User lvd

56 votes

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Zilog Z80 freezes while binary counting up to 65 536 (2^16)

answered Feb 3, 2020 at 18:49

24 votes

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Is there any advantage of a ceramic microprocessor over a plastic one?

answered Apr 25, 2017 at 18:08

23 votes

What is the reason the 8051 was not used in 8-bit computers?

answered Feb 18, 2020 at 17:56

20 votes

Can the 6502 clock be changed on the fly?

answered Nov 30, 2021 at 16:55

19 votes

Why did 1-bit DRAM chips have separate data input and output?

answered Feb 5, 2020 at 15:00

19 votes

What prevents faster versions of old architectures from being created?

answered Jan 13, 2018 at 14:22

19 votes

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Can the wrong sync frequency really destroy a CRT monitor?

answered Jun 3, 2018 at 22:42

17 votes

Proportional fonts on 8-bit computers

answered Sep 14, 2018 at 11:05

17 votes

What are tacts in the context of ZX Spectrum systems?

answered Nov 21, 2017 at 11:31

17 votes

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Why was the 6809 so expensive?

answered Oct 19, 2018 at 8:26

17 votes

Were the custom chips in the Amiga exploited for their hardware bugs like the ones in the C64 and Atari 8 bit computers were?

answered Feb 2, 2020 at 22:25

17 votes

Were the classic game consoles technically able to play both NTSC and PAL games, if ignoring artificial region lock-in?

answered Jun 18, 2021 at 15:14

16 votes

Was there any computer since about 1960 without interrupt support?

answered yesterday

12 votes

Why didn’t the 1980s micros use MC68010?

answered Jun 24, 2022 at 6:38

12 votes

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Why does the Amiga 500 have half the HSYNC pulses separately compared to those in CSYNC?

answered Sep 25, 2020 at 7:06

12 votes

How fast is memcpy on the Z80?

answered Sep 16, 2017 at 16:50

10 votes

Developing an application in the era of cassette tapes (audio-tapes)

answered Aug 29, 2018 at 23:43

10 votes

What are the registers W and Z inside a Z80?

answered Jun 7, 2018 at 6:56

10 votes

How was C ported to architectures that had no hardware stack?

answered Aug 7, 2018 at 14:11

10 votes

How useful were the 6809/6309's indirect addressing modes?

answered Oct 19, 2018 at 8:41

10 votes

What were the differences in floppy disk formats between Amiga and IBM/PC compatible computers?

answered Jan 24, 2019 at 13:11

10 votes

Why did TI-8x calculator series use the Z80 processor?

answered Apr 1, 2019 at 8:23

10 votes

Details of video memory access arbitration in Space Invaders

answered Jun 24, 2019 at 13:59

10 votes

What should be the waveform for ZX Spectrum tapes?

answered Nov 17, 2019 at 12:51

10 votes

Were there any NMOS (or PMOS) processors that could tolerate a stopped clock?

answered Jun 22, 2021 at 7:02

10 votes

Accepted

How did the 6502 designers intend for the indirect addressing modes to be used?

answered Dec 1, 2021 at 7:47

10 votes

Why did post-8008 CPUs not keep the on-chip stack idea?

answered Jun 4, 2020 at 15:56

9 votes

8-bit home computers without BASIC

answered Aug 23, 2020 at 21:36

9 votes

Are there any open-source C64 DOS wedges and fast loaders?

answered Nov 15, 2019 at 18:57

9 votes

Accepted

How much did it cost to develop the Z80 CPU?

answered Jan 3, 2020 at 19:20

Stack Exchange Network

133 Answers

Zilog Z80 freezes while binary counting up to 65 536 (2^16)

Is there any advantage of a ceramic microprocessor over a plastic one?

What is the reason the 8051 was not used in 8-bit computers?

Can the 6502 clock be changed on the fly?

Why did 1-bit DRAM chips have separate data input and output?

What prevents faster versions of old architectures from being created?

Can the wrong sync frequency really destroy a CRT monitor?

Proportional fonts on 8-bit computers

What are tacts in the context of ZX Spectrum systems?

Why was the 6809 so expensive?

Were the custom chips in the Amiga exploited for their hardware bugs like the ones in the C64 and Atari 8 bit computers were?

Were the classic game consoles technically able to play both NTSC and PAL games, if ignoring artificial region lock-in?

Was there any computer since about 1960 without interrupt support?

Why didn’t the 1980s micros use MC68010?

Why does the Amiga 500 have half the HSYNC pulses separately compared to those in CSYNC?

How fast is memcpy on the Z80?

Developing an application in the era of cassette tapes (audio-tapes)

What are the registers W and Z inside a Z80?

How was C ported to architectures that had no hardware stack?

How useful were the 6809/6309's indirect addressing modes?

What were the differences in floppy disk formats between Amiga and IBM/PC compatible computers?

Why did TI-8x calculator series use the Z80 processor?

Details of video memory access arbitration in Space Invaders

What should be the waveform for ZX Spectrum tapes?

Were there any NMOS (or PMOS) processors that could tolerate a stopped clock?

How did the 6502 designers intend for the indirect addressing modes to be used?

Why did post-8008 CPUs not keep the on-chip stack idea?

8-bit home computers without BASIC

Are there any open-source C64 DOS wedges and fast loaders?

How much did it cost to develop the Z80 CPU?