Ok, if any of you are familiar with Lucky's Tile Scrolling Tutorial, this will probably be fairly easy for you to awnser.

In the coding there is this part that generates a large, random map:

'Load the map array with random tiles
Randomize
For i = 0 To UBound(mbytMap, 1)
For j = 0 To UBound(mbytMap, 2)
mbytMap(i, j) = CByte(Rnd() * 3)
Next j
Next i

How can I edit this block of coding to instead load map data from a *.txt file with map data? IE, something like:

001G5
08392
589K6
3RD79

You dont have to give exact coding, just the theory on how to do it. Ive done a map loading function before that loaded map data into a game, but it doesnt apply here since I did it way too different than what I think this system can allow.