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| author | Rangi <remy.oukaour+rangi42@gmail.com> | 2020-07-03 12:44:47 -0400 |
|---|---|---|
| committer | Rangi <remy.oukaour+rangi42@gmail.com> | 2020-07-03 12:44:47 -0400 |
| commit | c9c59dc34323a5e0b1886db5f845c8d41620826e (patch) | |
| tree | 0d07de202a4437e02cc8c66178b1dfec5c2a1673 /constants/sprite_data_constants.asm | |
| parent | 91dc3c9f9c8fd529bb6e8307b58b96efa0bec67e (diff) | |
Reorganize constants/
To do: add comments associating constants with data and code
Diffstat (limited to 'constants/sprite_data_constants.asm')
| -rw-r--r-- | constants/sprite_data_constants.asm | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/constants/sprite_data_constants.asm b/constants/sprite_data_constants.asm new file mode 100644 index 00000000..d5788cb1 --- /dev/null +++ b/constants/sprite_data_constants.asm @@ -0,0 +1,28 @@ +; different kinds of people events +ITEM EQU $80 +TRAINER EQU $40 + +BOULDER_MOVEMENT_BYTE_2 EQU $10 + +; sprite facing directions +SPRITE_FACING_DOWN EQU $00 +SPRITE_FACING_UP EQU $04 +SPRITE_FACING_LEFT EQU $08 +SPRITE_FACING_RIGHT EQU $0C + +NPC_MOVEMENT_DOWN EQU $00 +NPC_MOVEMENT_UP EQU $40 +NPC_MOVEMENT_LEFT EQU $80 +NPC_MOVEMENT_RIGHT EQU $C0 + +; player direction constants + +PLAYER_DIR_BIT_RIGHT EQU 0 +PLAYER_DIR_BIT_LEFT EQU 1 +PLAYER_DIR_BIT_DOWN EQU 2 +PLAYER_DIR_BIT_UP EQU 3 + +PLAYER_DIR_RIGHT EQU (1 << PLAYER_DIR_BIT_RIGHT) +PLAYER_DIR_LEFT EQU (1 << PLAYER_DIR_BIT_LEFT) +PLAYER_DIR_DOWN EQU (1 << PLAYER_DIR_BIT_DOWN) +PLAYER_DIR_UP EQU (1 << PLAYER_DIR_BIT_UP) |