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-rw-r--r--asm/macros.s61
1 files changed, 61 insertions, 0 deletions
diff --git a/asm/macros.s b/asm/macros.s
index 127296ffc..c79dc7af1 100644
--- a/asm/macros.s
+++ b/asm/macros.s
@@ -28,3 +28,64 @@
.macro zero_fill count
.fill \count
.endm
+
+; Berry trees have a table defining the palette slot used for each of their 5
+; stages. However, the first 2 stages always use the same slots regardless of
+; the type of tree and the slots of the last 3 stages always equal each other.
+ .macro berry_tree_palette_slot_table slot
+ .byte 3, 4, \slot, \slot, \slot
+ .endm
+
+ .macro sprite_oam x, y, priority, tile_num_offset, size
+ .byte \x
+ .byte \y
+ .2byte ((\priority) << 14) | ((\tile_num_offset) << 4) | SPRITE_SIZE_\size
+ .endm
+
+ .macro obj_image_anim_frame pic_id, duration, flags = 0
+ .2byte \pic_id
+ .byte (\flags) | (\duration)
+ .byte 0 ; padding
+ .endm
+
+ .macro obj_image_anim_loop count
+ .2byte 0xfffd
+ .byte \count
+ .byte 0 ; padding
+ .endm
+
+ .macro obj_image_anim_jump target_index
+ .2byte 0xfffe
+ .byte \target_index
+ .byte 0 ; padding
+ .endm
+
+ .macro obj_image_anim_end
+ .2byte 0xffff
+ .2byte 0 ; padding
+ .endm
+
+ .macro obj_rot_scal_anim_frame delta_x_scale, delta_y_scale, delta_angle, duration
+ .2byte \delta_x_scale
+ .2byte \delta_y_scale
+ .byte \delta_angle
+ .byte \duration
+ .2byte 0 ; padding
+ .endm
+
+ .macro obj_rot_scal_anim_loop count
+ .2byte 0x7ffd
+ .2byte \count
+ .4byte 0 ; padding
+ .endm
+
+ .macro obj_rot_scal_anim_jump target_index
+ .2byte 0x7ffe
+ .2byte \target_index
+ .4byte 0 ; padding
+ .endm
+
+ .macro obj_rot_scal_anim_end
+ .2byte 0x7fff
+ .fill 6 ; padding
+ .endm