Assembly(programming(on(the(nand2tetris(architecture

Amy$Hanlon

@amygdalama

+--------------+ +----------------+| | | | +-----------+| | | | | || | | | <--- | Input || MEMORY | | CPU | | || | <--> | | +-----------+ | | | | +-----------+| | | | | || | | | ---> | Output || | | | | |+--------------+ +----------------+ +-----------+

DATA MEMORY +-------------+ 0 | | | | | RAM | | 16K | | |16383 | | +-------------+ 16384 | | | Screen |24575 | | +-------------+ 24576 | Keyboard | +-------------+

CPU+----------------+| +------------+ || | | || | ALU | || | | || +------------+ || +------------+ || | A register | || +------------+ || +------------+ || | D register | || +------------+ || +------------+ || | control | || +------------+ |+----------------+

Hack%Assembly• A#instruc+ons

@value

@100@foo

Hack%Assembly• C#instruc+ons

dest=comp;jump

D=D-1M=D

// add the numbers stored in the first and second// memory addresses and stores the result in the third

// add the numbers stored in the first and second// memory addresses and stores the result in the third

@0D=M

// add the numbers stored in the first and second// memory addresses and stores the result in the third

@0D=M

@1D=D+M

// add the numbers stored in the first and second// memory addresses and stores the result in the third

@0D=M

@1D=D+M

@2M=D

Links• h#p://www.nand2tetris.org/

Thank&you!