83 lines
1.5 KiB
Lua
83 lines
1.5 KiB
Lua
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Gate = {}
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function Gate.new(objref, definition)
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local o = {
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objref = objref,
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definition = definition,
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ports = {},
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port_nets = {},
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in_queue = false,
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logic = definition.logic,
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}
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return o
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end
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function Gate.addport(gate, port)
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gate.ports[#gate.ports+1] = port
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Port.setgate(port, gate)
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end
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function Gate.getportstate(gate, index)
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return gate.port_nets[index].state
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end
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function Gate.setportstate(gate, index, state)
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local port = gate.ports[index]
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if state ~= port.state then
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local group = port.group
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group.state_num = group.state_num - (port.state and 1 or 0) + (state and 1 or 0)
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port.state = state
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if (group.state_num>0) ~= group.state then
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Simulation.queuegroup(GSim, group)
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end
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end
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end
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function Gate.initdata(gate)
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gate.data = {}
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end
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function Gate.getdata(gate)
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return gate.data
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end
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function Gate.getportisrising(gate, index)
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return Port.isrising(gate.ports[index])
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end
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function Gate.getportisfalling(gate, index)
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return Port.isfalling(gate.ports[index])
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end
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function Gate.cb(gate, ...)
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Simulation.queuecallback(GSim, gate, ...)
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end
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function Gate.queue(gate, delay)
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Simulation.queuegatelater(GSim, gate, delay)
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end
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function Gate.gettick(gate)
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return GSim.currenttick
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end
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function Gate.getdefinition(gate)
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return gate.definition
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end
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-- Logic functions
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function Gate.init(gate)
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Gate.getdefinition(gate).init(gate)
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end
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function Gate.logic(gate)
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gate.logic(gate)
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end
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function Gate.input(gate, argv)
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Gate.getdefinition(gate).input(gate, argv)
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end
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