dos33fsprogs/games/duke/draw_duke.s
Vince Weaver b1238af49d re-arranged the entire directory structure
this will probably upset people
2021-01-05 15:29:31 -05:00

121 lines
2.1 KiB
ArmAsm

;=========================
; draw duke
;=========================
draw_duke:
lda DUKE_X
sta XPOS
lda DUKE_Y
sta YPOS
lda DUKE_DIRECTION
bmi duke_facing_left
;=========================
; facing right
duke_facing_right:
check_falling_right:
lda DUKE_FALLING
beq check_jumping_right
draw_falling_right:
ldx #<duke_sprite_falling_right
lda #>duke_sprite_falling_right
jmp actually_draw_duke
check_jumping_right:
lda DUKE_JUMPING
beq check_shooting_right
draw_jumping_right:
ldx #<duke_sprite_jumping_right
lda #>duke_sprite_jumping_right
jmp actually_draw_duke
check_shooting_right:
lda DUKE_SHOOTING
beq check_walking_right
draw_shooting_right:
ldx #<duke_sprite_shooting_right
lda #>duke_sprite_shooting_right
dec DUKE_SHOOTING
jmp actually_draw_duke
check_walking_right:
lda DUKE_WALKING
beq draw_standing_right
draw_walking_right:
lda FRAMEL
and #$02
beq draw_standing_right
ldx #<duke_sprite_walking_right
lda #>duke_sprite_walking_right
jmp actually_draw_duke
draw_standing_right:
ldx #<duke_sprite_stand_right
lda #>duke_sprite_stand_right
jmp actually_draw_duke
;==================
; facing left
duke_facing_left:
check_falling_left:
lda DUKE_FALLING
beq check_jumping_left
draw_falling_left:
ldx #<duke_sprite_falling_left
lda #>duke_sprite_falling_left
jmp actually_draw_duke
check_jumping_left:
lda DUKE_JUMPING
beq check_shooting_left
draw_jumping_left:
ldx #<duke_sprite_jumping_left
lda #>duke_sprite_jumping_left
jmp actually_draw_duke
check_shooting_left:
lda DUKE_SHOOTING
beq check_walking_left
draw_shooting_left:
ldx #<duke_sprite_shooting_left
lda #>duke_sprite_shooting_left
dec DUKE_SHOOTING
jmp actually_draw_duke
check_walking_left:
lda DUKE_WALKING
beq draw_standing_left
draw_walking_left:
lda FRAMEL
and #$02
beq draw_standing_left
ldx #<duke_sprite_walking_left
lda #>duke_sprite_walking_left
jmp actually_draw_duke
draw_standing_left:
ldx #<duke_sprite_stand_left
lda #>duke_sprite_stand_left
jmp actually_draw_duke
;====================
; actually draw
actually_draw_duke:
stx INL
sta INH
jsr put_sprite_crop
rts