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-rw-r--r--shared/diskun.s6
-rw-r--r--shared/ppu.s11
2 files changed, 14 insertions, 3 deletions
diff --git a/shared/diskun.s b/shared/diskun.s
index d8bab90..8349748 100644
--- a/shared/diskun.s
+++ b/shared/diskun.s
@@ -26,9 +26,9 @@
;; Background
.byte DEFAULT_COLOR, $36, $17, $0F
- .byte DEFAULT_COLOR, $00, $00, $00
- .byte DEFAULT_COLOR, $00, $00, $00
- .byte DEFAULT_COLOR, $00, $00, $00
+ .byte DEFAULT_COLOR, $28, $0F, $30
+ .byte DEFAULT_COLOR, $20, $0F, $30
+ .byte DEFAULT_COLOR, $2F, $20, $30
;; Foreground
.byte DEFAULT_COLOR, $28, $0F, $30
diff --git a/shared/ppu.s b/shared/ppu.s
new file mode 100644
index 0000000..42acb06
--- /dev/null
+++ b/shared/ppu.s
@@ -0,0 +1,11 @@
+;; WRITE_PPU_DATA is a macro that will write into PPUADDR the given address and
+;; into PPUDATA the given byte value.
+.macro WRITE_PPU_DATA address, value
+ bit $2002
+ lda #.HIBYTE(address)
+ sta $2006
+ lda #.LOBYTE(address)
+ sta $2006
+ lda #value
+ sta $2007
+.endmacro