remove replaced kernel modules
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@ -1,141 +0,0 @@
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function vt100emu(gpu) -- takes GPU component proxy *gpu* and returns a function to write to it in a manner like an ANSI terminal
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local colours = {0x0,0xFF0000,0x00FF00,0xFFFF00,0x0000FF,0xFF00FF,0x00B6FF,0xFFFFFF}
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local mx, my = gpu.maxResolution()
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local cx, cy = 1, 1
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local pc = " "
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local lc = ""
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local mode = 0 -- 0 normal, 1 escape, 2 command
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local lw = true
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local sx, sy = 1,1
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local cs = ""
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local bg, fg = 0, 0xFFFFFF
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-- setup
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gpu.setResolution(mx,my)
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gpu.fill(1,1,mx,my," ")
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local function checkCursor()
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if cx > mx and lw then
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cx, cy = 1, cy+1
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end
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if cy > my then
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gpu.copy(1,2,mx,my-1,0,-1)
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gpu.fill(1,my,mx,1," ")
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cy=my
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end
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if cy < 1 then cy = 1 end
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if cx < 1 then cx = 1 end
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end
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local function termwrite(s)
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local wb = ""
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local lb, ec = nil, nil
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local function flushwb()
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while wb:len() > 0 do
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checkCursor()
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local wl = wb:sub(1,mx-cx+1)
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wb = wb:sub(wl:len()+1)
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gpu.set(cx, cy, wl)
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cx = cx + wl:len()
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end
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end
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local rs = ""
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s=s:gsub("\8","\27[D")
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pc = gpu.get(cx,cy)
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gpu.setForeground(fg)
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gpu.setBackground(bg)
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gpu.set(cx,cy,pc)
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for cc in s:gmatch(".") do
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if mode == 0 then
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if cc == "\n" then
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flushwb()
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cx,cy = 1, cy+1
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elseif cc == "\t" then
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wb=wb..(" "):rep(8*((cx+9)//8))
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elseif cc == "\27" then
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flushwb()
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mode = 1
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else
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wb = wb .. cc
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end
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elseif mode == 1 then
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if cc == "[" then
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mode = 2
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else
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mode = 0
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end
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elseif mode == 2 then
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if cc:match("[%d;]") then
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cs = cs .. cc
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else
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mode = 0
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local tA = {}
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for s in cs:gmatch("%d+") do
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tA[#tA+1] = tonumber(s)
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end
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if cc == "H" then
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cx, cy = tA[1] or 1, tA[2] or 1
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elseif cc == "A" then
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cy = cy - (tA[1] or 1)
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elseif cc == "B" then
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cy = cy + (tA[1] or 1)
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elseif cc == "C" then
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cx = cx + (tA[1] or 1)
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elseif cc == "D" then
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cx = cx - (tA[1] or 1)
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elseif cc == "s" then
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sx, sy = cx, cy
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elseif cc == "u" then
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cx, cy = sx, sy
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elseif cc == "n" and tA[1] == 6 then
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rs = string.format("%s\27[%d;%dR",rs,cx,cy)
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elseif cc == "K" and tA[1] == 1 then
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gpu.fill(1,cy,cx,1," ")
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elseif cc == "K" and tA[1] == 2 then
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gpu.fill(cx,cy,mx,1," ")
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elseif cc == "K" then
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gpu.fill(1,cy,mx,1," ")
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elseif cc == "J" and tA[1] == 1 then
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gpu.fill(1,1,mx,cy," ")
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elseif cc == "J" and tA[1] == 2 then
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gpu.fill(1,1,mx,my," ")
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cx, cy = 1, 1
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elseif cc == "J" then
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gpu.fill(1,cy,mx,my," ")
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elseif cc == "m" then
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for _,num in ipairs(tA) do
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if num == 0 then
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fg,bg,ec,lb = 0xFFFFFF,0,true,true
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elseif num == 7 then
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local nfg,nbg = bg, fg
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fg, bg = nfg, nbg
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elseif num > 29 and num < 38 then
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fg = colours[num-29]
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elseif num > 39 and num < 48 then
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bg = colours[num-39]
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elseif num == 100 then -- disable local echo
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ec = false
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elseif num == 101 then -- disable line mode
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lb = false
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end
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end
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gpu.setForeground(fg)
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gpu.setBackground(bg)
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end
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cs = ""
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checkCursor()
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end
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end
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end
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flushwb()
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checkCursor()
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pc = gpu.get(cx,cy)
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gpu.setForeground(bg)
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gpu.setBackground(fg)
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gpu.set(cx,cy,pc)
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gpu.setForeground(fg)
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gpu.setBackground(bg)
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return rs, lb, ec
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end
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return termwrite
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end
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@ -1,5 +0,0 @@
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--#include "module/vt-task.lua"
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do
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local r,w = vtemu(component.list("gpu")(),component.list("screen")())
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devfs.register("tty0", function() return r,w,function() end end)
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end
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@ -1,58 +0,0 @@
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do
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--#include "module/nvt100.lua"
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function vtemu(gpua,scra) -- creates a process to handle the GPU and screen address combination *gpua*/*scra*. Returns read, write and "close" functions.
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local gpu = component.proxy(gpua)
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gpu.bind(scra)
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local write = vt100emu(gpu)
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local kba = {}
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for k,v in ipairs(component.invoke(scra,"getKeyboards")) do
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kba[v]=true
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end
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local buf, lbuf, echo = "", true, true
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os.spawn(function() dprint(pcall(function()
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while true do
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local ty,ka,ch = coroutine.yield()
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if ty == "key_down" and kba[ka] then
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if ch == 13 then ch = 10 end
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if ch == 8 then
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if buf:len() > 0 then
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if echo then write("\8 \8") end
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buf = buf:sub(1,-2)
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end
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elseif ch > 0 then
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if echo then write(string.char(ch)) end
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buf=buf..string.char(ch)
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end
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end
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end
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end)) end,string.format("ttyd[%s:%s]",gpua:sub(1,8),scra:sub(1,8)))
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local function bread(n)
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local r
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if lbuf then
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while not buf:find("\n") do
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coroutine.yield()
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end
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local n = buf:find("\n")
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r, buf = buf:sub(1,n), buf:sub(n+1)
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else
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r = buf
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buf = ""
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coroutine.yield()
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end
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return r
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end
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local function bwrite(d)
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local ba, lb, ec = write(d)
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buf = buf .. ba
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if lb ~= nil then
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dprint("local buffer mode: "..tostring(lb))
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lbuf = lb
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end
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if ec ~= nil then
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dprint("echo mode: "..tostring(ec))
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echo = ec
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end
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end
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return bread, bwrite, function() io.write("\27[2J\27[H") end
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end
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end
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148
module/vt100.lua
148
module/vt100.lua
@ -1,148 +0,0 @@
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function vt100emu(gpu) -- takes GPU component proxy *gpu* and returns a function to write to it in a manner like an ANSI terminal
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local colours = {0x0,0xFF0000,0x00FF00,0xFFFF00,0x0000FF,0xFF00FF,0x00B6FF,0xFFFFFF}
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local mx, my = gpu.maxResolution()
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local cx, cy = 1, 1
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local pc = " "
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local lc = ""
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local mode = "n"
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local lw = true
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local sx, sy = 1,1
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local cs = ""
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local bg, fg = 0, 0xFFFFFF
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-- setup
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gpu.setResolution(mx,my)
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gpu.fill(1,1,mx,my," ")
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local function termwrite(s)
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local rs = ""
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s=s:gsub("\8","\27[D")
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pc = gpu.get(cx,cy)
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gpu.setForeground(fg)
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gpu.setBackground(bg)
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gpu.set(cx,cy,pc)
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for i = 1, s:len() do
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local cc = s:sub(i,i)
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if mode == "n" then
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if cc == "\n" then -- line feed
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cx, cy = 1, cy+1
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elseif cc == "\r" then -- cursor home
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cx = 1
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elseif cc == "\27" then -- escape
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mode = "e"
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elseif cc == "\t" then
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cx = 8*((cx+9)//8)
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elseif string.byte(cc) > 31 and string.byte(cc) < 127 then -- printable, I guess
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gpu.set(cx, cy, cc)
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cx = cx + 1
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end
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elseif mode == "e" then
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if cc == "[" then
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mode = "v"
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cs = ""
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elseif cc == "D" then -- scroll down
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gpu.copy(1,2,mx,my-1,0,-1)
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gpu.fill(1,my,mx,1," ")
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cy=cy+1
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mode = "n"
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elseif cc == "M" then -- scroll up
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gpu.copy(1,1,mx,my-1,0,1)
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gpu.fill(1,1,mx,1," ")
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mode = "n"
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else
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mode = "n"
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end
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elseif mode == "v" then
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mode = "n"
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if cc == "s" then -- save cursor
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sx, sy = cx, cy
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elseif cc == "u" then -- restore cursor
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cx, cy = sx, sy
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elseif cc == "H" then -- cursor home or to
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local tx, ty = cs:match("(%d+);(%d+)")
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tx, ty = tx or "1", ty or "1"
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cx, cy = tonumber(tx), tonumber(ty)
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elseif cc == "A" then -- cursor up
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cy = cy - (tonumber(cs) or 1)
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elseif cc == "B" then -- cursor down
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cy = cy + (tonumber(cs) or 1)
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elseif cc == "C" then -- cursor right
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cx = cx + (tonumber(cs) or 1)
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elseif cc == "D" then -- cursor left
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cx = cx - (tonumber(cs) or 1)
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elseif cc == "h" and lc == "7" then -- enable line wrap
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lw = true
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elseif cc == "l" and lc == "7" then -- disable line wrap
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lw = false
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elseif cc == "c" then
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rs = string.format("%s\27[%d;%d0c",rs,mx,my)
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elseif cc == "n" and lc == "6" then
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rs = string.format("%s\27[%d;%dR",rs,cx,cy)
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elseif cc == "K" then
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if lc == "1" then
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gpu.fill(1,cy,cx,1," ")
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elseif lc == "2" then
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gpu.fill(cx,cy,mx,1," ")
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else
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gpu.fill(1,cy,mx,1," ")
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end
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elseif cc == "J" then
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if lc == "1" then
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gpu.fill(1,1,mx,cy," ")
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elseif lc == "2" then
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gpu.full(1,1,mx,my," ")
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cx,cy = 1, 1
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else
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gpu.fill(1,cy,mx,my," ")
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end
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elseif cc == "m" then
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for num in cs:gmatch("%d+") do
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num=tonumber(num)
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if num == 0 then
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fg,bg = 0xFFFFFF,0
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elseif num == 7 then
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local nfg,nbg = bg, fg
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fg, bg = nfg, nbg
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elseif num > 29 and num < 38 then
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fg = colours[num-29]
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elseif num > 39 and num < 48 then
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bg = colours[num-39]
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end
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end
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gpu.setForeground(fg)
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gpu.setBackground(bg)
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else
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cs = cs .. cc
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if cc:match("[%d;]") then
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mode = "v"
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end
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end
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end
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if cx > mx and lw then
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cx, cy = 1, cy+1
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end
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if cy > my then
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gpu.copy(1,2,mx,my-1,0,-1)
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gpu.fill(1,my,mx,1," ")
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cy=my
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end
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if cy < 1 then cy = 1 end
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if cx < 1 then cx = 1 end
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lc = cc
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end
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pc = gpu.get(cx,cy)
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gpu.setForeground(bg)
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gpu.setBackground(fg)
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gpu.set(cx,cy,pc)
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gpu.setForeground(fg)
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gpu.setBackground(bg)
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return rs
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end
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return termwrite
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end
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