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datafry

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  • Location
    Walnut Creek, CA
  • Interests
    Classic Games

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Space Invader

Space Invader (2/9)

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  1. Skiing ( 9 B/B ) 1:24.10 Winter Games Slalom 0:53.5
  2. Wow Thanks for the release, I really enjoy this!!
  3. I think the Frustration is what keeps me going on that game.
  4. I think I posted my last responce a little early.. This is drawn out a little with NOP's but it helped me just visualize this a tad better.. Am I counting this correctly? ;------------------------------------------------ ; Do 192 scanlines of colour-changing (our picture) MainScreen ldx #0 ;+3 lda #%1111 ;(3)+3 sta PF0 ;(6)+3 lda #%11111111 ;(9)+3 sta PF1 ;(12)+3 lda #%11111111 ;(15)+3 sta PF2 ;(18)+3=21 cycles so far? or 63 TIA clocks NOP ;(21)+2 = 23 I am hoping it should be safe to redraw PF0 now at 69 tia clocks lda #%0000 ;(23)+3 ok at 26 have some buffer now at 78 tia clocks sta PF0 ;(26)+3 ok 29 (87 on TIA) need to burn some time NOP ;(29)+2 NOP ;(31)+2 NOP ;(33)+2 NOP ;(35)+2 NOP ;(37)+2 should be about 117 TIA CLOCK lda #%00000000 ;(39)+3 sta PF1 ;(42)+3 NOP ;(45)+2 NOP ;(47)+2 NOP ;(49)+2 should be at 153 TIA CLOCK lda #%00000000 sta PF2 sta WSYNC Thx PS format broke alittle
  5. I've been following along quite well and understand a hell of alot more then I did before these sessions. *Thx Andrew*. But I am having a problem at this point. I can't seem to get the timing down.. I understand all of it, when to start writing to the other playfields and what not. But I don't know exactly where (in my code) to write it. Thx in advanced you can either post here or take it off line and email me at datafry@yahoo.com --DF Keep up the good work Andrew, I haven't found something as addicting and fun like this since Doom!
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