User Cactus

25 votes

2 answers

3k views

Details of video memory access arbitration in Space Invaders

asked Jun 24, 2019 at 13:35

21 votes

9 answers

6k views

Intel 8080-based home computers

asked Jul 16, 2019 at 7:44

19 votes

3 answers

1k views

Commercial C64 software implemented in Forth?

asked Aug 15, 2019 at 5:56

18 votes

2 answers

1k views

Comprehensive test suites for MOS 6520 PIA / 6522 VIA / 6526 CIA

asked Apr 23, 2016 at 13:49

15 votes

2 answers

1k views

What is this code on the zero page that was put there by the BASIC ROM?

asked Apr 20, 2016 at 1:40

11 votes

3 answers

7k views

Visible resolution of C64 video output, including borders

asked Jul 30, 2018 at 7:22

11 votes

1 answer

1k views

How are held-down keys handled in CHIP-8?

asked Apr 30, 2016 at 4:21

10 votes

2 answers

851 views

What's a good term for "instruction cycle count-accurate" emulation / simulation?

asked Mar 27, 2021 at 8:48

9 votes

1 answer

168 views

Compucolor 2 emulator CCEmu's `.ccvf` disk format

asked Feb 7, 2021 at 6:19

9 votes

1 answer

504 views

What is the purpose of the 2x4-bit split of the PCH incrementer?

asked Mar 28, 2022 at 12:40

6 votes

1 answer

475 views

Player 1 / Player 2 input for Space Invaders

asked Dec 20, 2020 at 4:10

6 votes

2 answers

479 views

Flash border color during Kernal LOAD routine

asked Sep 14, 2021 at 14:21

6 votes

1 answer

365 views

Reconstructing uncompressed program from compressed tape image

asked Sep 21, 2020 at 14:35

5 votes

3 answers

416 views

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

asked Nov 13, 2020 at 10:29

4 votes

2 answers

1k views

Transforming a memory dump into something loadable

asked Sep 23, 2020 at 15:09

4 votes

2 answers

1k views

Open source, non-GPL SID emulator

asked Jul 8, 2018 at 8:35

4 votes

1 answer

159 views

Are there any CHIP-8 games that break if `SAVE` / `RESTORE` doesn't change the pointer register?

asked Jun 27, 2020 at 11:22

4 votes

3 answers

604 views

Compressing a list of records so it can be uncompressed elementwise [closed]

asked Oct 3 at 19:59

3 votes

3 answers

1k views

Effective speed of original COSMAC VIP CHIP-8 interpreter

asked Jul 19, 2020 at 15:14

3 votes

1 answer

226 views

`DRAW` instruction timing

asked Jul 24, 2020 at 8:55

2 votes

1 answer

270 views

Peripherals needed to run Tiny BASIC interactively on an Intel 8080

asked Sep 10, 2020 at 13:21

2 votes

1 answer

268 views

READY / WAIT when reading from / writing to IO ports

asked Sep 23, 2020 at 12:13

Stack Exchange Network

22 Questions

Details of video memory access arbitration in Space Invaders

Intel 8080-based home computers

Commercial C64 software implemented in Forth?

Comprehensive test suites for MOS 6520 PIA / 6522 VIA / 6526 CIA

What is this code on the zero page that was put there by the BASIC ROM?

Visible resolution of C64 video output, including borders

How are held-down keys handled in CHIP-8?

What's a good term for "instruction cycle count-accurate" emulation / simulation?

Compucolor 2 emulator CCEmu's `.ccvf` disk format

What is the purpose of the 2x4-bit split of the PCH incrementer?

Player 1 / Player 2 input for Space Invaders

Flash border color during Kernal LOAD routine

Reconstructing uncompressed program from compressed tape image

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

Transforming a memory dump into something loadable

Open source, non-GPL SID emulator

Are there any CHIP-8 games that break if `SAVE` / `RESTORE` doesn't change the pointer register?

Compressing a list of records so it can be uncompressed elementwise [closed]

Effective speed of original COSMAC VIP CHIP-8 interpreter

`DRAW` instruction timing

Peripherals needed to run Tiny BASIC interactively on an Intel 8080

READY / WAIT when reading from / writing to IO ports