src/Tools/psxreadmap/src/lib.rs

@@ -266,12 +266,34 @@ impl ConsoleUI {
     }
 
     fn create_mem_gauge_from<'a>(section_info: &SectionInfo, color: Color) -> Gauge<'a> {
+        const PERCISION:usize         = 5;
+        const FLOAT_DISPLAY_LIMIT:f64 = {
+            let mut base = 1.0f64;
+            let mut i    = 0;
+
+            while i < PERCISION {
+                base = base/10.0f64;
+                i += 1;
+
+            }
+            base
+        };
+
         let adr_ratio = section_info.get_size_ratio();
         Gauge::default().block(Block::default().borders(Borders::ALL)
             .title(format!("{} @0x{:x} - 0x{:x} [{}b/{}b]", 
                 section_info.name, section_info.start_adr, section_info.get_end_adr(), section_info.size, section_info.max_size)))
             .gauge_style(Style::default().fg(color).bg(Color::Black).add_modifier(Modifier::BOLD))
-            .ratio(adr_ratio).label(format!("{}%", adr_ratio*100.0f64))
+            .ratio(adr_ratio).label({
+                let adr_ratio = adr_ratio*100.0f64;
+                if adr_ratio > FLOAT_DISPLAY_LIMIT {
+                    format!("{:.width$}%", adr_ratio, width=PERCISION)
+                }
+
+                else {
+                    format!("< {:.width$}%", FLOAT_DISPLAY_LIMIT, width=PERCISION)
+                }
+            })
     }
 
     fn create_exit_message<'a>() -> Paragraph<'a> {