91 lines
1.1 KiB
ArmAsm
91 lines
1.1 KiB
ArmAsm
|
|
|
|
;====================
|
|
; draw duck1
|
|
;====================
|
|
draw_duck1:
|
|
|
|
lda D1_XPOS
|
|
sta XPOS
|
|
lda D1_YPOS
|
|
sta YPOS
|
|
|
|
lda D1_STATE
|
|
beq done_draw_duck1
|
|
bmi duck1_draw_right
|
|
|
|
duck1_draw_left:
|
|
lda #<d1_left1_mask
|
|
sta MASKL
|
|
lda #>d1_left1_mask
|
|
sta MASKH
|
|
|
|
lda #<d1_left1_sprite
|
|
sta INL
|
|
lda #>d1_left1_sprite
|
|
jmp do_draw_duck1
|
|
|
|
duck1_draw_right:
|
|
lda #<d1_right1_mask
|
|
sta MASKL
|
|
lda #>d1_right1_mask
|
|
sta MASKH
|
|
|
|
lda #<d1_right1_sprite
|
|
sta INL
|
|
lda #>d1_right1_sprite
|
|
|
|
do_draw_duck1:
|
|
sta INH
|
|
jsr gr_put_sprite_mask
|
|
|
|
done_draw_duck1:
|
|
rts
|
|
|
|
|
|
|
|
|
|
|
|
;====================
|
|
; draw duck2
|
|
;====================
|
|
draw_duck2:
|
|
|
|
lda D2_XPOS
|
|
sta XPOS
|
|
lda D2_YPOS
|
|
sta YPOS
|
|
|
|
lda D2_STATE
|
|
beq done_draw_duck2
|
|
bmi duck2_draw_right
|
|
|
|
duck2_draw_left:
|
|
lda #<d2_left1_mask
|
|
sta MASKL
|
|
lda #>d2_left1_mask
|
|
sta MASKH
|
|
|
|
lda #<d2_left1_sprite
|
|
sta INL
|
|
lda #>d2_left1_sprite
|
|
jmp do_draw_duck2
|
|
|
|
duck2_draw_right:
|
|
lda #<d2_right1_mask
|
|
sta MASKL
|
|
lda #>d2_right1_mask
|
|
sta MASKH
|
|
|
|
lda #<d2_right1_sprite
|
|
sta INL
|
|
lda #>d2_right1_sprite
|
|
|
|
do_draw_duck2:
|
|
sta INH
|
|
jsr gr_put_sprite_mask
|
|
|
|
done_draw_duck2:
|
|
rts
|
|
|