... Sure. I'm not done with the tape yet...not by half. :( But it was slow at work so i cobbled together the 4 way scrolling demo. I'll be uploading it...
1503
ballyalley@yahoogroup...
Oct 22, 2003 11:48 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the ballyalley group. File : /Cartridge...
1504
Adam Trionfo
atrionfo
Oct 23, 2003 10:21 pm
I was wondering if there is a sort of Math for Dummies book or online help that would cover most or all of the common math stuff that you would encounter while...
1505
Russ Perry Jr
slapdash26
Oct 23, 2003 11:09 pm
... Dunno about that, but you might actually look into an online physics tutorial, as a lot of what I could foresee you needing would come out of that. Of...
1506
Lance F. Squire
glankonian
Oct 24, 2003 1:45 am
... It really comes down to, What are you doing that needs the math? The Z80 only does ADD and SUB. Plus x2 and /2 using shift Left (SLA) and shift right...
1507
mc71de
Oct 24, 2003 2:31 am
Hi all :-) ... Usually, any machine language book would do. Such as http://atariarchives.org/mlb/ for the 8-bit ATARI (which, of course, has another type of...
1508
Adam Trionfo
atrionfo
Oct 24, 2003 8:44 pm
There is nothing specific math-wise that I'm asking about-- it was just a general question. However, if I'm being pressed for an answer I've never moved a...
1509
Lance F. Squire
glankonian
Oct 25, 2003 3:51 am
... It depends, In most shooters the enemys move along pre programed paths, usually using a sin table, rather than computing the values, or alternatly, moving...
1510
Adam Trionfo
atrionfo
Oct 25, 2003 6:19 am
I've finished scanning in the source code for Astro BASIC. Thanks to Lance for providing the space for the document. Anyone can access them now at: ...
1511
Alex Plantema
aplantema
Oct 25, 2003 8:38 am
... From: Adam Trionfo <ballyalley@...> Date: vrijdag 24 oktober 2003 00:21 ... At school we learned to calculate mathematical functions with an...
1512
mc71de
Oct 25, 2003 10:56 am
Hi Adam, ... Thank you and Lance; i'll take the challange to get that into the original source file :-) BTW, the symbol table (and some comment lines) are not...
1513
Adam Trionfo
atrionfo
Oct 25, 2003 7:45 pm
... Thank you and Lance; i'll take the challange to get that into the original source file :-) ... Well, first look it over and see how close it is to Astro...
1514
Adam Trionfo
atrionfo
Oct 25, 2003 7:52 pm
... I found a lot of useful approximation formulas in Computer approximations, by J.F. Hart, 1968, reprinted in 1978. It's the only book about this topic as...
1515
mc71de
Oct 25, 2003 11:58 pm
Hi Adam, ... *cough*... i think you pay the myth, not the content. I must admit i have never thought about what math is needed within video game programming....
1516
mc71de
Oct 26, 2003 12:40 am
Hi Adam, ... At a quick glance, and if i got my statistics right, there should be a probability of less than 5% to find any differences to the version of...
1517
Adam Trionfo
atrionfo
Oct 26, 2003 4:53 am
... Sprite movement, for example, is usually done at a 'move one pixel across and two down' basis. No, one cannot get all directions that way- but video games...
1518
Adam Trionfo
atrionfo
Oct 26, 2003 5:06 am
... It seems to have some quirks- i somewhat like the idea to have a 'facsimile' or resaturated version of the original file that was printed out back then...
1519
Adam Trionfo
atrionfo
Oct 26, 2003 5:31 am
@Lance: I got to finally take a look at your newest update. It looks good- scrolling in all directions... yea, baby! @All: Everyone, if you haven't taken a...
1520
mc71de
Oct 26, 2003 5:33 pm
Hi Adam, ... I think there is something like a 'library cp/m emulator'- much like modern programs come with library (.dll in WinDoze) files, you copy your old...
1521
Lance F. Squire
glankonian
Oct 26, 2003 5:39 pm
... Of course the cpu knows exactly where you are at all times! It has to draw your avatar after all. The Galaxians actually 'hunt' for you. If you are left of...
1522
Adam Trionfo
atrionfo
Oct 26, 2003 7:25 pm
... Of course the cpu knows exactly where you are at all times! It has to draw your avatar after all. ... Yes... I know. That's how I know that the computer...
1523
Adam Trionfo
atrionfo
Oct 26, 2003 8:20 pm
... But for really understanding what's going on, and maybe modifying things, i would make a version in Z80 mnemonics, too. ... Excellent! That's the way to...
1524
Adam Trionfo
atrionfo
Oct 26, 2003 8:26 pm
... B.T.W. I'm playing with 'Easy Astrobasic 3-voice music' program from the last tape Mike sent me. Its Not very easy to figure out and use. ... There are...
1525
Adam Trionfo
atrionfo
Oct 26, 2003 8:28 pm
Mike White suggests these tutorials: 1) Joystick Manipulation (ROM Routine $7E) 2) Timer Routine (NOT interrupts) 3) Vector Animator (Lance, how 'bout it?) 4)...
1526
Adam Trionfo
atrionfo
Oct 26, 2003 8:31 pm
Mike White is working (in some fashion) on these tutorials: 1) How to make a BASICart 2) How to use Repack 3) Bankswitching 4) How to use homemade characters...
1527
Adam Trionfo
atrionfo
Oct 26, 2003 8:57 pm
I retyped the comments from page 27. Now we just have to type the rest of 'em. No problem... right? Here's where I put the file (now THIS is a LONG URL): ...
1528
mc71de
Oct 26, 2003 11:49 pm
Hi Adam, ... Excellent! Just copied it into my 'work in progress' :-) ... Hehehe... ;-))) ... BAYpGQbQ_pk7k_uJmnLTY8C9bT1Y3E- ...
1529
Lance F. Squire
glankonian
Oct 27, 2003 4:44 am
... Depends on how busy I am this week. The next parts to BalZerk will be using 1 and 3. So, I'll try to do a tutorial at the same time... I conceptualy...
1530
Adam Trionfo
atrionfo
Oct 27, 2003 4:32 pm
... Could you please test out JTron too while you are at it, to make sure it works. Thanks. ... I looked around in the message board file area but didn't find...
1531
Adam Trionfo
atrionfo
Oct 27, 2003 4:37 pm
... I looked around in the message board file area but didn't find "JTron." You'll need to email it to me (or point me to where it is). ... Oops! This was...
