN_2.06H
 GAMES := Ocarina of Time
@@ -235,6 +247,7 @@ CFG_NoN := 1
 CFG_OLD_TRI_WRITE := 1
 BUG_WRONG_INIT_VZERO := 1
 BUG_HARMLESS_EXTRA_INIT_VONE := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DZEX_2.08I
 ID_STR := RSP Gfx ucode F3DZEX.NoN  fifo 2.08I Yoshitaka Yasumoto/Kawasedo 1999.
@@ -242,6 +255,7 @@ CFG_G_BRANCH_W := 1
 CFG_NoN := 1
 CFG_POINT_LIGHTING := 1
 BUG_WRONG_INIT_VZERO := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DZEX_NoN_2.08I
 GAMES := Majora's Mask
@@ -252,12 +266,14 @@ CFG_G_BRANCH_W := 1
 CFG_NoN := 1
 CFG_POINT_LIGHTING := 1
 BUG_WRONG_INIT_VZERO := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DZEX_2.08J
 ID_STR := RSP Gfx ucode F3DZEX.NoN  fifo 2.08J Yoshitaka Yasumoto/Kawasedo 1999.
 CFG_G_BRANCH_W := 1
 CFG_NoN := 1
 CFG_POINT_LIGHTING := 1
+$(eval $(call ucode_rule,0))
 
 NAME := F3DZEX_NoN_2.08J
 GAMES := Animal Forest
@@ -267,3 +283,14 @@ MD5_DATA := f17544afa0dce84d589ec3d8c38254c7
 CFG_G_BRANCH_W := 1
 CFG_NoN := 1
 CFG_POINT_LIGHTING := 1
+$(eval $(call ucode_rule,0))
+
+.PHONY: default ok all clean
+
+all: $(ALL_UCODES)
+
+ok: $(ALL_UCODES_WITH_MD5S)
+
+clean:
+	@printf "$(WARNING)Deleting all built microcode files$(NO_COL)\n"
+	@echo "rm -rf ${ALL_OUTPUT_DIRS}"