made tty.lua handle the cursor rather than readline because that's just stupid

modules/drivers/tty.lua

@@ -1,10 +1,10 @@
 function tty(gA,sA,sI,fg,bg)
- local gP,cx,cy = component.proxy(gA),1,1
+ local gP,cx,cy,bg,fg = component.proxy(gA),1,1,bg or 0x000000, fg or 0xffffff
  gP.bind(sA)
  local sx, sy = gP.getResolution()
  gP.setResolution(sx,sy)
- gP.setForeground(bg or 0xFFFFFF)
+ gP.setForeground(fg)
- gP.setBackground(bg or 0x000000)
+ gP.setBackground(bg)
  gP.fill(1,1,sx,sy," ")
  local function cv()
   if cx > sx then cx,cy=1,cy+1 end
@@ -18,7 +18,7 @@ function tty(gA,sA,sI,fg,bg)
    elseif c == "\r" then cx=1
    elseif c == "\f" then cx=1 cy=1 gP.fill(1, 1, sx, sy, " ")
    elseif c == "\t" then cx=(cx+4-((cx+4)%4))+1
-   elseif c == "\127" then cx=cx-1 gP.set(cx,cy," ")
+   elseif c == "\127" then cx=cx-1 gP.set(cx,cy,"  ")
    else gP.set(cx,cy,c) cx=cx+1 
    end cv()
   end
@@ -28,6 +28,12 @@ function tty(gA,sA,sI,fg,bg)
   eT = ev
   if eT[1] == "display" and eT[3] == sI then
    wl(tostring(eT[2]))
+  local cc,fg,bg=gP.get(cx,cy)
+  gP.setForeground(bg)
+  gP.setBackground(fg)
+  gP.set(cx,cy,cc)
+  gP.setForeground(fg)
+  gP.setBackground(bg)
   end
   C.yield()
  end

modules/library/readline.lua

@@ -1,6 +1,5 @@
 function readln(rC)
  local s,si="",E().sI or 1
- write("|")
  while true do
   if ev[1] == "key" and ev[2] == si then
    if ev[3] == 13 then
@@ -8,9 +7,9 @@ function readln(rC)
     C.yield()
     return s
    elseif ev[3] == 8 then
-    if s:len()>0 then s=s:sub(1,-2) write("\127\127|") end
+    if s:len()>0 then s=s:sub(1,-2) write("\127") end
    elseif ev[3] > 31 and ev[3] < 127 then
-    s=s..string.char(ev[3]) write("\127"..(rC or string.char(ev[3])).."|")
+    s=s..string.char(ev[3]) write((rC or string.char(ev[3])))
    end
   end
   C.yield()