I’m having trouble getting this subroutine I’m writing to work. Basically, I am trying to have a subroutine where I would set R0 to a value in some array (R3) with an offset of R1. This is the line I’m trying to get to work : It gives me the error : Expected 6 bit … Read more
The second parameter is the offset of the base address that will be loaded. I started to take some pictures to post here and make a good explanation but I found an interesting lecture video that will explain much better than words and will save a lot of time. LC3 Instructions – LD, LDR, LDI, … Read more
The origin of the code is x3700, and you have 12 instructions, so the address of A will be x3700 + x0C = x370C. As you guessed, LEA R0,A loads the address of A into R0, so R0 will contain x370C after that first instruction has been executed.