CT rng visualiser (bizhawk 1.11) V 2.0

while true do

RNG_ColorsBold = {0xFFba0000, 0xFFff7979, 0xFF009318, 0xFF47e778 ,0xFF0036ff ,0xFF00c4ff , 0xFF666666 ,0xFFcccccc ,0xFF9432ff , 0xFFc436ff, 0xFFffa536, 0xFFe9ff36,0xFF38a0ab,  0xFF4cd8e7,0xFFb185af, 0xFFffc0fd }
RNG_ColorsTrans = {}

for i = 1, 16 do
    RNG_ColorsTrans[i] = RNG_ColorsBold[i]-0xAA000000
end

RNG_Colors = {RNG_ColorsBold, RNG_ColorsTrans}

--Determination of which RNG address to check, depending on whether or not a battle is taking place.
if mainmemory.read_u8(0x0117)==01 then
    RNG = mainmemory.read_u8(0x0026)
else
    RNG = mainmemory.read_u8(0x29AD)
end

RNG_Windows = {-1,8,12,28,45,54,61,87,96,135,151,170,184,219,224,250,255}

Windows  = {}
for a = 1,16 do
    if a*0.5 == math.floor(a*0.5) then
        neg = "+" else neg = "-"
        end
Windows[a] = "[".. math.ceil(a*0.5) .. neg .. "]"
end

--Drawing the overlayed boxes
for n = 1,16 do
gui.drawBox(RNG_Windows[n]+1,218,RNG_Windows[n+1],225,RNG_ColorsTrans[n],RNG_ColorsTrans[n])
end
--Drawing the active box
for g = 1,16 do
    if RNG <= RNG_Windows[g] then
        Window_Color = RNG_ColorsBold[g]
            Current_Window = Windows[g]
    break end
end

gui.drawBox(0,218,RNG,225,Window_Color,Window_Color)
    gui.drawText(RNG-8,203,bizstring.hex(RNG),0xFFFFFFFF,10)

if RNG < 127 then
    gui.drawText(RNG+8,202,Current_Window,Window_Color,8) else
        gui.drawText(RNG-26,202,Current_Window,Window_Color,8)
end

emu.frameadvance()
end