**********
KEEN: PLAYER
**********

-Both the game and Keen himself
-See also, CHEATS, LEVELS, SHOOTING

#Heights and speeds:
%patch $3BAC $06 $00 #Jump hight [half tiles]
%patch $3F40 $C8 $00 #Pogo height

#Keen's shot height (Default $000009, if zero then no shot appears)
%patch $46DC     $09
%patch $46DE $00 $00

#Keen faces left at level start:
%patch $4BAC $FF $FF



**********
KEEN: THE GAME ENVIRONMENT
**********

-------------------------------------------------------------------------------

#How closely the screen follows Keen;
#Locations are for Keen in 256ths of a pixel, thus the last line is $30000,
#= 48 pixels or 3 tiles from top of screen before screen moves up. Etc.
%patch $3472 $00 $B0  #Scroll Right lag
%patch $34C0 $00 $90  #Scroll Left lag
%patch $350C $00 $70  #Scroll Down lag
%patch $355A $00 $30  #Scroll Up lag   
-------------------------------------------------------------------------------

-------------------------------------------------------------------------------
#Stuff Keen has at game start (Defaults)
%patch $9008 $0A $00 #Ammo (10)
%patch $900E $00 $00 #Pogo (None)
%patch $9002 $04 $00 #Lives (4)
%patch $9008 $00 $00 #Points (0)
%patch $9047 $00 $00 #keycard 1 (None)
%patch $904D $00 $00 #keycard 2 (None)
%patch $9053 $00 $00 #keycard 3 (None)
%patch $9059 $00 $00 #keycard 4 (None)
%patch $9014 $00 $00 #joystick (None)
%patch $901A $00 $00 #battery (None)
%patch $9020 $00 $00 #vacum (None)
%patch $9026 $00 $00 #everclear (None)
-------------------------------------------------------------------------------

-------------------------------------------------------------------------------

#Levels have a breeze (Pull ALL sprites and Keen in one direction steadily)
#and patchable gravity (Negative gravity inalid!)
%patch $55EF $EB $4A      #Make space
%patch $4D1E $E9 $08D0W
%patch $55F1 $B8 $0000W
             $A3 $823EW
             $B8 $0000W   #Wind (-ve is left, +ve is right)
             $A3 $823CW
             $33 $C0
             $E9 $F724W
-------------------------------------------------------------------------------

-------------------------------------------------------------------------------

#Change the game's gravity:
%patch $2C37 $03       #acceleration (How fast jumps/falls change)
%patch $2C3C $C8 $00   #max gravity 1
%patch $2C44 $C8 $00   #max gravity 2
-------------------------------------------------------------------------------

-------------------------------------------------------------------------------

#Change the controls to: Space, shoot; Enter, status. 
#http://andy.durdin.net/keen/modding/viewtopic.php?t=433
%patch $1251  $48 
%patch $7FA3  $48 
%patch $3B23  $90 $90 $90 $90 $90 $90 $90 $80 $3E $65 $50 $00 
%patch $3C4E  $90 $90 $90 $90 $90 $90 $90 $80 $3E $65 $50 $00 
%patch $3DB9  $90 $90 $90 $90 $90 $90 $90 $80 $3E $65 $50 $00 
%patch $3DCC  $90 $90 
%patch $3E6D  $90 $90 $90 $90 $90 $90 $90 $80 $3E $65 $50 $00 
%patch $3FFC  $90 $90 $90 $90 $90 $90 $90 $80 $3E $65 $50 $00 
%patch $40AA  $90 $90 $90 $90 $90 $90 $90 $80 $3E $65 $50 $00

-------------------------------------------------------------------------------


-------------------------------------------------------------------------------

#Control the Pogo jetpack with the ^v keys in-game:
%patch $55EF $EB $4A        #Make space
%patch $4A45 $C3            #And more space

#tuning code
%patch $55F1 $2E $A1 $00 $00 $8B $1E $CA $7F $D1 $E3 $2E $FF $A7 $00 $00 $3D
             $00 $00 $7F $16 $05 $00 $00 $EB $0D $3D $00 $00 $7C $0C $05 $00
             $00 $EB $03 $B8 $00 $00 $2E $A3 $00 $00 $E9 $00 $00
#Jump table   
%patch $4A48 $00 $56 $00 $56 $14 $56 $0A $56 $0A
             $56 $0A $56 $14 $56 $00 $56 $14 $56
%patch $3F49 $E9 $A5 $16   #Enter code
%patch $55F3 $5B $3F       #Alter pogo
%patch $5619 $5B $3F       #Alter pogo
%patch $55FE $48 $4A       #Call jump table
%patch $561C $32 $E9       #Exit code

#Pogo stuff:
%patch $5615 $F2 $FF       #Starting thrust
%patch $5601 $20 $00       #Max upwards thrust
%patch $560B $C0 $FF       #Max downwards thrust
%patch $5606 $04 $00       #Up acceleration when arrows pressed
%patch $5610 $FC $FF       #Down acceleration when arrows pressed

-------------------------------------------------------------------------------

-------------------------------------------------------------------------------

#Change Keen's firing angle by using ^v keys in-game.
#(Keen can shoot horizontal u/d)
%patch $55EF $EB $4A        #Make space
%patch $4A45 $C3            #And more space

#tuning code
%patch $55F1 $2E $A1 $00 $00 $8B $1E $CA $7F $D1 $E3 $2E $FF $A7 $00 $00 $3D
             $00 $00 $7F $16 $05 $00 $00 $EB $0D $3D $00 $00 $7C $0C $05 $00
             $00 $EB $03 $B8 $00 $00 $2E $A3 $00 $00 $E9 $00 $00
#Jump table   
%patch $4A48 $00 $56 $00 $56 $14 $56 $0A $56 $0A
             $56 $0A $56 $14 $56 $00 $56 $14 $56  
%patch $55EF $90 $90        #Enter code
%patch $55F3 $EE $46        #Alter raygun
%patch $5619 $EE $46        #Alter raygun
%patch $55FE $48 $4A        #Call jump table
%patch $561C $1D $00        #Exit code

#Raygun stuff
%patch $5615 $00 $00        #Initial angle (Straight ahead)
%patch $5601 $40 $00        #Max upwards angle
%patch $560B $C0 $FF        #Max downwards angle
%patch $5606 $40 $00        #Rate of upwards change per kepress
%patch $5610 $C0 $FF        #Rate of downwards change per kepress

-------------------------------------------------------------------------------

#Change camera to follow dead Keen to the top of the level. 
%patch $342F $51 $1B 

#Change sprite that spawns Keen: (Default 256)
%patch $8FB6 $00 $01
%patch $AB46 $00 $01

#How fast tiles animate...
%patch $7CDE $03 #In-game
%patch $9080 $03 #Intro+Title Screen (Can affect story screen!)
%patch $15CE $07 #Mysterious one that doesn't seem do to anything

#All sprites keep functioning when offscreen:
%patch $3347 $90 $90 $90  $90 $90 $90 $EB $0B 



**********
KEEN MUST FIND THESE PARTS MENU
**********

#Size
%patch $AE31 $08 $00 #Height
%patch $AE35 $14 $00 #Width

#Text
%patch $AE3F $4B $35 #Ship missin'
%patch $AE48 $72 $35 #GO GET EM!
%patch $AE51 $84 $35 #Press a-
%patch $AE64 $90 $35 #-key
%patch $AE68 $95 $35 #-button

%patch $1659B "Your ship is missing" $0A "these parts:" $0A $0A $0A $0A $0A $00
%patch $165C2 "    GO GET THEM!" $0A $00
%patch $165D4 "   Press a " $00
%patch $165E0 "key:" $00
%patch $165E5 "button:" $00

#Keen must find tiles
%patch $AE78  $41 $01 
%patch $AE9D  $42 $01 
%patch $AEC2  $43 $01 
%patch $AEE7  $44 $01 

#Tile h-positions:
%patch $AE8C $03 $00 #1st tile, etc...
%patch $AEB1 $07 $00
%patch $AED6 $0B $00
%patch $AEFB $0F $00

-------------------------------------------------------------------------------

#What makes the parts appear at the BwB-parts window:
%patch $AE72 $94 #Joystick
%patch $AE97 $9C #Battery
%patch $AEBC $96 #Vacum
%patch $AEE1 $98 #Whiskey


#What the first byte means:
$94: Joystick  $96: Vaccum      $98: Whiskey  $9A: Pogo       
$9C: Battery   $9E: Yellow card $A0; Red card $A2: Green card 
$A4: Blue card $A6: Level 1     $A8: Level 2  $AA: Level 3
$AC: Level 4   $AE: Level 5     $B0: Level 6  $B2: Level 7
$B4: Level 8   $B6: Level 9     $B8: Level 10 $BA: Level 11
$BC: Level 12  $BE: Level 13    $C0: Level 14 $C2: Level 15
$C4: Level 16  $C6: Lives       $C8: Ammo     $CA: Points

-------------------------------------------------------------------------------


**********
KEYCARDS
**********

See also DOORS

#CTSpace sets all Keen's keycards to zero 
%patch $0E11 $00 

#Keen has r,g,b,y, keycards at start
%patch $9047 $01 #keycard 1 
%patch $904D $01 #keycard 2 
%patch $9053 $01 #keycard 3 
%patch $9059 $01 #keycard 4 

-------------------------------------------------------------------------------

-Use only ONE of the following 3 patches:

# Let Keen keep keycards when exiting a level, and set his shots to zero: 
%patch $4F43 $31 $C0 $A3 $C8 $AA $90 $90 $90 $90 $90 $90 $90 $90 $90 $90 $90 
             $90 $90 $90 $90 $90 $90 $90 $90 $90 $90 $90

# Let Keen keep keycards when exiting a level: 
%patch $4F43 $90 $90 $90 $90 $90 $90 $90 $90 $90 $90 $90 $90 $90 $90 $90 $90 
             $90 $90 $90 $90 $90 $90 $90 $90 $90 $90 $90 

#When Keen dies, give or take keycards. There are four values, one
#for each card (R,G,B,Y), if 0 the card is taken, if 1, given, You
#can also alter what they give\take
%patch $8041 $E8 $16 $CF $90
%patch $4F58 $EB $46 $C7 $06 $9E $AA $01 $00 $C7 $06 $A0 $AA $01 $00 
             $C7 $06 $A2 $AA $01 $00 $C7 $06 $A4 $AA $01 $00 $FF $0E 
             $C6 $AA $C3 

#What the four keycard bytes mean:
$94: Joystick  $96: Vaccum      $98: Whiskey  $9A: Pogo       
$9C: Battery   $9E: Yellow card $A0; Red card $A2: Green card 
$A4: Blue card $A6: Level 1     $A8: Level 2  $AA: Level 3
$AC: Level 4   $AE: Level 5     $B0: Level 6  $B2: Level 7
$B4: Level 8   $B6: Level 9     $B8: Level 10 $BA: Level 11
$BC: Level 12  $BE: Level 13    $C0: Level 14 $C2: Level 15
$C4: Level 16  $C6: Lives       $C8: Ammo     $CA: Points

-------------------------------------------------------------------------------