; add one to pos
one NULL -1
NULL pos -1
NULL NULL -1
 
; copy in the pointer
writepos writepos -1
quitpos quitpos -1
pos NULL -1
NULL writepos -1
NULL quitpos -1
NULL NULL -1
 
quitpos:
0 NULL QUIT

writepos:
0 WRITE -1
 
NULL NULL CODESTART
 
one: 1
pos: hello-1
hello:
-72
-101
-108
-108
-111
-44
-32
-119
-111
-114
-108
-100
-10
0