Using pure 6502 assembly language, vince has created a very playable demo version of the game. Your computer uses file associations to determine which software is used to open and view a specific file. Originally designed by steve wozniak, the apple ii series was both one of the first massmarket 8bit microcomputers and the longestlived. Skspritenode spritekit apple developer documentation. Best practices for animating sprites in apple ii assembly. A few of these associated software titles include unknown apple ii file, riscos archimedes sprite format, and acorn bitmap. The apple ii graphics were composed of idiosyncratic modes and settings that could be exploited. Over the coming months, ill research and write about how to interface the f18a with an apple ii, both hardware and software. The apple ii probably had the most hardware devs of any 8bit machine. And, if not, what techniques did or do apple ii assembly language programmers typically use to accomplish animation where sprites move all around the screen, which provide an optimum balance of.
While backwards compatible for running most apple ii games, the apple iigs has a native 16bit mode with support for graphics, sound, and animation capabilities that surpass the abilities of the earlier apple ii. Designed by steve wozniak, the apple ii series was both one of the first massmarket 8bit microcomputers and the longestlived. Apple ii series homebrew software apple ii computers. Lets take a look at the history behind logo and see what it looked like by setting up an. Lynx mega duck msx msx2 ngage nec pc8801 nec pc9801 neo geo pocket odyssey. Apple ii fans will have countless hours of fun with these classic apps. This month on open apple, we sit down with ken gagne and andy molloy of juiced. The resulting floppy disk is then bootableuseable by your apple ii. I wanted to see if myst could be made on an apple ii in lores 40x48 mode. The machine is part of the 16bit home computer gaming revolution of the mid 1980s to early 1990s, competing directly with the amiga and atari st. The graphic modes of the apple ii series were peculiar even by. Commonly, golden orchard apple ii cd rom file files are found on user computers from italy, and on pcs running the windows 10 operating system. I have a apple ii computer complete with apple monitor brown apple bag 2 apple disk drives, software and manuals i am asking 5,000. Aug 31, 2015 in this episode i cover apple ii and atari 2600 graphics modes.
He expressed an interest in writing an entire lores graphics engine and art suite which could create frames and sprites that in turn could then be called from basic at close to assembly language speeds. If youre still having trouble opening your sprite file, a software developer may be able to help. Sep 08, 2015 if youd like a tutorial on software sprite programming, an excellent one ran in creative computing back in 1982 and 1983. The apple ii was the popular darling that truly kicked off the. Where possible, they are divided into categories such as hardware, software, documentation etc. The tms9918abased video boards are often called sprite boards. Vince weaver has created a new version of the game myst. Gs, the longest running continuously published apple ii magazine that you can still get in your mailbox to this day. With support for custom opengl es shaders and lighting, integration with scenekit, and advanced new physics effects and animations, you can add force fields, detect collisions, and generate new lighting effects in your games. The machines exemplified wozniaks design sensibilities of not including hardware when software can perform the same function, and of being wide open for expansion. By contrast, some commercial software programs for the apple ii used this memory space for various purposes usually to display a help screen. This subreddit is discussion and tech support of apple ii hardware, software, and emulators. Creating double hires graphics dhgr image fragments. May 14, 2017 apple ii vs zx spectrum vs commodore 64.
Most c64 software assumed a singledrive machine, even though dualdrive 64s were fairly common. Get the best deals on apple ii vintage home computers and find everything youll need to improve your home office setup at. This graphics system debuted on the original apple ii, continued with the apple ii plus and was carried forward and expanded with the apple iie, enhanced iie, iic, iic plus and ii gs. Video software drivers entertainment software business software desktop enhancements. Apple ii oregon trail the spriters resource wiki sprites models textures sounds login. According to his posting in the apple ii software enthusiasts group. Please contact me if you have any information, documentation, or software related to the apple ii sprite boards. Forward cc65 overview when it comes to writing cc65 programs for the the apple ii, cc65 is a capable and modern c 6502 8 bit crosscompiler. The apple ii dsk format not to be confused with the amstrad dsk cpcemu format is a group of formats reproducing the sector structure of floppy disks for the apple ii series, including apple ii 16 sector disks and apple prodos disks, usually containing files in an apple. A dump and burn tool for apple ii roms and eeproms. Using the jsmess emulator, users can boot up an emulation of the given title and use it in their browser.
The spr file extension is related to the apple ii, a family of 8bit computers based on mos 6502 processor from commodore semiconductor group, designed by steve wozniak from apple computer. For those who have seen the game on other platforms, this version will not disappoint. A graphical file and disk manager with desk accessories for the apple ii line of computers. A collection of apple ii related resources on github.
The goal was to see what the maximum draw rate of a sprite on the apple ii might be, and play with the tradeoffs of size versus speed. Spritekit adds functionality to its ability to display images using the functions discussed below. There isnt much memory on the apple ii for one thing, and the processor is also relatively modest, so performance is always a consideration. How oldschool graphics work, part 2 apple and atari youtube. That issue was resolved to a good extent when i started chatting to sellam abraham on the apple ii facebook group recently. Magic window one of the most popular apple ii word processors by artsci. Open spr file apple ii sprite file extension library. The number one resource on reddit for apple, apple ii, or even apple 2. Since the apple iie reign, for the first time, you have with a pc the multimedia and the professional software together on a single machine. Apple ii super hires sprites and image fragments in cc65. Sep 23, 2008 the cinderella story of id software is matched by few others in the gaming industry. Gs is in its 23rd year, which has to be a record for magazines of almost any type. The apple ii series trademarked with square brackets as apple and rendered on later models as apple is a set of home computers, one of the first highly successful massproduced microcomputer products, designed primarily by steve wozniak, manufactured by apple computer now apple inc.
Since most of the disk iis higherlevel functionality is based in software loaded from the disk itself, this allowed for a large variety of copy protection schemes. Commodore 64 vs apple ii classic computing atariage forums. You dont need to be a c programmer to use bmp2dhrs image fragments in an apple ii dhgr program, but it helps. Virtual apple 2 online disk archive arcade machine. Need to open spr files but dont have unknown apple ii file, neromix, or live for speed single player replay. The supersprite supports super imposingmixing the apple video.
Garry kitchens gamemaker is an integrated development environment for the commodore 64, apple ii, and ibm pcs, created by garry kitchen and released by activision in 1985. This is a simplified arcade machine, in which you and the apple take turns, throwing balls into a box containing colored poles. Its function was to enable sprite rendering on the apple ii like the board youve shared here. But yet the iigs could still run all of the apple ii software without any problems. The spritekit framework makes it easy to create highperformance, batteryefficient 2d games. The tms9918a was used in other apple ii graphics cards. Whereas the c64 and atari and apple ii platforms probably had a similar number of software guys.
This area of the apple ii site is for links on the internet related to all aspects of the apple ii. Although many software packages share certain file types, some file types must be opened in binary format. The created disk does not require the arcade machine engine to. It is one of the earliest allinone game design products aimed at the general consumer, preceded by broderbunds the arcade machine in 1982. Software sprites were used to refer to subroutines that used bit blitting to accomplish the same goal on systems such as the atari st and the apple ii whose graphics hardware had no sprite capability. Actually both systems have enough hooks that you can create and add just about any kind of peripheral you would want, but the apple ii revolutionized the idea of internal expansion slots, allowing you to add all kinds of hardware without increasing your computers footprint. Apple ii disk image collection includes many apple ii utilities including programming, sound, productivity, graphics, games, education, communications, and more. This spr file type entry was marked as obsolete and no longer supported file format. Apple ii vs zx spectrum vs commodore 64 apple ii computers. How has this been a hindrance to saving apple ii software. This latest and greatest computer was as far above the original apple ii technically as the original apple ii was the eniac. Apple ii raspberry pi emulator, with great software collection fully featured apple ii emulator, with great software collection. Merlin assembler macros for apple iigs system software. The apple iie styled as apple e is the third model in the apple ii series of personal computers produced by apple computer.
Learning to program these older machines can be challenging, but. The apple iis lack of dedicated spritehandling hardware often made for. Apple 2 products surplus games, educational programs, word processing, publishing, cables, accessories, etc. We still cant make perfect digital representations of apple ii floppy disks. Ibm didnt want people to think of their computers as toys. Raphael rezende has released a new apple ii game, bagatelle. Using downloaded software the ultimate apple ii resource. The apple iie, two disk drives and a color monitor, are emulated by default.
When i start putting sprites on the screen, its going to be a lot easier having done this project. In the apple ii part of the computer world, the first distribution of software came from home authors. Also known as mousedesk apple or compatible with 128k and double hires graphics. In just a couple years, the independent developer grew from a fourman band to one of the most influential. The whole game isnt implemented, but you can poke around parts of.
Long before python made it easy to start programming, logo was the language of choice to teach programming concepts to kids. Creating double hires graphics dhgr image fragments sprites in bmp2dhr for the apple ii c programmer. Apple decided that a faster 1632bit cpu was good enough and more flexible, plus it saved manufacturing and development costs. The apple iigs was the last in the line of the original apple ii s designed by steve wozniak, the cofounder of apple computers inc. May 05, 2016 the apple ii had a major advantage when it came to roleplaying games, partly because software developers assumed most apple ii owners had two disk drives, and they wrote their games to take advantage of that. I am sure out of that 4365 there are not many left. Among other features, the vdp supported hardware sprites, a feature that allows small images, such as characters in games, to move over background images with minimal work from the cpu. Your score increases each time you hit a post, on your way. There is an link to an decent video on using adtpro made by the author of adtpro that i suggest you take a look at. With the c64 and atari platforms having a little more, i think. The apple iis lack of dedicated spritehandling hardware often made for action games with low frame rates and choppy animation. In contrast, similar functions with the apple ii video hardware alone are tedious, slow, processorintensive, and limit other features possible in the software. A collection of historical software for apple ii computers from the 1980s and early 1990s.
Apple then modified the program and included it with as a rudimentary desktop modeled after the macintosh finder for their first versions of prodos 16 system software for the apple ii gs. A c language programmer can use cc65 to build apple ii programs from the comfort of a modern operating system including mac os x windows users can easily setup cc65 by downloading the latest cc65 windows. Since most of the disk ii s higherlevel functionality is based in software loaded from the disk itself, this allowed for a large variety of copy protection schemes. You could try the supersprite software on this card. Defender of the world dotw is a nintendosega style fast pace actionpacked arcade shootemup exclusively for the apple iigs computer. More recently, sprites are edited or created by fans in a process called spriting. Most of the trouble is trying to get pseudo sprites working from applesoft and dealing with the horrible ntsc artifact issues with the hgr display. These people were usually firsttime computer buyers who were captivated by the excitement of owning their own computer, and then had to sit down to actually find something useful or fun to do with it. Apple iie, iic, iic plus, iigs, iie option card for mac, or laser 128. But there is an extensive and existing gaming library already. Apple os x is the primary software program that utilizes the golden orchard apple ii cd rom file file, originally developed by apple.
After you create your sprites and games, the game can be saved to a self booting disk. The internet archive software library is a large collection of viewable and executable software titles, ranging from commercially released products to public domain and hobbyist programs. David lubar, a developer of several games on apple and atari platforms, wrote a series of articles called the graph paper about programming arcade games on the apple ii including software sprites. If you know which software program should open your file, contact the developer who created that program. Amiga amstrad cpc atari st commodore 64 pc88 zx spectrum game description. Aliens have invaded your beloved homeland, and you must help save it. This video shows you how to connect your apple ii to a pc using a serial cable and how to bootstrap the apple ii using adtpro. We tried to give a count of how many apps were included and gave up at over 5,000. By 1991, this had become more of a limitation for those who wish to use both msdos and apple ii software on the same apple ii computer, since advanced software needing those more powerful processors was being released for msdos. This allowed computers such as the atari 800 and the commodore 64 to have fastmoving, arcadestyle graphics in their games. However incomplete the current version is, it does show great potential for a completed product. Microsci gameport iii apple ii emulation modification utility disk.
There was a ti99 addon a couple years ago that was repurposed for the apple ii via an open hardware board called the appleti board. Most of the machines that supported sprites were for homegames atari, amiga, etc. Micro sd card image with apple ii emulator and software. Sksprite node is an onscreen graphical element that can be initialized from an image or a solid color. The apple ii graphics were composed of idiosyncratic modes and settings that could be. Most kids in the 80s encountered it on their schools apple ii and spent countless hours using logo drawing functions to move a cursor which logo calls a turtle around the screen. With the release of the ii gs, it became possible for better gui software to be produced. It had hardware sprites which meant you could move objects around the screen without having to constantly redraw what is. The e in the name stands for enhanced, referring to the fact that several popular features were now builtin that were formerly only. However, the apple ii does not have sprites, and this means that if you want fastmoving games you need to program them in machine assembly language. Skyfox is complete with deflection shields, laser cannons, five guided and five heatseeking missiles and a top speed of mach iv.
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