levelformat.txt

--- Level information ---
Levels have 8 bytes of information each:

ppppppmm
||||||++- Win condition:
||||||    0: Kill N number of enemies
||||||    1: Collect N dollars
||||||    2: Survive for N seconds
||||||    3: Green to red
++++++--- Value for the win condition

ffffdeee
|||||+++- Max number of enemies at once, 1 to 8
||||+---- Enemy distribution, 0 = 4 4 4 4, 1 = 5 5 3 3
++++----- Level effect:
          0: Nothing
          1: Scrolling, slow
          2: Scrolling, medium
          3: Scrolling, fast
          4: No cycling through the level

...eeeee - Enemy type 1
...eeeee - Enemy type 2
...eeeee - Enemy type 3
...eeeee - Enemy type 4
The four enemy types that appear in the level

aaaaaaaa - Map address low
aaaaaaaa - Map address high
This can be a pointer to a map, or zero for an automatically generated map

--- Map format ---
The map is composed of a series of commands, composed of the position byte:
$yx - Y and X position in the level

And then the type byte, which also contains the length if applicable:
$00 Level is over, this position is the player spawn position
$01 Single spikes
$02 Single spring
$03 Single enemy climbing marker
$04 Single solid block
$05 Single bullet reflector
$06 Single platform 
$07 Single money
$08 Single cycling solid (off)
$09 Single cycling solid (on)
$0A Single cycling platform (off)
$0B Single cycling platform (on)
$0C Single Teleporter (Left)
$0D Single Teleporter (Right)
$0E Single Bomb trap
$0F Single Insta-kill spikes
$10 Single horizontal moving platform
$11 Single vertical moving platform
$12 Single horizontal moving hazard
$13 Single vertical moving hazard
$14 Single exploder
$15 Single cycle switch
$2n Horizontal solid block
$3n Horizontal empty space
$4n Horizontal cycling solid (off)
$5n Horizontal cycling solid (on)
$6n Horizontal regular platform
$7n Horizontal cycling platform (off)
$8n Horizontal cycling platform (on)
$9n Vertical solid block
$An Vertical empty space
$Bn Vertical cycling solid (off)
$Cn Vertical cycling solid (on)
$D0,HW Rectangle fill, solid block
$D1,HW Rectangle fill, empty space
$D2,HW Rectangle fill, cycling solid (off)
$D3,HW Rectangle fill, cycling solid (on)
$D4,HW Rectangle fill, platform
$D5,HW Rectangle fill, cycling platform (off)
$D6,HW Rectangle fill, cycling platform (on)