This will now list your games directory as shown in the grab. Step 2 Beacuse mayraid.prg was saved to disk from the machine code monitor the game will have to be loaded back in to memory the same way. This will load myraid.prg back into it's correct memory loaction. Looking at the screen grab you can now see you have entered the built-in machine code monitor. Once the game has loaded into memory the flashing curser prompt will appear.
L is the load command.
The load command causes a file to be loaded into memory. In other words the load command always loads a file into the same place it was saved from. As with games that have an SYS code in the file name this is the startup code to run the game. The number eg. In short SYS codes do the same thing but from basic.