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sb: can activate shield

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This commit is contained in:
Vince Weaver 2023-06-04 00:46:01 -04:00
parent ce03614991
commit 0ce69e9a12
4 changed files with 40 additions and 5 deletions
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33
games/sb/asplode.s
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@ -101,6 +101,9 @@ load_background:
lda #1
sta STRONGBAD_DIR
lda #SHIELD_DOWN
sta SHIELD_POSITION
;==========================
; main loop
;===========================
@ -126,7 +129,7 @@ done_flip:
sta DRAW_PAGE
;========================
; copy over backgrund
; copy over background
;========================
jsr hgr_copy
@ -182,9 +185,10 @@ no_move_head:
; draw player
;===========================
lda #<player_sprite
ldx SHIELD_POSITION
lda shield_sprites_l,X
sta INL
lda #>player_sprite
lda shield_sprites_h,X
sta INH
lda PLAYER_X
sta SPRITE_X
@ -209,8 +213,11 @@ check_keypress:
beq done_game
cmp #'A' ; shield left
beq shield_left
cmp #'S' ; shield center
beq shield_center
cmp #'D' ; shield right
beq shield_right
cmp #8 ; left
beq move_left
@ -231,12 +238,23 @@ no_more_left:
move_right:
lda PLAYER_X
cmp #29 ; bge
cmp #28 ; bge
bcs no_more_right
inc PLAYER_X
no_more_right:
jmp main_loop
shield_left:
lda #SHIELD_UP_LEFT
bne adjust_shield
shield_center:
lda #SHIELD_UP_CENTER
bne adjust_shield
shield_right:
lda #SHIELD_UP_RIGHT
adjust_shield:
sta SHIELD_POSITION
jmp main_loop
@ -273,3 +291,10 @@ comp_data:
.incbin "asplode_graphics/sb_zone.hgr.zx02"
shield_sprites_l:
.byte <player_sprite,<shield_left_sprite
.byte <shield_center_sprite,<shield_right_sprite
shield_sprites_h:
.byte >player_sprite,>shield_left_sprite
.byte >shield_center_sprite,>shield_right_sprite

7
games/sb/asplode_graphics/Makefile
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@ -33,7 +33,12 @@ sb_title.hgr: sb_title.png
sb_sprites.inc: sb_sprites.png
$(HGR_SPRITE) -s -l head_sprite sb_sprites.png 84 36 132 92 > sb_sprites.inc
$(HGR_SPRITE) -s -l player_sprite sb_sprites.png 112 138 167 192 >> sb_sprites.inc
$(HGR_SPRITE) -s -l player_sprite sb_sprites.png 98 138 181 192 >> sb_sprites.inc
$(HGR_SPRITE) -s -l shield_left_sprite sb_sprites.png 0 138 83 192 >> sb_sprites.inc
$(HGR_SPRITE) -s -l shield_center_sprite sb_sprites.png 196 83 279 137 >> sb_sprites.inc
$(HGR_SPRITE) -s -l shield_right_sprite sb_sprites.png 196 138 279 192 >> sb_sprites.inc

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games/sb/asplode_graphics/sb_sprites.png
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5
games/sb/zp.inc
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@ -65,6 +65,11 @@ NOT_FIRST_TIME = $6A
STRONGBAD_X = $6B
PLAYER_X = $6C
STRONGBAD_DIR = $6D
SHIELD_POSITION = $6E
SHIELD_DOWN = 0
SHIELD_UP_LEFT = 1
SHIELD_UP_CENTER = 2
SHIELD_UP_RIGHT = 3
.if 0
REGISTER_DUMP = $70