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-rw-r--r--constants/input_constants.asm18
1 files changed, 9 insertions, 9 deletions
diff --git a/constants/input_constants.asm b/constants/input_constants.asm
index d7aae05b..1f10cc46 100644
--- a/constants/input_constants.asm
+++ b/constants/input_constants.asm
@@ -1,12 +1,3 @@
-A_BUTTON EQU %00000001
-B_BUTTON EQU %00000010
-SELECT EQU %00000100
-START EQU %00001000
-D_RIGHT EQU %00010000
-D_LEFT EQU %00100000
-D_UP EQU %01000000
-D_DOWN EQU %10000000
-
const_def
const BIT_A_BUTTON
const BIT_B_BUTTON
@@ -16,3 +7,12 @@ D_DOWN EQU %10000000
const BIT_D_LEFT
const BIT_D_UP
const BIT_D_DOWN
+
+A_BUTTON EQU 1 << BIT_A_BUTTON
+B_BUTTON EQU 1 << BIT_B_BUTTON
+SELECT EQU 1 << BIT_SELECT
+START EQU 1 << BIT_START
+D_RIGHT EQU 1 << BIT_D_RIGHT
+D_LEFT EQU 1 << BIT_D_LEFT
+D_UP EQU 1 << BIT_D_UP
+D_DOWN EQU 1 << BIT_D_DOWN