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sprites: move asteroid

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too fast!!!
This commit is contained in:
Vince Weaver 2019-06-13 12:38:04 -04:00
parent 16ab5c75c2
commit ca304be08f
1 changed files with 25 additions and 3 deletions
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28
interlace_demo/sprites.s
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@ -240,6 +240,7 @@ display_loop:
;-1821 -- draw ship (130*14)+1 ;-1821 -- draw ship (130*14)+1
; -829 -- erase ship (100*8)+(14*2)+1 ; -829 -- erase ship (100*8)+(14*2)+1
; -167 -- erase fire ; -167 -- erase fire
; -337 -- erase asteroid
; -31 -- move ship ; -31 -- move ship
; -17 -- move fire ; -17 -- move fire
; -36 -- move asteroid ; -36 -- move asteroid
@ -313,6 +314,26 @@ display_loop:
;=====================
; erase the asteroid
lda #$0 ; 2
sta DRAW_PAGE ; 3
lda #<void_p1 ; 2
sta INL ; 3
lda #>void_p1 ; 2
sta INH ; 3
lda ASTEROID_X ; 3
sta SPRITE_XPOS ; 3
lda ASTEROID_Y ; 3
sta SPRITE_YPOS ; 3
jsr put_sprite ; 6+304
;======
; 337
;========================== ;==========================
; move/collide the asteroid ; move/collide the asteroid
;========================== ;==========================
@ -682,12 +703,13 @@ pad_time:
wait_loop: wait_loop:
; Try X=153 Y=1 cycles=772R2 ; Try X=5 Y=14 cycles=435 R2
nop nop
; nop ; nop
ldy #1 ; 2 ldy #14 ; 2
loop1: ldx #153 ; 2 loop1: ldx #5 ; 2
loop2: dex ; 2 loop2: dex ; 2
bne loop2 ; 2nt/3 bne loop2 ; 2nt/3
dey ; 2 dey ; 2