error- unknown why

[mrromine]

im just staring batari basic and i dont now what the syntax error is in this code

set romsize 32kSC
set tv ntsc
set kernel_options no_blank_lines
set smartbranching on
COLUBK = $00
COLUPF = $0E
const noscore = 1
const pfres=20
dim l = 0
playfield:
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
.XX...........................XX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
end

main
l=l+1
AUDC0 = 05
AUDF0 = 15
AUDV0 = l
drawscreen
goto main

[+Random Terrain]

You might want to attach your .bas file. If you don't know how, here's how to do it:

atariage.com/forums/topic/181045-how-to-attach-files-and-images/

[pacgreg]

Im on my phone but it looks like youre using dim wrong

you first make a name for a variable ie

dim variablename = a

then you can define its value

variablename = 0

[pacgreg]

Im on my phone but it looks like youre using dim wrong

you first make a name for a variable ie

dim variablename = a

then you can define its value

variablename = 0