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uxn/projects/examples/exercises/fib.tal
2023-06-01 21:53:28 -07:00

38 lines
539 B
Tal

( Fibonacci:
A series of numbers where the next number
is made of the two numbers before it )
|100
#0019 #0000
&l
DUP2 pdec #2018 DEO
DUP2 fib pdec #0a18 DEO
INC2 GTH2k ?&l
POP2 POP2
#010f DEO
BRK
@fib ( num -- numfib* )
#0001 GTH2k ?&ok
POP2 JMP2r &ok
SUB2k fib STH2 INC2
SUB2 fib STH2r
ADD2
JMP2r
@pdec ( short* -- )
#2710 LIT2r 00fb
&w
DIV2k #000a DIV2k MUL2 SUB2 SWPr
EQUk OVR STHkr EQU AND ?&skip
DUP LIT "0 ADD #19 DEO INCr
&skip
POP2 #000a DIV2
SWPr INCr STHkr ?&w
POP2r POP2 POP2
JMP2r