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Star Wars (Versions 1977 and 1981)   [2017]

Star Wars (Versions 1977 and 1981) Released by :
Jim_64

Release Date :
10 December 2017

Type :
C64 Game

User rating:awaiting 8 votes (7 left)   See votestatistics

Credits :
Code .... Jim_64 of The Collective
Music .... Nico Clone of The Collective
Graphics .... Jim_64 of The Collective
Design .... Jim_64 of The Collective
Idea .... Jim_64 of The Collective
Charset .... Jim_64 of The Collective


SIDs used in this release :
1984(/MUSICIANS/N/Nico_Clone/1984.sid)

Download :

Look for downloads on external sites:
 Pokefinder.org


Summary
Submitted by jim_64 on 10 December 2017
Star Wars

Game by Jim_64
Music (1981 version) by Nico

This is my first assembly program and second computer game ever. This was an unfulfilled goal of my youth, to make a video game using my favorite computer based on my favorite movie! Mostly it was a platform to learn assembly.
I purposely kept this project very simple to focus on learning assembly coding.

Restrictions (original version 1977)
- All moving objects are sprites
- 8 sprites maximum (no multiplexing)
- No interrupts, simply wait for $D012 to equal $FB before doing vblank stuff
- No word length variables, just byte length
- Cut x resolution in half by making a rule that all sprites move at least two pixels horizontally. this allowed the full screen width to be represented by one byte and made comparisons between ships x positions easy.
- Simple sounds
- Tuned for ntsc with no adjustment for pal

The code for 1977 version was completed in June of 2017 but never released. At that time, I quickly moved onto my next project (vr64 and street defender). I recently revisited this Star Wars game. the Tie fighter variables and the attack wave were updated in November 2017. in December 2017, I added music by Nico and called it the 1981 version. The thought is, I can follow George and keep experimenting with up to nine versions! :)

Version history should follow....
1977 Star Wars
1981 Star Wars - a new hope
1985 Star Wars - VHS release
1993 Star Wars - Laser disk, now 3% faster!
1997 Star Wars - Han shot second (praxis effect on death star)
2004 Star Wars - DVD (color swaps)
2006 Star Wars - DVD
2011 Star Wars - Blue ray - Han shot at same time
2015 Star Wars - Digital streaming version

A special thanks to all those who helped me get over the "hump" and learn assembler. I want to especially thank all those that helped me on my "first ml game attempt - questions!" thread on lemon64. http://www.lemon64.com/forum/viewtopic.php?p=767732#767732

Jim
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CSDb (Commodore 64 Scene Database) is a website which goal is to gather as much information and material about the scene around the commodore 64 computer - the worlds most popular home computer throughout time. Here you can find almost anything which was ever made for the commodore 64, and more is being added every day. As this website is scene related, you can mostly find demos, music and graphics made by the people who made the scene (the sceners), but you can also find a lot of the old classic games here. Try out the search box in the top right corner, or check out the CSDb main page for the latest additions.
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