local p = {0,0,0,0}
local c = {0,0,0,0}

p[2] = memory.readword(0x10c,0x10d) + memory.readbyte(0x10b)/256
p[4] = memory.readword(0x109,0x10a) + memory.readbyte(0x108)/256

c[2] = memory.readword(0x66,0x67) + memory.readbyte(0x65)/256
c[4] = memory.readword(0x63,0x64) + memory.readbyte(0x62)/256

local function objects()
    for i = 0, 4 do
        if memory.readbyte(0x50e+i*0x15) ~= 0 then
            --sub x and sub y not added.
            gui.text(memory.readword(0x517+i*0x15,0x518+i*0x15)-c[1],memory.readword(0x514+i*0x15,0x515+i*0x15)-c[3],string.format("x %3d\nsuby %3d\nsubx %3d",memory.readword(0x517+i*0x15,0x518+i*0x15)-c[1],memory.readbyte(0x513+i*0x15),memory.readbyte(0x520+i*0x15)),"#ffffff","#00000060")
        end
    end
end

local function Stuff()
p[1] = memory.readword(0x10c,0x10d) + memory.readbyte(0x10b)/256
p[3] = memory.readword(0x109,0x10a) + memory.readbyte(0x108)/256

c[1] = memory.readword(0x66,0x67) + memory.readbyte(0x65)/256
c[3] = memory.readword(0x63,0x64) + memory.readbyte(0x62)/256

gui.text(2,35,string.format("CX %.2f\nCY %.2f (%.2f)\nX %.2f (%.2f)\nY %.3f (%.2f)\nJump: %2d",c[1],c[3],c[3]-c[4],p[1],p[1]-p[2],p[3],p[3]-p[4],memory.readbyte(0x102)),"#ffffff","#00000060")


p[2] = p[1] - p[2]
p[4] = p[3] - p[4]

c[2] = c[1] - c[2]
c[4] = c[3] - c[4]

p[2] = p[1]
p[4] = p[3]

c[2] = c[1]
c[4] = c[3]

objects()

end

emu.registerafter(Stuff)