Add assembler

4 years ago · 7f2e49e523
commit 7f2e49e523
7 changed files with 692 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,5 @@
+/target
+**/*.rs.bk
+.idea
+*.asm
+*.sbc
--- a/Cargo.lock
+++ b/Cargo.lock
@ -0,0 +1,359 @@
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--- a/Cargo.toml
+++ b/Cargo.toml
@ -0,0 +1,11 @@
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+
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--- a/src/asm_tokens.rs
+++ b/src/asm_tokens.rs
@ -0,0 +1,203 @@
+const T_NOP: u8 = 0x00;
+const T_EXIT: u8 = 0x01;
+const T_SET: u8 = 0x02;
+const T_COPY: u8 = 0x03;
+const T_LOAD: u8 = 0x04;
+const T_CLEAR: u8 = 0x05;
+const T_WRITE: u8 = 0x06;
+const T_LABEL: u8 = 0x07;
+const T_GOTO: u8 = 0x08;
+const T_ADD: u8 = 0x10;
+const T_SUB: u8 = 0x11;
+const T_MUL: u8 = 0x12;
+const T_DIV: u8 = 0x13;
+const T_MOD: u8 = 0x14;
+const T_LSH: u8 = 0x15;
+const T_RSH: u8 = 0x16;
+const T_JG: u8 = 0x20;
+const T_JL: u8 = 0x21;
+const T_JE: u8 = 0x22;
+const T_PAUSE: u8 = 0xF0;
+const T_CMD: u8 = 0xF1;
+
+pub trait Token {
+    fn to_bytecode(&self) -> Vec<u8>;
+}
+
+pub struct NopToken;
+
+impl Token for NopToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_NOP]
+    }
+}
+
+pub struct ExitToken {
+    pub register: u8,
+}
+
+impl Token for ExitToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_EXIT, self.register]
+    }
+}
+
+pub struct SetToken {
+    pub value: u8,
+    pub register: u8,
+}
+
+impl Token for SetToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_SET, self.value, self.register]
+    }
+}
+
+pub struct CopyToken {
+    pub register_1: u8,
+    pub register_2: u8,
+}
+
+impl Token for CopyToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_COPY, self.register_1, self.register_2]
+    }
+}
+
+pub struct LoadToken;
+
+impl Token for LoadToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_LOAD]
+    }
+}
+
+pub struct ClearToken {
+    pub register: u8,
+}
+
+impl Token for ClearToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_CLEAR, self.register]
+    }
+}
+
+pub struct WriteToken;
+
+impl Token for WriteToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_WRITE]
+    }
+}
+
+pub struct LabelToken;
+
+impl Token for LabelToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_LABEL]
+    }
+}
+
+pub struct GotoToken;
+
+impl Token for GotoToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_GOTO]
+    }
+}
+
+pub struct AddToken;
+
+impl Token for AddToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_ADD]
+    }
+}
+
+pub struct SubToken;
+
+impl Token for SubToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_SUB]
+    }
+}
+
+pub struct MulToken;
+
+impl Token for MulToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_MUL]
+    }
+}
+
+pub struct DivToken;
+
+impl Token for DivToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_DIV]
+    }
+}
+
+pub struct ModToken;
+
+impl Token for ModToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_MOD]
+    }
+}
+
+pub struct LshToken;
+
+impl Token for LshToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_LSH]
+    }
+}
+
+pub struct RshToken;
+
+impl Token for RshToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_RSH]
+    }
+}
+
+pub struct JgToken;
+
+impl Token for JgToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_JG]
+    }
+}
+
+pub struct JlToken;
+
+impl Token for JlToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_JL]
+    }
+}
+
+pub struct JeToken;
+
+impl Token for JeToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_JE]
+    }
+}
+
+pub struct PauseToken;
+
+impl Token for PauseToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_PAUSE]
+    }
+}
+
+pub struct CmdToken;
+
+impl Token for CmdToken {
+    fn to_bytecode(&self) -> Vec<u8> {
+        vec![T_CMD]
+    }
+}
--- a/src/bin/lsambler.rs
+++ b/src/bin/lsambler.rs
@ -0,0 +1,84 @@
+use ledstrip_vm::asm_tokens;
+use ledstrip_vm::asm_tokens::{
+    AddToken, ClearToken, CmdToken, CopyToken, DivToken, ExitToken, GotoToken, JeToken, JgToken,
+    JlToken, LabelToken, LoadToken, LshToken, ModToken, MulToken, PauseToken, RshToken, SetToken,
+    SubToken, Token, WriteToken,
+};
+use ledstrip_vm::registers::get_register_by_name;
+use rayon::prelude::*;
+use std::fs::{read_to_string, File};
+use std::io;
+use std::io::{BufRead, BufReader, BufWriter, Read, Write};
+use structopt::StructOpt;
+
+macro_rules! some_box {
+    ($expr:expr) => {
+        Some(Box::new($expr))
+    };
+}
+
+#[derive(StructOpt, Debug)]
+struct Opts {
+    #[structopt(short = "i", name = "input")]
+    input_file: String,
+
+    #[structopt(short = "o", name = "output")]
+    output_file: String,
+}
+
+fn main() -> io::Result<()> {
+    let opts: Opts = Opts::from_args();
+    let contents = read_to_string(opts.input_file)?;
+    let f = File::create(opts.output_file)?;
+    let mut writer = BufWriter::new(f);
+    contents
+        .lines()
+        .map(|line| get_token(line))
+        .filter_map(|token| Some(token?.to_bytecode()))
+        .for_each(|code| {
+            writer.write(&code);
+        });
+
+    Ok(())
+}
+
+fn get_token(line: &str) -> Option<Box<dyn Token>> {
+    let mut instr_parts = line.split_whitespace();
+
+    match instr_parts.next()? {
+        "exit" => Some(Box::new(ExitToken {
+            register: get_register_by_name(instr_parts.next()?)?,
+        })),
+        "set" => some_box!(SetToken {
+            value: instr_parts
+                .next()?
+                .parse::<u8>()
+                .expect("Failed to parse the value into a u8."),
+            register: get_register_by_name(instr_parts.next()?)?,
+        }),
+        "copy" => some_box!(CopyToken {
+            register_1: get_register_by_name(instr_parts.next()?)?,
+            register_2: get_register_by_name(instr_parts.next()?)?,
+        }),
+        "load" => some_box!(LoadToken),
+        "clear" => some_box!(ClearToken {
+            register: get_register_by_name(instr_parts.next()?)?,
+        }),
+        "write" => some_box!(WriteToken),
+        "label" => some_box!(LabelToken),
+        "goto" => some_box!(GotoToken),
+        "add" => some_box!(AddToken),
+        "sub" => some_box!(SubToken),
+        "mul" => some_box!(MulToken),
+        "div" => some_box!(DivToken),
+        "mod" => some_box!(ModToken),
+        "lsh" => some_box!(LshToken),
+        "rsh" => some_box!(RshToken),
+        "jg" => some_box!(JgToken),
+        "jl" => some_box!(JlToken),
+        "je" => some_box!(JeToken),
+        "pause" => some_box!(PauseToken),
+        "cmd" => some_box!(CmdToken),
+        _ => None,
+    }
+}
--- a/src/lib.rs
+++ b/src/lib.rs
@ -0,0 +1,2 @@
+pub mod asm_tokens;
+pub mod registers;
--- a/src/registers.rs
+++ b/src/registers.rs
@ -0,0 +1,28 @@
+pub const RCS: u8 = 0x01;
+pub const RCR: u8 = 0x02;
+pub const RCG: u8 = 0x03;
+pub const RCB: u8 = 0x04;
+pub const RCD: u8 = 0x05;
+pub const RGP: u8 = 0x06;
+pub const RGI: u8 = 0x07;
+pub const RGO: u8 = 0x08;
+pub const RGL: u8 = 0x09;
+
+/// Maps a register name to the bytecode value
+pub fn get_register_by_name(name: &str) -> Option<u8> {
+    let item = [
+        ("rcs", RCS),
+        ("rcr", RCR),
+        ("rcg", RCG),
+        ("rcb", RCB),
+        ("rcd", RCD),
+        ("rgp", RGP),
+        ("rgi", RGI),
+        ("rgo", RGO),
+        ("rgl", RGL),
+    ]
+    .iter()
+    .find(|(reg, bc)| *reg == name)?;
+
+    Some((*item).1)
+}