KNOWN VARIABLES
$37, $38
$3B, $3C
$47 - $6D


==========
$00 & $01
==========

- Set to #$6800 in "StatChanger"
- Storage for 2nd Joypad Data in "SecondJoyPad"

==========
$02 & $03
==========

- Set to #$B000 in "StatChanger"

==========
   $04
==========

- Set to #$02 in "HellAwaits"
- Set to #$04 in "StatChanger"

==========
   $05
==========

- Set to #$3000 in "StatChanger"

==========
   $2D
==========

- Incremented in "CounterOrWhat"

==========
   $2E
==========

- Decremented in "CounterOrWhat", reset to #$02 if negative (so it's value can only be #$00, #$01 or #$02)

==========
   $39
==========

- Cleared at the end of "NextStep"
- Part of "SecondJoyPad"

==========
   $3A
==========

- Cleared at the end of "NextStep"

==========
   $3D
==========

- Cleared at the end of "NextStep"

==========
   $3E
==========

- Cleared at the end of "NextStep"

==========
$3F - $42
==========

- Used in "QuestionableSR2", counters for the QuestionableTable-Load.

==========
$43 & $44
==========

- Used in "QuestionableSR2", the loaded doublebyte from the QuestionableTable is stored here.

==========
   $74
==========

- Set to #$07 in "NextStep"

==========
   $75
==========

- Set to #$07 in "NextStep"

==========
   $90
==========
Probably the Intro-Scene-Counter?

- Set in Init to $10

- Used in IntroSpriteDeactivator (has to be #$01)
- Used in the Mainloop (JSR)
- Incremented (once) at the end of "NextStep"

==========
$94 & $95
==========

- Used to store loaded data from Bank $02 in "DerGrosseVerzweiger"

==========
$96 & $97
==========

- Used to store loaded data from Bank $02 in "DerGrosseVerzweiger"

==========
   $E2
==========

- Part of "SecondJoyPad"

==========
   $E3
==========

- Part of "SecondJoyPad"

==========
   $E4
==========

- Part of "SecondJoyPad"

==========
   $E7
==========

- Used in IntroSpriteDeactivator (must not be #$00)

==========
   $EF
==========

- Important in VBLANK: A lot of things happen only if $EF = 0

==========
   $F0
==========

- Is set to #$E4 in MITTEBNKZEHN
- Is part of a indirect LDA in SPCIntro4

==========
   $F1
==========

- Is set to #$80 in MITTEBNKZEHN

==========
   $F2
==========

- Is set to #$0A in MITTEBNKZEHN

==========
$F4 to $F7
==========

These Registers' contents are stored into the APUregisters ($2140-3) in DerSoundBrei

- $F7 set to $00 in DerSoundBrei
- Is in some relation to the content of $0114 and $0115

==========
$A4 & $A5
==========

- Buffer for address calculation in "DerGrosseVerzweiger", afterwards used to store loaded data from Bank $02

==========
$AA & $AB
==========

- Set to #$19 in "NextStep"
- Base of a address calculation in "DerGrosseVerzweiger" (content * 6)

==========
   $F4
==========

- Stored into APU register $2140 in the middle of "DerSoundBrei"

==========
   $F5
==========

- Stored into APU register $2141 in the middle of "DerSoundBrei"
- Used in a Comparison in "DerSoundBrei"
- Is a changed value of $0113 (WorkingWithF5)

==========
   $F6
==========

- Stored into APU register $2142 in the middle of "DerSoundBrei"

==========
   $F7
==========

- Cleared at the beginning of "DerSoundBrei"
- Stored into APU register $2143 in the middle of "DerSoundBrei"
- Can be a changed value of $0110 (WorkingWithF7_Twostep)
- Can be a changed value of $0112 (WorkingWithF7_Fourstep)
- Can be a changed value of $0115 (WorkingWithF7_0114_Zero)

==================================================================================================

==========
  $0100
==========

- Set in "VBLANK" to #$80 if $EF = 0
- In "QuestionableSR1", its value is stored into $0102, cleared, and after VBLANK happens (while $EF = 0), its value is loaded from $0102 and stored back into $0100.

==========
  $0101
==========

- Used in VBLANK

==========
  $0102
==========

- Used in "QuestionableSR1" as a short time storage for $0100.

==========
  $0103
==========
VBLANK-Flag?

- Gets cleared in VBLANK if $EF = 0


==========
  $0110
==========

- Gets deformed and turns to value for $F7 in "Twostep"

==========
  $0111
==========

- Set in "F7_And_2143" to #$01, if $2143's Bit 5 is 0.

==========
  $0112
==========

- Gets deformed and turns to value for $F7 in "Fourstep"

==========
  $0113
==========

- Gets deformed and turns to value for $F5 in "WorkingWithF5"

==========
  $0114
==========

- Used in WorkingWithF7; its value has effects on the value of $F7

==========
  $0115
==========

- Used in WorkingWithF7; its value has effects on the value of $F7


==================================================================================================

==========
   $1026
==========

- Used in IntroSpriteDeactivator (has to be #$00)
- Part of "SecondJoyPad"

==========
   $1027
==========

- Part of "SecondJoyPad"

==========
   $1029
==========

- Part of "SecondJoyPad"

==========
   $102A
==========

- Part of "SecondJoyPad"

==========
   $102B
==========

- Part of "SecondJoyPad"

==========
   $102C
==========

- Part of "SecondJoyPad"