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face_hero_northwest.s
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face_hero_northwest.s
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; vim: set syntax=asm_ca65:
.include "constants.inc"
.include "macros/write_oam.inc"
TILE_0_INDEX_DEFAULT = $12
TILE_1_INDEX_DEFAULT = $12
TILE_2_INDEX_DEFAULT = $16
TILE_3_INDEX_DEFAULT = $15
TILE_0_INDEX_ANIMATION_A = $12
TILE_1_INDEX_ANIMATION_A = $12
TILE_2_INDEX_ANIMATION_A = $48
TILE_3_INDEX_ANIMATION_A = $47
TILE_0_INDEX_ANIMATION_B = $12
TILE_1_INDEX_ANIMATION_B = $12
TILE_2_INDEX_ANIMATION_B = $58
TILE_3_INDEX_ANIMATION_B = $57
.segment "ZEROPAGE"
.import frame_counter
.segment "CODE"
.proc face_hero_northwest
PHP
PHA
TXA
PHA
TYA
PHA
LDA frame_counter
CMP #$10
BCC @animation_a
LDA frame_counter
CMP #$20
BCC @default
LDA frame_counter
CMP #$30
BCC @animation_b
JMP @default
@default:
write_oam TILE_0_INDEX_DEFAULT, HERO_0_INDEX_OFFSET
write_oam TILE_1_INDEX_DEFAULT, HERO_1_INDEX_OFFSET
write_oam TILE_2_INDEX_DEFAULT, HERO_2_INDEX_OFFSET
write_oam TILE_3_INDEX_DEFAULT, HERO_3_INDEX_OFFSET
write_oam FLIP_HORIZONTALLY, HERO_0_ATTR_OFFSET
write_oam ZERO, HERO_1_ATTR_OFFSET
write_oam FLIP_HORIZONTALLY, HERO_2_ATTR_OFFSET
write_oam FLIP_HORIZONTALLY, HERO_3_ATTR_OFFSET
JMP @done
@animation_a:
write_oam TILE_0_INDEX_ANIMATION_A, HERO_0_INDEX_OFFSET
write_oam TILE_1_INDEX_ANIMATION_A, HERO_1_INDEX_OFFSET
write_oam TILE_2_INDEX_ANIMATION_A, HERO_2_INDEX_OFFSET
write_oam TILE_3_INDEX_ANIMATION_A, HERO_3_INDEX_OFFSET
write_oam FLIP_HORIZONTALLY, HERO_0_ATTR_OFFSET
write_oam ZERO, HERO_1_ATTR_OFFSET
write_oam FLIP_HORIZONTALLY, HERO_2_ATTR_OFFSET
write_oam FLIP_HORIZONTALLY, HERO_3_ATTR_OFFSET
JMP @done
@animation_b:
write_oam TILE_0_INDEX_ANIMATION_B, HERO_0_INDEX_OFFSET
write_oam TILE_1_INDEX_ANIMATION_B, HERO_1_INDEX_OFFSET
write_oam TILE_2_INDEX_ANIMATION_B, HERO_2_INDEX_OFFSET
write_oam TILE_3_INDEX_ANIMATION_B, HERO_3_INDEX_OFFSET
write_oam FLIP_HORIZONTALLY, HERO_0_ATTR_OFFSET
write_oam ZERO, HERO_1_ATTR_OFFSET
write_oam FLIP_HORIZONTALLY, HERO_2_ATTR_OFFSET
write_oam FLIP_HORIZONTALLY, HERO_3_ATTR_OFFSET
@done:
PLA
TAY
PLA
TAX
PLA
PLP
RTS
.endproc
.export face_hero_northwest