= TIS-100 =

TIS-100 is an assembly programming game. The following are notes that I have
taken regarding the game. I do not plan to use these, only to type them to help
commit to memory

== Important ==

== Registers ==

* ACC - accumulator 
  - Is the implicit source/destination of many operations
* BAK - Bakup 
  - Non-addressable, used as tmp for ACC.
* NIL - zero register 
  - Stores zero
* LEFT, RIGHT, UP, DOWN 
  - Corespond to the four directions around the node
* ANY - Any destination 
  - Send the result to any destination that accepts it first. Reading from this
    register will read in the first result given on any port
* LAST - Last port used

== Instruction Set ==

NOTE: Instruction set generally follows AT&T syntax standard of

<SRC>, <DEST>

* Labels 
  - These operate the same as standard labels. Labels can have an instruction
    on the same line
* NOP 
  - No operation.
* MOV 
  - Moves from SRC to DEST register/memory address
* SWP 
  - The values in ACC and BAK are switched
* SAV 
  - The value in ACC is written to BAK