it does not work

.gitignore

@@ -39,3 +39,5 @@ res/fonts/compressed/
 res/furnace.appdata.xml
 src/asm/6502/*.o
 src/asm/6502/*.bin
+src/asm/6502/nes/test.nes
+src/asm/6502/nes/test.o

src/asm/6502/nes/test.s

@@ -25,6 +25,7 @@ main:
   dey
   bne -
   dex
+  stx $01
   bne -
   ; clear zero page
   ldx #$00
@@ -56,6 +57,20 @@ startPlayer:
   inx
   bne -
 
+  ; set palette
+  bit PPUSTATUS
+  lda #$3f
+  sta PPUADDR
+  lda #$00
+  sta PPUADDR
+
+  ldx #$00
+- lda ppuPalette.w,x
+  sta PPUDATA
+  inx
+  cpx #$10
+  bne -
+
   ; set up PPU
 + lda #$07
   sta PPUMASK
@@ -105,6 +120,12 @@ helloWorld:
   .db "Hello, World!"
   .db 0
 
+ppuPalette:
+  .db $0e, $00, $10, $30
+  .db $0e, $00, $10, $30
+  .db $0e, $00, $10, $30
+  .db $0e, $00, $10, $30
+
 volMaxArray:
   .dw $40, $40, $40, $40