diff --git a/barclock/main.asm b/barclock/main.asm
new file mode 100644
index 0000000..d5f8313
--- /dev/null
+++ b/barclock/main.asm
@@ -0,0 +1,46 @@
+; menu bar clock
+
+loop:
+    ; if no time has passed, don't bother redrawing the clock
+    in r0, 0x80000705
+    cmp.8 r0, [second_counter]
+    ifz jmp loop_end
+    mov.8 [second_counter], r0
+
+    ; hour
+    in r0, 0x80000703
+    mov r1, 584
+    cmp r0, 12
+    ifgt call afternoon
+    mov r2, 0
+    mov r3, 0xFFFFFFFF
+    mov r4, 0xFF3F3F3F
+    mov r5, 30
+    call draw_decimal_to_overlay
+
+    ; separator
+    movz.8 r0, [second_counter]
+    rem.8 r0, 2
+    cmp r0, 0
+    ifz mov r0, ':'
+    ifnz mov r0, ' '
+    call draw_font_tile_to_overlay
+    add r1, 8
+
+    ; minute
+    in r0, 0x80000704
+    call draw_decimal_to_overlay
+
+loop_end:
+    call yield_task
+    rjmp loop
+
+afternoon:
+    sub r0, 12
+    add r1, 8
+    ret
+
+second_counter: data.8 0
+
+    #include "../../fox32rom/fox32rom.def"
+    #include "../fox32os.def"
diff --git a/base_image/startup.cfg b/base_image/startup.cfg
index eb3ef56..b3374fc 100644
--- a/base_image/startup.cfg
+++ b/base_image/startup.cfg
@@ -1 +1,2 @@
 launcherfxf
+barclockfxf
diff --git a/build.sh b/build.sh
index 76232a5..9c8a8c3 100755
--- a/build.sh
+++ b/build.sh
@@ -16,6 +16,9 @@ echo "assembling kernel"
 echo "assembling launcher"
 ../fox32asm/target/release/fox32asm launcher/main.asm base_image/launcher.fxf
 
+echo "assembling barclock"
+../fox32asm/target/release/fox32asm barclock/main.asm base_image/barclock.fxf
+
 echo "creating wallpapr.raw"
 ../tools/gfx2inc/target/release/gfx2inc 640 480 launcher/wallpaper.png launcher/wallpaper.inc
 ../fox32asm/target/release/fox32asm launcher/wallpaper.inc base_image/wallpapr.raw