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keen: can bonk head again

This commit is contained in:
Vince Weaver 2024-04-05 15:32:13 -04:00
parent 38ded8a67c
commit d20c367e94
1 changed files with 21 additions and 4 deletions
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25
games/keen/move_keen.s
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@ -20,7 +20,7 @@ move_keen:
jsr check_falling ; check for/handle falling
; jsr keen_collide ; check for right/left collision
jsr keen_collide ; check for right/left collision
jsr handle_jumping ; handle jumping
@ -168,7 +168,7 @@ keen_collide:
;==================
keen_check_items:
jsr check_items
; jsr check_items
;===================
; collide with head
@ -182,12 +182,27 @@ keen_check_head:
; check if left side of head hit hard tile
lda KEEN_HEAD_TILE1
sec
lda KEEN_TILEY
sbc #1
adc #>big_tilemap
sta INH
lda #0
sta INL
ldy KEEN_TILEX
bne collide_head_r
collide_head_l:
lda (INL),Y
; if tile# < ALLHARD_TILES then we are fine
cmp #ALLHARD_TILES
bcc collide_left_right ; blt
lda KEEN_HEAD_TILE2
collide_head_r:
iny
lda (INL),Y
; if tile# < ALLHARD_TILES then we are fine
cmp #ALLHARD_TILES
bcc collide_left_right ; blt
@ -203,6 +218,8 @@ keen_check_head:
; jsr head_noise
collide_left_right:
rts
;===================
; collide left/right
;===================