Sonic3D-altcontrols.lua

keyBindings = {
    up      = "U",
    left    = "H",
    down    = "J",
    right   = "K",
    high    = "O",
    low     = "L",
}

function math.round(num, idp)
    local mult = 10^(idp or 0)
    if num >= 0 then return math.floor(num * mult + 0.5) / mult
    else return math.ceil(num * mult - 0.5) / mult end
end

    addr_x = 0xFFC21E;
    addr_x2 = 0xFFC1EC;

    addr_y = 0xFFC1F4;
    addr_z = 0xFFC1F0;

while true do

    inpto   = inpt;
    inpt    = input.get()
    --x = 0x0030
    --y = 0x0040
    --z = 0x0045
    local x = memory.readword(addr_x)
    local x2 = memory.readword(addr_x2)

    local y = memory.readword(addr_y)
    local z = memory.readword(addr_z)
    --print (string.format("%04X ", x))
    --print (string.format("%04X ", y))
    --print (string.format("%04X ", z))



    if inpt[keyBindings['left']] then
        memory.writeword(addr_x, x-0x0F)
        memory.writeword(addr_x2, x2-0x0F)

    elseif inpt[keyBindings['right']] then
        memory.writeword(addr_x, x+0x0F)
        memory.writeword(addr_x2, x2+0x0F)
    end

    if inpt[keyBindings['up']] then
        memory.writeword(addr_y, y-0x0F)
    elseif inpt[keyBindings['down']] then
        memory.writeword(addr_y, y+0x0F)
    end

    if inpt[keyBindings['high']] then
        memory.writeword(addr_z, z+0x0F)
    elseif inpt[keyBindings['low']] then
        memory.writeword(addr_z, z-0x0F)
    end

    emu.frameadvance()
end