26 lines
549 B
Fennel
26 lines
549 B
Fennel
(local {: vm} (require :game.defs))
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(local speaker :0xc030)
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(vm:def :blipmem ; count p --
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[:block
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[:lda [vm.ST1 :x]]
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[:tay]
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:sample
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[:lda speaker]
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[:lda [vm.TOP :x]]
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[:inc vm.TOP :x]
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[:bne :wait]
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[:inc vm.TOPH :x]
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:wait
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[:clc] [:adc 1]
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[:bne :wait]
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[:dey]
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[:bne :sample]]
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(vm:drop) (vm:drop))
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(var noisebytes "")
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(for [i 0 0x40] (set noisebytes (.. noisebytes (string.char (math.random 0 255)))))
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(vm.code:append :noise [:bytes noisebytes])
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(vm:word :snd-explode 0x40 :lit :noise :blipmem)
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