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Questions tagged [apple]

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What was "Mac SLM" or "ASLM"?

While looking through a very old codebase, I found some preprocessor defines and comments referring to something called "Mac SLM" or "ASLM". From the context, it appears to have ...
Mark's user avatar
  • 8,637
5 votes
1 answer
243 views

Getting garbled text when using ADTPro with Apple IIc and serial connection

I am currently having issues while trying to use ADTPro to connect to my Apple IIc and was wondering whether anyone could help me. I am using this serial connection kit and trying to bootstrap from ...
Idrees's user avatar
  • 91
14 votes
5 answers
10k views

Is there a reason why Apple servers did not catch on?

Is there a reason why Apple server technologies like Apple Workgroup Server and the Apple Network Server never gained widespread use and popularity?
Neil Meyer's user avatar
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-5 votes
1 answer
172 views

Who was responsible for the Apple business practice of taking back old hardware when selling the new stuff?

I have been told and I have read that old Apple computers like the Lisa are pretty hard to come by. The Lisa was a bit over-priced, had limited software and just was generally outclassed by the ...
Neil Meyer's user avatar
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0 votes
1 answer
212 views

Apple II color monitor displays everything in green

I have an AppleColor composite monitor (A2M6020) that only shows green-scale. The color toggle switch on the front doesn’t change anything. I have plugged the monitor into multiple devices with the ...
help's user avatar
  • 39
4 votes
1 answer
142 views

Mac Plus refusing to read disks

OK, so I was gifted a Mac Plus a couple weeks ago, and finally got it up and running a couple days ago (had to wait for mouse and a couple lots of disks for it to arrive, since it came as just the Mac ...
Kaji's user avatar
  • 143
13 votes
1 answer
567 views

Error in Apple I manual's Wozmon listing or Hardware description?

The Apple I Operation Manual includes a full listing of Steve Wozniak's amazing 256 byte 6502 Hex Monitor, aka Wozmon, as well as some explanation of how to interact with the Apple I hardware. My ...
Jason Clark's user avatar
24 votes
1 answer
1k views

ImageWriter II occasionally prints hex dumps

I have an Apple ImageWriter II that I'm controlling directly over a serial port (Node.JS + serialport, Windows 10). Generally speaking, it works fine. However, occasionally instead of printing text / ...
Jason C's user avatar
  • 581
12 votes
1 answer
264 views

Layout of pre-APM Apple partition map

Page 3-25 of Inside Macintosh: Devices describes the format of a partition map entry. The definition of the pmSig field says: The partition signature. This field should contain the value of the ...
fadden's user avatar
  • 9,060
1 vote
1 answer
186 views

Laser fd-100 Stepper motor vibrates

I have a Laser FD-100 that doesn’t work. the stepper motor just vibrates instead of moves. I took it out and greased it and still nothing. There are 3 pins on the board that look broken. What are they ...
help's user avatar
  • 39
2 votes
1 answer
400 views

Why this Powerbook 520C has strange old colors lcd?

From the movie "Hitman's run" of 1999 the LCD of this PowerBook 520c of 1994 remind me the old lcd screens of the first 80's (calculators, old portable console, etc) searching on the net I ...
elbarna's user avatar
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0 votes
1 answer
293 views

Apple II mixed mode cursor placement

I've been playing on my recently resurrected Apple IIs, a //e, IIc, and IIgs (mostly the //e), tinkering with assembly. I'm reading the paddles and plotting a colored block on the screen, kind of an ...
mswade's user avatar
  • 93
5 votes
3 answers
337 views

What changes needed to be made to the Apple Desktop Bus to make it hot-swappable?

I recently came across a note in some hardware from late 80's that used an integrated Apple II something with ADB keyboard. It had a note that on that model, the keyboard was hot swappable along with ...
b degnan's user avatar
  • 1,099
12 votes
1 answer
824 views

What publication published an early version of the Apple Monitor by Woz?

This is driving me nuts. I am certain I have a downloaded scan of the source code to the 6502 ML monitor Woz wrote, but pre-dating Apple's use of the monitor. I even remember there was some text ...
Geo...'s user avatar
  • 10.2k
10 votes
2 answers
691 views

How did Apple IIc daughtercard expansions work?

I've been doing a lot of reading about the ways Apple IIc owners expanded their machines in the absence of the IIe's slots, and it's very intriguing stuff. The ones that I'm most curious about are the ...
Caden Snyder's user avatar
16 votes
5 answers
6k views

What is the source of the Apple logo?

What is the source of the Apple logo? I heard that it was a reference to Alan Turing, who died of cyanide poisoning after eating an apple.
Neil Meyer's user avatar
  • 6,869
12 votes
2 answers
828 views

According to Steve Jobs in 1981, what computer privacy issue was "very very hot in the media" at that time?

In an 1981 interview with Steve Jobs, he says the following: There is a common conception that people have of computers which is more along the lines of "1984"; very large, very centralized ...
StayOnTarget's user avatar
  • 3,856
4 votes
1 answer
790 views

How did Woz get the Apple 1 monitor program into ROM?

Unlike the Apple ][, the Apple 1 never had BASIC in ROM. The Apple 1 booted into a monitor program, which enabled the user to type in machine code for a program (as Steve Wozniak often did), or load ...
DrSheldon's user avatar
  • 16.3k
5 votes
1 answer
401 views

Multi-GPU PowerMac G5?

I’ve got a 2005 PowerMac G5, Dual 2.3 GHz with a stock Nvidia GeForce 6600 running OSX 10.4 Tiger that I enjoy experimenting with, purely for fun and to learn writing legacy software in XCode. Would ...
Gerard de Jong's user avatar
7 votes
1 answer
462 views

What were the modifications on the Apple 1 board that would have made it 6800 compatible?

The Apple-1 motherboard was designed in such a way as to make it possible for the hobbyist to remove the 6502 processor and use a Motorola 6800 as the CPU instead. This was not a trivial operation, as ...
DrSheldon's user avatar
  • 16.3k
45 votes
4 answers
8k views

How did Woz write the Apple 1 BASIC before building the computer?

According to his 1984 interview with Byte magazine, Steve Wozniak created the BASIC for the Apple 1 computer before he actually built the computer: I sat down and wrote the BASIC first, and that took ...
DrSheldon's user avatar
  • 16.3k
2 votes
0 answers
183 views

Apple II DMA daisy chain also used to arbitrate /INH?

On the Apple II series of computers, peripheral cards contend for bus mastership through a priority daisy-chain system. A peripheral card is only allowed to perform DMA if its DMA_IN line is at logic ...
Zane Kaminski's user avatar
4 votes
1 answer
466 views

Reviving a Powerbook 145B, but it still struggles to power up correctly

Some weeks ago I got a non-working Powerbook 145b for 20€ (~23USD). The first thing I did was to test the power supply, which was giving a good 7.8V. I saw that the battery was still in place and I ...
JV Lobo's user avatar
  • 293
6 votes
3 answers
2k views

What were the alternative graphic cards for the Apple II?

In this question, it's mentioned the Apple II's slot 7 was used by third party graphics cards. Is there any documentation on those? What were those cards and what were their capabilities?
rbanffy's user avatar
  • 543
8 votes
1 answer
1k views

Questions about Security over Using an Ancient Mac Computer on The Internet

I've managed to get my hands on a really old mac computer that was probably built in the late 90's. The operating system was last updated in 2001 to 10.1.4. The problem is that I'm not sure if it's ...
Wolf Zwiener's user avatar
0 votes
1 answer
96 views

WWDC2010 Game Demo, programmers use what format for 3D model and animation? [closed]

People in Apple Corporation make Quest game demo for WWDC in year 2010: • Game Design and Development for iPhone OS, Part 1 · Session 401 • Game Design and Development for iPhone OS, Part 2 · Session ...
Châu's user avatar
  • 515
34 votes
4 answers
10k views

Why are the homing bumps on D and K on Apple keyboards?

Some Apple keyboards, such as the Apple //e, some early Macintosh models, and the venerable Apple Extended Keyboard have the homing bumps on the D and K keys instead of the standard F and J keys that ...
user's user avatar
  • 15.3k
36 votes
4 answers
9k views

Why didn't Apple sue Commodore over the Amiga's GUI?

Famously, in the late 1980's Apple sued Microsoft over the "look and feel" of Windows 2.x. The claim was that Windows breached Apple's copyright by being too similar to the Mac UI. Apple ultimately ...
KenD's user avatar
  • 1,901
26 votes
3 answers
4k views

What do the '80/40' and 'keyboard' buttons on my Apple IIc do?

Above the keyboard of my Apple IIc there are two buttons that say "80/40" and "Keyboard". On my machine, they both kinda feel broken. When I press them, they recede into the case and remain there for ...
Woodrow Barlow's user avatar
-1 votes
4 answers
591 views

Was it true that Microsoft actually created software for early Apple devices?

Is it really the case that there was a port of Microsoft Word and Excel that was one of the first really successful software to feature on a Apple device? Did Microsoft software actually have a ...
Neil Meyer's user avatar
  • 6,869
3 votes
0 answers
174 views

Which is the name of the 40-pin connector of a PowerBook 100 (Apple)?

I need to find a replacement for the 40 pin connector in the Apple PowerBook 100 mainboard. It has a female flat cable in the top and 2 alternated lines of pins in the bottom. Picture attached. If you ...
Giorgio Marziani de Paolis's user avatar
9 votes
2 answers
2k views

What was the screen refresh rate of the Lisa and original Macintosh?

According to https://www.folklore.org/StoryView.py?project=Macintosh&story=Joining_Apple_Computer The Apple II displayed white text on a black background. I argued that to do graphics properly ...
rwallace's user avatar
  • 62.4k
15 votes
1 answer
872 views

Why didn't Wozniak's interrupts work on the Apple I monitor program?

In his autobiography, Steve Wozniak recounts[1] his difficulty getting interrupts working on the 6502 microprocessor: The next step was to debug the 256-byte monitor program on the PROMs. I spent ...
snips-n-snails's user avatar
5 votes
2 answers
460 views

Dimensioned drawing of 64-pin SIMM?

I am looking for a dimensioned drawing of a 64-pin SIMM PCB like the ones used in the Macintosh II series for the ROM SIMM. I looked in Guide to the Macintosh Family Hardware and Designing Cards and ...
Zane Kaminski's user avatar
15 votes
4 answers
2k views

Did Apple bundle a specific monitor with the Apple II+ for schools?

Sometime in 1980 (or maybe 1981) my school district purchased its first batch of Apple II+ computers. I remember vividly they had absolutely no idea what to do with them, and so the machines were ...
Geo...'s user avatar
  • 10.2k
5 votes
1 answer
471 views

Apple I and II video output to a contemporary TV set?

Is it possible to connect the unmodified video output from an Apple 1 and Apple II (with their non-standard/out-of-spec NTSC sync pulse levels and/or timings) to a (currently in-production and ...
hotpaw2's user avatar
  • 8,277
5 votes
2 answers
196 views

Does the Apple IIgs FPI assert /CROMSEL for *write* accesses to the extended ROM space?

The FPI (fast processor interface) ASIC in the Apple IIgs generates the /CROMSEL chip-select signal, which is used to select a ROM in the memory expansion slot. Obviously the /CROMSEL signal must be ...
Zane Kaminski's user avatar
23 votes
10 answers
6k views

Was Objective-C really a hindrance to Apple software development? [closed]

I have heard stories from some of the greybeards I have met on the Internet that Objective-C was by all accounts a nightmare to work with. Was that just a thing about all the low-level languages of ...
Neil Meyer's user avatar
  • 6,869
4 votes
1 answer
159 views

Is it possible to write IIgs floppies from a Powermac 7100?

I haven't gotten around to making/sourcing a cable for ADTPro, but I was thinking perhaps I can just write a few disks with a 7100 I have sitting around since those drives can read/write GS and PC ...
NoCarrier's user avatar
  • 149
2 votes
1 answer
3k views

How to read old 3.5" Macintosh formatted floppies on a MacBookPro

I have connected a USB external floppy drive to my Macbook Pro (OSX El Capitan). I am unable to "view" the external drive, and hence unable to access the floppy content. I have inserted a floppy, ...
O.K's user avatar
  • 21
51 votes
16 answers
20k views

How was it back then in 1984, when the Apple II had color, and the new Macintosh didn't?

I imagine it being a huge downgrade for some, not to have color on the Macintosh. Macintosh games were black and white in the beginning, while Apple II had color. I'm especially interested in ...
Johannes Bittner's user avatar
3 votes
1 answer
226 views

Ways To Test iMac G3 Before Buying

I am going to buy an old iMac G3 Over the next couple of days/weeks, and I want to make sure that I am buying a system with no problems. I usually ask for the serial number and good pictures before ...
Randall Hall's user avatar
11 votes
1 answer
1k views

What exactly did Sony contribute to the original Apple PowerBook?

The first Apple PowerBook laptops were delivered in 3 versions in 1991: PowerBook 100, 140, and 170. These initial PowerBooks were overall a tremendous commercial success for Apple, and are regarded ...
Brian H's user avatar
  • 60.8k
5 votes
2 answers
291 views

Is it possible to upgrade original iMac (1998) memory (RAM) to above 256 MB?

I am looking into buying myself an original iMac, as I want to mess with the older system a little bit. Is it even remotely possible to change the RAM in the system to being over 256 MB? I am willing ...
Randall Hall's user avatar
6 votes
1 answer
434 views

Macintosh System 6 on Quadra?

System 6 is not officially supported on 68040 Macintoshes, but has anyone successfully run System 6 on an early Quadra, e.g. the Quadra 700?
Zane Kaminski's user avatar
12 votes
1 answer
1k views

When was Breakout developed by Steve Wozniak?

The classic game Breakout was developed in 1975-76; famously, the first version of the circuit board was designed by Wozniak over the course of four nights, though Atari subsequently redesigned it for ...
rwallace's user avatar
  • 62.4k
12 votes
1 answer
1k views

Help identify old Apple game from 80s (Apple II, Apple IIGS)

I am trying to remember the name of a game I played on Apple II or Apple IIGS. From what I can remember, the beginning of the game you are looking for your lost uncle or something. You to another ...
Louis W's user avatar
  • 231
9 votes
2 answers
881 views

Why did some Mac computers have two names?

Many, if not all of the Performa and Quadra systems seemed to have two names. For example the LC 475 was also known as the Quadra 605.
Tim Locke's user avatar
  • 4,820
13 votes
3 answers
956 views

Origin of copy-protection dongles

The first time I ever heard of a dongle was when it was used on a text processor called Wordcraft on the Commodore 8032. It was around 1980. We had three machines and had to share the dongle amongst ...
cup's user avatar
  • 2,517
1 vote
1 answer
213 views

PowerBook 145 Screen Issues

I have a PowerBook 145 that boots up because I can hear the chime but the screen doesn’t come on. The back light is functioning but no data can be viewed on the screen. What can I do?
Dylan Murphy's user avatar