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Arrow key support in Neut Tower

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This commit is contained in:
Jeremy Penner 2021-07-24 21:39:59 -04:00
parent 897f0bbe55
commit 62ea08aa24
2 changed files with 8 additions and 5 deletions
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NeutTower.dsk
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neuttower/player.fnl
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@ -3,12 +3,15 @@
(local {: walkable : neutable : debris : sittable} (tile.flag-to-bit)) (local {: walkable : neutable : debris : sittable} (tile.flag-to-bit))
(vm:word :either= ; target val1 val2 -- f
:>rot :over := :>rot := :|)
(vm:word :movement-dir ; key -- dyx (vm:word :movement-dir ; key -- dyx
(vm:case [(string.byte "I") 0xff00] (vm:ifchain [:dup (string.byte "I") 0x0b :either=] [:drop 0xff00]
[(string.byte "J") 0x00ff] [:dup (string.byte "J") 0x08 :either=] [:drop 0x00ff]
[(string.byte "K") 0x0001] [:dup (string.byte "K") 0x15 :either=] [:drop 0x0001]
[(string.byte "M") 0x0100] [:dup (string.byte "M") 0x0a :either=] [:drop 0x0100]
[:else 0x0000])) [:drop 0x0000]))
(vm:def :yx+ ; yx yx -- yx (vm:def :yx+ ; yx yx -- yx
[:lda vm.TOP :x] [:lda vm.TOP :x]