diff --git a/008.shift_blit/README.md b/008.shift_blit/README.md
index 20e43cc..94f986c 100644
--- a/008.shift_blit/README.md
+++ b/008.shift_blit/README.md
@@ -12,8 +12,6 @@ So the algorithm for drawing to non word aligned boundaries is as follows:
    4. We right shift the data by the difference in bits between the desired column and the word aligned column from (1).
    5. We make the line modulos #-2 so blitter object data is correctly fetched.
    
-
-
 [Download disk image](bin/shift_blit.adf?raw=true)
 
 Screenshot:
diff --git a/010.blit_speed/README.md b/010.blit_speed/README.md
index 0067967..f30ed81 100644
--- a/010.blit_speed/README.md
+++ b/010.blit_speed/README.md
@@ -19,7 +19,7 @@ Then in the main loop I now:
 .mainLoop:
         bsr.s  waitVerticalBlank
         bsr.s  installGreyscalePalette
-        move.l #4,d0 ; blit the object 4 times each frame
+        move.l #4,d0 ; blit the object 5 times each frame
 .blitLoop:
         bsr.s	 moveBlitterObject
         dbra	 d0,.blitLoop
@@ -35,7 +35,7 @@ The `NUM_COLORS` variable in the [Makefile](Makefile) sets the number of colors.
 -----------
 ![5 bitplanes](5bitplanes-screenshot.png?raw=true)
 
-At 5 bitplanes we don't have enough time to do 5 blits.
+At 5 bitplanes we have enough time to do 5 blits.
 
 4 bitplanes
 -----------
diff --git a/010.blit_speed/bin/anim_blit.adf b/010.blit_speed/bin/blit_speed.adf
similarity index 100%
rename from 010.blit_speed/bin/anim_blit.adf
rename to 010.blit_speed/bin/blit_speed.adf
diff --git a/Makefile b/Makefile
index 6c30eb7..adadee4 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,8 @@ SUBDIRS=tools/makeadf \
 	006.simple_blit\
 	007.masked_blit\
 	008.shift_blit\
-	009.anim_blit
+	009.anim_blit\
+	010.blit_speed
 
 .PHONY: subdirs $(SUBDIRS)
 
diff --git a/shared/base.mk b/shared/base.mk
index 8c52243..3f7dabd 100644
--- a/shared/base.mk
+++ b/shared/base.mk
@@ -44,7 +44,7 @@ out/main.o: $(MODULE) $(EXTRA)
 	@# -v
 	@#vc -c $< -o $@
 	@#-showopt -no-opt
-	vasmm68k_mot -Fhunk -phxass -opt-fconst -nowarn=62 -quiet $< -o $@ -I/usr/local/amiga/os-include
+	vasmm68k_mot $(VASM_EXTRA_ARGS) -Fhunk -phxass -opt-fconst -nowarn=62 -quiet $< -o $@ -I/usr/local/amiga/os-include
 
 out/main.bin: out/main.o $(EXTRAOBJS)
 	@#-T ../link.script