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main.rs: General cleanup in preparation for refactor

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This commit is contained in:
John 2023-03-25 17:42:06 -05:00
parent f3badf41e8
commit 4ab7dcbe6a
1 changed files with 15 additions and 16 deletions
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31
src/main.rs
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@ -12,23 +12,30 @@ use std::{
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Options, Hash)]
struct Arguments {
#[options(help = "Print help text and exit")]
help: bool,
#[options(help = "Enable behavior incompatible with modern software")]
pub authentic: bool,
#[options(
long = "break",
help = "Set breakpoints for the emulator to stop at",
parse(try_from_str = "parse_hex")
)]
pub breakpoints: Vec<u16>,
#[options(help = "Enable debug mode at startup")]
pub debug: bool,
#[options(help = "Enable pause mode at startup")]
#[options(help = "Enable pause mode at startup", default = "false")]
pub pause: bool,
#[options(help = "Load a ROM to run on Chirp")]
#[options(help = "Load a ROM to run on Chirp", required, free)]
pub file: PathBuf,
#[options(help = "Set the target framerate", default = "60")]
pub frame_rate: u64,
#[options(help = "Set the instructions-per-frame rate", default = "8")]
pub speed: usize,
#[options(help = "Run the emulator as fast as possible for `step` instructions")]
pub step: Option<usize>,
}
fn parse_hex(value: &str) -> std::result::Result<u16, std::num::ParseIntError> {
u16::from_str_radix(value, 16)
}
fn main() -> Result<()> {
@ -46,18 +53,6 @@ fn main() -> Result<()> {
//"stack" [0x2000..0x2100],
};
// let disassembler = Disassemble::default();
// if false {
// for addr in 0x200..0x290 {
// if addr % 2 == 0 {
// println!(
// "{addr:03x}: {}",
// disassembler.instruction(bus.read(addr as usize))
// );
// }
// }
// }
let mut cpu = CPU::new(0xf00, 0x50, 0x200, 0x20fe, Disassemble::default());
for point in options.breakpoints {
cpu.set_break(point);
@ -147,8 +142,12 @@ fn main() -> Result<()> {
step_time = Instant::now();
}
//Ok(())
/// Parses a hexadecimal string into a u16
fn parse_hex(value: &str) -> std::result::Result<u16, std::num::ParseIntError> {
u16::from_str_radix(value, 16)
}
/// Transforms a bool into "enabled"/"disabled"
fn endis(name: &str, state: bool) -> String {
format!("{name} {}", if state { "enabled" } else { "disabled" })
}