# Lc3 LDR and stored value

I can't figure out why `After instruction "LDR R3, R0, 2" is executed, the value stored in R3 is x370C.`

what does 2 mean in this instruction? It doesn't sound like lasting value. I understand that at this point R0 contains x370C. Can someone help? Many thanks!

``````.ORIG X3700
LEA R0, A
LDI R2, C
LDR R3, R0, 2
AND R1, R1, #0
IN
ST R0, D
JSR  F
HALT
F LD  R1, B
BRp F
RET

A .FILL X1234
B .FILL X370B
C .FILL X370C
D .BLKW 2
E .STRINGZ "ABCD"
G .FILL X1234
.END
```

```
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The second parameter is the offset of the base address that will be loaded.

I started taking pictures to post here and make a good explanation, but I found an interesting lecture video that will explain much better than words and save a lot of time.

The video explains the differences between the loading instructions for LC3, highlighting the differences between them.

You have data:

``````A .FILL X1234
B .FILL X370B
C .FILL X370C
```

```

Running the code:

``````LEA R0, A      -- R0 has the address of A
LDI R2, C      -- R2 has value of which address C has
LDR R3, R0, 2  -- R3 has the value of C
-- because R0 has the address of A + 2 positions = C
```

```
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