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13 posts edited

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Votes Activity Newest Views Added

157

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27k

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Why does trying to break into the NT 3.1 kernel reboot my 486DX4 machine?

Apr 25 at 14:11 user3840170 10.1k

votes

answers

11k

views

How did the Z80 instruction set differ from the 8080?

z80 8080 instruction-set

Jul 11 '17 at 23:15 George Phillips 6,630

votes

answers

36k

views

Commodore 64 to modern TV

commodore-64 video

Jul 11 '18 at 14:03 Uwe Keim 129

votes

answers

views

How did Elite (BBC Micro) compress resources?

software bbc-micro

Feb 24 at 13:34 therobyouknow 661

votes

answer

views

How does the command.com shell work with MS-DOS?

ms-dos shell

Apr 18 '19 at 9:51 Stephen Kitt 83.9k

votes

answers

16k

views

How to get started writing C for the IBM PC in 1980-81

ibm-pc compilers c

Jul 11 '17 at 16:29 wizzwizz4♦ 16.4k

votes

answers

views

Which is the minimum set of interrupts/functions I should implement in a replacement BIOS for a home made IBM PC class computer?

ibm-pc bios

Jun 19 '20 at 12:00 Raffzahn 141k

votes

answers

views

Bit one of the Intel 8080's Flags register

8080

Sep 17 '19 at 10:48 Community♦ 1

votes

answer

views

Which undocumented 8085 instructions is Steven Morse referring to in “In The Beginning”?

intel instruction-set 8085

Oct 16 '19 at 8:51 TonyM 1,520

votes

answers

views

How and why did the ZX Spectrum use so many voltages?

zx-spectrum power

Feb 5 '17 at 12:53 tofro 24.3k

votes

answers

685

views

What is known about the internal workings of the Z80?

z80 reverse-engineering

Jun 19 '20 at 20:47 Raffzahn 141k

votes

answers

views

How are 6502 and 65C02 JMP(abs) processed internally

6502

Oct 16 '18 at 21:49 Polluks 322

votes

answers

views

Why do the i8080 I/O instructions take a byte-sized operand to determine the port?

8080

Jun 24 '19 at 12:13 Raffzahn 141k

votes

answer

views

What is this unused memory range in the Game Boy's memory map?

nintendo memory-layout game-boy

Jul 27 '16 at 10:24 John Burger 1,249

votes

answers

views

What's a good way to implement this “fade” effect on C64

commodore-64 graphics programming

Sep 12 '18 at 8:09 OmarL 30.4k

votes

answer

views

Understanding C64 Character Memory

commodore-64 text

Jul 11 '19 at 2:50 Community♦ 1

votes

answers

987

views

Was there any particular reason the 6502's LDX#imm and LDY#imm aren't opcodes A8 and AA?

history 6502

Feb 21 '20 at 16:15 Community♦ 1

votes

answers

773

views

Can someone explain this algorithm used to compute the auxiliary carry flag?

emulation 8080

Jun 6 '19 at 14:13 lvd 8,222

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Why does trying to break into the NT 3.1 kernel reboot my 486DX4 machine?

How did the Z80 instruction set differ from the 8080?

Commodore 64 to modern TV

How did Elite (BBC Micro) compress resources?

How does the command.com shell work with MS-DOS?

How to get started writing C for the IBM PC in 1980-81

Which is the minimum set of interrupts/functions I should implement in a replacement BIOS for a home made IBM PC class computer?

Bit one of the Intel 8080's Flags register

Which undocumented 8085 instructions is Steven Morse referring to in “In The Beginning”?

How and why did the ZX Spectrum use so many voltages?

What is known about the internal workings of the Z80?

How are 6502 and 65C02 JMP(abs) processed internally

Why do the i8080 I/O instructions take a byte-sized operand to determine the port?

What is this unused memory range in the Game Boy's memory map?

What's a good way to implement this “fade” effect on C64

Understanding C64 Character Memory

Was there any particular reason the 6502's LDX#imm and LDY#imm aren't opcodes A8 and AA?

Can someone explain this algorithm used to compute the auxiliary carry flag?