diff --git a/share/Resources/apple/fetch.sh b/share/Resources/apple/fetch.sh
index 2380fd7..2c70ccf 100755
--- a/share/Resources/apple/fetch.sh
+++ b/share/Resources/apple/fetch.sh
@@ -2,7 +2,7 @@
 
 curl -LO https://github.com/cmosher01/Apple-II-System-Masters/releases/download/v1.1.0/apple2sysmas.zip
 unzip apple2sysmas.zip
-curl -LO https://github.com/cmosher01/Apple-II-Source/releases/download/v1.1.2/apple2sys.zip
+curl -LO https://github.com/cmosher01/Apple-II-Source/releases/download/v1.2.1/apple2sys.zip
 unzip apple2sys.zip
 
 mkdir stage
diff --git a/share/Resources/rom/Makefile b/share/Resources/rom/Makefile
index ca6170e..7a31e74 100644
--- a/share/Resources/rom/Makefile
+++ b/share/Resources/rom/Makefile
@@ -14,7 +14,7 @@ RELOC65=reloc65
 	$(M4) -I ./ $(M4FLAGS) $< >$@
 
 .s65.o65:
-	$(XA65) -C -M -R -c -bt 0 $(ZERO_SEGS) -o $@ $(XA65FLAGS) $<
+	$(XA65) -C -MASM -XXA23 -R -c -bt 0 $(ZERO_SEGS) -o $@ $(XA65FLAGS) $<
 
 .o65.r65:
 	$(LDO65) -bt $(CODE_SEG) $(ZERO_SEGS) -o $@ $(LD65FLAGS) $^