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retro.forth: clarify that non-zero is now true

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FossilOrigin-Name: 38c07e9ce04eaf86d51a91a6d80acd991bfcf892f97934f4b77375743203a56f
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crc 2020-12-22 03:42:29 +00:00
parent 6f6584401a
commit e3287b1ffa
1 changed files with 2 additions and 3 deletions
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@ -462,9 +462,8 @@ to:
Taking a break from combinators for a bit, I turn to some words Taking a break from combinators for a bit, I turn to some words
for comparing things. First, constants for TRUE and FALSE. for comparing things. First, constants for TRUE and FALSE.
Due to the way the conditional execution works, only these I define `TRUE` as -1 and `FALSE` as zero, but any non-zero
values can be used. This is different than in a traditional value will be treated as TRUE by the conditional words.
Forth, where non-zero values are true.
~~~ ~~~
:TRUE (-n) #-1 ; :TRUE (-n) #-1 ;