diff --git a/src/main.rs b/src/main.rs
index 3e67949..545ff9e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -268,6 +268,13 @@ fn main() -> Result<(), anyhow::Error> {
 
                                         .help("The format to print the values in (<fmt><size>)"),
                                     )
+                                    .arg(
+                                        Arg::new("phys")
+                                        .long("phys")
+                                        .short('p')
+                                        .action(ArgAction::SetTrue)
+                                        .help("Peek physical memory instead of virtual memory"),
+                                    )
                                     .arg(Arg::new("addr").required(true))
                                     .about("Peek a memory address"),
                                     |args, state| {
@@ -291,14 +298,27 @@ fn main() -> Result<(), anyhow::Error> {
                                         }
                                         let mut data = Vec::new();
                                         let bus = state.cpu.bus_mut();
-                                        for i in 0..count {
-                                            match size {
-                                                peek::Size::Byte => data.push(bus.read_byte(addr + i)? as u32),
-                                                peek::Size::Word => data.push(bus.read_word(addr + (i * 2))? as u32),
-                                                peek::Size::LongWord => data.push(
-                                                    (bus.read_word(addr + (i * 4))? as u32) << 16
-                                                    | (bus.read_word(addr + (i * 4) + 2)? as u32),
-                                                ),
+                                        if args.get_flag("phys") {
+                                            for i in 0..count {
+                                                match size {
+                                                    peek::Size::Byte => data.push(bus.read_byte_phys(addr + i)? as u32),
+                                                    peek::Size::Word => data.push(bus.read_word_phys(addr + (i * 2))? as u32),
+                                                    peek::Size::LongWord => data.push(
+                                                        (bus.read_word_phys(addr + (i * 4))? as u32) << 16
+                                                        | (bus.read_word_phys(addr + (i * 4) + 2)? as u32),
+                                                    ),
+                                                }
+                                            }
+                                        } else {
+                                            for i in 0..count {
+                                                match size {
+                                                    peek::Size::Byte => data.push(bus.read_byte(addr + i)? as u32),
+                                                    peek::Size::Word => data.push(bus.read_word(addr + (i * 2))? as u32),
+                                                    peek::Size::LongWord => data.push(
+                                                        (bus.read_word(addr + (i * 4))? as u32) << 16
+                                                        | (bus.read_word(addr + (i * 4) + 2)? as u32),
+                                                    ),
+                                                }
                                             }
                                         }
                                         Ok(Some(