RomOnlyComputer now has a GUI

2025-07-17 11:45:58 -04:00
parent cad8d5eaa3
commit 8e2ca81489
13 changed files with 150 additions and 40 deletions
@@ -0,0 +1,92 @@
+use core::periph::backplane::Backplane;
+use core::computers::rom_only::backplane::RomOnlyComputer;
+use egui_macroquad::egui::TextBuffer;
+use macroquad::prelude::*;
+
+struct UIState {
+    address: u16,
+    data: u8,
+    new_address_input: String,
+    new_data_input: String,
+}
+
+#[macroquad::main("Tick Interface")]
+async fn main() {
+    let mut ui = UIState {
+        address: 0x1234,
+        data: 0xAB,
+        new_address_input: String::new(),
+        new_data_input: String::new(),
+    };
+
+    let rom_program = vec![0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07];
+
+    let mut rom_only_pc = RomOnlyComputer::program(rom_program);
+
+    loop {
+        clear_background(BLACK);
+
+        // Labels
+        draw_text("Address:", 20.0, 40.0, 30.0, WHITE);
+        draw_text(&format!("0x{:04X}", ui.address), 150.0, 40.0, 30.0, YELLOW);
+
+        draw_text("Data:", 20.0, 80.0, 30.0, WHITE);
+        draw_text(&format!("0x{:02X}", ui.data), 150.0, 80.0, 30.0, YELLOW);
+
+        // Input: New Address
+        draw_text("New Address:", 20.0, 140.0, 25.0, WHITE);
+        ui.new_address_input = draw_textbox(&ui.new_address_input, 200.0, 120.0, 150.0);
+
+        // Input: New Data
+        draw_text("New Data:", 20.0, 190.0, 25.0, WHITE);
+        ui.new_data_input = draw_textbox(&ui.new_data_input, 200.0, 170.0, 150.0);
+
+        // Tick Button
+        if is_mouse_button_pressed(MouseButton::Left) {
+            let (mx, my) = mouse_position();
+            if mx >= 20.0 && mx <= 120.0 && my >= 220.0 && my <= 260.0 {
+                if let Ok(addr) = u16::from_str_radix(&ui.new_address_input.trim_start_matches("0x"), 16) {
+                    rom_only_pc.set_address_bus(addr);
+                }
+                if let Ok(dat) = u8::from_str_radix(&ui.new_data_input.trim_start_matches("0x"), 16) {
+                    rom_only_pc.set_data_bus(dat);
+                }
+                println!("Tick: addr=0x{:04X} data=0x{:02X}", ui.address, ui.data);
+                rom_only_pc.tick();
+            }
+        }
+
+        // Draw button
+        draw_rectangle(20.0, 220.0, 100.0, 40.0, DARKGRAY);
+        draw_text("Tick", 40.0, 250.0, 30.0, WHITE);
+
+        ui.address = rom_only_pc.address_bus();
+        ui.data = rom_only_pc.data_bus();
+
+        next_frame().await;
+    }
+}
+
+fn draw_textbox(input: &str, x: f32, y: f32, width: f32) -> String {
+    let mut new_input = input.to_string();
+
+    draw_rectangle_lines(x - 5.0, y - 5.0, width + 10.0, 40.0, 2.0, WHITE);
+    draw_text(input, x, y + 25.0, 30.0, WHITE);
+
+    if is_mouse_button_pressed(MouseButton::Left) {
+        let (mx, my) = mouse_position();
+        if mx >= x && mx <= x + width && my >= y && my <= y + 40.0 {
+            new_input = String::new(); // reset input on click
+        }
+    }
+
+    for c in get_char_pressed() {
+        if c == '\u{8}' {
+            new_input.pop(); // backspace
+        } else if c.is_ascii_hexdigit() {
+            new_input.push(c.to_ascii_uppercase());
+        }
+    }
+
+    new_input
+}