diff --git a/core/src/cpu_808x/biu.rs b/core/src/cpu_808x/biu.rs
index 3305da7..f96cbc3 100644
--- a/core/src/cpu_808x/biu.rs
+++ b/core/src/cpu_808x/biu.rs
@@ -611,6 +611,10 @@ impl Cpu {
 
     pub fn biu_io_write_u8(&mut self, addr: u16, byte: u8, flag: ReadWriteFlag) {
 
+        if addr == 0x80 {
+            println!("biu_queue_write({}): {}", addr, byte);
+        }
+
         self.biu_bus_begin(
             BusStatus::IoWrite, 
             Segment::None, 
@@ -659,6 +663,10 @@ impl Cpu {
 
     pub fn biu_io_write_u16(&mut self, addr: u16, word: u16, flag: ReadWriteFlag) {
 
+        if addr == 0x80 {
+            println!("biu_queue_write({}): {}", addr, word);
+        }
+
         self.biu_bus_begin(
             BusStatus::IoWrite, 
             Segment::None, 
diff --git a/core/src/cpu_808x/execute.rs b/core/src/cpu_808x/execute.rs
index ccbcb54..a4e7627 100644
--- a/core/src/cpu_808x/execute.rs
+++ b/core/src/cpu_808x/execute.rs
@@ -34,6 +34,7 @@
 use crate::cpu_808x::*;
 use crate::cpu_808x::biu::*;
 use crate::util;
+use std::process::exit;
 
 
 /*
@@ -1404,6 +1405,7 @@ impl Cpu {
                 self.biu_suspend_fetch();
                 self.cycles(2);
                 self.biu_halt();
+                exit(0);
             }
             0xF5 => {
                 // CMC - Complement (invert) Carry Flag
diff --git a/core/src/machine.rs b/core/src/machine.rs
index de71300..b2e22b2 100644
--- a/core/src/machine.rs
+++ b/core/src/machine.rs
@@ -821,6 +821,7 @@ impl Machine {
                         log::error!("CPU Halted!");
                         self.cpu.trace_flush();
                         exec_control.state = ExecutionState::Halted;
+                        std::process::exit(0);
                     }
                     self.error = true;
                     self.error_str = Some(format!("{}", err));
@@ -882,7 +883,9 @@ impl Machine {
                             Err(err) => {
                                 if let CpuError::CpuHaltedError(_) = err {
                                     log::error!("CPU Halted!");
+                                    self.cpu.trace_flush();
                                     exec_control.state = ExecutionState::Halted;
+                                    std::process::exit(0);
                                 }
                                 self.error = true;
                                 self.error_str = Some(format!("{}", err));
diff --git a/frontends/martypc_pixels_desktop/src/lib.rs b/frontends/martypc_pixels_desktop/src/lib.rs
index c29e38d..f725975 100644
--- a/frontends/martypc_pixels_desktop/src/lib.rs
+++ b/frontends/martypc_pixels_desktop/src/lib.rs
@@ -612,6 +612,8 @@ pub fn run() {
 
         if let Some(prog_seg) = config.emulator.run_bin_seg {
             if let Some(prog_ofs) = config.emulator.run_bin_ofs {
+                println!("Loading program into memory at {:04X}:{:04X}.", prog_seg, prog_ofs);
+
                 let prog_vec = match std::fs::read(prog_bin.clone()) {
                     Ok(vec) => vec,
                     Err(e) => {
diff --git a/install/martypc.toml b/install/martypc.toml
index 0bb2822..3c32419 100644
--- a/install/martypc.toml
+++ b/install/martypc.toml
@@ -14,7 +14,7 @@ basedir = "./"
 auto_poweron = true
 
 # Run the emulator without gui
-headless = false
+headless = true
 
 # Run the instruction fuzzer (requires validator feature)
 fuzzer = false
@@ -35,13 +35,13 @@ debug_mode = false
 debug_warn = true
 
 # Don't load BIOS if true (not useful on its own)
-no_bios = false
+no_bios = true
 
 # Run the specified program instead of booting BIOS. The CPU reset vector will
 # be set to 'run_bin_seg:run_bin_ofs'
-#run_bin = "./program/a_effect.bin"
-#run_bin_seg = 0x1000
-#run_bin_ofs = 0x0000
+run_bin = "./test.bin"
+run_bin_seg = 0x0000
+run_bin_ofs = 0x0000
 
 # ----------------------------------------------------------------------------
 # Debug Tracing Options
@@ -56,9 +56,9 @@ no_bios = false
 #
 # Additionally, a valid value for trace_file must be supplied.
 #
-trace_on = false
-trace_mode = "Cycle"
-#trace_file = "./traces/instr_trace.log"
+trace_on = true
+trace_mode = "Instruction"
+trace_file = "./instr_trace.log"
 
 # Enable Video tracing. Video device may log memory and register read/writes.
 #video_trace_file = "./traces/video_trace.log"
@@ -81,7 +81,7 @@ video_frame_debug = false
 
 # Disable the GUI entirely. Use autostart=true or you'll have no way to start
 # the machine.
-gui_disabled = false 
+gui_disabled = true
 
 # Specify the base color for GUI control theme. Ideally use something dark and 
 # desaturated. Comment out for default EGUI theme.
@@ -105,7 +105,7 @@ off_rails_detection = false
 
 # Whether to enable instruction history by default. This slows down the 
 # emulator a modest amount when enabled.
-instruction_history = false
+instruction_history = true
 
 [input]
 # ----------------------------------------------------------------------------
@@ -127,6 +127,8 @@ reverse_mouse_buttons = false
 #model = "IBM_PC_5150"
 model = "IBM_XT_5160"
 
+keyboard_type = "ModelF"
+
 # ROM Override
 # ----------------------------------------------------------------------------
 # Specify a specific BIOS to load. This overrides MartyPC's ROM autodetection.
@@ -189,5 +191,3 @@ hdc = "None"
 type = "Arduino8088"
 trigger_address = 0xFFFF0
 trace_file = "./traces/validator_trace.log"
-
-