The codes after 0x80 represent the weird symbols and stuff on the right of the screen. The table won't
let me put in comments, so here is a guide:
17 = BU
18 = UY
19 = SE
1A = LL
1B = EX
1C = IT
1D = X
1E = check
1F = weird x
20 = LL
21 = EX
22 = IT
23 = X
24 = check