" print up to next "
! print CR/LF inside "'s
? read number from stdin and push
! pop number from stack and
print it
n push the integer n onto stack
A-Z push address of variable on
stack
. replace address on stack with
value
= pop value, pop address, write
value at address
+ pop a, pop b, push a + b
- pop a, pop b, push a - b
* pop a, pop b, push a * b
/ pop a, pop b, push a / b
[ pop c, if c<=0 then skip to ] on
same level
) loop back to previous ( at same
level
^ pop c, if c!=0 then break out of
loop
#M; substitute M with any single
letter to call macro M with no
arguments
#M,args; substitute M with any
single letter and args with
one to 26 comma-separated
arguments to call a macro
with one or more arguments.
@ terminates a macro definition (return)
%A push the value of parameter A
(substitute any single letter
for A)
$A the beginning of macro A
substitute any single letter for A)