45 lines
831 B
Go
45 lines
831 B
Go
//go:build ignore
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// +build ignore
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package main
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import "os"
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import cre "git.tebibyte.media/sashakoshka/creature"
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func main() {
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// this is a simple echo program. it will take in input indefinetly and
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// repeat it. due to line buffering in the terminal however, it will
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// only print output once you have pressed enter.
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machine := cre.Machine[int]{}
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machine.LoadProgram([]int{
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cre.PUSH, 0,
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cre.CAL,
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cre.PUSH, 1,
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cre.CAL,
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cre.PUSH, 1,
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cre.PUSH, 0,
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cre.JMP,
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})
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machine.Register(0, read)
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machine.Register(1, write)
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err := machine.Execute(0)
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if err != nil {
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panic(err.Error())
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}
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}
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func read(machine *cre.Machine[int]) (stop bool) {
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ch := []byte{0}
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os.Stdin.Read(ch)
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machine.Push(int(ch[0]))
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return
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}
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func write(machine *cre.Machine[int]) (stop bool) {
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print(string(rune(machine.Pop())))
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return
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}
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