dos33fsprogs/monkey/monkey_bar.s

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987 B
ArmAsm
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; if x<5 goto DOCK at 34,20
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bar_check_exit:
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lda GUYBRUSH_X
cmp #5
bcc bar_to_dock
bcs bar_no_exit
bar_to_dock:
lda #MONKEY_DOCK
sta LOCATION
lda #34
sta GUYBRUSH_X
sta DESTINATION_X
lda #20
sta GUYBRUSH_Y
sta DESTINATION_Y
jsr change_location
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bar_no_exit:
rts
bar_adjust_destination:
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; if x<21, y=20
; if x<25, y=18
; x can't go past 25
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br_check_x:
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lda DESTINATION_X
cmp #25
bcs br_x_too_big
cmp #21
bcc br_x_small
bcs br_x_medium
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br_x_too_big:
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lda #25
sta DESTINATION_X
lda #18
sta DESTINATION_Y
bne done_br_adjust
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br_x_medium:
lda #18
sta DESTINATION_Y
bne done_br_adjust
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br_x_small:
lda #20
sta DESTINATION_Y
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done_br_adjust:
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rts
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draw_bar_door:
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lda BAR_DOOR_OPEN
beq done_draw_bar_door
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lda #<door_sprite
sta INL
lda #>door_sprite
sta INH
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lda #11
sta XPOS
lda #22
sta YPOS
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jsr put_sprite_crop
done_draw_bar_door:
rts
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door_sprite:
.byte 2,5
.byte $d2,$d2
.byte $88,$DD
.byte $88,$DD
.byte $88,$DD
.byte $5d,$5D
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