How many characters of code did you use?
548 (deobfuscated)

Include your code here, if you'd like to show it off!
t='bf01c001c001c101c101c101c201c201c201c201c301c301c301c301c301c401c401c401c401c401c401c501c501c501c501c501c501c501c601c601c601c601c601c601c601c6010000'
if(#t\4==0)stop()
cls()
n=tonum
ip=1
d={}
for i=0,255do
d[i]=0
end
d[0]=255
d[1]=1
tk={}
for i=0,#t\4-1do
add(tk,sub(t,i*4+1,i*4+4))
end
::_::
a=n('0x'..sub(tk[ip],1,2))
b=n('0x'..sub(tk[ip],3,4))
if a==0then
ip=b
else
d[a+1]-=d[b+1]-1
d[a+1]%=256
end
for i=192,256do
l=i-192
rectfill((l%8)*16,(l\8)*16,(l%8)*16+15,(l\8)*16+15,d[i])
end
flip()
ip+=1
if(ip>#tk)stop()
goto _