Issue with maps

Code:

  .inesprg 1   ; 2x 16KB PRG code banks (banks 0, 1, 2, 3)  .ineschr 1   ; 1x  8KB CHR data banks (bank 4)  .inesmap 0   ; mapper (0 = NROM), no bank swapping  .inesmir 1   ; 0 = horizontal background mirroring (for vertical scrolling)  .bank 0  .org $C000  .rsset      $0000bgLow      .rs 1bgHigh     .rs 1smLow      .rs 1smHigh     .rs 1compPtr    .rs 1rowFlag    .rs 1randSeed   .rs 1randNum    .rs 1quarter    .rs 1roomIndex  .rs 1qOffset    .rs 1urQOffset  .rs 1RESET:    sei        ; ignore IRQs    cld        ; disable decimal mode    ldx #$40    stx $4017  ; disable APU frame IRQ    ldx #$ff    txs        ; Set up stack    inx        ; now X = 0    stx $2000  ; disable NMI    stx $2001  ; disable rendering    stx $4010  ; disable DMC IRQs    ; Optional (omitted):    ; Set up mapper and jmp to further init code here.    ; The vblank flag is in an unknown state after reset,    ; so it is cleared here to make sure that @vblankwait1    ; does not exit immediately.    bit $2002    ; First of two waits for vertical blank to make sure that the    ; PPU has stabilizedvblankwait1:      bit $2002    bpl vblankwait1    ; We now have about 30,000 cycles to burn before the PPU stabilizes.    ; One thing we can do with this time is put RAM in a known state.    ; Here we fill it with $00, which matches what (say) a C compiler    ; expects for BSS.  Conveniently, X is still 0.    txaclrmem:    sta $000,x    sta $000,x    sta $200,x    sta $300,x    sta $400,x    sta $500,x    sta $600,x    sta $700,x    inx    bne clrmem    ; Other things you can do between vblank waits are set up audio    ; or set up other mapper registers.   vblankwait2:  bit $2002  bpl vblankwait2setZeroes:  lda #$00  sta bgHigh  sta bgLow  sta rowFlag  sta compPtr  sta qOffsetdisableNMI:  lda #%00000000   sta $2000  lda #%00000000  sta $2001  loadPalettes:    lda #HIGH(bgPalettes)  sta bgHigh  lda #LOW(bgPalettes)  sta bgLow      ldy #$00    lda $2002  lda #$3F  sta $2006  lda #$00  sta $2006    lda #$0F  sta $2007    loadPalettesLoop:  lda bgPalettes, y  sta $2007  iny  cpy #8  bne loadPalettesLoop lockScroll:  lda #$00  sta $2005  sta $2005  lda #14  sta quarter  jsr loadBasicMap  jsr loadQuarter  ;inc quarter  inc qOffset  jsr loadQuarter  ;inc quarter  inc qOffset  jsr loadQuarter  ;inc quarter   inc qOffset  jsr loadQuarter  jsr loadTestMap    lda #$00  sta randSeed    lda $2002  lda #%10010000  sta $2000  lda #%00111110  sta $2001    infinite:  jmp infiniteNMI:  lda #$00  sta $2003  lda #$02  sta $4014    lda #$00  sta $2005  sta $2005  rti  loadQuarter:  lda qOffset  sta urQOffset    ldx #$00    lda #HIGH($0500)  sta smHigh  lda #LOW($0500)  sta smLow    pha  txa  pha    ldy qOffset  clc  adc quarterStart, y  sta smLow    pla  tax  pla  ldy quarter  lda qHigh, y  sta bgHigh  lda qLow, y  sta bgLow  ldy #$00  ldx #$00  loadQuarterLoop:  lda [bgLow], y  sta [smLow], y    iny  cpy #7  bne loadQuarterLoop    lda smLow  clc  adc #16  sta smLow    lda bgLow  clc  adc #$07  sta bgLow    ldy #$00    inx  cpx #$06  bne loadQuarterLoop   rts  loadTestMap:  ldy #$00  ldx #$00    lda $2002  lda #$20  sta $2006  lda #$00  sta $2006    ldy #$00    loadTestMapLoop:  lda $0500, y  tax  lda TL, x  sta $2007  lda TR, x  sta $2007    tya  pha  ldy compPtr  lda BL, x  sta $0400, y  iny  lda BR, x  sta $0400, y  iny  tya  sta compPtr        pla  tay    lda compPtr  cmp #32  beq dropSecondRow      returnFromSecondRow:    iny  cpy #240  bne loadTestMapLoop    rts  dropSecondRow:  tya  pha    ldy #$00    loadSecondRowLoop:  lda $0400, y  sta $2007    lda #$00  sta $0400, y    iny  cpy #32    bne loadSecondRowLoop    lda #$00  sta compPtr    pla  tay    jmp returnFromSecondRow  rtsloadBasicMap:  tya  pha    lda #$01  ldy #$00    loadBasicMapLoop:  lda baseMap, y  sta $0500, y  iny    cpy #240  bne loadBasicMapLoop    pla  tay  rts      .bank 1  .org $E000    quarters:  quarter1:  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $01, $01, $01, $01, $01, $04  .byte $04, $01, $04, $04, $04, $04, $04  .byte $04, $01, $04, $04, $01, $01, $04  .byte $04, $01, $04, $04, $01, $01, $04  .byte $04, $04, $04, $04, $04, $04, $04    quarter2:  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $01, $01, $01, $01, $01, $04  .byte $04, $04, $04, $04, $04, $01, $04  .byte $04, $01, $01, $04, $04, $01, $04  .byte $04, $01, $01, $04, $04, $01, $04  .byte $04, $04, $04, $04, $04, $04, $04     quarter3:  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $01, $04, $04, $01, $01, $04  .byte $04, $01, $04, $04, $01, $01, $04  .byte $04, $01, $04, $04, $04, $04, $04  .byte $04, $01, $01, $01, $01, $01, $04  .byte $04, $04, $04, $04, $04, $04, $04  quarter4:  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $01, $01, $04, $04, $01, $04  .byte $04, $01, $01, $04, $04, $01, $04  .byte $04, $04, $04, $04, $04, $01, $04  .byte $04, $01, $01, $01, $01, $01, $04  .byte $04, $04, $04, $04, $04, $04, $04  quarter5:  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $04, $04, $04, $04, $04, $04    quarter6:  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $01, $04, $01, $04, $01, $04  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $01, $04, $01, $04, $01, $04  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $01, $04, $01, $04, $01, $04    quarter7:  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $04, $01, $04, $01, $04, $01  .byte $01, $04, $01, $04, $01, $04, $01  .byte $01, $04, $01, $04, $01, $04, $01  .byte $04, $04, $01, $04, $01, $04, $01  .byte $04, $04, $04, $04, $04, $04, $04    quarter8:  .byte $04, $04, $04, $04, $04, $04, $04  .byte $01, $04, $01, $04, $01, $04, $04  .byte $01, $04, $01, $04, $01, $04, $01  .byte $01, $04, $01, $04, $01, $04, $01  .byte $01, $04, $01, $04, $01, $04, $04  .byte $04, $04, $04, $04, $04, $04, $04    quarter9:  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $04, $01, $04, $01, $04, $04  .byte $04, $01, $04, $04, $04, $01, $04  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $04, $01, $04, $01, $04, $04  .byte $04, $04, $04, $04, $04, $04, $04    quarter10:  .byte $04, $01, $04, $01, $04, $01, $04  .byte $04, $04, $04, $04, $04, $04, $04  .byte $01, $04, $01, $04, $01, $04, $01  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $01, $04, $01, $04, $01, $04  .byte $04, $04, $04, $04, $04, $04, $04    quarter11:  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $04, $01, $01, $01, $04, $04  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $04, $01, $01, $01, $04, $04  .byte $04, $04, $04, $04, $04, $04, $04    quarter12:  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $01, $04, $04, $04, $01, $04  .byte $04, $01, $04, $01, $04, $01, $04  .byte $04, $01, $04, $01, $04, $01, $04  .byte $04, $01, $04, $04, $04, $01, $04  .byte $04, $04, $04, $04, $04, $04, $04    quarter13:  .byte $04, $04, $04, $04, $04, $04, $04  .byte $04, $04, $04, $01, $04, $04, $04  .byte $04, $01, $04, $04, $04, $01, $04  .byte $04, $01, $04, $04, $04, $01, $04  .byte $04, $04, $04, $01, $04, $04, $04  .byte $04, $04, $04, $04, $04, $04, $04    quarter14:  .byte $01, $01, $01, $01, $01, $01, $01  .byte $01, $01, $01, $01, $01, $01, $01    .byte $01, $01, $01, $01, $01, $01, $01  .byte $01, $01, $01, $01, $01, $01, $01  .byte $01, $01, $01, $01, $01, $01, $01  .byte $01, $01, $01, $01, $01, $01, $01    quarterAddresses:  qHigh:  .byte $E0, $E0, $E0, $E0, $E0, $E0, $E0, $E1, $E1, $E1, $E1, $E1, $E1, $E2  qLow:   .byte $00, $2A, $54, $7E, $A8, $D2, $FC, $26, $50, $7A, $A4, $CE, $F8, $22    quarterStart:  .byte $21, $28, $81, $88    tileDefinitions:  TL: .byte $00, $01, $05, $00, $21, $22, $26, $27, $28, $29  TR: .byte $00, $02, $06, $00, $21, $23, $26, $27, $28, $29  BL: .byte $00, $03, $07, $00, $21, $24, $26, $27, $28, $29  BR: .byte $00, $04, $08, $00, $21, $25, $26, $27, $28, $29  bgPalettes:  .byte $0F, $09, $16, $27, $04, $0B, $1A, $29    baseMap:  .byte $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00  .byte $01, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01  .byte $01, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $01  .byte $01, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $01  .byte $01, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $01  .byte $01, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $01  .byte $01, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $01  .byte $01, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $01  .byte $01, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $01  .byte $01, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $01  .byte $01, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $01  .byte $01, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $01  .byte $01, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $01  .byte $01, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $04, $01  .byte $01, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01, $01      .org $FFFA     ; first of the three vectors starts here    .dw NMI        ; when an NMI happens (once per frame if enabled) the processor will jump to the label NMI:    .dw RESET      ; when the processor first turns on or is reset, it will jump to the label RESET:    .dw 0          ; external interrupt IRQ unused  .bank 2  .org $0000  .incbin "bwzrd.chr"