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https://github.com/deater/dos33fsprogs.git
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ootw: c1: more work on slugs
This commit is contained in:
Vince Weaver
parent
7ce483dad1
commit
80fd7c3565
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@ -46,7 +46,7 @@ cave0:
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; set slug table to use
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lda #0
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sta ds_smc1+1
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lda #(SLUG_STRUCT_SIZE*3)
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lda #3 ; use slugs 0-2
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sta ds_smc2+1
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; set right exit
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@ -70,9 +70,9 @@ cave0:
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cave1:
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; set slug table to use
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lda #(SLUG_STRUCT_SIZE*3)
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lda #3
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sta ds_smc1+1
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lda #(SLUG_STRUCT_SIZE*7)
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lda #7 ; use slugs 3-6
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sta ds_smc2+1
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; set right exit
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@ -1,9 +1,11 @@
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; Sluggy Freelance
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; slug behavior:
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; cavern1: three slugs: 2 on ceiling
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; cavern2: four slugs: 1 on ceiling, but 3 more will respawn on ceiling
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; slug behavior from game:
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; cavern1: three slugs (2 on ceiling)
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; cavern2: four slugs (1 on ceiling) but 3 more will respawn on ceiling
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; as you kill them
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; so 7 total to track
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; Crawl forward. When close, attack.
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; Ceiling: crawl until within X of physicist
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@ -17,82 +19,82 @@
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; draw slugs
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;==================================
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SLUG_STRUCT_SIZE = 8
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; TODO: use less space? merge some of these?
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NUM_SLUGS = 7
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; 1 is out, 2 is respawn?
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slugg_out:
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slugg0_out: .byte 1 ; 0
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slugg0_attack: .byte 0 ; 1
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slugg0_dying: .byte 0 ; 2
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slugg0_x: .byte 30 ; 3
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slugg0_y: .byte 30 ; 4
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slugg0_dir: .byte $ff ; 5
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slugg0_gait: .byte 0 ; 6
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slugg0_falling: .byte 0 ; 7
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slugg1_out: .byte 1 ; 8
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slugg1_attack: .byte 0
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slugg1_dying: .byte 0
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slugg1_x: .byte 30
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slugg1_y: .byte 30
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slugg1_dir: .byte $ff
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slugg1_gait: .byte 0
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slugg1_falling: .byte 0
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slugg2_out: .byte 1
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slugg2_attack: .byte 0
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slugg2_dying: .byte 0
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slugg2_x: .byte 30
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slugg2_y: .byte 2
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slugg2_dir: .byte $ff
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slugg2_gait: .byte 0
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slugg2_falling: .byte 0
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slugg1_out: .byte 1 ; 0
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slugg2_out: .byte 1 ; 0
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slugg3_out: .byte 1 ; 0
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slugg4_out: .byte 1 ; 0
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slugg5_out: .byte 1 ; 0
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slugg6_out: .byte 1 ; 0
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slugg_attack:
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slugg0_attack: .byte 0 ; 1
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slugg1_attack: .byte 0
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slugg2_attack: .byte 0
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slugg3_attack: .byte 0 ; 1
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slugg3_dying: .byte 0 ; 2
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slugg3_x: .byte 30 ; 3
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slugg3_y: .byte 30 ; 4
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slugg3_dir: .byte $ff ; 5
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slugg3_gait: .byte 0 ; 6
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slugg3_falling: .byte 0 ; 7
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slugg4_out: .byte 1 ; 6
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slugg4_attack: .byte 0
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slugg4_dying: .byte 0
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slugg4_x: .byte 30
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slugg4_y: .byte 30
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slugg4_dir: .byte $ff
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slugg4_gait: .byte 0
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slugg4_falling: .byte 0
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slugg5_out: .byte 1
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slugg5_attack: .byte 0
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slugg5_dying: .byte 0
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slugg5_x: .byte 30
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slugg5_y: .byte 30
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slugg5_dir: .byte $ff
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slugg5_gait: .byte 0
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slugg5_falling: .byte 0
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slugg6_out: .byte 1
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slugg6_attack: .byte 0
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slugg_dying:
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slugg0_dying: .byte 0 ; 2
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slugg1_dying: .byte 0
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slugg2_dying: .byte 0
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slugg3_dying: .byte 0 ; 2
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slugg4_dying: .byte 0
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slugg5_dying: .byte 0
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slugg6_dying: .byte 0
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slugg_x:
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slugg0_x: .byte 30 ; 3
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slugg1_x: .byte 30
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slugg2_x: .byte 30
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slugg3_x: .byte 30 ; 3
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slugg4_x: .byte 30
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slugg5_x: .byte 30
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slugg6_x: .byte 30
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slugg_y:
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slugg0_y: .byte 30 ; 4
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slugg1_y: .byte 30
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slugg2_y: .byte 2
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slugg3_y: .byte 30 ; 4
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slugg4_y: .byte 30
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slugg5_y: .byte 30
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slugg6_y: .byte 2
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slugg_dir:
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slugg0_dir: .byte $ff ; 5
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slugg1_dir: .byte $ff
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slugg2_dir: .byte $ff
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slugg3_dir: .byte $ff ; 5
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slugg4_dir: .byte $ff
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slugg5_dir: .byte $ff
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slugg6_dir: .byte $ff
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slugg_gait:
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slugg0_gait: .byte 0 ; 6
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slugg1_gait: .byte 0
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slugg2_gait: .byte 0
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slugg3_gait: .byte 0 ; 6
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slugg4_gait: .byte 0
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slugg5_gait: .byte 0
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slugg6_gait: .byte 0
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slugg_falling:
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slugg0_falling: .byte 0 ; 7
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slugg1_falling: .byte 0
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slugg2_falling: .byte 0
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slugg3_falling: .byte 0 ; 7
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slugg4_falling: .byte 0
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slugg5_falling: .byte 0
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slugg6_falling: .byte 0
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slugg7_out: .byte 1
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slugg7_attack: .byte 0
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slugg7_dying: .byte 0
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slugg7_x: .byte 30
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slugg7_y: .byte 2
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slugg7_dir: .byte $ff
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slugg7_gait: .byte 0
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slugg7_falling: .byte 0
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;========================
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@ -105,21 +107,25 @@ init_slugs:
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init_slug_loop:
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; Mark slug as out and alive
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; if slugs 4,5,6 then get 2 for respawn
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lda #1
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sta slugg0_out,X
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cpx #4
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bcc regular_slug ; blt
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lda #2
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regular_slug:
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sta slugg_out,X
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; Mark slug as not attacking or dying
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lda #0
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sta slugg0_attack,X
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sta slugg0_dying,X
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sta slugg_attack,X
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sta slugg_dying,X
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; Point the slug in the correct direction (left in this case)
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lda #$ff
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sta slugg0_dir,X
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sta slugg_dir,X
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; Randomly pick an X value to appear at
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@ -133,22 +139,19 @@ init_slug_loop:
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bcc slugx_not_too_high ; blt
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lsr ; div by two if too large
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slugx_not_too_high:
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sta slugg0_x,X
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sta slugg_x,X
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; Make the slug movement random so they don't all move in sync
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jsr random16
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lda SEEDL
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sta slugg0_gait,X
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sta slugg_gait,X
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; incrememnt struct pointer until all are initialized
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clc
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txa
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adc #SLUG_STRUCT_SIZE
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tax
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inx
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cpx #NUM_SLUGS
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cpx #(SLUG_STRUCT_SIZE*8)
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bne init_slug_loop
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; FIXME: originally forced some spacing between them
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@ -167,16 +170,15 @@ ds_smc1:
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stx WHICH_SLUG
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draw_slugs_loop:
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ldx WHICH_SLUG
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lda slugg0_out,X
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lda slugg_out,X
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bne check_kicked ; don't draw if not there
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jmp slug_done
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check_kicked:
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lda slugg0_out,X ; only kick if normal
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cmp #1
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lda slugg_dying,X ; only kick if alive
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bne check_attack
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lda slugg0_y,X ; only kick if on ground
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lda slugg_y,X ; only kick if on ground
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cmp #30
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bne check_attack
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@ -192,18 +194,18 @@ check_kicked:
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were_kicking:
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lda PHYSICIST_X
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sec
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sbc slugg0_x,X ; -4 to +4
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sbc slugg_x,X ; -4 to +4
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clc
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adc #4
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and #$f8
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bne not_kicked
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kicked:
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lda #2
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sta slugg0_out,X
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; lda #2
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; sta slugg_out,X
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lda #10
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sta slugg0_dying,X
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sta slugg_dying,X
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lda DIRECTION
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sta slugg0_dir,X
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sta slugg_dir,X
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not_kicked:
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@ -211,11 +213,11 @@ check_attack:
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;==================
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; see if attack
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lda slugg0_out,X ; only attack if out
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lda slugg_out,X ; only attack if out
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cmp #1
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bne no_attack
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lda slugg0_y,X ; only attack if on ground
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lda slugg_y,X ; only attack if on ground
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cmp #30
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bne no_attack
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@ -231,7 +233,7 @@ check_attack:
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lda PHYSICIST_X
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sec
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sbc slugg0_x,X ; -2 to +2
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sbc slugg_x,X ; -2 to +2
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clc
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adc #2
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and #$fc
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@ -242,7 +244,7 @@ attack:
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; start an attack
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lda #1
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sta slugg0_attack,X
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sta slugg_attack,X
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lda PHYSICIST_STATE ; don't re-attack if already dead
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cmp #P_COLLAPSING
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@ -258,18 +260,18 @@ attack:
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ldx WHICH_SLUG
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no_attack:
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inc slugg0_gait,X ; increment slug gait counter
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inc slugg_gait,X ; increment slug gait counter
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lda slugg0_gait,X ; only move every 64 frames
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lda slugg_gait,X ; only move every 64 frames
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and #$3f
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cmp #$00
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bne slug_no_move
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slug_move:
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lda slugg0_x,X
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lda slugg_x,X
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clc
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adc slugg0_dir,X
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sta slugg0_x,X
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adc slugg_dir,X
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sta slugg_x,X
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slug_check_right:
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cmp #37
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@ -294,7 +296,7 @@ slug_no_move:
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; if exploding
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;==============
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lda slugg0_dying,X
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lda slugg_dying,X
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beq check_draw_attacking
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slug_exploding:
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stx WHICH_SLUG
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@ -313,8 +315,8 @@ slug_exploding:
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bit SPEAKER
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dec slugg0_dying,X
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dec slugg0_dying,X
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dec slugg_dying,X
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dec slugg_dying,X
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bne no_progress
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jmp remove_slug
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@ -327,11 +329,11 @@ no_progress:
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; if attacking
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;==============
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check_draw_attacking:
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lda slugg0_attack,X
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lda slugg_attack,X
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beq check_slug_ceiling
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slug_attacking:
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lda slugg0_gait,X
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lda slugg_gait,X
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stx WHICH_SLUG
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and #$70
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lsr
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@ -353,12 +355,12 @@ slug_attacking:
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; if on ceiling
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;==============
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check_slug_ceiling:
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lda slugg0_y,X
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lda slugg_y,X
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cmp #30
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beq slug_normal
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slug_ceiling:
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lda slugg0_gait,X
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lda slugg_gait,X
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and #$20
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beq slug_ceiling_squinched
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@ -381,7 +383,7 @@ slug_ceiling_squinched:
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; if normal
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;==============
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slug_normal:
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lda slugg0_gait,X
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lda slugg_gait,X
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and #$20
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beq slug_squinched
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@ -404,15 +406,15 @@ slug_squinched:
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slug_selected:
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lda slugg0_x,X
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lda slugg_x,X
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sta XPOS
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lda slugg0_y,X
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lda slugg_y,X
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sec
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sbc EARTH_OFFSET
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sta YPOS
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lda slugg0_dir,X
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lda slugg_dir,X
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stx WHICH_SLUG
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bmi slug_right
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@ -424,14 +426,12 @@ slug_right:
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jsr put_sprite_flipped
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slug_done:
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lda WHICH_SLUG
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clc
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adc #SLUG_STRUCT_SIZE
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tax
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ldx WHICH_SLUG
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inx
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stx WHICH_SLUG
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ds_smc2:
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cpx #(3*SLUG_STRUCT_SIZE)
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cpx #3
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beq slug_exit
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jmp draw_slugs_loop
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@ -441,7 +441,7 @@ slug_exit:
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remove_slug:
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lda #0
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sta slugg0_out,X
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sta slugg_out,X
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jmp slug_done
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