trueLMAO/frontend/src/debug/mod.rs

pub mod palette;
pub mod vram;
pub mod cpu;

use vram::VRAM;

pub struct Debug {
    pub vram: VRAM,
}

impl Default for Debug {
    fn default() -> Self {
        Self {
            vram: Default::default(),
        }
    }
}

impl Debug {
    pub fn render(&mut self, ctx: &egui::Context, emu: &emu::Megadrive) {
        cpu::cpu_window(&ctx, &emu);
        palette::palette_window(&ctx, &emu);
        self.vram.render(&ctx, &emu);

        const ASCII: &str = r##"................................ !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~................................. ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþ"##;

        egui::Window::new("memory")
            .show(ctx, |ui| {

                // TODO: difference accessors

                // let tabs = [
                //     (0xFFFF, &emu.core.mem.ram),
                // ];

                // emu.core.mem.ram
                let bytes_row = 16;
                let total_bytes = 0xFFFF;
                let rows = total_bytes / bytes_row;

                egui::ScrollArea::vertical()
                    .max_height(512.)
                    .show_rows(ui, 8., rows, |ui, row_range| {
                        for i in row_range {
                            let offset = i * bytes_row;
                            let bytes = (offset..offset+bytes_row)
                                .enumerate()
                                .map(|(idx, offset)| {
                                    format!(" {:02X}", emu.core.mem.ram[idx + offset])
                                }).collect::<String>();

                            let ascii = (offset..offset+bytes_row)
                                .enumerate()
                                .map(|(idx, offset)| {
                                    format!("{}", ASCII.chars().nth(emu.core.mem.ram[idx + offset] as _).unwrap_or('.'))
                                }).collect::<String>();
                            ui.monospace(format!("{:04X} {} {}", i, bytes, ascii));
                        }
                    });

            });


    }
}