Martin Maly's user avatar
Martin Maly's user avatar
Martin Maly's user avatar
Martin Maly
  • Member for 5 years, 3 months
  • Last seen this week
6 votes

Why can't I invoke the next interrupt service by incrementing the AX register after calling the same interrupt?

2 votes

Why were the PlayStation 2 CPU and GPU initially separate chips?

13 votes

What's the origin of terminating strings by setting the high bit of the last character?

5 votes

Why did some video games apparently use "interlaced" video modes?

13 votes

Compression techniques used in old ZX Spectrum tapes

13 votes
Accepted

Did any ZX Spectrum clones use the Z80's interrupt mode zero?

4 votes

What was the DRAM refresh interval on early microcomputers?

6 votes
Accepted

What does HP Omnibook 300 error code 0302h mean?

10 votes

8086 duration of program

8 votes
Accepted

Origin of Ctrl-Alt-Delete key combination to reset

9 votes

How were 4-digit IC part numbers assigned?

0 votes

Using a GSM (2G) cellphone as a modem to send code

2 votes

First time using an Amstrad CPC 6128 Disc Drive

14 votes

Why were pack-in games not usually incorporated on the console mainboard?

9 votes

Did IBM originally plan to use the 68000 in the PC?

2 votes

Did 68000 on S-100 have any problem with being big endian?

1 vote

What is this Intel Hexadecimal-like file format in this Tiny BASIC dump?

2 votes

ZX Spectrum 48k Power Supply outputting 15V

13 votes
Accepted

Why did the Altair use 100-pin edge connectors?

9 votes

Did computers come with circuit diagrams?

1 vote

Modern HDD replacement for an old laptop

13 votes

Did computer games for Commodore 64 really take "25 minutes" to load "if everything went alright"?

3 votes

Are the 6809 and 6809E different from a programmer's point of view?

1 vote

Why does DOS ask for the current date and time upon booting?

26 votes

How did the ZX Spectrum avoid key ghosting?

6 votes

Were there any bitmap-based 8080 computers?

2 votes

In the Intel 8080, where does the "Stack" start?

2 votes
Accepted

Peripherals needed to run Tiny BASIC interactively on an Intel 8080

0 votes

How to code for bidirectional I/O for MC6850 ACIA (680x Assembler)

0 votes

Why did Sony allegedly not want developers to take advantage of the full power of their PlayStation?