User dirkt

6 votes

SAPCOL Japanese digital typesetting machines

answered Feb 19, 2021 at 6:57

6 votes

Early vector computer displays: off-the-shelf oscilliscope, or custom built?

answered Apr 1, 2021 at 12:22

6 votes

Config information on ancient 16-bit Multi I/O card

answered Mar 4, 2021 at 13:50

6 votes

In relation to the Tandy TRS-80 Model 1 and Model III, what are "ISAM" and "PDS"?

answered Aug 11 at 7:53

6 votes

How much extra did a color RF modulator cost?

answered Jun 6 at 6:57

6 votes

Identifying and finding a charger and disk for the Acer Anyware K386s?

answered Nov 17 at 19:37

6 votes

Accepted

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

answered Jul 1, 2023 at 9:22

6 votes

Were there any PCs where you could switch Turbo Mode via the keyboard?

answered Jan 19 at 9:59

6 votes

Does anyone have any idea how HotSync works on a byte by byte level, Does anybody have any documentation on the protocol

answered Oct 7, 2023 at 4:48

6 votes

Does this 1978 code for a 6800 really clear ALL of memory?

answered Nov 2, 2023 at 8:38

6 votes

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

answered Jan 19, 2019 at 19:58

6 votes

Hard disks in 1977

answered Aug 16, 2018 at 8:16

6 votes

Fastest non-emulated CP/M Z80-based computer ever built?

answered Dec 24, 2019 at 6:35

6 votes

Accepted

In what way does the Straight-8 expand on the PDP-5?

answered Jul 25, 2019 at 17:05

6 votes

Actual resolution of composite video monitors

answered Jul 5, 2017 at 17:57

6 votes

Format of "Pound" domains in RFC 821

answered Jun 16, 2017 at 11:48

6 votes

Is my opened floppy disk useless now?

answered Apr 29, 2018 at 4:27

6 votes

Recovering old Commodore 5.25" floppy disks

answered Mar 22, 2018 at 17:59

6 votes

Can a 16K computer be upgraded to 64K?

answered Dec 26, 2017 at 21:01

6 votes

Where can I find software for the PDP-6?

answered Apr 20, 2016 at 9:40

5 votes

Was The Telemark Assembler available for the Unix or Mac Environments?

answered Aug 16, 2016 at 8:37

5 votes

Hercules to COM<->USB adapter - is it possible?

answered Nov 26, 2016 at 14:27

5 votes

Commodore VIC-20/64/128/16/Plus 4 floppy disk drive replacement

answered Mar 18, 2018 at 11:24

5 votes

Interrupt pin type on the 6502

answered Jul 28, 2019 at 14:05

5 votes

Accepted

6502: is BCD fundamentally the same performance as non-BCD?

answered Aug 18, 2019 at 15:20

5 votes

Accepted

Cray-1 functional units

answered Mar 16, 2020 at 21:05

5 votes

Accepted

Did the original Intel peripherals use latches as input registers?

answered Sep 13, 2018 at 10:31

5 votes

Which CPUs had instructions leaving data registers in an unspecified state?

answered Oct 30, 2018 at 6:53

5 votes

Why is modulo operation an operator for integer types but only a function for floating-point ones?

answered Apr 28, 2019 at 4:21

5 votes

Accepted

How did 2-chip CPUs work?

answered Apr 7, 2019 at 8:55

Stack Exchange Network

274 Answers

SAPCOL Japanese digital typesetting machines

Early vector computer displays: off-the-shelf oscilliscope, or custom built?

Config information on ancient 16-bit Multi I/O card

In relation to the Tandy TRS-80 Model 1 and Model III, what are "ISAM" and "PDS"?

How much extra did a color RF modulator cost?

Identifying and finding a charger and disk for the Acer Anyware K386s?

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

Were there any PCs where you could switch Turbo Mode via the keyboard?

Does anyone have any idea how HotSync works on a byte by byte level, Does anybody have any documentation on the protocol

Does this 1978 code for a 6800 really clear ALL of memory?

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

Hard disks in 1977

Fastest non-emulated CP/M Z80-based computer ever built?

In what way does the Straight-8 expand on the PDP-5?

Actual resolution of composite video monitors

Format of "Pound" domains in RFC 821

Is my opened floppy disk useless now?

Recovering old Commodore 5.25" floppy disks

Can a 16K computer be upgraded to 64K?

Where can I find software for the PDP-6?

Was The Telemark Assembler available for the Unix or Mac Environments?

Hercules to COM<->USB adapter - is it possible?

Commodore VIC-20/64/128/16/Plus 4 floppy disk drive replacement

Interrupt pin type on the 6502

6502: is BCD fundamentally the same performance as non-BCD?

Cray-1 functional units

Did the original Intel peripherals use latches as input registers?

Which CPUs had instructions leaving data registers in an unspecified state?

Why is modulo operation an operator for integer types but only a function for floating-point ones?

How did 2-chip CPUs work?