2022-03-13 21:18:19 +00:00
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;==================
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;==================
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; erase lemming
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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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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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rts
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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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2022-03-10 06:10:42 +00:00
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2022-03-11 04:02:08 +00:00
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lda lemming_out,Y
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2022-03-16 01:00:30 +00:00
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bne do_draw_countdown
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2022-03-13 03:13:05 +00:00
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jmp done_draw_lemming
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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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ldx lemming_exploding
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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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2022-03-16 01:00:30 +00:00
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ldy #0
|
2022-03-13 01:55:20 +00:00
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lda lemming_status,Y
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cmp #LEMMING_DIGGING
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beq draw_digging_sprite
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2022-03-13 03:13:05 +00:00
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cmp #LEMMING_FALLING
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beq draw_falling_sprite
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2022-03-16 01:00:30 +00:00
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cmp #LEMMING_EXPLODING
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beq draw_exploding_sprite
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2022-03-16 01:56:47 +00:00
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cmp #LEMMING_PARTICLES
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beq draw_particles
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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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;====================
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; draw falling
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;====================
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2022-03-12 23:03:53 +00:00
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draw_falling_sprite:
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lda lemming_frame,Y
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and #$3
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tax
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lda lemming_direction,Y
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bpl draw_falling_right
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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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draw_falling_right:
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lda rfall_sprite_l,X
|
2022-03-10 06:10:42 +00:00
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sta INL
|
2022-03-12 23:03:53 +00:00
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lda rfall_sprite_h,X
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draw_falling_common:
|
2022-03-10 06:10:42 +00:00
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sta INH
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2022-03-11 04:02:08 +00:00
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ldx lemming_x,Y
|
2022-03-10 06:10:42 +00:00
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stx XPOS
|
2022-03-11 04:02:08 +00:00
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lda lemming_y,Y
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2022-03-13 01:55:20 +00:00
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jmp draw_common
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|
2022-03-16 01:00:30 +00:00
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|
;====================
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; draw exploding
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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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jsr handle_explosion
|
2022-03-16 01:00:30 +00:00
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|
2022-03-16 01:24:13 +00:00
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jmp done_draw_lemming
|
2022-03-16 01:00:30 +00:00
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|
2022-03-16 01:56:47 +00:00
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;====================
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; draw particles
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;====================
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draw_particles:
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jsr handle_particles
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jmp done_draw_lemming
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2022-03-16 01:00:30 +00:00
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2022-03-13 01:55:20 +00:00
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;======================
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; digging
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draw_digging_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 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
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sec
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sbc #2
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jmp draw_common
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draw_common:
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2022-03-10 06:10:42 +00:00
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sta YPOS
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2022-03-13 21:18:19 +00:00
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jsr hgr_draw_sprite_autoshift
|
2022-03-10 06:10:42 +00:00
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done_draw_lemming:
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rts
|
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|
2022-03-12 23:03:53 +00:00
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lfall_sprite_l:
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.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:
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.byte >lemming_lfall1_sprite,>lemming_lfall2_sprite
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.byte >lemming_lfall3_sprite,>lemming_lfall4_sprite
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rfall_sprite_l:
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.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:
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.byte >lemming_rfall1_sprite,>lemming_rfall2_sprite
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.byte >lemming_rfall3_sprite,>lemming_rfall4_sprite
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|
2022-03-13 01:55:20 +00:00
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dig_sprite_l:
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.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
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.byte <lemming_dig7_sprite,<lemming_dig8_sprite
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dig_sprite_h:
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.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
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.byte >lemming_dig7_sprite,>lemming_dig8_sprite
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2022-03-13 03:13:05 +00:00
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rwalk_sprite_l:
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.byte <lemming_rwalk1_sprite,<lemming_rwalk2_sprite
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.byte <lemming_rwalk3_sprite,<lemming_rwalk4_sprite
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.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:
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.byte >lemming_rwalk1_sprite,>lemming_rwalk2_sprite
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.byte >lemming_rwalk3_sprite,>lemming_rwalk4_sprite
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.byte >lemming_rwalk5_sprite,>lemming_rwalk6_sprite
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.byte >lemming_rwalk7_sprite,>lemming_rwalk8_sprite
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lwalk_sprite_l:
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.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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lwalk_sprite_h:
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.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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|
2022-03-16 01:00:30 +00:00
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exploding_sprite_l:
|
2022-03-13 05:05:24 +00:00
|
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|
.byte <lemming_explode1_sprite,<lemming_explode1_sprite
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.byte <lemming_explode2_sprite,<lemming_explode3_sprite
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.byte <lemming_explode4_sprite,<lemming_explode5_sprite
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.byte <lemming_explode6_sprite,<lemming_explode7_sprite
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.byte <lemming_explode8_sprite,<lemming_explode7_sprite
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.byte <lemming_explode9_sprite,<lemming_explode8_sprite
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.byte <lemming_explode9_sprite,<lemming_explode8_sprite
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.byte <lemming_explode9_sprite,<lemming_explode8_sprite
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|
2022-03-16 01:00:30 +00:00
|
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|
exploding_sprite_h:
|
2022-03-13 05:05:24 +00:00
|
|
|
.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
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
; 787989898
|
|
|
|
|
; clcrlrlrle
|
|
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|
|
|
2022-03-16 01:00:30 +00:00
|
|
|
countdown_sprites_l:
|
|
|
|
|
.byte <countdown5_sprite,<countdown4_sprite,<countdown3_sprite
|
|
|
|
|
.byte <countdown2_sprite,<countdown1_sprite
|
2022-03-13 05:05:24 +00:00
|
|
|
|
2022-03-16 01:00:30 +00:00
|
|
|
countdown_sprites_h:
|
|
|
|
|
.byte >countdown5_sprite,>countdown4_sprite,>countdown3_sprite
|
|
|
|
|
.byte >countdown2_sprite,>countdown1_sprite
|
2022-03-13 03:13:05 +00:00
|
|
|
|
2022-03-16 01:24:13 +00:00
|
|
|
|
2022-03-16 01:56:47 +00:00
|
|
|
handle_particles:
|
|
|
|
|
jsr hgr_draw_particles
|
|
|
|
|
|
|
|
|
|
lda lemming_frame
|
|
|
|
|
cmp #16
|
|
|
|
|
bne still_going
|
|
|
|
|
|
|
|
|
|
; partway through make lemming not out
|
|
|
|
|
lda #0
|
|
|
|
|
sta lemming_out
|
|
|
|
|
jsr update_lemmings_out
|
|
|
|
|
lda #LEVEL_FAIL
|
|
|
|
|
sta LEVEL_OVER
|
|
|
|
|
|
|
|
|
|
still_going:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
not_done_particle:
|
|
|
|
|
rts
|
|
|
|
|
|
2022-03-16 01:24:13 +00:00
|
|
|
|
|
|
|
|
; moved to make room
|
|
|
|
|
handle_explosion:
|
|
|
|
|
|
|
|
|
|
lda lemming_frame,Y
|
|
|
|
|
cmp #$10
|
|
|
|
|
bcc exploding_animation
|
|
|
|
|
beq draw_explosion
|
|
|
|
|
|
|
|
|
|
start_particles:
|
|
|
|
|
|
2022-03-16 01:56:47 +00:00
|
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lda #0
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sta lemming_frame
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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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ldy #0
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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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lda #LEMMING_PARTICLES
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sta lemming_status
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rts
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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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; line from (x,a) to (x+y,a)
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ldx lemming_x
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dex
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ldy #3
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lda lemming_y
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clc
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adc #10
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jsr hgr_hlin
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; line from (x,a) to (x+y,a)
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ldx lemming_x
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ldy #1
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lda lemming_y
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clc
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adc #11
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jsr hgr_hlin
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jsr hgr_hlin_page_toggle ; toggle to page1
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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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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 draw_common
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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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; jmp draw_common
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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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rts
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