diff --git a/COPYING b/COPYING
old mode 100644
new mode 100755
diff --git a/Darwin.mk b/Darwin.mk
old mode 100644
new mode 100755
diff --git a/Linux.mk b/Linux.mk
old mode 100644
new mode 100755
index 8bd59f9..989f198
--- a/Linux.mk
+++ b/Linux.mk
@@ -4,3 +4,13 @@ SYSCALLS = cat /usr/include/asm/unistd_64.h | grep -v "old " | grep "^#define" |
 ASM = yasm -f elf64
 
 LD = ld -o firth -e open_image
+
+
+syscall.asm: /usr/include/asm/unistd_64.h
+	cat /usr/include/asm/unistd_64.h | grep "__NR_" | sed 's%.* __NR_%%g' | grep -v '#define' | grep -v SYSCALL | grep -v ifndef | grep -v endif | grep -v '\*' | awk '{ print "%define", $$1, $$2 }' > syscall.asm
+	
+firth.o : firth.asm syscall.asm
+	yasm -f elf64 firth.asm -D Linux
+
+firth : firth.o
+	ld -o firth -e open_image firth.o
diff --git a/Makefile b/Makefile
old mode 100644
new mode 100755
diff --git a/README b/README
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new mode 100755
diff --git a/dict.asm b/dict.asm
old mode 100644
new mode 100755
index 9b8a8e7..138ab52
--- a/dict.asm
+++ b/dict.asm
@@ -1,3 +1,4 @@
+; create a dictionary entry (in data)
 dict boot,'boot'
 dict arg1,'#1'
 dict arg2,'#2'
diff --git a/event.asm b/event.asm
old mode 100644
new mode 100755
diff --git a/firth.asm b/firth.asm
old mode 100644
new mode 100755
diff --git a/image.asm b/image.asm
old mode 100644
new mode 100755
index aaa051b..e291568
--- a/image.asm
+++ b/image.asm
@@ -92,12 +92,14 @@ def create
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Constants, Variables, and Values
 
-dictionary_free: dq dictionary_end
+;dictionary_last: dq word_create		;; last word in dict.asm
+;dictionary_free: dq dictionary_end
+
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; The dictionary
 
 dictionary:
-%include "dict.asm"
+;; %include "dict.asm"
 dictionary_end: dq 0
diff --git a/net.asm b/net.asm
old mode 100644
new mode 100755
diff --git a/system.asm b/system.asm
old mode 100644
new mode 100755
diff --git a/term.asm b/term.asm
old mode 100644
new mode 100755
diff --git a/tools.asm b/tools.asm
old mode 100644
new mode 100755
diff --git a/vm.asm b/vm.asm
old mode 100644
new mode 100755
index 91f1017..babe5ce
--- a/vm.asm
+++ b/vm.asm
@@ -393,8 +393,8 @@ rstack	equ 8*17	;
 
 %macro divide 0
 	xor rdx,rdx
-	mov r11,[nos]
-	idiv tos,r11
+	mov tmp1,[nos]
+	idiv tos,tmp1
 	nip
 %endmacro
 
@@ -524,38 +524,4 @@ rstack	equ 8*17	;
 	jmp $$
 %endmacro
 
-; words
-%macro create 0		; create a dictionary entry ( c-addr u a-addr u -- )
-	lea r11, [dictionary_free + bp]		; load dictionary free pointer
-	swap
-	mov [r11], tos				; save definition address
-	lea r11, [r11 + 8]	
-	drop
-	mov [r11], tos				; save definition length
-	lea r11, [r11 + 8]	
-	drop
-	mov rcx, tos				; copy count
-	mov [r11], tos				; save string length
-	lea r11, [r11 + 8]	
-	drop
-	mov rdi, r11
-	mov rsi, tos
-	rep movsb				; copy string
-	add r11,7
-	and r11, ~7				; align r11
-	mov [dictionary_free +bp], r11		; update dictionary free pointer
-%endmacro
-
-; variables
 
-%macro variable 0
-		
-%endmacro 
-
-%macro constant 0
-
-%endmacro
-
-%macro value 0
-
-%endmacro