39 lines
714 B
Go
39 lines
714 B
Go
package vm
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import (
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"encoding/binary"
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)
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const VERSION = 0
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// VM Opcodes
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const (
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BACK = 0
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CATCH = 1
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CROAK = 2
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LOAD = 3
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RELOAD = 4
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MAP = 5
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MOVE = 6
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HALT = 7
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INCMP = 8
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_MAX = 8
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)
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// NewLine creates a new instruction line for the VM.
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func NewLine(instructionList []byte, instruction uint16, strargs []string, byteargs []byte, numargs []uint8) []byte {
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b := []byte{0x00, 0x00}
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binary.BigEndian.PutUint16(b, instruction)
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for _, arg := range strargs {
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b = append(b, uint8(len(arg)))
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b = append(b, []byte(arg)...)
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}
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if byteargs != nil {
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b = append(b, uint8(len(byteargs)))
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b = append(b, byteargs...)
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}
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if numargs != nil {
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b = append(b, numargs...)
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}
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return append(instructionList, b...)
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}
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