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| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/openbios/forth/lib/lists.fs | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/openbios/forth/lib/lists.fs')
| -rw-r--r-- | roms/openbios/forth/lib/lists.fs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/roms/openbios/forth/lib/lists.fs b/roms/openbios/forth/lib/lists.fs new file mode 100644 index 000000000..91f7867b9 --- /dev/null +++ b/roms/openbios/forth/lib/lists.fs @@ -0,0 +1,26 @@ +\ tag: misc useful functions +\ +\ Misc useful functions +\ +\ Copyright (C) 2003 Samuel Rydh +\ +\ See the file "COPYING" for further information about +\ the copyright and warranty status of this work. +\ + +\ ------------------------------------------------------------------------- +\ statically allocated lists +\ ------------------------------------------------------------------------- +\ list-head should be a variable + +: list-add ( listhead -- ) + here 0 , swap \ next, [data...] + ( here listhead ) + begin dup @ while @ repeat ! +; + +: list-get ( listptr -- nextlistptr dictptr true | false ) + @ dup if + dup na1+ true + then +; |