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74 lines
1.5 KiB
Lua
74 lines
1.5 KiB
Lua
-- This is released into the public domain. XX
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-- No warranty is provided, implied or otherwise. XX
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local sector = io.write -- XX
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-- BUNDIVIDE reference implementation for integration XX
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local Cs,Cbu,Cb,Cw,Cp,Ct,Ci,CP,CB,CD={},128,"",128,"",""
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CP = function(d,b)
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Ct = Ct .. d
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while#Ct>2 do
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b = Ct:byte()
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Ct = Ct:sub(2)
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if b == 127 then
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b = Ct:byte()
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Ct = Ct:sub(2)
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if b == 127 then
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b = Ct:byte()+254
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if b > 255then
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b = b - 256
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end
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Ct = Ct:sub(2)
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else
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b = b + 127
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end
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end
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Cp = Cp..string.char(b)
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if #Cp == 512 then
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sector(Cp)
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Cp = ""
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end
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end
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end
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for i = 128, 127 + Cbu do
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Cs[i] = ("\x00"):rep(512)
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end
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Cs[Cw] = ""
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CB = function (d, i, d2, x, y)
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i=1
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while i <= #d - 2 do
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b=d:byte(i)
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d2=d:sub(i,i)
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i=i+1
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if not Ci then
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if b==0then
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Ci=1
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end
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else
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if b >= 128 then
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x = d:byte(i)
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i = i + 1
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y=d:byte(i) + ((x % 2) * 256)
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i = i + 1
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d2=Cs[b]:sub(y + 1,y + 3 + math.floor(x / 2))
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end
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Cs[Cw]=Cs[Cw]..d2
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if #Cs[Cw]>=512 then
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CP(Cs[Cw])
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Cw=((Cw-127)%Cbu)+128
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Cs[Cw]=""
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end
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end
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end
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return i
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end
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CD = function(d)
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Cb = Cb .. d
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Cb = Cb:sub(CB(Cb))
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end
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CD(io.read("*a")) -- XX
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--D.remove("init-bdivide.lua")--
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--D.rename("init.lua","init-bdivide.lua")--
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--local Ch=D.open("init-bdivide.lua","rb")--
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--dieCB=function()D.close(Ch)D.remove("init-bdivide.lua")end--
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--while true do local t=D.read(Ch, 64)if not t then break end CD(t)end--
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CD("\x00\x00")CP(Cs[Cw] .. "\x00\x00")
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