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lemm: animate falling

This commit is contained in:
Vince Weaver 2022-03-12 18:03:53 -05:00
parent 436ee2f087
commit ba51967e28
5 changed files with 56 additions and 5 deletions
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2
games/lemm/Makefile
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@ -38,7 +38,7 @@ LEMM: lemm.o
ld65 -o LEMM lemm.o -C ../../linker_scripts/apple2_6000.inc
lemm.o: lemm.s zp.inc hardware.inc \
graphics/graphics_test.inc \
graphics/graphics_test.inc graphics/sprites.inc \
intro_level1.s update_time.s hgr_sprite.s draw_flames.s \
draw_door.s move_lemming.s draw_lemming.s \
interrupt_handler.s keyboard.s \

39
games/lemm/draw_lemming.s
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@ -26,9 +26,28 @@ draw_lemming:
lda lemming_out,Y
beq done_draw_lemming
lda #<lemming_fall1_sprite
draw_falling_sprite:
lda lemming_frame,Y
and #$3
tax
lda lemming_direction,Y
bpl draw_falling_right
draw_falling_left:
lda lfall_sprite_l,X
sta INL
lda #>lemming_fall1_sprite
lda lfall_sprite_h,X
jmp draw_falling_common
draw_falling_right:
lda rfall_sprite_l,X
sta INL
lda rfall_sprite_h,X
draw_falling_common:
sta INH
ldx lemming_x,Y
@ -41,3 +60,19 @@ draw_lemming:
done_draw_lemming:
rts
lfall_sprite_l:
.byte <lemming_lfall1_sprite,<lemming_lfall2_sprite
.byte <lemming_lfall3_sprite,<lemming_lfall4_sprite
lfall_sprite_h:
.byte >lemming_lfall1_sprite,>lemming_lfall2_sprite
.byte >lemming_lfall3_sprite,>lemming_lfall4_sprite
rfall_sprite_l:
.byte <lemming_rfall1_sprite,<lemming_rfall2_sprite
.byte <lemming_rfall3_sprite,<lemming_rfall4_sprite
rfall_sprite_h:
.byte >lemming_rfall1_sprite,>lemming_rfall2_sprite
.byte >lemming_rfall3_sprite,>lemming_rfall4_sprite

11
games/lemm/graphics/Makefile
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@ -49,7 +49,16 @@ sprites.inc: sprites.png
$(HGR_SPRITE) -s -l door2_sprite sprites.png 7 76 55 91 >> sprites.inc
$(HGR_SPRITE) -s -l door3_sprite sprites.png 7 98 55 114 >> sprites.inc
$(HGR_SPRITE) -s -l door4_sprite sprites.png 7 118 55 137 >> sprites.inc
$(HGR_SPRITE) -s -l lemming_fall1_sprite sprites.png 56 32 62 41 >> sprites.inc
$(HGR_SPRITE) -s -l lemming_rfall1_sprite sprites.png 14 161 20 170 >> sprites.inc
$(HGR_SPRITE) -s -l lemming_rfall2_sprite sprites.png 28 161 34 170 >> sprites.inc
$(HGR_SPRITE) -s -l lemming_rfall3_sprite sprites.png 42 161 48 170 >> sprites.inc
$(HGR_SPRITE) -s -l lemming_rfall4_sprite sprites.png 56 161 62 170 >> sprites.inc
$(HGR_SPRITE) -s -l lemming_lfall1_sprite sprites.png 70 161 76 170 >> sprites.inc
$(HGR_SPRITE) -s -l lemming_lfall2_sprite sprites.png 84 161 90 170 >> sprites.inc
$(HGR_SPRITE) -s -l lemming_lfall3_sprite sprites.png 98 161 104 170 >> sprites.inc
$(HGR_SPRITE) -s -l lemming_lfall4_sprite sprites.png 112 161 118 170 >> sprites.inc

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games/lemm/graphics/sprites.png
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9
games/lemm/move_lemming.s
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@ -8,7 +8,12 @@ move_lemmings:
jmp done_checking_lemming
really_move_lemming:
lda lemming_status
; bump frame
tya
tax
inc lemming_frame,X ; only can inc with X
lda lemming_status,Y
cmp #LEMMING_FALLING
beq do_lemming_falling
cmp #LEMMING_WALKING
@ -149,6 +154,8 @@ lemming_y:
lemming_out:
.byte $0
lemming_frame:
.byte 0
LEMMING_FALLING = 1
LEMMING_WALKING = 2