diff --git a/assembly/applications/halt_test.asm b/assembly/applications/halt_test.asm
index f919c16..7f99bb6 100644
--- a/assembly/applications/halt_test.asm
+++ b/assembly/applications/halt_test.asm
@@ -1,6 +1,9 @@
+org 0x00A0
+
+test:
 nop
 nop
 nop
 nop
 nop
-halt
+jp test
diff --git a/assembly/bios/main-dev.asm b/assembly/bios/main-dev.asm
new file mode 100644
index 0000000..3a06e4c
--- /dev/null
+++ b/assembly/bios/main-dev.asm
@@ -0,0 +1,2 @@
+org 0xA000  ; Set starting position to ram
+include 'main.asm'
\ No newline at end of file
diff --git a/assembly/bios/monitor.asm b/assembly/bios/monitor.asm
index 67539f2..75be49f 100644
--- a/assembly/bios/monitor.asm
+++ b/assembly/bios/monitor.asm
@@ -7,23 +7,23 @@
 ;   S (SET) $pos $val Replaces byte at $pos with $val
 ;   L (LOAD) $pos $val
 ;   R (RUN) $pos Starts executing code from $pos
-;   I (IMMEDIATE) Loads all the incoming bytes in application memory starting from $pos. When "0" is received 8 times starts executing the loaded code.
+;   A (ADB) Enters in Assembly Depoy Bridge mode: loads all the incoming bytes in application memory and starts executing.
 ; The commands are entered with a single letter and the program completes the command
 
 include 'libs/strings.asm'
 
 ; CONSTANTS
 ; All monitor commands are 3 chars long.
-MON_WELCOME: DB "PAT80 MEMORY MONITOR 0.1",10,0
+MON_WELCOME: DB "PAT80 MEMORY MONITOR 0.2",10,0
 MON_COMMAND_HELP: DB "HELP",0  ; null terminated strings
 MON_COMMAND_DUMP: DB "DUMP",0
 MON_COMMAND_SET: DB "SET",0
 MON_COMMAND_LOAD: DB "LOAD",0
 MON_COMMAND_RUN: DB "RUN",0
-MON_COMMAND_IMMEDIATE: DB "IMMEDIATE",0
+MON_COMMAND_ADB: DB "ADB",0
 MON_ARG_HEX: DB "    0x",0
-MON_HELP: DB 10,"Available commands: HELP, DUMP, SET, LOAD, RUN",0
-MON_MSG_IMMEDIATE: DB 10,"Waiting for data. 00000000 to execute.",0
+MON_HELP: DB 10,"Available commands:\nHELP prints this message\nDUMP shows memory content\nSET sets memory content LOAD\nRUN executes code\nADB starts Assembly Deploy Bridge",0
+MON_MSG_ADB: DB 10,"Waiting for data.",0
 MON_ERR_SYNTAX: DB "    Syntax error",0
 
 Monitor_main:
@@ -57,9 +57,9 @@ Monitor_main:
         ld hl, MON_COMMAND_RUN
         cp (hl)
         jp z, monitor_run
-        ld hl, MON_COMMAND_IMMEDIATE
+        ld hl, MON_COMMAND_ADB
         cp (hl)
-        jp z, monitor_immediate
+        jp z, monitor_adb
         ; Unrecognized command: print error and beep
         ld bc, MON_ERR_SYNTAX
         call Print
@@ -96,8 +96,8 @@ monitor_run:
     jp APP_SPACE    ; Start executing code
     jp monitor_main_loop
 
-monitor_immediate:
-    ld bc, MON_COMMAND_IMMEDIATE + 1 ; autocomplete command
+monitor_adb:
+    ld bc, MON_COMMAND_ADB + 1 ; autocomplete command
     call Print
     ; start copying incoming data to application space
     call monitor_copyTermToAppMem
diff --git a/assembly/dev-headers/README.md b/assembly/dev-headers/README.md
new file mode 100644
index 0000000..9fa8d81
--- /dev/null
+++ b/assembly/dev-headers/README.md
@@ -0,0 +1,4 @@
+# Dev-headers
+This directory contains the ASM files to be used with ADB.
+ADB (Assembly Debug Bridge) is the system to hot load code into PAT80 without needing to flash a rom chip. It works by selecting ADB command in the Memory Monitor running from ROM and sending the binary file via the Python Terminal Emulator (CTRL+A).
+The binary file must be compiled using files in this folder because these files contain an instruction to set the starting memory address to the address used by the Monitor to load the application data into RAM. 
diff --git a/assembly/dev-headers/monitor.asm b/assembly/dev-headers/monitor.asm
new file mode 100644
index 0000000..538af8f
--- /dev/null
+++ b/assembly/dev-headers/monitor.asm
@@ -0,0 +1,2 @@
+org 0xA000  ; Set starting position to ram
+include '../bios/main.asm'
\ No newline at end of file