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TANTALUS RAYS AND THE END OF EARTH
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For patches affecting the Ray's behavior speed and such, see the directory
SPRITE PATCHES in this folder. This includes what happens when the Ray
is destroyed [Section 7: Misc patches] This section covers what happens
when the ray is shot, the tiles produced and their locations and later on the
Earth Explodes sequence


#####
THE TANTALUS WHEN SHOT:
#####

%patch $4716 $C3 #Can't shoot Tantalus ray
%patch $477C $10 $27 #Points the machine gives Keen when destroyed
%patch $47F3 $25 #Sound of tiles being replaced
%patch $480E $02 #No zapzots when tiles replaced
%patch $4814 $02 #All zapzots in a line left of the switch

#When we shoot tantalus:
%patch $47BD $15 $1C #Lights turn on
%patch $47BD $35 $1C #Lights turn off

#Don't save cities when Tantalus shot:
%patch $4735 $00 $00 #London
%patch $473D $00 $00 #Cairo
%patch $4745 $00 $00 #Sydney
%patch $474D $00 $00 #New York
%patch $4755 $00 $00 #Paris
%patch $475D $00 $00 #Rome
%patch $4765 $00 $00 #Moscow
%patch $476D $00 $00 #Wash D.C.

#Shooting Tantalus plays end sequence
%patch $4955 $1F $08

#What makes a switch a 'End the world' switch:
%patch $6443 $DF $01 #Tile needed
%patch $6429 $05 $00 #Number of tiles below switch tile needs to be
%patch $6437 $03     #Number of tiles right of switch tile needs to be


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TILES AND LOCATIONS
#####

#How many tiles are replaced; starting with left spark,
#then right, then each of 3 purple squares then each of
# 4 orange rows: Total 1 + 1 + 3 + 4 = 9
%patch $4896 $09

#All tiles:
%patch $478C $00 $00     #Nothing is replaced when Tantalus shot:
%patch $479B $90 $90 $90 #Nothing replaced, but still explosion sounds
%patch $47EE $C3         #Sparks, purple and orange not replaced, no zapzots
%patch $48B0 $90         #Dome not replaced
%patch $4986 $05         #Purple cells not replaced
%patch $4798 $04         #Everything RIGHT location (Centered below spark, combine with next patch for any h position)
%patch $479A $0C         #H position, each 1 less shift Tantalus ~20 tiles LEFT
%patch $47A8 $00         #Shift Tantalus up 16 tiles
%patch $486A $08         #All tiles replaced at once

#Dome:
%patch $48BB $8F $00 #Top left dome replacement tile
%patch $48D2 $8F $00 #Top middle
%patch $48EC $8F $00 #Top right
%patch $4905 $22 $02 #Bottom left
%patch $491B $23 $02 #Bottom middle
%patch $4934 $24 $02 #Bottom right
#Tile, and all DOME tiles AFTER it are shifted down 1 row
#per line patched:
%patch $48D6 $47     #Top left
%patch $48A5 $47     #Top middle
%patch $48BF $47     #Top right

#Sparks (Blue electric things):
%patch $4958 $EC $01 #Left spark replacement tile
%patch $496D $EC $01 #Right spark replacement tile
%patch $4960 $FE $FF #left spark h position (-2)
%patch $4974 $40 $40 #right spark h position (+2, each 40 = +1, replace with $90 to decrease)

#Switch
%patch $4952 $FA $01 #Switch replacement tile
%patch $4939 $04 $00 #V position of tile

#Purple cells (1x3 block)
%patch $4981 $F9 $01 #Replacement tile
%patch $498C $47     #Move block 1 row down
%patch $4883 $05     #Only 1 cell (and 1 orange ROW) replaced

#Orange blocks (4x3 block):
%patch $49A3 $25 $02 #Replacement tile
%patch $49A9 $03     #1 row left of the switch is replaced with dead orange tiles
%patch $499C $03 $00 #Top (3 down from dome top)
%patch $49BE $06 $00 #Bottom (6-3 = 3 tiles high)
%patch $49B1 $FC $FF #Left side (3 riles RIGHT of dome center)
%patch $49BE $06 $00 #Number of columns(6 - 3 + 1 = 4)

#City screen:
%patch $49ED $15 $02 #Replacement tile
%patch $49CA $F9 $FF #Left side
%patch $4A00 $FC $FF #Right side
%patch $49D3 $40 $40 #Top ($40 = +1 down, replace with $90 to decrease)
%patch $49F3 $05 $00 #Bottom

#Tiles not replaced:
%patch $48BA $00 #Top left square of glass sphere of ray
%patch $48D1 $00 #Middle top
%patch $48EB $00 #Right top
%patch $4904 $00 #Bottom left
%patch $491A $00 #Bottom middle
%patch $4933 $00 #Bottom right
%patch $4951 $06 $90 $90 $90 #Switch
%patch $4980 $90 $90 $90 $90 $90 #Amoeba cells [1x3]
%patch $49A2 $90 $90 $90 $90 $90 $90 $90 $90 #4x3 orangery blocks
%patch $49EB $90 $90 $90 $90 $90 $90 #City screen


#####
THE EARTH EXPLODES!
#####

%patch $4BB3 $C3 #Go straight to Game Over after 'oops
%patch $4CBD $10 #Game ends before Vorticon ship fires
%patch $4D9F $90 #Game over occurs when earth is blowing up,
                 #earth is not destroyed, no fragments

%patch $64D6 $01 $00 #Oops box bottom
%patch $64DA $05 $00 #Right side
%patch $64E4 $F0 $2C #Text is read from...

#Level used for earth exploding [$51 = 81 = level81]
%patch $4BBc $51 $00

#Times are in 1/144ths of a second, $00 $00 causes a crash
%patch $64ED $64 $00 #Pause between 'Oops' before going to earth explodes
%patch $4BE3 $78 $00 #Pause between seeing the Vortiship and the Vortiship firing

%patch $4CBD $05 #Bullet Vortiship shoots is invisible
%patch $4CA7 $02 #Number of animation frames bullet has

#Where screen is relative to Vortship shot (Default $FFFFA0 - $FFFFB0)
%patch $4C85     $A0 #H (Left of shot by $60)
%patch $4C87 $FF $FF
%patch $4C99     $B0 #H (Above shot by $50)
%patch $4C9B $FF $FF

#How far down bullet hits [earth still explodes, camera follows bullet]
%patch $4C61 $01 #Main
%patch $4C65 $10 #Fine tuning
%patch $4C39 $02 #Roughly how far along bullet moves; no values above $08

%patch $4D2E $9B $00 #Tiles that replace Earth when it blows up
%patch $4D36 $90 #Only the leftmost tiles of Earth are replaced
%patch $4D32 $90 #The world isn't replaced

#Mostly these modify the look of the explosion, play with them.
%patch $4D9F $90 #Game over occurs when earth is blowing up,
                 #earth is not destroyed, no fragments
%patch $4D41 $90 #Small fragments of Earth move INWARDS from offscreen,
                 #earth then explodes and the pieces fly outward
%patch $4C4E $D0 #Bullet APPEARS to move straight down; misses earth which still explodes
%patch $4D44 $01 #Small fragments surround earth blank space in a ring after explosion
%patch $4D51 $90 #The small fragments move VERY slowly
%patch $4D56 $90 #The small fragments occupy the 4 top left corners of the earth blank space
%patch $4D58 $90 #The small fragments pause, then move off with the large ones at the SAME time
%patch $4D5E $90 #A second set of small fragments appear 1s after earth is TOTALLY destroyed
%patch $4FC2 $90 #Large fragments don't move
%patch $4FC4 $90 #Large fragments move slowly
%patch $4FC8 $B0 #Large fragments only appear after earth is destroyed
%patch $50C2 $90 #The explosion animations don't occur, earth just fragments
%patch $50C6 $90 #The explosions animate only 4 frames, much 'tamer' looking
%patch $50C8 $90 #Only 1 explosion, 1st animation appears, doesn't go away
%patch $50CB $90 #All explosions appear, 1st animation and don't go away.
%patch $50CE $90 #Only 1 explosion appears

#Stop stuff appearing:
%patch $4D83 $90 #No fragments appear
%patch $4D44 $00 #Small fragments don't appear, 4 large ones do.
%patch $4FAF $90 #No large fragments appear, 4 small ones do.

#Small fragments turn into Keen:
%patch $4FE4 $90 #Top left
%patch $5019 $90 #Top right
%patch $5055 $90 #Bottom left
%patch $5091 $90 #Bottom right
%patch $4D8F $90 #Keen falls out of exploding earth

#Large fragments turn into Keen
%patch $4FDF $90 #Top left
%patch $5014 $90 #Top right
%patch $5050 $90 #Bottom left
%patch $508C $90 #Bottom right

#Large fragments move right or left only
%patch $4FEC $90 #Top left
%patch $5021 $90 #Top right
%patch $505D $90 #Bottom left
%patch $5099 $90 #Bottom right

#Large fragments x position from explosion center
%patch $5036 $10 #Bottom left
%patch $50B5 $10 #Bottom right
%patch $5064 $90 #Top right vertical position

#These patches turn each one of the small fragments into a Vorticon
%patch $4D6B $90 #Up and left moving fragment
%patch $4E93 $90 #Also this backup patch;
%patch $4DAF $90 #Up and right
%patch $4ED6 $90 #Also
%patch $4E42 $90 #Down and left
%patch $4F20 $90 #Also
%patch $4F6A $90 #Down and right
%patch $4DF8 $90 #Also



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TEXT AND TEXT PATCHING
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See ABOUT ID, FINALE, ORDERING INFO, STORY