74 lines
1.5 KiB
Lua
74 lines
1.5 KiB
Lua
function tty(gA,sA,sI,mx,my)
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spawn("fastty: "..gA:sub(1,8)..","..sA:sub(1,8)..","..sI,function()
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-- _G.nlog = ""
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local sb,lb = {},{}
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local cx, cy = 1, 1
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local sI = sI or os.getenv("sI")
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local gpu = component.proxy(gA)
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gpu.bind(sA)
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local sx, sy = gpu.maxResolution()
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sx, sy = mx or sx, my or sy
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local function wl(s)
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s=tostring(s) or ""
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for c in s:gmatch(".") do
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if c == "\f" then
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for i = 1, sy do
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sb[i] = nil
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end
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cx,cy=1,1
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elseif c == "\n" then
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cx,cy=1,cy+1
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elseif c == "\t" then
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repeat
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cx=cx+1
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until cx%8 == 0
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elseif c == "\127" then
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cx=cx-1
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if cx<1 then cx=1 end
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--(" "):rep(2)
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sb[cy] = sb[cy]:sub(1,cx-1).." "..sb[cy]:sub(cx+2)
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else
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sb[cy] = sb[cy] or ""
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while cx > sb[cy]:len() do
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sb[cy]=sb[cy] .. " "
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end
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sb[cy] = sb[cy]:sub(1,cx-1)..c..sb[cy]:sub(cx)
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if sb[cy]:len() > sx then
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sb[cy] = sb[cy]:sub(1,sx)
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end
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cx=cx+1
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end
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end
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end
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local function rd()
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while #sb > sy do
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table.remove(sb,1)
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cy=cy-1
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end
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for i = 1, sy do
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if sb[i] and sb[i] ~= lb[i] then
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if not sb[i] then
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lb[i] = nil
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else
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--lb[i] = sb[i]
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end
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local cs = sb[i]
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--nlog = nlog .. tostring(i) .. " " .. tostring(cs) .. "\n"
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while cs:len() < sx do
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cs=cs.." "
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end
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gpu.set(1,i,cs)
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end
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end
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end
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while true do
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_,si,str = event.pull("display")
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if si == sI then
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wl(str)
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rd()
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end
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end
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end,{sI=sI})
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end
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