Add an airplane tile.

pewpew.asm

@@ -70,12 +70,18 @@ Start:
     ; Write something recognizable into our scratch space.
     jsr FillScratch
 
-    ; Start the background color as a lime green.
+    ; Start the background color as a sky blue.
-    lda #31
-    sta $23
     lda #16
+    sta $23
+    lda #31
     sta $24
 
+    ; Player's initial starting location.
+    lda #(256 / 4)
+    sta $20
+    lda #((224 - 8) / 2)
+    sta $21
+
 
 
 MainLoop:
@@ -110,19 +116,20 @@ LoadPaletteAndTileData:
     lda #32  ; Palette entries for BG2 start at 32.
     sta CGADDR
 -    
-    lda.l PaletteData, x
+    lda.l UntitledPalette, x
     sta CGDATA
     inx
     cpx #8  ; 8 bytes of palette data.
     bne -
 
     ; DMA 0 source address & bank.
-    ldx #TileData
+    ldx #UntitledData
     stx DMA0SRC
-    lda #:TileData
+    lda #:UntitledData
     sta DMA0SRCBANK
     ; DMA 0 transfer size.
-    ldy #320  ; See the helpful comment in face.asm.
+    ; See the helpful comment in tiles.asm to find the size of the tile data.
+    ldy #384  
     sty DMA0SIZE
     ; DMA 0 control register.
     ; Transfer type 001 = 2 addresses, LH.
@@ -144,7 +151,7 @@ LoadPaletteAndTileData:
     ; Set word address for accessing VRAM to $6000.
     ldx #$6000  ; BG 2 starts here.
     stx VMADDR
-    ldx #$0002  ; Stick one tile into BG2.
+    ldx #$0004  ; Stick one tile into BG2.
     stx VMDATA
 
     ; Set up the screen. 16x16 tiles for BG2, 8x8 tiles elsewhere, mode 0.

tiles.asm

@@ -1,13 +1,13 @@
 ; Created with eKid's pcx2snes converter ;
 
-TileData:
+UntitledData:
     .db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
     .db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
     .db $07, $00, $18, $07, $20, $1F, $4C, $33, $50, $2F, $86, $79, $86, $79, $80, $7F
     .db $E0, $00, $18, $E0, $04, $F8, $32, $CC, $0A, $F4, $61, $9E, $61, $9E, $01, $FE
-    .db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+    .db $10, $00, $28, $10, $A8, $90, $64, $58, $E3, $DC, $30, $0F, $AC, $93, $60, $5F
-    .db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+    .db $00, $00, $00, $00, $00, $00, $F8, $00, $80, $00, $70, $80, $0E, $F0, $01, $FE
-    .db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+    .db $80, $00, $80, $00, $80, $00, $80, $00, $80, $00, $80, $00, $80, $00, $80, $00
     .db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
     .db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
     .db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
@@ -21,9 +21,13 @@ TileData:
     .db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
     .db $80, $7F, $9F, $60, $9F, $6F, $4F, $37, $47, $38, $20, $1F, $18, $07, $07, $00
     .db $01, $FE, $F9, $06, $F9, $F6, $F2, $EC, $E2, $1C, $04, $F8, $18, $E0, $E0, $00
+    .db $60, $5F, $AC, $93, $30, $0F, $E3, $DC, $64, $58, $A8, $90, $28, $10, $10, $00
+    .db $01, $FE, $0E, $F0, $70, $80, $80, $00, $F8, $00, $00, $00, $00, $00, $00, $00
+    .db $80, $00, $80, $00, $80, $00, $80, $00, $80, $00, $80, $00, $80, $00, $80, $00
+    .db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
 
-PaletteData:
+UntitledPalette:
-    .db $1F, $7C, $00, $00, $FF, $7F, $1F, $00
+    .db $1F, $7C, $00, $00, $FF, $7F, $1F, $02
 
-; 20 tiles (12 spaces)
+; 24 tiles (8 spaces)
-; 320 bytes
+; 384 bytes