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memeory stuff and video memory

master
Isabelle L. 5 jaren geleden
bovenliggende
13a1a39c91
commit
b0886d3f74
8 gewijzigde bestanden met toevoegingen van 288 en 33 verwijderingen
Zij-aan-zij weergave
Diff opties
Statistieken weergeven Download Patch-bestand Download Diff-bestand
  1. +158
    -6
      Cargo.lock
  2. +3
    -1
      Cargo.toml
  3. +4
    -1
      README.md
  4. +12
    -1
      src/lib.rs
  5. +32
    -1
      src/main.rs
  6. +14
    -0
      src/memory.rs
  7. +42
    -23
      src/registers.rs
  8. +23
    -0
      src/video.rs

+ 158
- 6
Cargo.lock Bestand weergeven

@@ -1,5 +1,23 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
[[package]]
name = "ansi_term"
version = "0.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
]

[[package]]
name = "atty"
version = "0.2.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"hermit-abi 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
"winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
]

[[package]]
name = "autocfg"
version = "0.1.7"
@@ -33,7 +51,8 @@ name = "ceres"
version = "0.1.0"
dependencies = [
"logos 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)",
"offbrand 0.1.0 (git+https://github.com/izzabelle/offbrand)",
"offbrand 0.1.0",
"structopt 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
]

[[package]]
@@ -41,6 +60,20 @@ name = "cfg-if"
version = "0.1.10"
source = "registry+https://github.com/rust-lang/crates.io-index"

[[package]]
name = "clap"
version = "2.33.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
"atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
"bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
"strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
"textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
"unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
"vec_map 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
]

[[package]]
name = "cloudabi"
version = "0.0.3"
@@ -77,6 +110,22 @@ dependencies = [
"wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
]

[[package]]
name = "heck"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
]

[[package]]
name = "hermit-abi"
version = "0.1.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
]

[[package]]
name = "lazy_static"
version = "1.4.0"
@@ -191,7 +240,6 @@ dependencies = [
[[package]]
name = "offbrand"
version = "0.1.0"
source = "git+https://github.com/izzabelle/offbrand#4c63fd4cae6625ba3312b4a88b90a39e4ffa323b"
dependencies = [
"minifb 0.16.0 (git+https://github.com/emoon/rust_minifb)",
"thiserror 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -221,6 +269,30 @@ name = "ppv-lite86"
version = "0.2.8"
source = "registry+https://github.com/rust-lang/crates.io-index"

[[package]]
name = "proc-macro-error"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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"proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
"quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
"syn 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)",
"version_check 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
name = "proc-macro-error-attr"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
"quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
"syn 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)",
"syn-mid 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
"version_check 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
name = "proc-macro2"
version = "0.4.30"
@@ -473,6 +545,33 @@ name = "smallvec"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"

[[package]]
name = "strsim"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"

[[package]]
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version = "0.3.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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[[package]]
name = "structopt-derive"
version = "0.4.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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[[package]]
name = "syn"
version = "0.15.44"
@@ -485,7 +584,7 @@ dependencies = [

[[package]]
name = "syn"
version = "1.0.30"
version = "1.0.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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@@ -493,6 +592,16 @@ dependencies = [
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[[package]]
name = "syn-mid"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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"syn 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
name = "tempfile"
version = "3.1.0"
@@ -506,6 +615,14 @@ dependencies = [
"winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
]

[[package]]
name = "textwrap"
version = "0.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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[[package]]
name = "thiserror"
version = "1.0.19"
@@ -521,9 +638,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
"quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
"syn 1.0.30 (registry+https://github.com/rust-lang/crates.io-index)",
"syn 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"

[[package]]
name = "unicode-width"
version = "0.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index"

[[package]]
name = "unicode-xid"
version = "0.1.0"
@@ -539,6 +666,16 @@ name = "utf8-ranges"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"

[[package]]
name = "vec_map"
version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"

[[package]]
name = "version_check"
version = "0.9.2"
source = "registry+https://github.com/rust-lang/crates.io-index"

[[package]]
name = "void"
version = "1.0.2"
@@ -668,17 +805,22 @@ version = "0.8.3"
source = "registry+https://github.com/rust-lang/crates.io-index"

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+ 3
- 1
Cargo.toml Bestand weergeven

@@ -6,4 +6,6 @@ edition = "2018"

[dependencies]
logos = "0.9.7"
offbrand = { git = "https://github.com/izzabelle/offbrand" }
#offbrand = { git = "https://github.com/izzabelle/offbrand" }
offbrand = { path = "../offbrand" }
structopt = "0.3.14"

+ 4
- 1
README.md Bestand weergeven

@@ -3,7 +3,7 @@ a shitty fantasy console written in rust using a proprietary MIPS based asm inst

### GRAPHICS

uhhhhh funny 128x72 screen
uhhhhh funny 256x144 screen

### Register layout and info

@@ -20,3 +20,6 @@ all registers are unsigned 16 bit
| 8 | v1 | return register 2 |
| 9-15 | t0-t6 | temporary registers |

### Memory map and info

god oh fuck what am i even doing

+ 12
- 1
src/lib.rs Bestand weergeven

@@ -1,16 +1,27 @@
mod memory;
mod registers;
mod video;

pub use memory::Memory;
pub use registers::Registers;
pub use video::VideoMemory;

pub const SCREEN_WIDTH: usize = 256;
pub const SCREEN_HEIGHT: usize = 144;
pub const VIDEO_MEMORY_LEN: usize = SCREEN_HEIGHT * SCREEN_WIDTH;

pub struct System {
pub registers: Registers,
pub memory: Memory,
pub video_memory: VideoMemory,
}

impl System {
pub fn init() -> System {
System { registers: Registers::init(), memory: Memory::init() }
System {
registers: Registers::init(),
memory: Memory::init(),
video_memory: VideoMemory::init(),
}
}
}

+ 32
- 1
src/main.rs Bestand weergeven

@@ -1,4 +1,35 @@
fn main() {
use offbrand::prelude::*;
use structopt::StructOpt;

#[derive(StructOpt)]
#[structopt(name = "CERES-16", about = "16bit fantasy console")]
struct Opt {
/// times the screen should be scaled by
#[structopt(short = "s", long = "scale", default_value = "2")]
scale_factor: usize,
}

fn wrapper() -> Result<()> {
let opt = Opt::from_args();
let mut ctx = offbrand::Context::new(
ceres::SCREEN_WIDTH * opt.scale_factor,
ceres::SCREEN_HEIGHT * opt.scale_factor,
"CERES-16".to_owned(),
)?;
let sys = ceres::System::init();
println!("{}", sys.registers);

while ctx.is_open() {
ctx.clear(None);

ctx.present()?;
}

Ok(())
}

fn main() {
if let Err(err) = wrapper() {
eprintln!("error: {:?}", err);
}
}

+ 14
- 0
src/memory.rs Bestand weergeven

@@ -8,3 +8,17 @@ impl Memory {
Memory { data: [0x00; std::u16::MAX as usize] }
}
}

impl std::ops::Index<u16> for Memory {
type Output = u16;

fn index(&self, index: u16) -> &u16 {
&self.data[index as usize]
}
}

impl std::ops::IndexMut<u16> for Memory {
fn index_mut(&mut self, index: u16) -> &mut u16 {
&mut self.data[index as usize]
}
}

+ 42
- 23
src/registers.rs Bestand weergeven

@@ -30,25 +30,25 @@ pub struct Registers {
}

impl Registers {
/// initializes cpu with 0x00 in all registers
/// initializes cpu with 0x0000 in all registers
pub fn init() -> Registers {
Registers {
z0: 0x00,
gp: 0x00,
sp: 0x00,
ra: 0x00,
a0: 0x00,
a1: 0x00,
a2: 0x00,
v0: 0x00,
v1: 0x00,
t0: 0x00,
t1: 0x00,
t2: 0x00,
t3: 0x00,
t4: 0x00,
t5: 0x00,
t6: 0x00,
z0: 0x0000,
gp: 0x0000,
sp: 0x0000,
ra: 0x0000,
a0: 0x0000,
a1: 0x0000,
a2: 0x0000,
v0: 0x0000,
v1: 0x0000,
t0: 0x0000,
t1: 0x0000,
t2: 0x0000,
t3: 0x0000,
t4: 0x0000,
t5: 0x0000,
t6: 0x0000,
}
}
}
@@ -109,11 +109,30 @@ impl std::ops::IndexMut<usize> for Registers {

impl fmt::Display for Registers {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "-- registers ----------------------------------------------------------------------------\n\
| z0: 0x{:02X} | gp: 0x{:02X} | sp: 0x{:02X} | ra: 0x{:02X} | a0: 0x{:02X} | a1: 0x{:02X} | a2: 0x{:02X} | v0: 0x{:02X} |\n\
| v1: 0x{:02X} | t0: 0x{:02X} | t1: 0x{:02X} | t2: 0x{:02X} | t3: 0x{:02X} | t4: 0x{:02X} | t5: 0x{:02X} | t6: 0x{:02X} |\n\
-----------------------------------------------------------------------------------------",
self[0], self[1], self[2], self[3], self[4], self[5], self[6], self[7],
self[8], self[9], self[10], self[11], self[12], self[13], self[14], self[15])
write!(
f,
"-- registers ----------------------------------------\n\
| z0: 0x{:04X} | gp: 0x{:04X} | sp: 0x{:04X} | ra: 0x{:04X} |\n\
| a0: 0x{:04X} | a1: 0x{:04X} | a2: 0x{:04X} | v0: 0x{:04X} |\n\
| v1: 0x{:04X} | t0: 0x{:04X} | t1: 0x{:04X} | t2: 0x{:04X} |\n\
| t3: 0x{:04X} | t4: 0x{:04X} | t5: 0x{:04X} | t6: 0x{:04X} |\n\
-----------------------------------------------------",
self[0],
self[1],
self[2],
self[3],
self[4],
self[5],
self[6],
self[7],
self[8],
self[9],
self[10],
self[11],
self[12],
self[13],
self[14],
self[15]
)
}
}

+ 23
- 0
src/video.rs Bestand weergeven

@@ -0,0 +1,23 @@
pub struct VideoMemory {
data: [u16; crate::VIDEO_MEMORY_LEN],
}

impl VideoMemory {
pub fn init() -> VideoMemory {
VideoMemory { data: [0x0000; crate::VIDEO_MEMORY_LEN] }
}
}

impl std::ops::Index<u16> for VideoMemory {
type Output = u16;

fn index(&self, index: u16) -> &u16 {
&self.data[index as usize]
}
}

impl std::ops::IndexMut<u16> for VideoMemory {
fn index_mut(&mut self, index: u16) -> &mut u16 {
&mut self.data[index as usize]
}
}

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