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Notes:Animaniacs (Genesis)

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This page contains notes for the game Animaniacs (Genesis).


Unknown Debug

01:7B60  32 3C  MOVE.w  #$8701,D1
01:7B64  08 38  BTST    #7,($B073)               //P2 Start button
01:7B6A  67 06  BEQ     #$06 [01:7B72]           //branch to $017B72 if P2 Start button not pressed
01:7B6C  0A 78  EORI.W  #$0001,($B092)           //toggle bit
01:7B72  08 38  BTST    #0,($B093)
01:7B78  67 36  BEQ     #$36 [01:7BB0]           //branch to $017BB0 (exit) if FFB093 is #$00
01:7B6C  0A 78  EORI.W  #$0001,($B092)           //toggle bit OFF
01:7B7A  30 38  MOVE.w  ($FB46),D0
01:7B7E  02 40  ANDI.W  #$FFBF,D0
01:7B82  33 C0  MOVE.w  D0,($00C00004)
01:7B88  33 C1  MOVE.w  D1,($00C00004)           //set backdrop to color $01
01:7B8E  32 3C  MOVE.w  #$0008,D1
01:7B92  51 C9  DBFa    D1,#$FFFE [01:7B92]
01:7B96  33 FC  MOVE.w  #$8700,($00C00004)       //set backdrop to color $00
01:7B9E  30 38  MOVE.w  ($FB46),D0
01:7BA2  33 C0  MOVE.w  D0,($00C00004)
01:7BA8  32 3C  MOVE.w  #$0008,D1
01:7BAC  51 C9  DBFa    D1,#$FFFE [01:7BAC]
01:7BB0  4E 75  RTS

Debug 1-4 Init.

01:7BB2  4A 38  TST.B   ($B060)                  //debug menu index
01:7BB6  66 00  BNE     #$00C8 [01:7C80]         //branch to $017C80 if a debug menu has been loaded
01:7BBA  08 38  BTST    #7,($B073)               //P2 Start button
01:7BC0  67 00  BEQ     #$00D2 [01:7C94]         //branch to $017C94 if P2 Start button not pressed
P2 Start button pressed
01:7BC4  08 38  BTST    #0,($B072)               //P2 D-Pad Up
01:7BCA  67 02  BEQ     #$02 [01:7BCE]           //branch to $017BCE if P2 D-Pad Up not pressed
01:7BCC  60 36  BRA     #$36 [01:7C04]           //branch to debug menu 1
01:7BCE  08 38  BTST    #1,($B072)               //P2 D-Pad Down
01:7BD4  67 00  BEQ     #$0004 [01:7BDA]         //branch to $017BDA if P2 D-Pad Down not pressed
01:7BD8  60 54  BRA     #$54 [01:7C2E]           //branch to debug menu 2
01:7BDA  08 38  BTST    #2,($B072)               //P2 D-Pad Left
01:7BE0  67 00  BEQ     #$0004 [01:7BE6]         //branch to $017BE6 if P2 D-Pad Left not pressed
01:7BE4  60 64  BRA     #$64 [01:7C4A]           //branch to debug menu 3
01:7BE6  08 38  BTST    #3,($B072)               //P2 D-Pad Right
01:7BEC  67 00  BEQ     #$00A6 [01:7C94]         //branch to $017C94 if P2 D-Pad Right not pressed
debug menu 4 init.
01:7BF0  11 FC  MOVE.b  #$04,($B060)             //set debug menu index 4
01:7BF6  42 78  CLR.W   ($B06E)
01:7BFA  61 00  BSR     #$0A10 [01:860C]
01:7BFE  61 00  BSR     #$0A44 [01:8644]
01:7C02  60 22  BRA     #$22 [01:7C26]
debug menu 1 init.
01:7C04  11 FC  MOVE.b  #$01,($B060)             //set debug menu index 1
01:7C0A  61 00  BSR     #$052A [01:8136]
01:7C0E  42 38  CLR.B   ($B061)
01:7C12  42 38  CLR.B   ($B062)
01:7C16  61 00  BSR     #$064E [01:8266]
01:7C1A  41 F8  LEA     ($F780),A0
01:7C1E  20 3C  MOVE.l  #$000000DF,D0
01:7C24  72 00  MOVEQ   #$00,D1
01:7C26  20 C1  MOVE.l  D1,(A0)+
01:7C28  51 C8  DBFa    D0,#$FFFC [01:7C26]
01:7C2C  60 66  BRA     #$66 [01:7C94]
debug menu 2 init.
01:7C2E  11 FC  MOVE.b  #$02,($B060)             //set debug menu index 2
01:7C34  61 00  BSR     #$0500 [01:8136]
01:7C38  42 38  CLR.B   ($B061)
01:7C3C  42 38  CLR.B   ($B062)
01:7C40  61 00  BSR     #$071A [01:835C]
01:7C44  61 00  BSR     #$07A6 [01:83EC]
01:7C48  60 4A  BRA     #$4A [01:7C94]
debug menu 3 init.
01:7C4A  11 FC  MOVE.b  #$03,($B060)             //set debug menu index 3
01:7C50  61 00  BSR     #$04E4 [01:8136]
01:7C54  42 38  CLR.B   ($B061)
01:7C58  42 38  CLR.B   ($B062)
01:7C5C  11 FC  MOVE.b  #$01,($B066)
01:7C62  11 FC  MOVE.b  #$01,($B067)
01:7C68  41 F8  LEA     ($F780),A0
01:7C6C  20 3C  MOVE.l  #$000000DF,D0
01:7C72  72 00  MOVEQ   #$00,D1
01:7C74  20 C1  MOVE.l  D1,(A0)+
01:7C76  51 C8  DBFa    D0,#$FFFC [01:7C74]
01:7C7A  61 00  BSR     #$02F4 [01:7F70]
01:7C7E  60 14  BRA     #$14 [01:7C94]
load debug menu
01:7C80  52 38  ADDQ.B  #1,($B06C)               //???
01:7C84  10 38  MOVE.b  ($B060),D0               //debug menu index
01:7C88  02 40  ANDI.W  #$00FF,D0                //examine only lower 8 bits
01:7C8C  E5 48  LSL.W   #2,D0                    //x4
01:7C8E  20 7B  MOVE.l  $06(PC,D0),A0            //load pointer into A0 (see next section below for list of pointers)
01:7C92  4E 90  JSR     (A0)                     //jump to debug menu main programming
exit
01:7C94  4A 38  TST.B   ($B060)                  //debug menu index
01:7C98  4E 75  RTS                              //apparently, the programming that called this sub, if it still exists, will then check if a debug menu was loaded (non-zero value in FFB060).

Debug Menu 1-4 pointers

Offset   Pointer
00017C9A 00017CAA debug 1 (up)
00017C9E 00017D28 debug 2 (down)
00017CA2 00017EA2 debug 3 (left)
00017CA6 0001865C debug 4 (right)