Execute SNUSP: Difference between revisions
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{{out}}
<pre>Hello World!</pre>
=={{header|Phix}}==
{{trans|Go}}<lang Phix>integer id = 0, ipr = 1, ipc = 1
procedure step()
if and_bits(id,1) == 0 then
ipc += 1 - and_bits(id,2)
else
ipr += 1 - and_bits(id,2)
end if
end procedure
procedure snusp(integer dlen, string s)
sequence ds = repeat(0,dlen) -- data store
integer dp = 1 -- data pointer
-- remove leading '\n' from string if present
s = trim_head(s,'\n')
-- make 2 dimensional instruction store and set instruction pointers
sequence cs = split(s,'\n')
ipr = 1
ipc = 1
-- look for starting instruction
for i=1 to length(cs) do
ipc = find('$',cs[i])
if ipc then
ipr = i
exit
end if
end for
id = 0
-- execute
while ipr>=1 and ipr<=length(cs)
and ipc>=1 and ipc<=length(cs[ipr]) do
integer op = cs[ipr][ipc]
switch op do
case '>' : dp += 1
case '<' : dp -= 1
case '+' : ds[dp] += 1
case '-' : ds[dp] -= 1
case '.' : puts(1,ds[dp])
case ',' : ds[dp] = getc(0)
case '/' : id = not_bits(id)
case '\\': id = xor_bits(id,1)
case '!' : step()
case '?' : if ds[dp]=0 then step() end if
end switch
step()
end while
end procedure
constant hw = """
/++++!/===========?\>++.>+.+++++++..+++\
\+++\ | /+>+++++++>/ /++++++++++<<.++>./
$+++/ | \+++++++++>\ \+++++.>.+++.-----\
\==-<<<<+>+++/ /=.>.+>.--------.-/"""
snusp(5, hw)</lang>
{{out}}
<pre>
Hello World!
</pre>
=={{header|PicoLisp}}==
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