added nnn shortcut

README.md

@@ -196,6 +196,7 @@ The shortcut mnemonics for other operations are as follows:
 * `sin` is a shortcut to `tri 0` (sine)
 * `cos` is a shortcut to `tri 1` (cosine)
 * `atn` is a shortcut to `tri 2` (arctangent)
+* `nnn` is a shortcut to `nop 0 0 0` (a short alias for NOP)
 
 ### Port input and output
 

mu808asm.py

@@ -19,6 +19,7 @@ mnemos = ['nop', 'jmp', 'iat', 'out', 'inp', 'set', 'cpy', 'fma',
 
 # mu808 jump/function shortcuts
 jmpfunc_shorts = {
+    'nnn': 'nop 0 0 0', # alias for nop
     'ige': 'jmp 10',    # indirect jump if greater than or equals to zero
     'ile': 'jmp 11',    # indirect jump if less than or equals to zero
     'ine': 'jmp 12',    # indirect jump if not equals to zero