cleaned up some stuff, just the T408 right now
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d50ccc7dde
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bc92154936
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@ -1,2 +0,0 @@
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default
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digilines
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@ -1,136 +0,0 @@
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local MEMSIZE=16 -- does this still apply?
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local SHUTUP = false
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if not digiline then
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print("Digilines not found.")
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return
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end
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local path = minetest.get_modpath(minetest.get_current_modname())
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local t400 = dofile(path.."/t400.lua")
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local oldprint=print
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local function print(...)
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if SHUTUP then return end
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for k,v in ipairs({...}) do
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oldprint("[Test3D:T400] "..tostring(v))
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end
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end
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print("Loading.")
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local function pos2string(pos)
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return tostring(pos.x)..","..tostring(pos.y)..","..tostring(pos.z)
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end
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local function push(pos,val)
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local meta = minetest.get_meta(pos)
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local sstring = ""
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local sstab = string.split(meta:get_string("stack"),"\n")
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sstab[#sstab+1] = tostring(tonumber(val) % 4096)
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if #sstab > MEMSIZE then
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table.remove(sstab,1)
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end
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for k,v in ipairs(sstab) do
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sstring = sstring .. v .. "\n"
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end
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meta:set_string("stack",sstring)
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end
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function rqaddr(pos,addr,tp)
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local meta = minetest.get_meta(pos)
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meta:set_string("state","waiting"..tostring(tp))
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meta:set_string("addr",addr)
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print("rqaddr: "..addr.." "..tp)
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digiline:receptor_send(pos,digiline.rules.default,meta:get_string("channel")..string.format("%X",tonumber(addr)),"get")
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end
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local function t400_set_meta(pos)
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local meta = minetest.get_meta(pos)
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local stab = {}
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stab.stack,stab.rstack = {},{}
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for i = 1, MEMSIZE do
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stab.stack[#stab.stack+1] = 0
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stab.rstack[#stab.stack+1] = 0
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end
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stab.cins = 0
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stab.pc = 0
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meta:set_string("stab",minetest.serialize(stab))
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meta:set_string("channel","")
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meta:set_string("rw","")
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meta:set_string("state","running")
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meta:set_int("pc",0)
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meta:set_string("formspec","size[5,5]\nlabel[0.4,0.5;T400 Execution Node]\nfield[0.5,2;4,1;channel;Channel prefix;${channel}]\nfield[0.5,3;4,1;pc;Program Counter;${pc}]field[0.5,4;4,1;state;State;${state}]")
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print("Set metadata for a T400 node at "..pos2string(pos))
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end
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minetest.register_node("test3d_t400:t400", {
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description = "T400 Execution Node",
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tiles = {
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{
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image="t400.png",
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animation={
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type = "vertical_frames",
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aspect_w=16,
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aspect_h=16,
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length=18,
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length=1.8,
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},
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},
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},
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groups = {snappy=1,choppy=2,oddly_breakable_by_hand=2,flammable=3},
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on_construct = t400_set_meta,
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on_receive_fields = function(pos,_,fields,sender)
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print("Received fields for a T400 node at "..pos2string(pos))
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for k,v in pairs(fields) do print(tostring(k).." = "..tostring(v)) end
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local meta = minetest.get_meta(pos)
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if fields.channel ~= nil then
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meta:set_string("channel",fields.channel)
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end
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if fields.pc ~= nil then
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local stab = minetest.deserialize(meta:get_string("stab"))
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stab.pc = tonumber(fields.pc)
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meta:set_int("pc",fields.pc) -- for display only
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meta:set_string("stab",minetest.serialize(stab))
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end
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if fields.state ~= nil then
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meta:set_string("state",fields.state)
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end
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end,
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digiline = {
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receptor = {},
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effector = {
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action = function(pos,node,channel,msg)
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local meta = minetest.get_meta(pos)
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local stab = minetest.deserialize(meta:get_string("stab"))
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print(meta:get_string("state").." "..meta:get_string("addr"),channel.." "..msg.." = "..meta:get_string("channel")..string.format("%X",meta:get_string("addr")))
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if meta:get_string("state") == "waitingread" and meta:get_string("channel")..string.format("%X",meta:get_string("addr")) == channel then
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push(pos,tonumber(msg)%4096)
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rqaddr(pos,stab.pc,"ins")
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elseif meta:get_string("state") == "waitingins" and meta:get_string("channel")..string.format("%X",meta:get_string("addr")) == channel then
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stab.ins = (tonumber(msg)%4096)
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meta:set_string("state","running")
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end
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end
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}
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}
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})
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print("T400 node registered")
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minetest.register_abm({
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nodenames={"test3d_t400:t400"},
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interval=1,
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chance=1,
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action = function(pos)
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local meta = minetest.get_meta(pos)
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if meta:get_string("state") ~= "running" then return false end
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local stab = minetest.deserialize(meta:get_string("stab"))
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local stab, rw, addr, dat = t400.run(stab)
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meta:set_int("pc",stab.pc)
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meta:set_string("stab",minetest.serialize(stab))
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print(minetest.serialize(stab))
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if rw == "read" then
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rqaddr(pos,addr,rw)
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else
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if rw == "write" then
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digiline:receptor_send(pos,digiline.rules.default,meta:get_string("channel")..string.format("%X",addr),dat)
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end
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rqaddr(pos,stab.pc,"ins")
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end
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end
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})
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local t = {}
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-- internal state
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--- program counter (pc)
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--- current instruction (ci) -- only passed from the environment to the emulator
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--- stack (stack)
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local function pop(s)
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return table.remove(s,#s) or 0
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end
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local function push(s,v)
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v=v or 0
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s[#s+1] = v%4096
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if #s > 16 then
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table.remove(s,1)
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end
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end
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function t.run(stab)
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-- variables
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local pc = stab.pc or 1
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local ci = stab.cins or 0
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local stack = stab.stack or {}
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local rstack = stab.rstack or {}
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local pci = 1
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local rw = nil
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local addr = 0
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local dat = 0
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-- instruction processing
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if ci == 4095 then -- ppc
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push(stack,pc)
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elseif ci == 4094 then -- swp
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a=pop(stack)
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b=pop(stack)
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push(stack,a)
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pusk(stack,b)
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elseif ci == 4093 then -- read
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rw = "read" -- terrible IPC
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addr = pop(stack)
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elseif ci == 4092 then -- write
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rw = "write"
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addr = pop(stack)
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dat = pop(stack)
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elseif ci == 4091 then -- add
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push(stack,pop(stack)+pop(stack))
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elseif ci == 4090 then -- sub
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push(stack,pop(stack)+pop(stack))
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elseif ci == 4089 then -- jmp
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pc = pop(stack)
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pci = 0
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elseif ci == 4088 then -- sez
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if pop(stack) == 0 then
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pci = pci + 1
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end
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elseif ci == 4087 then -- jez
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local a = pop(stack)
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if pop(stack) == 0 then
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pc = a
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pci = 0
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end
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elseif ci == 4086 then -- jsr
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push(rstack,pc)
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pc = pop(stack)
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pci = 0
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elseif ci == 4085 then -- ret
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pc = pop(rstack)
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elseif ci == 4084 then -- dup
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local v = pop(stack)
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push(stack,v)
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push(stack,v)
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elseif ci == 4083 then -- drop
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pop(stack)
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elseif ci == 4082 then -- hlt
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rw = "halt"
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else
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push(stack,ci)
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end
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-- return stuff
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stab = {}
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stab.pc = pc + pci -- increment pc
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stab.cins = 0
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stab.stack = stack
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stab.rstack = rstack
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return stab, rw, addr, dat
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end
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return t
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@ -1,2 +0,0 @@
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default
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digilines
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@ -1,68 +0,0 @@
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local MEMSIZE=16
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if not digiline then
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print("Digilines not found.")
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return
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end
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local oldprint=print
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local function print(...)
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for k,v in ipairs({...}) do
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oldprint("[Test3D:T416] "..tostring(v))
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end
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end
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print("Loading.")
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local function t416_digiline_receive(pos, node, channel, msg)
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--print("Digiline: "..tostring(pos.x)..","..tostring(pos.y)..","..tostring(pos.z).."; Channel: "..tostring(channel).."; Message: "..tostring(msg))
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local meta = minetest.get_meta(pos)
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local mem = string.split(meta:get_string("mem"),"\n")
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local ms = ""
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local chan = meta:get_string("channel")
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local memoffset = meta:get_int("startaddr")
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if channel:sub(1,#chan) == chan and tonumber(channel:sub(#chan+1),16)+1-memoffset <= MEMSIZE and tonumber(channel:sub(#chan+1),16)+1-memoffset > 0 then
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local memaddr = tonumber(channel:sub(#chan+1),16)+1-memoffset
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if tostring(msg):lower() == "get" then
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digiline:receptor_send(pos, digiline.rules.default, channel, tonumber(mem[memaddr] or 0))
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print("Reading address "..tostring(memaddr)..": "..tostring(mem[memaddr]))
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else
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mem[memaddr] = tonumber(msg) or 0
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for k,v in ipairs(mem) do
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ms = ms .. tostring(v) .. "\n"
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end
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meta:set_string("mem",ms)
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print("Set address "..tostring(memaddr).." to "..tostring(tonumber(msg)))
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end
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end
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end
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print("Created T416 digiline function")
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local function t416_set_meta(pos)
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local meta = minetest.get_meta(pos)
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local ms = ""
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for i = 1, MEMSIZE do
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ms = ms .. "0\n"
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end
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meta:set_string("mem",ms)
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meta:set_string("channel","Default")
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meta:set_int("startaddr",0)
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meta:set_string("formspec","size[5,12]\nlabel[0.4,0.5;T416 Memory Node (16 words)]\nfield[0.5,2;4,1;channel;Channel prefix;${channel}]\nfield[0.5,3;4,1;startaddr;Starting address;${startaddr}]\ntextarea[0.5,4;4,8;mem;Memory contents;${mem}]")
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end
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minetest.register_node("test3d_t416:t416", {
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description = "T416 Memory Node",
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tiles = {"t416-top.png","t416-top.png","t416-side.png","t416-side.png","t416-side.png","t416-side.png"},
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on_construct = t416_set_meta,
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groups = {snappy=1,choppy=2,oddly_breakable_by_hand=2,flammable=3},
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digiline = {
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receptor = {},
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effector = {
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action = function (a,b,c,d) pcall(t416_digiline_receive,a,b,c,d) end
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}
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},
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on_receive_fields = function(pos,_,fields,sender)
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if fields.channel == nil then return end
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local meta = minetest.get_meta(pos)
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fields.channel = fields.channel or ""
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meta:set_string("channel",fields.channel)
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meta:set_int("startaddr",tonumber(fields.startaddr))
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end
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})
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print("T416 node registered")
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