Browse code
(fib.tal) Formatted
Devine Lu Linvega authored on 21/07/2023 17:18:49
Showing 1 changed files
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@@ -1,54 +1,47 @@ |
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-( Fibonacci: |
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- A series of numbers where the next number |
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- is made of the two numbers before it ) |
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- |
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-|0100 @on-reset |
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- |
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- #0019 #0000 |
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- &l |
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- DUP2 pdec #2018 DEO |
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- DUP2 fib pdec #2018 DEO |
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- DUP2 #0000 #0001 ROT2 fibr pdec #0a18 DEO POP2 POP2 |
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- INC2 GTH2k ?&l |
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+( Fibonacci: Numbers made of the two numbers before it ) |
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+ |
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+|0100 |
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+ |
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+@on-reset |
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+ #0019 #0001 |
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+ &l ( -- ) |
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+ ( index ) DUP2 pdec #2018 DEO |
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+ ( recursive ) DUP2 fib pdec #2018 DEO |
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+ ( tail-recursive ) DUP2 #0000 #0001 ROT2 fibr pdec |
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+ ( lb ) #0a18 DEO |
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+ POP2 POP2 INC2 GTH2k ?&l |
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POP2 POP2 |
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- #800f DEO |
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+ ( end ) #800f DEO |
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+ BRK |
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-BRK |
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- |
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-( recursive ) |
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+( |
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+@|recursive ) |
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@fib ( num* -- numfib* ) |
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- #0001 GTH2k ?&ok |
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- POP2 JMP2r &ok |
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- SUB2k fib STH2 INC2 |
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- SUB2 fib STH2r |
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- ADD2 |
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-JMP2r |
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+ #0001 GTH2k ?&>ok |
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+ POP2 JMP2r &>ok |
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+ ( a ) SUB2k fib STH2 |
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+ ( b ) INC2 SUB2 fib STH2r |
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+ ( res ) ADD2 JMP2r |
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-( tail-recursive ) |
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+( |
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+@|tail-recursive ) |
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@fibr ( a* b* num* -- a* b* numfib* ) |
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- ORAk ?&no-0 |
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- POP2 OVR2 JMP2r &no-0 |
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- DUP2 #0001 NEQ2 ?&no-1 |
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- POP2 DUP2 JMP2r &no-1 |
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- #0001 SUB2 STH2 |
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- SWP2 ADD2k NIP2 STH2r |
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-!fibr |
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+ DUP2 #0001 NEQ2 ?&>no-1 |
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+ POP2 DUP2 JMP2r &>no-1 |
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+ ( a ) #0001 SUB2 STH2 |
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+ ( b ) SWP2 ADD2k NIP2 STH2r !fibr |
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| 38 | 35 |
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-( print routine ) |
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+( |
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+@|stdlib ) |
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@pdec ( short* -- ) |
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- |
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#2710 LIT2r 00fb |
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- &w |
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- DIV2k #000a DIV2k MUL2 SUB2 SWPr |
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- EQUk OVR STHkr EQU AND ?&skip |
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- DUP LIT "0 ADD #19 DEO INCr |
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- &skip |
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- POP2 #000a DIV2 |
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- SWPr INCr STHkr ?&w |
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- POP2r POP2 POP2 |
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- |
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-JMP2r |
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+ &w ( -- ) |
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+ DIV2k #000a DIV2k MUL2 SUB2 SWPr EQUk OVR STHkr EQU AND ?&>skip |
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+ DUP LIT "0 ADD #18 DEO |
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+ INCr &>skip |
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+ POP2 #000a DIV2 SWPr INCr STHkr ?&w |
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+ POP2r POP2 POP2 JMP2r |
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| 54 | 47 |
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