diff --git a/toomgis.p8 b/toomgis.p8
index f075a81..4ffcea1 100644
--- a/toomgis.p8
+++ b/toomgis.p8
@@ -12,6 +12,7 @@ function _update()
 	--ampm_upd()
 	--toomgis_upd()
 	--level_draw()
+	level_upd()
 end
 
 function test_draw()
@@ -108,11 +109,10 @@ function full()
 	end
 end
 
-full()
 
 function toomgis_draw(x, y)
 	--sprm(32, x, y+12, 1, 2)
-	for i=0,#tbody do
+	for i=1,#tbody do
 		-- rotate drawing order
 		local bs = tbody[(i+flr(th)) % #tbody + 1]
 		spr(bs.n,
@@ -130,42 +130,87 @@ end
 -- level
 
 levels = {
+	{name="store aisle",
+	 sky=7,
+	 gnd=5,
+	 mapy=2
+	},
 	{name="city nights",
 		sky=2,
-		gnd=5
+		gnd=5,
+		mapy=5
 	}
 }
 lvl = levels[1]
-
+zoom = 16
 horizon = 64
-
-function bg_draw(sky_c, ground_c)
-	rectfill(0, 0, 128, horizon, lvl.sky)
-	rectfill(0, horizon, 128, 128, lvl.gnd) 
-end
+px = 0
+py = 0
+vx = 0
+vy = 0
+yacc = 0
 
 
 function level_draw()
-	bg_draw(2, 5)
 
 	-- background
+	--rectfill(0, 0, 128, horizon, lvl.sky)
+	--rectfill(0, horizon, 128, 128, lvl.gnd) 
 	
-	map(0, 17, 0, 32, 16, 8)
+	--map(0, lvl.y, 0, 32, 16, 8)
+	-- each level is 3tl/24px
+	local h=24 * zoom
+	for y=0,h do
+		tline(0, 128-h+y, 128, 128-h+y,
+		 0, 2+y/(8*zoom), 1/(8*zoom), 0)
+	end
 	
-	toomgis_draw(10, 96)
-	--for x=0,16 do
-	--	spr(130, x*8, 50)
-	--end
+	toomgis_draw(10, 96-py)
+	
+	-- debug
+	print(px..", "..py, 0, 0, 12)
+end
+
+function level_upd()
+	if btn(➡️) then
+		vx += 0.1
+	end
+	if btn(⬅️) then
+		vx -= 0.05
+	end
+	if vx < 0 then
+	 vx = 0
+	elseif vx > 5 then
+	 vx = 5
+	end
+	if btn(❎) and py==0 then
+		yacc = 3
+	end
+	
+	px += vx
+	py = max(0, py+vy)
+	vy += yacc
+	yacc -= 0.3
+	
+		-- debug, zoom ctls
+  if btn(⬆️) then
+  	zoom += 0.1
+  elseif btn(⬇️) then
+  	zoom -= 0.1
+  end
+  if zoom < .5 then
+  	zoom = .5
+  end
 end
 __gfx__
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-00225074000000004e4004e4009ae9000a877aa00087870000f44f0004545400008aa80000ffff004a444a44c1ff111c0644466600888880fff4ff4f00099999
+00225c74000000004e4004e4009ae9000a877aa00087870000f44f0004545400008aa80000ffff004a444a44c1ff111c0644466600888880fff4ff4f00099999
 022247440000000044e444e4009ea9000aaaaaa000787800008ff8000555550000aa880000ffff00bbb88abbc1fff11c0644466000899880f4ffffff00997799
 0222244400000000044eee40009ae9000aaaaaa0008787000088880004545400000aa000000ff00099998999cc1111cc06644600008989800ff4f4f000977779
-022224000000000000444400000ee00000aaaa000088880000088000045454000008a000000ff000099999900cccccc0006666000008880000ffff0009977079
+022224770000000000444400000ee00000aaaa000088880000088000045454000008a000000ff000099999900cccccc0006666000008880000ffff0009977079
 02202944000000000000000000333300000033000000000000033000000330000003300000000000000000000033330000000000000000000000000009997799
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 20202099000000000000000030300303000999330000300022233320099a9a90033bb33000000b300000000003ffff3000000000000000000000000009999999
@@ -246,12 +291,20 @@ __gfx__
 0000000000000000000000000ccc8cc0333034300aa55aa00004000006566560055555500ecce4e00757767000cccc0008888480000000000000000000000000
 0000000000000000707070700ccc8cc0040004000aa55aa00004000006566560044554400eeee4e0075777700666666008888480000000000000000000000000
 00000000bbbbbbbb7b7b7b7bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb000000000000000000000000
+00000000666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666600000000
+00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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+00000000880880c0090990990c0c0880909909900ba0ba000b999990089beac000000000007070700d7d7d700a9a9a900eeeeef0ff0ff0ff0440444000000000
+00000000880880c0090990990c0c0880909909900bb0bb000bbbbb900ed88ed000000000070707070d7d7d700a9a9a900ffffff0cc0cc0cc0550555000000000
+00000000666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666600000000
+00000000555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555500000000
 __map__
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-000000003a000000002a01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-000000003a000000000101000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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