Struct acs::arch::memory::Memory

pub struct Memory {
    pub inp: Signal16,
    pub load: Signal,
    pub address: Signal15,
    /* private fields */
}

Package of three 16-bit chip parts: Ram16k, Screen, and Keyboard

Fields

inp: Signal16

load: Signal

address: Signal15

Implementations

impl Memory

pub fn sim(&mut self, inp: Signal16, load: Signal, address: Signal15) -> Signal16

Carries out the simulation, taking as input:

• inp: data input
• load: whether to write inp into the RAM
• address: which register to select
  • [0, 16383] results in accessing Ram16k
  • [16384, 24575] results in accessing the Screen
  • 24576 results in accessing the Keyboard

It returns the value stored at address. Furthermore, when loadisHI, inpis written at locationaddress`, and the loaded value will be emitted from the next time step onward.

pub fn out(&self) -> Signal16

pub fn get_screen(&self) -> &Screen

pub fn get_keyboard_mut(&mut self) -> &mut Keyboard

Trait Implementations

impl Default for Memory

fn default() -> Memory

Returns the “default value” for a type.

impl Unit for Memory

fn tick(&mut self)

Carries out the tick-phase of a clock cycle: LOW

fn eval(&mut self)

Evaluates the logic expression as we do with arithmetic without advancing the time.

fn tock(&mut self)

Carries out the tock-phase of a clock cycle: HIGH