LSImage is a sprite converter for LameStation. It generates LameGFX sprite objects, like this one.
' *********************************************************
' frappy.png
' generated by img2dat v0.0.0
' *********************************************************
PUB Addr
return @gfx_data
DAT
gfx_data
word 64
word 16, 16
word $0aaa,$aa80 ' █████
word $00aa,$a000 ' ██████████
word $000a,$a000 ' ████████████
word $5002,$a3f5 ' █████░░░░▓▓▓█
word $0550,$a3fc ' ██░░░░███▓▓▓▓█
word $0004,$a35f ' █░██████▓▓░░▓█
word $c551,$a317 ' ░█░░░░█▓▓░░█▓█
word $1554,$8717 ' █░░░░░░█▓░░█▓░█
word $1554,$87ff ' █░░░░░░█▓▓▓▓▓░█
word $1554,$1fff ' █░░░░░░█▓▓▓▓▓▓░█
word $3554,$003f ' █░░░░░▓█▓▓▓█████
word $0d54,$8fff ' █░░░░▓██▓▓▓▓▓▓█
word $03fc,$a3fc ' █▓▓▓▓████▓▓▓▓█
word $0002,$a000 ' █████████████
word $0aaa,$aa80 ' █████
word $aaaa,$aaaa '
word $0aaa,$aa80 ' █████
word $00aa,$a000 ' ██████████
word $0002,$a000 ' █████████████
word $5154,$a3f5 ' █░░░░█░░░░▓▓▓█
word $03fc,$a3fc ' █▓▓▓▓████▓▓▓▓█
word $07fc,$a35f ' █▓▓▓▓░██▓▓░░▓█
word $cffd,$a317 ' ░▓▓▓▓▓█▓▓░░█▓█
word $1ffc,$8717 ' █▓▓▓▓▓░█▓░░█▓░█
word $3ffc,$87ff ' █▓▓▓▓▓▓█▓▓▓▓▓░█
word $0ff0,$1fff ' ██▓▓▓▓██▓▓▓▓▓▓░█
word $0000,$003f ' ████████▓▓▓█████
word $0002,$aa3f ' ███████▓▓▓█
word $02aa,$a8fc ' ████▓▓▓█
word $02aa,$a3c0 ' ██████▓▓█
word $0aaa,$a800 ' ███████
word $aaaa,$aaaa '
It also includes a command line tool called img2dat that can be used for batch processing of LameStation images.