Spinloop working

This is enough spinlooping for there to be a noticable gap between the
screen colors

greenspace.asm

@@ -1,28 +1,71 @@
 .include "header.inc"
 .include "snes_init.asm"
 
+.BANK 0 SLOT 0
+.ORG 0
+.SECTION "maincode"
+
 VBlank:
-    RTI
+    rti
 
 Start:
 
 Snes_Init ; Initialize the SNES
 
-sep #$20 ; set A register to 8-bit
+;stz $1337
 
-
-lda #%10000000 ; force Vblank by turning off screen
+stz $2121 ;store zero in memory
+lda #%11000000  ;3-green, 5-red
+sta $2122
+lda #%00000111  ;blank, 5-blue, 2-green
+sta $2122
+lda #$0f
 sta $2100
 
-; load 16-bit color into color data register $2122
-lda #%11100000 ;low byte of green
-sta $2122
-lda #%00000000 ;high byte of green
-sta $2122
+lda #$3
+oye:
+    dea
+    cmp #$00
+    bne oye
 
-lda #%00001111 ; End Vblank set brightness to 0b1111 (=100%)
-sta $2100 ; store it to Screen Display Register
 
-; loop forever
-Forever:
-    jmp Forever
+ldx #$03
+lvl3:
+    lda #$ff
+    lvl2:
+        xba
+        lda #$ff
+        lvl1:
+            dea
+            cmp #$00
+            bne lvl1
+        xba
+        dea
+        cmp #$00
+        bne lvl2
+    stz $1337
+    dex
+    txa
+    cmp #$00
+    bne lvl3
+
+stz $2121 ;store zero in memory
+lda #%00111111  ;3-green, 5-red
+sta $2122
+lda #%00000000  ;blank, 5-blue, 2-green
+sta $2122
+lda #$0f
+sta $2100
+
+
+mainloop:
+    jmp mainloop
+
+.ENDS
+
+.BANK 1
+.ORG 0
+.SECTION "TileData"
+
+
+.ENDS