hed to the AppleII keyboard above the top row and could be programmed to generate series of keypresses. ... the game paddles or a joystick is one method that could be used, but there is some difficulty in getting ... ing to the tablet, and appropriate software, this could be used to draw pictures on the AppleII hi-res sc... k. Using a finger or the supplied stylus, a user could draw on the pad and produce pictures on the hi-re
n Harris wanted to write games for the Atari, but could not get the company to release any information on... me had a better grasp of how they worked and what could be done to work around problems, the store owners... ges, manuals, etc.), all listed in a catalog that could be used by dealers for orders. Apple Writer was ... in both the Monitor and in Integer BASIC. These could be used as building blocks to create more complic
ad two connectors, one for each DiskII drive that could be connected. The problem was the in the design ... se. The DiskIIc was specific to the AppleIIc and could not be used with any older version AppleII, since... drive to be "daisy-chained" to another (one disk could plug into the back of another, forming a "chain")... ger capacity "hard" or fixed disks, which usually could not be removed). The newer 3.5 inch disks are al
ade to this new higher speed standard (16.8kbs). Could you provide a few
details about this new standard... UPPORT
Subj: HST DS > 16.8K
I was wondering if I could get an answer to the message that I posted
yester... ..if you find any info on a upgrade or anything...could you please drop
my a line...thanx..
------------... . Hey when they were the only game in
town they could get away with it, now there are other cheaper opt
me-travelling adventures: The future. Although I could create any future I wish to in my own fertile ima... ot at all; but it does highlight one problem that could not be quickly overcome at the time, and that is ... ikely did not read), as well as for problems that could not be anticipated in advance. And as more compu... omputers had these same problems. Although Apple could well have done things better, the help provided b
had a modified ROM, and certain ESC key sequences could generate the German umlaut symbol to go with cert... e switch, but had a place on the motherboard that could be modified to allow a Dvorak keyboard layout to ... ith the switch up, and had regional versions that could be swapped in with the switch down. The British ... omputer that makes it possible to do more than it could previously do." It is called a "peripheral" beca
of a larger memory area called a "desktop", which could hold data for up to twelve different files at the... ructures. Apple Pie files created on an Apple II could be used on an Apple III, and vice-versa.
App... t it would run on a computer whose microprocessor could address only 64K of memory at one time, the power... o format disks on that device. Previous versions could load files from 3.5 disks only by specifying the
e it was interactive. You entered a command, and could immediately try it out. The disadvantage was a lack of more powerful commands, and it could be difficult to create large and complex programs... more comprehensive language for the II, one that could be updated and modified if necessary. Since Appl... use of the extra available RAM, the Pascal system could load into memory without having to avoid the spac
ason that color was added in first--so that games could be programmed. I sat down one night and tried to... t he would want to own. Since the 6502 processor could address a total of 64K of memory, he designed the... pleII's came standard with 4K of memory, and more could be added, to a maximum of 12K (if using the 4K ch... ition of the APPLE II REFERENCE MANUAL, the Apple could have memory in the following sizes: 4K, 8K, 12K,
standardize the modified DOS so that the programs could be used with RAM disks, large floppies, and hard ... a technical publication for the AppleII that also could be helpful for the beginning user. In January 19... Discussion" part of Softalk magazine. New users could ask "how do I get XYZ program to run with my ABC printer?", and experienced users could help them, either online or in a letter written t
ting those graphics, something that Integer BASIC could only do via special CALLs to the routines in the ... had learned that by making a simple alteration he could get two more colors (blue and orange) and two mor... e), and a "Warm Start" RESET. A Warm Start RESET could occur without re-booting the Disk II (if it was p... d by writers of copy protected software, so users could not modify or copy the code in memory simply by p
acterized all the other II's. Like Macintosh, it could be taken out of the box, plugged in, and put to w... IIc. A special chip containing the keyboard map could easily be changed depending on the country where ... l low power drive did. The only explanation they could come up with was that the normal power drive gene... ch ran cooler and had 27 additional commands that could be used by assembly language programs, Apple's pr
ry at one time. (As an 8-bit processor, the 6502 could handle only 8 bits, or one byte at a time. Howev... address far more than 64K of memory. The AppleII could make use of more memory only through complicated ... rily made it impossible to form new memories. He could not recall that he had an accident; he did not re... was code-named "IIx". When he saw what the 65816 could do, he became excited about the potential of the
ecially those who wanted to produce programs that could be used in business applications, wanted somethin... pplesoft (which later became known as ApplesoftI) could be frustrating. It took several minutes to load ... Applesoft program, the program that was being run could be wiped out, and the Applesoft interpreter itsel... s coordinates only between 0 and 39, or a program could "self-destruct". Apparently it lacked the error
turned his attention to designing the computer he could run it on. Except for some small timing differen... the computer was turned on. This monitor program could not do much more than allow entry of hex bytes, e... dards, but an advancement over the teletypes that could only type 10 characters per second. The computer had 8K of dynamic RAM. You could load BASIC into 4K of memory and have 4K left ove