T400: Fixed sez and replaced dup with ppc, which puts the program counter on the stack, for jumps and returns and stuff.

Also added the T410, a memory console.

test3d_t400/init.lua

@@ -1,10 +1,13 @@
 local MEMSIZE=16
+local SHUTUP = false
 if not digiline then
  print("Digilines not found.")
  return
 end
+local path = minetest.get_modpath(minetest.get_current_modname())
 local oldprint=print
 local function print(...)
+ if SHUTUP then return end
  for k,v in ipairs({...}) do
   oldprint("[Test3D:T400] "..tostring(v))
  end
@@ -19,7 +22,7 @@ local function push(pos,val)
  local meta = minetest.get_meta(pos)
  local sstring = ""
  local sstab = string.split(meta:get_string("stack"),"\n")
- sstab[#sstab+1] = tostring(tonumber(val))
+ sstab[#sstab+1] = tostring(tonumber(val) % 4096)
  if #sstab > 16 then
   table.remove(sstab,1)
  end
@@ -38,7 +41,7 @@ local function pop(pos)
  end
  meta:set_string("stack",sstring)
  if not sval then sval = 0 end
- return sval
+ return tonumber(sval) % 4096
 end
 
 local function t400_digiline_receive(pos, node, channel, msg)
@@ -108,15 +111,13 @@ minetest.register_abm({
  chance=1,
  action = function(pos)
   local meta = minetest.get_meta(pos)
+  local nins = 1
   if meta:get_string("state") == "running" then
    local skipnext = false
    print("Attempting to run T400 node at "..pos2string(pos))
    local ci = meta:get_int("ci")
    if ci == 4095 then
-    local dat = pop(pos)
+    push(pos,meta:get_int("pc"))
-    push(pos,dat)
-    push(pos,dat)
-    print("Duplicated "..tostring(dat).." at "..tostring(pos.x)..","..tostring(pos.y)..","..tostring(pos.z))
    elseif ci == 4094 then
     local a = pop(pos)
     local b = pop(pos)
@@ -143,15 +144,18 @@ minetest.register_abm({
     print("Jumping to "..tostring(npc))
     meta:set_int("pc",npc)
    elseif ci == 4088 then
-    if pop(pos) == 0 then
+    local val = pop(pos)
-     meta:set_int("pc",meta:get_int("pc")+1)
+    print(val,type(val))
+    if val == 0 then
+     print("Skipping because "..tostring(val).." = 0")
+     nins=nins+1
     end
    else
     print("Pushing "..ci.." to "..pos2string(pos))
     push(pos,ci)
    end
    if not skipnext then
-    meta:set_int("pc",meta:get_int("pc")+1)
+    meta:set_int("pc",meta:get_int("pc")+nins)
     meta:set_string("state","waitingins")
     meta:set_string("waitingfor",meta:get_string("channel")..string.format("%X",meta:get_int("pc")))
     digiline:receptor_send(pos, digiline.rules.default, meta:get_string("channel")..string.format("%X",meta:get_int("pc")), "get")

test3d_t410/depends.txt

@@ -0,0 +1,2 @@
+default
+digilines

test3d_t410/init.lua

@@ -0,0 +1,40 @@
+local MEMSIZE=16
+if not digiline then
+ print("Digilines not found.")
+ return
+end
+local oldprint=print
+local function print(...)
+ for k,v in ipairs({...}) do
+  oldprint("[Test3D:T410] "..tostring(v))
+ end
+end
+print("Loading.")
+
+local function t410_set_meta(pos)
+ local meta = minetest.get_meta(pos)
+ local ms = ""
+ for i = 1, MEMSIZE do
+  ms = ms .. "0\n"
+ end
+ meta:set_string("mem",ms)
+ meta:set_string("channel","Default")
+ meta:set_int("startaddr",0)
+ meta:set_string("formspec","size[2,4]\nfield[0,1;2.9,1;addr;Address;]\nfield[0,2;2.9,1;data;Data;]\nbutton[0,3;2,1;write;Write]")
+--
+end
+minetest.register_node("test3d_t410:t410", {
+ description = "T410 Memory Access Console",
+ tiles = {"t416-top.png","t416-top.png","t416-side.png","t416-side.png","t416-side.png","t416-side.png"},
+ on_construct = t410_set_meta,
+ groups = {snappy=1,choppy=2,oddly_breakable_by_hand=2,flammable=3},
+ on_receive_fields = function(pos,_,fields,sender)
+  if fields.addr == nil then return end
+  digiline:receptor_send(pos, digiline.rules.default, fields.addr, tonumber(fields.data or 0))
+  print("Set "..fields.addr.." to "..fields.data)
+ end,
+ digiline = {
+  receptor = {},
+ },
+})
+print("T410 node registered")