assembler help message

Cargo.toml

@@ -4,11 +4,16 @@ version = "0.4.0"
 edition = "2021"
 authors = ["Filip Parag <filip@parag.rs>"]
 license = "MIT"
-description = "Emulator and debugger for LPRS1 ISA & CPU"
+description = "Emulator, debugger and assembler for LPRS1 ISA & CPU"
 readme = "README.md"
 repository = "https://github.com/filiparag/ftn-lprsemu"
-keywords = ["emulator", "assembler", "assembly"]
-categories = ["command-line-interface", "emulators", "parsing"]
+keywords = ["emulator", "debugger", "assembler", "assembly"]
+categories = [
+    "command-line-interface",
+    "emulators",
+    "parsing",
+    "development-tools::debugging",
+]
 include = ["/src"]
 maintenance = { status = "passively-maintained" }
 rust-version = "1.68"

src/assembler.rs

@@ -25,6 +25,7 @@ macro_rules! concat {
 
 fn parse_rom(rom: &[Instruction]) -> Vec<u8> {
     let mut vhdl = Vec::new();
+    concat!(vhdl <= "-- instr_rom.vhd";);
     concat!(vhdl <= "architecture Behavioral of instr_rom is";);
     concat!(vhdl <= "begin";);
     for (a, ins) in rom.iter().enumerate() {
@@ -42,16 +43,26 @@ fn parse_rom(rom: &[Instruction]) -> Vec<u8> {
 
 fn parse_ram(ram: &[u16]) -> Vec<u8> {
     let mut vhdl = Vec::new();
+    concat!(vhdl <= "-- data_ram.vhd";);
     for (index, value) in ram.iter().enumerate() {
         concat!(vhdl <= "sMEM({index}) <= x\"{value:04x}\";";)
     }
     vhdl
 }
 
+fn print_help() {
+    println!("{} {}", env!("CARGO_BIN_NAME"), env!("CARGO_PKG_VERSION"),);
+    println!("{}", env!("CARGO_PKG_DESCRIPTION"));
+    println!("{}", env!("CARGO_PKG_AUTHORS"));
+}
+
 fn main() {
     let path = match std::env::args().nth(1) {
         Some(p) => p,
-        None => return,
+        None => {
+            print_help();
+            return;
+        }
     };
 
     #[allow(unused)]

src/main.rs

@@ -23,12 +23,8 @@ fn prompt(separator: &str) -> Option<Vec<String>> {
 }
 
 fn print_help() {
-    println!(
-        "{} {} - {}",
-        env!("CARGO_PKG_NAME"),
-        env!("CARGO_PKG_VERSION"),
-        env!("CARGO_PKG_DESCRIPTION")
-    );
+    println!("{} {}", env!("CARGO_BIN_NAME"), env!("CARGO_PKG_VERSION"),);
+    println!("{}", env!("CARGO_PKG_DESCRIPTION"));
     println!("{}", env!("CARGO_PKG_AUTHORS"));
     println!();
     println!("Usage:");