View difference between Paste ID: Z785aqBB and L9jJBWxU

 ;HEADER, VARIABLE, AND CONSTANTS HERE
 ;-----------------------------------------------------------
 ;; DECLARE CONSTANTS
 ;-----------------------------------------------------------
 STATETITLE     = $00  ; displaying title screen
 STATEPLAYING   = $01  ; begin game
 STATEGAMEOVER  = $02  ; displaying game over screen
 STATEPAUSE     = $03  ; display pause screen
 ;MORE CONSTANTS
 
 ;RESET, CLRMEM, AND VLANKS
 
 ;-----------------------------------------------------------
 ;---------------Load Some Initial Values--------------------
 ;-----------------------------------------------------------
   JSR ResetValues
 
 ;LOAD PALETTES
 
 ;-----------------------------------------------------------
 ;---------------------LOAD BACKGROUND-----------------------
 ;-----------------------------------------------------------
   LDA #STATETITLE
   STA gamestate
   JSR LoadBackground
 ;LOAD ATTRIBUTES (THIS WILL BE MOVING ONCE I GET EVERYTHING WORKING)
 
   LDA #%10010000   ; enable NMI, sprites from Pattern Table 0, background from Pattern Table 1
   STA $2000
   JSR EnablePPU
 
 ;-----------------------------------------------------------
 ;-----------------------NMI ROUTINE-------------------------
 ;-----------------------------------------------------------
 NMI:
   LDA #$00
   STA $2003       ; set the low byte (00) of the RAM address
 
   LDA #$02
   STA $4014       ; set the high byte (02) of the RAM address, start the transfer
 
   ;SOME NMI CODE
   JSR UpdateColor      ;;Update the Sprite Palette Color for new beer color
   ;SOME NMI CODE
 
   LDA #$00        ;;tell the ppu there is no background scrolling
   STA $2005
   STA $2005
 
 ;;;;;;;;;;;;;;;;;;GAME ENGINE;;;;;;;;;;;;;;;;;;;;;;;;;
 
 GameEngine:
   LDA gamestate
   CMP #STATETITLE
   BEQ EngineTitle    ;;game is displaying title screen
 
   LDA gamestate
   CMP #STATEGAMEOVER
   BEQ EngineGameOver  ;;game is displaying ending screen
 
   LDA gamestate
   CMP #STATEPLAYING
   BEQ EnginePlaying   ;;game is playing
 
   LDA gamestate
   CMP #STATEPAUSE
   BEQ EnginePause     ;;game is paused
 
 GameEngineDone:
   RTI
 
 EngineTitle:
   LDA #$01
   STA ChangeColor
   LDA #$29
   STA attribute_RAM
 
   LDA buttons1_pressed       ; player 1 - start
   AND #%00010000  ; only look at bit 5
   BEQ GameEngineDone
     JSR StartEnginePlaying
     ;SOME CODE TO RESET VARIABLES
 
   JMP GameEngineDone
 
 ;;;;;;;;;
 
 EngineGameOver:
   LDA buttons1_pressed       ; player 1 - start
   AND #%00010000  ; only look at bit 5
   BEQ GameEngineDone
     JSR StartTitle
 
   JMP GameEngineDone
 
 ;;;;;;;;;;;
 
 EnginePlaying:
    ;SOME GAME PLAY CODE
   JSR handle_input
   JSR CheckGameOver                ;Go to Game Over Subroutine to see if the clock is 00, if yes, then display game over screen and disable sprites
   EnginePlayingDone:
   JMP GameEngineDone
 
 ;;;;;;;;;;;;;
 
 EnginePause:
   LDA buttons1_pressed     ; player 1 - start
   AND #%00010000  ; only look at bit 5
   BEQ GameEngineDone
     LDA #STATEPLAYING
     STA gamestate
 
  JMP GameEngineDone
 
 
 ;-----------------------------------------------------------
 ;------------------START ENGINE PLAYING---------------------
 ;-----------------------------------------------------------
 StartEnginePlaying:
 
   LDA #STATEPLAYING
   STA gamestate
     JSR DisablePPU
     JSR LoadBackground
     JSR EnablePPU
 
 StartEnginePlayingDone:
   RTS
 
 ;-----------------------------------------------------------
 ;-----------------------START TITLE-------------------------
 ;-----------------------------------------------------------
 StartTitle:
 
   LDA #STATETITLE
   STA gamestate
     JSR DisablePPU
     JSR LoadBackground
     JSR EnablePPU
 
 StartTitleDone:
   RTS
 
 ;-----------------------------------------------------------
 ;----------------------GAME OVER----------------------------
 ;-----------------------------------------------------------
 CheckGameOver:
   LDA time1
   BNE CheckGameOverDone
 
       LDA time10
     BNE CheckGameOverDone
 
         LDA #STATEGAMEOVER
         STA gamestate
           JSR DisablePPU
           JSR LoadBackground
           JSR EnablePPU_nosprites
 CheckGameOverDone:
   RTS
 
 ;-----------------------------------------------------------
 ;----------------------UPDATE COLOR-------------------------
 ;-----------------------------------------------------------
 UpdateColor:
   LDA ChangeColor  ;make a variable in zero page and set it to #$01 whenever you want this color to change.
   CMP #$01      ;if it's not #$01, ignore this subroutine and go to End.
   BNE .End
   LDA $2002     ;changing the palette (and background tiles)
   LDA #$3F
   STA $2006
   LDA #$11              ;address of specific color you want to change
   STA $2006
   LDA attribute_RAM              ;value of new color you want to change it to.
   STA $2007
   LDA #$00
   STA ChangeColor
 .End:
   RTS
 
 ;-----------------------------------------------------------
 ;---------------------LOAD BACKGROUND-----------------------
 ;-----------------------------------------------------------
 LoadBackground:
   LDA $2002
   LDA #$20
   STA $2006             ; write the high byte of $2000 address
   LDA #$00
   STA $2006             ; write the low byte of $2000 address
   ;;;;;;
   LDA gamestate
   CMP #$02
   BEQ LoadGameOverBackground
 
   LDA gamestate
   CMP #$01
   BEQ LoadMainBackground
 
   LDA gamestate
   CMP #$00
   BEQ LoadTitleBackground
 
   JMP LoadBackGroundDone
 
 LoadGameOverBackground:
   LDA #LOW(GameOverScreen)
   STA AddrLow
   LDA #HIGH(GameOverScreen)
   STA AddrHigh
   JMP StartBGLoading
 
 LoadMainBackground:
   LDA #LOW(MainScreen)
   STA AddrLow
   LDA #HIGH(MainScreen)
   STA AddrHigh
   JMP StartBGLoading
 
 LoadTitleBackground:
   LDA #LOW(TitleScreen)
   STA AddrLow
   LDA #HIGH(TitleScreen)
   STA AddrHigh
   JMP StartBGLoading
 
 StartBGLoading:
   LDX #$04              ; Loop X 4 times
   LDY #$00              ; Loop Y 256 times
 LoadBackgroundsLoop:
   LDA [AddrLow],y
   STA $2007
   INY
   BNE LoadBackgroundsLoop
 ; Outer loop
   INC AddrHigh           ; increment high byte of address backg to next 256 byte chunk
   DEX                    ; one chunk done so X = X - 1.
   BNE LoadBackgroundsLoop   ; if X isn't zero, do again
   LoadBackGroundDone:
   RTS
 
 ;-----------------------------------------------------------
 ;----------------------RESET VALUES---------------------------
 ;-----------------------------------------------------------
 ResetValues:
   LDA #$29
   STA attribute_RAM
   LDA #$00
   STA ChangeColor
 ;OTHER VARIABLES
   RTS
 
 ;-----------------------------------------------------------
 ;----------------------PPU----------------------------------
 ;-----------------------------------------------------------
 EnablePPU:
   LDA #%00011110   ; enable sprites, enable background, no clipping on left side
   STA $2001
   RTS
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 EnablePPU_nosprites:
   LDA #%00001110   ; Disable sprites, enable background, no clipping on left side
   STA $2001
   RTS
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 DisablePPU:
   LDA #$00
   STA $2001
   RTS