Initial commit

Start of the project
This commit is contained in:
Trevor Merritt 2025-06-12 14:31:53 -04:00
commit 533b519d15
12 changed files with 885 additions and 0 deletions

1
.gitignore vendored Normal file
View File

@ -0,0 +1 @@
/target

512
Cargo.lock generated Normal file
View File

@ -0,0 +1,512 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 4
[[package]]
name = "adler2"
version = "2.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
[[package]]
name = "aho-corasick"
version = "1.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
dependencies = [
"memchr",
]
[[package]]
name = "anstream"
version = "0.6.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "301af1932e46185686725e0fad2f8f2aa7da69dd70bf6ecc44d6b703844a3933"
dependencies = [
"anstyle",
"anstyle-parse",
"anstyle-query",
"anstyle-wincon",
"colorchoice",
"is_terminal_polyfill",
"utf8parse",
]
[[package]]
name = "anstyle"
version = "1.0.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "862ed96ca487e809f1c8e5a8447f6ee2cf102f846893800b20cebdf541fc6bbd"
[[package]]
name = "anstyle-parse"
version = "0.2.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4e7644824f0aa2c7b9384579234ef10eb7efb6a0deb83f9630a49594dd9c15c2"
dependencies = [
"utf8parse",
]
[[package]]
name = "anstyle-query"
version = "1.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6c8bdeb6047d8983be085bab0ba1472e6dc604e7041dbf6fcd5e71523014fae9"
dependencies = [
"windows-sys",
]
[[package]]
name = "anstyle-wincon"
version = "3.0.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "403f75924867bb1033c59fbf0797484329750cfbe3c4325cd33127941fabc882"
dependencies = [
"anstyle",
"once_cell_polyfill",
"windows-sys",
]
[[package]]
name = "bitflags"
version = "2.9.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1b8e56985ec62d17e9c1001dc89c88ecd7dc08e47eba5ec7c29c7b5eeecde967"
[[package]]
name = "cfg-if"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9555578bc9e57714c812a1f84e4fc5b4d21fcb063490c624de019f7464c91268"
[[package]]
name = "clap"
version = "4.5.40"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "40b6887a1d8685cebccf115538db5c0efe625ccac9696ad45c409d96566e910f"
dependencies = [
"clap_builder",
"clap_derive",
]
[[package]]
name = "clap_builder"
version = "4.5.40"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e0c66c08ce9f0c698cbce5c0279d0bb6ac936d8674174fe48f736533b964f59e"
dependencies = [
"anstream",
"anstyle",
"clap_lex",
"strsim",
]
[[package]]
name = "clap_derive"
version = "4.5.40"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d2c7947ae4cc3d851207c1adb5b5e260ff0cca11446b1d6d1423788e442257ce"
dependencies = [
"heck",
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "clap_lex"
version = "0.7.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b94f61472cee1439c0b966b47e3aca9ae07e45d070759512cd390ea2bebc6675"
[[package]]
name = "colorchoice"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b05b61dc5112cbb17e4b6cd61790d9845d13888356391624cbe7e41efeac1e75"
[[package]]
name = "crc32fast"
version = "1.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a97769d94ddab943e4510d138150169a2758b5ef3eb191a9ee688de3e23ef7b3"
dependencies = [
"cfg-if",
]
[[package]]
name = "env_logger"
version = "0.10.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4cd405aab171cb85d6735e5c8d9db038c17d3ca007a4d2c25f337935c3d90580"
dependencies = [
"humantime",
"is-terminal",
"log",
"regex",
"termcolor",
]
[[package]]
name = "errno"
version = "0.3.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cea14ef9355e3beab063703aa9dab15afd25f0667c341310c1e5274bb1d0da18"
dependencies = [
"libc",
"windows-sys",
]
[[package]]
name = "fastrand"
version = "2.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
[[package]]
name = "flate2"
version = "1.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4a3d7db9596fecd151c5f638c0ee5d5bd487b6e0ea232e5dc96d5250f6f94b1d"
dependencies = [
"crc32fast",
"miniz_oxide",
]
[[package]]
name = "getrandom"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "26145e563e54f2cadc477553f1ec5ee650b00862f0a58bcd12cbdc5f0ea2d2f4"
dependencies = [
"cfg-if",
"libc",
"r-efi",
"wasi",
]
[[package]]
name = "heck"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
[[package]]
name = "hermit-abi"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f154ce46856750ed433c8649605bf7ed2de3bc35fd9d2a9f30cddd873c80cb08"
[[package]]
name = "humantime"
version = "2.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b112acc8b3adf4b107a8ec20977da0273a8c386765a3ec0229bd500a1443f9f"
[[package]]
name = "is-terminal"
version = "0.4.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e04d7f318608d35d4b61ddd75cbdaee86b023ebe2bd5a66ee0915f0bf93095a9"
dependencies = [
"hermit-abi",
"libc",
"windows-sys",
]
[[package]]
name = "is_terminal_polyfill"
version = "1.70.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
[[package]]
name = "libc"
version = "0.2.172"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
[[package]]
name = "linux-raw-sys"
version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cd945864f07fe9f5371a27ad7b52a172b4b499999f1d97574c9fa68373937e12"
[[package]]
name = "log"
version = "0.4.27"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "13dc2df351e3202783a1fe0d44375f7295ffb4049267b0f3018346dc122a1d94"
[[package]]
name = "memchr"
version = "2.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
[[package]]
name = "miniz_oxide"
version = "0.8.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1fa76a2c86f704bdb222d66965fb3d63269ce38518b83cb0575fca855ebb6316"
dependencies = [
"adler2",
]
[[package]]
name = "once_cell"
version = "1.21.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
[[package]]
name = "once_cell_polyfill"
version = "1.70.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a4895175b425cb1f87721b59f0f286c2092bd4af812243672510e1ac53e2e0ad"
[[package]]
name = "pretty_env_logger"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "865724d4dbe39d9f3dd3b52b88d859d66bcb2d6a0acfd5ea68a65fb66d4bdc1c"
dependencies = [
"env_logger",
"log",
]
[[package]]
name = "proc-macro2"
version = "1.0.95"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "02b3e5e68a3a1a02aad3ec490a98007cbc13c37cbe84a3cd7b8e406d76e7f778"
dependencies = [
"unicode-ident",
]
[[package]]
name = "quote"
version = "1.0.40"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1885c039570dc00dcb4ff087a89e185fd56bae234ddc7f056a945bf36467248d"
dependencies = [
"proc-macro2",
]
[[package]]
name = "r-efi"
version = "5.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
[[package]]
name = "regex"
version = "1.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
dependencies = [
"aho-corasick",
"memchr",
"regex-automata",
"regex-syntax",
]
[[package]]
name = "regex-automata"
version = "0.4.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908"
dependencies = [
"aho-corasick",
"memchr",
"regex-syntax",
]
[[package]]
name = "regex-syntax"
version = "0.8.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
[[package]]
name = "rustix"
version = "1.0.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c71e83d6afe7ff64890ec6b71d6a69bb8a610ab78ce364b3352876bb4c801266"
dependencies = [
"bitflags",
"errno",
"libc",
"linux-raw-sys",
"windows-sys",
]
[[package]]
name = "slu4_cpu"
version = "0.1.0"
dependencies = [
"log",
"pretty_env_logger",
"trevors_utilities",
]
[[package]]
name = "strsim"
version = "0.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
[[package]]
name = "syn"
version = "2.0.102"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f6397daf94fa90f058bd0fd88429dd9e5738999cca8d701813c80723add80462"
dependencies = [
"proc-macro2",
"quote",
"unicode-ident",
]
[[package]]
name = "tempfile"
version = "3.20.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e8a64e3985349f2441a1a9ef0b853f869006c3855f2cda6862a94d26ebb9d6a1"
dependencies = [
"fastrand",
"getrandom",
"once_cell",
"rustix",
"windows-sys",
]
[[package]]
name = "termcolor"
version = "1.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "06794f8f6c5c898b3275aebefa6b8a1cb24cd2c6c79397ab15774837a0bc5755"
dependencies = [
"winapi-util",
]
[[package]]
name = "trevors_utilities"
version = "0.1.0-20250606"
dependencies = [
"clap",
"env_logger",
"flate2",
"tempfile",
]
[[package]]
name = "unicode-ident"
version = "1.0.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
[[package]]
name = "utf8parse"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
[[package]]
name = "wasi"
version = "0.14.2+wasi-0.2.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9683f9a5a998d873c0d21fcbe3c083009670149a8fab228644b8bd36b2c48cb3"
dependencies = [
"wit-bindgen-rt",
]
[[package]]
name = "winapi-util"
version = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
dependencies = [
"windows-sys",
]
[[package]]
name = "windows-sys"
version = "0.59.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
dependencies = [
"windows-targets",
]
[[package]]
name = "windows-targets"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
dependencies = [
"windows_aarch64_gnullvm",
"windows_aarch64_msvc",
"windows_i686_gnu",
"windows_i686_gnullvm",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_gnullvm",
"windows_x86_64_msvc",
]
[[package]]
name = "windows_aarch64_gnullvm"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
[[package]]
name = "windows_aarch64_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
[[package]]
name = "windows_i686_gnu"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
[[package]]
name = "windows_i686_gnullvm"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
[[package]]
name = "windows_i686_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
[[package]]
name = "windows_x86_64_gnu"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
[[package]]
name = "windows_x86_64_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
[[package]]
name = "wit-bindgen-rt"
version = "0.39.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6f42320e61fe2cfd34354ecb597f86f413484a798ba44a8ca1165c58d42da6c1"
dependencies = [
"bitflags",
]

10
Cargo.toml Normal file
View File

@ -0,0 +1,10 @@
[package]
name = "slu4_cpu"
version = "0.1.0"
edition = "2024"
[dependencies]
trevors_utilities = { path = "/home/tmerritt/Projects/trevors_utilities" }
pretty_env_logger = { version = "0.5" }
log = { version = "0.4" }

69
src/adder.rs Normal file
View File

@ -0,0 +1,69 @@
use log::debug;
use crate::busses::{AddressBus, DataBus};
use crate::control_signals::ControlSignals;
use crate::cycle_stages::CycleStages;
#[derive(Default)]
pub struct AdderFlags {
negative: bool,
carry: bool,
zero: bool
}
#[derive(Default)]
pub struct Adder {
a_value: u8,
b_value: u8,
y_value: u8,
flags_value: AdderFlags
}
impl Adder {
pub fn set_flags(&mut self, new_flags: AdderFlags) {
self.flags_value = new_flags;
}
pub fn set_a(&mut self, new_value: u8) {
self.a_value = new_value;
}
pub fn set_b(&mut self, new_value: u8) {
self.b_value = new_value;
}
pub fn get_y(&self) -> u8 {
self.y_value
}
pub fn get_flags(&self) -> AdderFlags {
AdderFlags::default()
}
}
impl CycleStages for Adder {
fn falling_edge(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals) {
todo!()
}
fn low_state(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals) {
todo!()
}
fn rising_edge(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals) {
todo!()
}
fn high_state(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals) {
todo!()
}
}
#[cfg(Test)]
mod test {
use super::*;
#[test]
fn add_two_numbers() {
let adder = Adder::new();
}
}

38
src/busses.rs Normal file
View File

@ -0,0 +1,38 @@
use log::trace;
pub struct AddressBus {
value: u16
}
impl AddressBus {
pub fn new() -> Self {
AddressBus { value : 0x0000 }
}
pub fn set_address(&mut self, new_address: u16) {
trace!("Address bus updated from {} to {}", self.value, new_address);
self.value = new_address
}
pub fn address(&self) -> u16 {
self.value
}
}
pub struct DataBus {
value: u8
}
impl DataBus {
pub fn new() -> Self {
DataBus { value: 0x00 }
}
pub fn set_data(&mut self, new_value: u8) {
self.value = new_value;
}
pub fn data(&self) -> u8 {
self.value
}
}

52
src/computer.rs Normal file
View File

@ -0,0 +1,52 @@
use std::time::{Duration, Instant};
use log::debug;
use crate::adder::Adder;
use crate::memory::Memory;
use crate::register::Register;
pub struct Computer {
last_updated: Instant,
current_input: String,
adder: Adder,
register: Register,
memory: Memory
}
impl Computer {
pub fn new() -> Self {
debug!("Created new CPU");
Computer {
last_updated: Instant::now(),
current_input: String::from(""),
adder: Adder::default(),
register: Register::default(),
memory: Memory::default()
}
}
pub fn reset(mut self) {
self = Computer::new();
}
pub fn update(&mut self) {
let now = Instant::now();
if now.duration_since(self.last_updated).as_millis() > 10 {
debug!("Time to update cpu.");
self.last_updated = now;
// Rising Edge
// High State
// Falling Edge
// Low State
}
}
pub fn input(&mut self, c: char) {
self.current_input = format!("{}{}", self.current_input, c);
}
}

1
src/constants.rs Normal file
View File

@ -0,0 +1 @@
pub const SIZE_32KB: usize = 1024*1024*32;

56
src/control_signals.rs Normal file
View File

@ -0,0 +1,56 @@
use std::collections::BTreeMap;
pub enum ControlSignal {
// UART Transmitter Register In
TI,
// UART Receiver Register Out
TO,
// UART Receiver Register Clear,
TC,
// Memory Address Register In (LSB)
MIL,
// Memory Address Register In (MSB)
MIH,
// Memory Address Register Increment
ME,
// Bank Register In
KI,
// RAM In
RI,
// RAM Out
RO,
// Program Counter In (LSB)
CIL,
// Program Counter In (MSB)
CIH,
// Program Counter Out (LSB)
COL,
// Program Counter Out (MSB),
COH,
// Program Counter Increment
CI,
// A Register In
AI,
// A Register Out
AO,
// B Register In
BI,
// B Register Out
BO,
// Adder Sum Out
EO,
// Adder Invert Operand B
ES,
// Adder Carry In
EC,
// Flags REgister IN
FI,
// Instruction Register In
II,
// Step Counter Clear
IC
}
pub struct ControlSignals {
pub signals: BTreeMap<ControlSignal, bool>
}

28
src/cycle_stages.rs Normal file
View File

@ -0,0 +1,28 @@
use crate::busses::{AddressBus, DataBus};
use crate::control_signals::ControlSignals;
/// Cycle Stages
///
/// The 4 stages of a clock cycle
pub trait CycleStages {
/// Falling Edge
///
/// When the clock pulse is moving from high to low
fn falling_edge(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals);
/// Low State
///
/// Clock pulse is stabilized at the low level
fn low_state(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals);
/// Rising Edge
///
/// When the clock pulse is moving from low to high
fn rising_edge(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals);
/// High State
///
/// Clock pulse is stabilized at the high level
fn high_state(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals);
}

24
src/main.rs Normal file
View File

@ -0,0 +1,24 @@
use crate::computer::Computer;
mod cycle_stages;
mod computer;
mod register;
mod adder;
mod memory;
mod busses;
mod constants;
mod control_signals;
fn main() {
pretty_env_logger::init();
let mut cpu = Computer::new();
let mut keep_running = true;
while keep_running {
cpu.update();
}
}

48
src/memory.rs Normal file
View File

@ -0,0 +1,48 @@
use log::debug;
use crate::busses::{AddressBus, DataBus};
use crate::constants::SIZE_32KB;
use crate::control_signals::ControlSignals;
use crate::cycle_stages::CycleStages;
pub struct Memory {
data: [u8; SIZE_32KB]
}
impl Memory {
pub fn peek(&self, offset: u16) -> u8 { self.data[offset as usize] }
pub fn poke(&mut self, new_value: u8, offset: u16) { self.data[offset as usize] = new_value; }
pub fn clear(&mut self) {
for i in 0..SIZE_32KB {
self.poke(0x00, i as u16);
}
}
pub fn new() -> Self {
Memory { data: [0; SIZE_32KB] }
}
}
impl Default for Memory {
fn default() -> Self {
Memory::new()
}
}
impl CycleStages for Memory {
fn falling_edge(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals) {
todo!()
}
fn low_state(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals) {
todo!()
}
fn rising_edge(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals) {
todo!()
}
fn high_state(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals) {
todo!()
}
}

46
src/register.rs Normal file
View File

@ -0,0 +1,46 @@
use log::debug;
use crate::busses::{AddressBus, DataBus};
use crate::control_signals::ControlSignals;
use crate::cycle_stages::CycleStages;
#[derive(Default)]
pub struct Register {
value: u16,
in_mask: u16,
out_mask: u16,
count_mask: u16,
hi_mask: u16,
port_lines: u8,
control_lines: u16,
name: String
}
impl Register {
pub fn new(name: String) -> Self {
let mut working= Register::default();
working.name = name;
working
}
pub fn reset(&mut self) -> Self {
Register::new(self.name.clone())
}
}
impl CycleStages for Register {
fn falling_edge(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals) {
todo!()
}
fn low_state(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals) {
todo!()
}
fn rising_edge(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals) {
todo!()
}
fn high_state(address_bus: AddressBus, data_bus: DataBus, state: ControlSignals) {
todo!()
}
}