Use symbolic constant for backgroundBlue.

9 years ago · f324413101
1 changed files with 2 additions and 2 deletions
--- a/pewpew.asm
+++ b/pewpew.asm
@ -284,7 +284,7 @@ InitializeSpriteTables:
 InitializeWorld:
    ; Start the background color as a dark blue.
    lda #4
-    sta $24
+    sta backgroundBlue

    ; Player's initial starting location.
    lda #(256 / 4)
@ -568,7 +568,7 @@ ShotDone:
 SetBackgroundColor:
    ; The background-color bytes are (R, G, B), each ranging from [0-31].
    ; The palette color format is 15-bit: [0bbbbbgg][gggrrrrr]
-    
+
    ; Set the background color.
    ; Entry 0 corresponds to the SNES background color.
    stz CGADDR