Machine Editor 1 showing the boot sector loaded at 0,0,124,0.
Machine Editor 1 showing the boot sector again, but this time in hex mode.
Machine Editor 2 showing some load code.
The F1 menu for loading code or data from disk into memory.
The F2 menu for saving code or data back to disk from memory.
You can switch into monitor program mode at any time, thus making it easy to debug any freeze in the OS or any application unless the fault's in an interrupt routine. The numbers in the last four lines of the screen show the contents of the CPU registers and the line of indexed machine code about to be run (bottom right).
The control room - this is the MSB-OS equivalent of the desktop.
Loading in an application program - in this case a more advanced version of the text editor.
F1 menu within text editor to load txt or tx+ files.
First page of the manual.
Running example code embedded in the text of the manual through the monitor program.
Changing screen mode to draw.