A82: Re: Blockbuster v4.0

To: assembly-82@lists.ticalc.org
Subject: A82: Re: Blockbuster v4.0
From: "Doug Torrance" <profzoom@hotmail.com>
Date: Sun, 14 Nov 1999 17:20:27 PST
Reply-To: assembly-82@lists.ticalc.org


Hi!  Thanks for your input on Blockbuster!  Sam, with the new title picture 
routine, I've trimmed the size down to 1701 K!  Thanks!  Kouri, for some 
reason, the code you gave doesn't work properly.  It sure seems like it 
should work (I'd actually tried optimizing the same section of the game 
myself using a similar routine, but gave up and used the old one because it 
just didn't seem to work any other way!)  It turns the contrast up quite a 
bit, screws up just a few of the sprites, and really messes up the game.  
Anyone know what's going on?  Here's the code-

DrawRowOfBlocks:
ld a,(hl)
ld b,8
push af
DrawRowLoop:
pop af
rra
push af
jr c,DrawBlock
NoBlock:
ld a,d
add a,8
ld d,a
jr DrawRowLoop
DrawBlock:
push bc
push hl
ld hl,Block
call ZoomSprite
pop hl
pop bc
djnz DrawRowLoop
pop af
inc hl
ld d,b
inc e
ld a,e
cp 12
jr nz,DrawRowOfBlocks


Thanks again!
Doug

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Follow-Ups:

A82: Re: Re: Blockbuster v4.0

From: "Kouri" <Kouri@ucdavis.edu>