mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-06-25 09:29:35 +00:00
121 lines
1.9 KiB
ArmAsm
121 lines
1.9 KiB
ArmAsm
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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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sta SAVED_Y1
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clc
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adc #8
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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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draw_lemming:
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ldy #0
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lda lemming_out,Y
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beq done_draw_lemming
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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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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
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sta INL
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lda rfall_sprite_h,X
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draw_falling_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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; 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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sta YPOS
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jsr hgr_draw_sprite
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done_draw_lemming:
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rts
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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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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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