2022-03-13 21:18:19 +00:00
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;==================
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;==================
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2022-03-22 04:05:49 +00:00
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; erase lemmings
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2022-03-13 21:18:19 +00:00
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;==================
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;==================
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2022-03-11 04:02:08 +00:00
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erase_lemming:
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ldy #0
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2022-03-22 04:05:49 +00:00
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sty CURRENT_LEMMING
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erase_lemming_loop:
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ldy CURRENT_LEMMING
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2022-03-11 04:02:08 +00:00
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lda lemming_out,Y
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beq done_erase_lemming
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lda lemming_y,Y
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2022-03-13 03:13:05 +00:00
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sec
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2022-03-16 01:00:30 +00:00
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sbc #6
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2022-03-11 04:02:08 +00:00
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sta SAVED_Y1
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clc
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2022-03-16 01:00:30 +00:00
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adc #15
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2022-03-11 04:02:08 +00:00
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sta SAVED_Y2
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lda lemming_x,Y
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tax
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inx
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jsr hgr_partial_restore
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done_erase_lemming:
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2022-03-22 04:05:49 +00:00
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inc CURRENT_LEMMING
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lda CURRENT_LEMMING
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cmp #MAX_LEMMINGS
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bne erase_lemming_loop
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2022-03-11 04:02:08 +00:00
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rts
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2022-03-27 05:58:39 +00:00
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2022-03-13 21:18:19 +00:00
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;=========================
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;=========================
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; draw lemming
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;=========================
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;=========================
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2022-03-10 06:10:42 +00:00
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draw_lemming:
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2022-03-11 04:02:08 +00:00
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ldy #0
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2022-03-22 04:05:49 +00:00
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sty CURRENT_LEMMING
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draw_lemming_loop:
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ldy CURRENT_LEMMING
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2022-03-10 06:10:42 +00:00
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2022-03-27 05:58:39 +00:00
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lda lemming_out,Y ; if lemming not out, skip
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beq done_draw_lemming
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2022-03-13 03:13:05 +00:00
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2022-03-27 05:58:39 +00:00
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;===============================
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; draw countdown if applicable
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2022-03-10 06:10:42 +00:00
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2022-03-16 01:00:30 +00:00
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do_draw_countdown:
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lda lemming_exploding,Y
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beq do_draw_lemming
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2022-03-23 01:48:02 +00:00
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ldx lemming_exploding,Y
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2022-03-16 01:00:30 +00:00
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dex
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lda countdown_sprites_l,X
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sta INL
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lda countdown_sprites_h,X
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sta INH
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ldx lemming_x,Y
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stx XPOS
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lda lemming_y,Y
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sec
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sbc #6
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sta YPOS
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jsr hgr_draw_sprite_autoshift
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2022-03-13 03:13:05 +00:00
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do_draw_lemming:
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2022-03-22 04:05:49 +00:00
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2022-03-27 05:58:39 +00:00
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; set up jump table
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ldy CURRENT_LEMMING
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2022-03-13 01:55:20 +00:00
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lda lemming_status,Y
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2022-03-27 05:58:39 +00:00
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tax
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lda draw_lemming_jump_h,X
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pha
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lda draw_lemming_jump_l,X
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pha
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rts ; jump to it
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draw_common:
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sta YPOS
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jsr hgr_draw_sprite_autoshift
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done_draw_lemming:
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inc CURRENT_LEMMING
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lda CURRENT_LEMMING
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cmp #MAX_LEMMINGS
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; beq really_done_draw_lemming
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bne draw_lemming_loop
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really_done_draw_lemming:
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rts
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draw_lemming_jump_l:
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.byte <(draw_falling_sprite-1)
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.byte <(draw_walking_sprite-1)
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.byte <(draw_digging_sprite-1)
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.byte <(draw_exploding_sprite-1)
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.byte <(draw_particles-1)
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.byte <(draw_splatting_sprite-1)
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.byte <(draw_floating_sprite-1)
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.byte 0 ; <(draw_climbing_sprite-1)
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.byte 0 ; <(draw_bashing_sprite-1)
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.byte <(draw_stopping_sprite-1)
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.byte 0 ; <(draw_mining_sprite-1)
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.byte 0 ; <(draw_building_sprite-1)
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.byte 0 ; <(draw_shrugging_sprite-1)
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.byte 0 ; <(draw_pullup_sprite-1)
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draw_lemming_jump_h:
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.byte >(draw_falling_sprite-1)
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.byte >(draw_walking_sprite-1)
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.byte >(draw_digging_sprite-1)
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.byte >(draw_exploding_sprite-1)
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.byte >(draw_particles-1)
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.byte >(draw_splatting_sprite-1)
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.byte >(draw_floating_sprite-1)
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.byte 0 ; >(draw_climbing_sprite-1)
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.byte 0 ; >(draw_bashing_sprite-1)
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.byte >(draw_stopping_sprite-1)
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.byte 0 ; >(draw_mining_sprite-1)
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.byte 0 ; >(draw_building_sprite-1)
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.byte 0 ; >(draw_shrugging_sprite-1)
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.byte 0 ; >(draw_pullup_sprite-1)
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;=========================
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;=========================
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; draw walking
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;=========================
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;=========================
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2022-03-13 03:13:05 +00:00
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draw_walking_sprite:
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lda lemming_frame,Y
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and #$7
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tax
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lda lemming_direction,Y
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bpl draw_walking_right
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2022-03-13 01:55:20 +00:00
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2022-03-13 03:13:05 +00:00
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draw_walking_left:
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lda lwalk_sprite_l,X
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sta INL
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lda lwalk_sprite_h,X
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jmp draw_walking_common
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draw_walking_right:
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lda rwalk_sprite_l,X
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sta INL
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lda rwalk_sprite_h,X
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draw_walking_common:
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sta INH
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ldx lemming_x,Y
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stx XPOS
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lda lemming_y,Y
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jmp draw_common
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2022-03-25 01:25:26 +00:00
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2022-03-27 05:58:39 +00:00
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;=========================
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;=========================
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2022-03-25 01:25:26 +00:00
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; draw floating
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2022-03-27 05:58:39 +00:00
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;=========================
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;=========================
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2022-03-12 23:03:53 +00:00
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2022-03-25 01:25:26 +00:00
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draw_floating_sprite:
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2022-03-13 01:55:20 +00:00
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2022-03-25 01:25:26 +00:00
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lda lemming_frame,Y
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cmp #4
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bcc umbrella_opening ; blt
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; if <4 then draw first 4
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; frames
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and #3 ; otherwise repeat frames
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clc ; 4..7
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adc #4
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umbrella_opening:
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tax
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lda umbrella_sprite_l,X
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sta INL
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lda umbrella_sprite_h,X
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sta INH
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ldx lemming_x,Y
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stx XPOS
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lda lemming_y,Y
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sec
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sbc #4
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2022-03-25 04:59:49 +00:00
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2022-03-27 05:58:39 +00:00
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jmp draw_common
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2022-03-24 04:21:50 +00:00
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2022-03-23 01:48:02 +00:00
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2022-03-27 05:58:39 +00:00
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;=========================
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;=========================
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; draw falling
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;=========================
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;=========================
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2022-03-16 01:56:47 +00:00
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2022-03-27 05:58:39 +00:00
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draw_falling_sprite:
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2022-03-23 01:48:02 +00:00
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lda lemming_frame,Y
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2022-03-27 05:58:39 +00:00
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and #$3
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tax
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2022-03-16 01:56:47 +00:00
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2022-03-27 05:58:39 +00:00
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lda lemming_direction,Y
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bpl draw_falling_right
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2022-03-23 01:48:02 +00:00
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2022-03-27 05:58:39 +00:00
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draw_falling_left:
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lda lfall_sprite_l,X
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sta INL
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lda lfall_sprite_h,X
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jmp draw_falling_common
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2022-03-23 01:48:02 +00:00
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2022-03-27 05:58:39 +00:00
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draw_falling_right:
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lda rfall_sprite_l,X
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sta INL
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lda rfall_sprite_h,X
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2022-03-16 01:56:47 +00:00
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2022-03-27 05:58:39 +00:00
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draw_falling_common:
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sta INH
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2022-03-16 01:56:47 +00:00
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2022-03-27 05:58:39 +00:00
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ldx lemming_x,Y
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stx XPOS
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lda lemming_y,Y
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2022-03-16 01:56:47 +00:00
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2022-03-27 05:58:39 +00:00
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jmp draw_common
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2022-03-16 01:24:13 +00:00
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2022-03-27 05:58:39 +00:00
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;=========================
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;=========================
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; draw exploding
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;=========================
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;=========================
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draw_exploding_sprite:
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2022-03-16 01:24:13 +00:00
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lda lemming_frame,Y
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cmp #$10
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2022-03-27 05:58:39 +00:00
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; bcc exploding_animation
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2022-03-16 01:24:13 +00:00
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beq draw_explosion
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2022-03-27 05:58:39 +00:00
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bcs start_particles
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jmp exploding_animation
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2022-03-16 01:24:13 +00:00
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start_particles:
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2022-03-16 01:56:47 +00:00
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lda #0
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2022-03-23 01:48:02 +00:00
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sta lemming_frame,Y
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2022-03-16 01:56:47 +00:00
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jsr init_particles
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2022-03-16 01:24:13 +00:00
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; erase explosion
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2022-03-23 01:48:02 +00:00
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ldy CURRENT_LEMMING
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2022-03-16 01:24:13 +00:00
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lda lemming_y,Y
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sec
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sbc #16
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sta SAVED_Y1
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clc
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adc #32
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sta SAVED_Y2
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lda lemming_x,Y
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sec
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sbc #1
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tax
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inx
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inx
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inx
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jsr hgr_partial_restore
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; start particles
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2022-03-23 01:10:57 +00:00
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ldy CURRENT_LEMMING
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2022-03-16 01:24:13 +00:00
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lda #LEMMING_PARTICLES
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2022-03-23 01:10:57 +00:00
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sta lemming_status,Y
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2022-03-16 01:24:13 +00:00
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2022-03-27 05:58:39 +00:00
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jmp done_draw_lemming
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2022-03-16 01:24:13 +00:00
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draw_explosion:
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; first erase pit in background art
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jsr hgr_hlin_page_toggle ; toggle to page2
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2022-03-21 02:43:15 +00:00
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ldx #0
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sta HGR_COLOR
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2022-03-23 01:10:57 +00:00
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ldy CURRENT_LEMMING
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2022-03-16 01:24:13 +00:00
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|
; line from (x,a) to (x+y,a)
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2022-03-23 01:10:57 +00:00
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lda lemming_x,Y
|
2022-03-21 02:43:15 +00:00
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|
asl
|
2022-03-23 01:10:57 +00:00
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adc lemming_x,Y
|
2022-03-21 02:43:15 +00:00
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asl
|
2022-03-23 01:10:57 +00:00
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|
adc lemming_x,Y ; multiply by 7
|
2022-03-21 02:43:15 +00:00
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tax
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pha
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2022-03-23 01:10:57 +00:00
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lda lemming_y,Y
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2022-03-16 01:24:13 +00:00
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clc
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2022-03-21 02:43:15 +00:00
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adc #9
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2022-03-23 01:10:57 +00:00
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ldy #7
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2022-03-16 01:24:13 +00:00
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jsr hgr_hlin
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; line from (x,a) to (x+y,a)
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2022-03-21 02:43:15 +00:00
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pla
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tax
|
2022-03-23 01:10:57 +00:00
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ldy CURRENT_LEMMING
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lda lemming_y,Y
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2022-03-21 02:43:15 +00:00
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ldy #7
|
2022-03-16 01:24:13 +00:00
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clc
|
2022-03-21 02:43:15 +00:00
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adc #10
|
2022-03-16 01:24:13 +00:00
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jsr hgr_hlin
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2022-03-21 02:24:24 +00:00
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jsr hgr_hlin_page_toggle ; toggle back to page1
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jsr click_speaker
|
2022-03-16 01:24:13 +00:00
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ldy #0
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lda #<explosion_sprite
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sta INL
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lda #>explosion_sprite
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sta INH
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2022-03-23 01:10:57 +00:00
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ldy CURRENT_LEMMING
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2022-03-16 01:24:13 +00:00
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ldx lemming_x,Y
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dex
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stx XPOS
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lda lemming_y,Y
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sec
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sbc #5
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jmp done_handle_exploding
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exploding_animation:
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; and #$f
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tax
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lda exploding_sprite_l,X
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sta INL
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lda exploding_sprite_h,X
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sta INH
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ldx lemming_x,Y
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stx XPOS
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lda lemming_y,Y
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done_handle_exploding:
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sta YPOS
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jsr hgr_draw_sprite_autoshift
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|
2022-03-27 05:58:39 +00:00
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jmp done_draw_lemming
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2022-03-24 04:21:50 +00:00
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2022-03-27 05:58:39 +00:00
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;====================
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; draw splatting
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;====================
|
2022-03-24 04:21:50 +00:00
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2022-03-27 05:58:39 +00:00
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draw_splatting_sprite:
|
2022-03-24 04:21:50 +00:00
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;==========================
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; Handle splatting
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;==========================
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; moved to make room
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handle_splatting:
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lda lemming_frame,Y
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cmp #$8
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beq done_splatting
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draw_splatting:
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jsr click_speaker
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tax
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lda splatting_sprite_l,X
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sta INL
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lda splatting_sprite_h,X
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sta INH
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ldx lemming_x,Y
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stx XPOS
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lda lemming_y,Y
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sta YPOS
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jsr hgr_draw_sprite_autoshift
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|
2022-03-27 05:58:39 +00:00
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jmp done_draw_lemming
|
2022-03-24 04:21:50 +00:00
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done_splatting:
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clc
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jsr remove_lemming ; FIXME: tail call
|
2022-03-25 04:59:49 +00:00
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|
2022-03-27 05:58:39 +00:00
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jmp done_draw_lemming
|
2022-03-25 04:59:49 +00:00
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2022-03-27 05:58:39 +00:00
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;====================
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;====================
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; draw stopping
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;====================
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;====================
|
2022-03-25 04:59:49 +00:00
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|
2022-03-27 05:58:39 +00:00
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draw_stopping_sprite:
|
2022-03-25 04:59:49 +00:00
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lda lemming_frame,Y
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and #$f
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|
tax
|
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|
lda stopper_sprite_l,X
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sta INL
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lda stopper_sprite_h,X
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sta INH
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ldx lemming_x,Y
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stx XPOS
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lda lemming_y,Y
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sta YPOS
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jsr hgr_draw_sprite_autoshift
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|
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|
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|
2022-03-27 05:58:39 +00:00
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|
jmp done_draw_lemming
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|
;====================
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;====================
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; draw particles
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;====================
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;====================
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|
draw_particles:
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jsr hgr_draw_particles
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ldy CURRENT_LEMMING
|
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lda lemming_frame,Y
|
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|
cmp #16
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|
bne still_going
|
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; TODO: partway through make lemming not out?
|
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lda #0
|
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sta lemming_out,Y
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clc ; mark as not exiting via door
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jsr remove_lemming ; remove the lemming
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|
still_going:
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not_done_particle:
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jmp done_draw_lemming
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;======================
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;======================
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; digging
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;======================
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;======================
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|
draw_digging_sprite:
|
|
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|
lda lemming_frame,Y
|
|
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|
and #$7
|
|
|
|
|
tax
|
|
|
|
|
|
|
|
|
|
lda dig_sprite_l,X
|
|
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|
sta INL
|
|
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|
lda dig_sprite_h,X
|
|
|
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|
sta INH
|
|
|
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ldx lemming_x,Y
|
|
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|
stx XPOS
|
|
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|
|
lda lemming_y,Y
|
|
|
|
|
sec
|
|
|
|
|
sbc #2
|
|
|
|
|
jmp draw_common
|
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|
|
|
2022-03-25 04:59:49 +00:00
|
|
|
|
|
|
|
|
|
2022-03-27 05:58:39 +00:00
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lfall_sprite_l:
|
|
|
|
|
.byte <lemming_lfall1_sprite,<lemming_lfall2_sprite
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|
.byte <lemming_lfall3_sprite,<lemming_lfall4_sprite
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|
lfall_sprite_h:
|
|
|
|
|
.byte >lemming_lfall1_sprite,>lemming_lfall2_sprite
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|
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|
.byte >lemming_lfall3_sprite,>lemming_lfall4_sprite
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|
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|
|
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|
rfall_sprite_l:
|
|
|
|
|
.byte <lemming_rfall1_sprite,<lemming_rfall2_sprite
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.byte <lemming_rfall3_sprite,<lemming_rfall4_sprite
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rfall_sprite_h:
|
|
|
|
|
.byte >lemming_rfall1_sprite,>lemming_rfall2_sprite
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.byte >lemming_rfall3_sprite,>lemming_rfall4_sprite
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|
|
|
|
|
|
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|
dig_sprite_l:
|
|
|
|
|
.byte <lemming_dig1_sprite,<lemming_dig2_sprite
|
|
|
|
|
.byte <lemming_dig3_sprite,<lemming_dig4_sprite
|
|
|
|
|
.byte <lemming_dig5_sprite,<lemming_dig6_sprite
|
|
|
|
|
.byte <lemming_dig7_sprite,<lemming_dig8_sprite
|
|
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|
dig_sprite_h:
|
|
|
|
|
.byte >lemming_dig1_sprite,>lemming_dig2_sprite
|
|
|
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|
.byte >lemming_dig3_sprite,>lemming_dig4_sprite
|
|
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|
|
.byte >lemming_dig5_sprite,>lemming_dig6_sprite
|
|
|
|
|
.byte >lemming_dig7_sprite,>lemming_dig8_sprite
|
|
|
|
|
|
|
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|
|
rwalk_sprite_l:
|
|
|
|
|
.byte <lemming_rwalk1_sprite,<lemming_rwalk2_sprite
|
|
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|
.byte <lemming_rwalk3_sprite,<lemming_rwalk4_sprite
|
|
|
|
|
.byte <lemming_rwalk5_sprite,<lemming_rwalk6_sprite
|
|
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|
.byte <lemming_rwalk7_sprite,<lemming_rwalk8_sprite
|
|
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|
rwalk_sprite_h:
|
|
|
|
|
.byte >lemming_rwalk1_sprite,>lemming_rwalk2_sprite
|
|
|
|
|
.byte >lemming_rwalk3_sprite,>lemming_rwalk4_sprite
|
|
|
|
|
.byte >lemming_rwalk5_sprite,>lemming_rwalk6_sprite
|
|
|
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|
.byte >lemming_rwalk7_sprite,>lemming_rwalk8_sprite
|
|
|
|
|
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|
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|
lwalk_sprite_l:
|
|
|
|
|
.byte <lemming_lwalk1_sprite,<lemming_lwalk2_sprite
|
|
|
|
|
.byte <lemming_lwalk3_sprite,<lemming_lwalk4_sprite
|
|
|
|
|
.byte <lemming_lwalk5_sprite,<lemming_lwalk6_sprite
|
|
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|
|
.byte <lemming_lwalk7_sprite,<lemming_lwalk8_sprite
|
|
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|
lwalk_sprite_h:
|
|
|
|
|
.byte >lemming_lwalk1_sprite,>lemming_lwalk2_sprite
|
|
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|
.byte >lemming_lwalk3_sprite,>lemming_lwalk4_sprite
|
|
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|
|
.byte >lemming_lwalk5_sprite,>lemming_lwalk6_sprite
|
|
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|
|
.byte >lemming_lwalk7_sprite,>lemming_lwalk8_sprite
|
|
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|
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|
exploding_sprite_l:
|
|
|
|
|
.byte <lemming_explode1_sprite,<lemming_explode1_sprite
|
|
|
|
|
.byte <lemming_explode2_sprite,<lemming_explode3_sprite
|
|
|
|
|
.byte <lemming_explode4_sprite,<lemming_explode5_sprite
|
|
|
|
|
.byte <lemming_explode6_sprite,<lemming_explode7_sprite
|
|
|
|
|
.byte <lemming_explode8_sprite,<lemming_explode7_sprite
|
|
|
|
|
.byte <lemming_explode9_sprite,<lemming_explode8_sprite
|
|
|
|
|
.byte <lemming_explode9_sprite,<lemming_explode8_sprite
|
|
|
|
|
.byte <lemming_explode9_sprite,<lemming_explode8_sprite
|
|
|
|
|
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|
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|
|
exploding_sprite_h:
|
|
|
|
|
.byte >lemming_explode1_sprite,>lemming_explode1_sprite
|
|
|
|
|
.byte >lemming_explode2_sprite,>lemming_explode3_sprite
|
|
|
|
|
.byte >lemming_explode4_sprite,>lemming_explode5_sprite
|
|
|
|
|
.byte >lemming_explode6_sprite,>lemming_explode7_sprite
|
|
|
|
|
.byte >lemming_explode8_sprite,>lemming_explode7_sprite
|
|
|
|
|
.byte >lemming_explode9_sprite,>lemming_explode8_sprite
|
|
|
|
|
.byte >lemming_explode9_sprite,>lemming_explode8_sprite
|
|
|
|
|
.byte >lemming_explode9_sprite,>lemming_explode8_sprite
|
|
|
|
|
|
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|
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|
; 787989898
|
|
|
|
|
; clcrlrlrle
|
|
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|
countdown_sprites_l:
|
|
|
|
|
.byte <countdown5_sprite,<countdown4_sprite,<countdown3_sprite
|
|
|
|
|
.byte <countdown2_sprite,<countdown1_sprite
|
|
|
|
|
|
|
|
|
|
countdown_sprites_h:
|
|
|
|
|
.byte >countdown5_sprite,>countdown4_sprite,>countdown3_sprite
|
|
|
|
|
.byte >countdown2_sprite,>countdown1_sprite
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
splatting_sprite_l:
|
|
|
|
|
.byte <lemming_splat1_sprite,<lemming_splat2_sprite
|
|
|
|
|
.byte <lemming_splat3_sprite,<lemming_splat4_sprite
|
|
|
|
|
.byte <lemming_splat5_sprite,<lemming_splat6_sprite
|
|
|
|
|
.byte <lemming_splat7_sprite,<lemming_splat8_sprite
|
|
|
|
|
|
|
|
|
|
splatting_sprite_h:
|
|
|
|
|
.byte >lemming_splat1_sprite,>lemming_splat2_sprite
|
|
|
|
|
.byte >lemming_splat3_sprite,>lemming_splat4_sprite
|
|
|
|
|
.byte >lemming_splat5_sprite,>lemming_splat6_sprite
|
|
|
|
|
.byte >lemming_splat7_sprite,>lemming_splat8_sprite
|
|
|
|
|
|
|
|
|
|
umbrella_sprite_l:
|
|
|
|
|
.byte <lemming_umbrella1_sprite,<lemming_umbrella2_sprite
|
|
|
|
|
.byte <lemming_umbrella3_sprite,<lemming_umbrella4_sprite
|
|
|
|
|
.byte <lemming_umbrella5_sprite,<lemming_umbrella6_sprite
|
|
|
|
|
.byte <lemming_umbrella7_sprite,<lemming_umbrella8_sprite
|
|
|
|
|
|
|
|
|
|
umbrella_sprite_h:
|
|
|
|
|
.byte >lemming_umbrella1_sprite,>lemming_umbrella2_sprite
|
|
|
|
|
.byte >lemming_umbrella3_sprite,>lemming_umbrella4_sprite
|
|
|
|
|
.byte >lemming_umbrella5_sprite,>lemming_umbrella6_sprite
|
|
|
|
|
.byte >lemming_umbrella7_sprite,>lemming_umbrella8_sprite
|
|
|
|
|
|
|
|
|
|
stopper_sprite_l:
|
|
|
|
|
.byte <lemming_stopper1_sprite,<lemming_stopper2_sprite
|
|
|
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.byte <lemming_stopper3_sprite,<lemming_stopper4_sprite
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.byte <lemming_stopper5_sprite,<lemming_stopper6_sprite
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.byte <lemming_stopper7_sprite,<lemming_stopper7_sprite
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.byte <lemming_stopper9_sprite,<lemming_stopper10_sprite
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.byte <lemming_stopper11_sprite,<lemming_stopper12_sprite
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.byte <lemming_stopper13_sprite,<lemming_stopper14_sprite
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.byte <lemming_stopper7_sprite,<lemming_stopper7_sprite
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stopper_sprite_h:
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.byte >lemming_stopper1_sprite,>lemming_stopper2_sprite
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.byte >lemming_stopper3_sprite,>lemming_stopper4_sprite
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.byte >lemming_stopper5_sprite,>lemming_stopper6_sprite
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.byte >lemming_stopper7_sprite,>lemming_stopper7_sprite
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.byte >lemming_stopper9_sprite,>lemming_stopper10_sprite
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.byte >lemming_stopper11_sprite,>lemming_stopper12_sprite
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.byte >lemming_stopper13_sprite,>lemming_stopper14_sprite
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.byte >lemming_stopper7_sprite,>lemming_stopper7_sprite
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