AoC intcode Compiler

a assembly like language for the AdventOfCode2019 Intcode (Day 2, 5, 9 )

Language Difinition

Examples

the following example is a program that takes 2 inputs, multiplies them and then outputs the result:

input mul1
input mul2
multi :mul1 0 :mul2 0 out
output :out 0
END

this program uses labels to get the addresses for the values of the multiplication and the output command, which are used as references in other commands.

the next example shows how to use labels in combination with jump commands:

input in
equal :in 0 5 flag
jmpit :flag 0 jmpto
output 999
END
:jmpto output 0
END

this program takes an input and checks whether the input is equal to 5, if yes, it outputs 0, if not, it outputs 999.

Argument types

every argument can be one of the following types:

Name	Prefix	Description
Littertal	NO PREFIX	represents the mode introduced on day 5, which is not a reference to another address, but represents a value.
Pointer	*	represents the first mode introduced on day 2, which is a reference to another address.
REL-Pointer	~	represents the third mode, wich was introduced on day 9, which is just like a reference, but counting from a Relbase instead of 0
Label	:	defines a name wich can be used anywhere in the code wich will be replaced by a Pointer to the value following the label Definition.
Variable	_	can be used just like a Pointer, but the address is the specified address plus the address of the last END statement.
Reference	NO PREFIX	a reference will be replaced by the Address of the label wich name is used as argument.

(standard)commands

Name	Arguments	Description
add	3	adds argument 1 and argument 2 and overwrites argument 3 wit the result.
multi	3	multiplys argument 1 and argument 2 and overwrites argument 3 wit the result.
input	1	takes an input and overwrites argument 1 with it.
output	1	outputs argument 1.
jmpit	2	jumps to address in argument 2 if argument 1 is 1.
jmpif	2	jumps to address in argument 2 if argument 1 is 0.
less	3	checks if argument 1 is less than argument 2 and writes eigher 1 for true or 0 for false to argument 3.
equal	3	checks if argument 1 is equal to argument 2 and writes eigher 1 for true or 0 for false to argument 3.
srelbase	1	sets the relative base for relative pointers.

License

LeMoonStar/AoCIntcodeCompiler

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