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.menu > .item:nth-child(n+2) { display: none; } .menu:hover > .item, .menu:focus > .item, .menu > .item:focus, .item:focus ~ .i ...
I imagine CPUs have to have features that allow it to communicate and work with the GPU, and I can imagine this exists today, but in the early days of ...
We are a large company, selling frobnication services to tens of thousands of customers via phone calls. Orders get recorded on punch cards, featuring ...
I've recently come across a minor issue when linking multiple object files for a Motorola 68000 based system (SEGA Mega Drive). The problem is, when a ...
My understanding of VGA graphics may be flawed, but it seems to have only one layer of graphics, yet the mouse cursor in MS-DOS (or at least DOSBox) a ...
I have built a simple single board computer, and am trying to learn 6809 assembly language. I have got a few simple things running, Echo over via a 68 ...
I am pretty new to assembly, so please go easy on me, but I am confused about labels. I just don't get how they work. Are they like functions, or does ...
For graphic modes using a hardware palette, an illusion of more colors can be achieved by quickly switching between two images (I don't know about any ...
I have heard the term "Single Cycle Cpu" and was trying to understand what single cycle cpu actually meant. Is there a clear agreed definition and con ...
I am trying to use tar to split a single file in to parts small enough to fit on a 1.44MB floppy on Solaris 5.8. According to the references below, I ...
I'm using the assembler that came with the Manx Aztec C compiler (version 5.0) on a Commodore Amiga 500. I want to code the equivalent of the followi ...
I've been looking at a simulation of the 1950s 'Pegasus' computer, and come across the term "self-modified link". How does this work? ...
I’m a big fan of early/mid 1980s personal computers like the Amstrad CPC, Commodore 64 and the Sinclair Spectrum. One thing these computers all had wa ...
Each pixel is composed by two bits, allowing up to 4 shades of gray. From the LCD Monochrome Palettes section of the pandocs we can develop the algori ...
Using a Commodore 64 with a GLINK LT RS-232 adapter connected to a Digi-Connect SP configured to send RAW TCP to a static IP/port on my home network. ...
Since the Gameboy's processor, the LR35902, is a hybrid of the Z80 and the Intel 8080, keeping in mind that the Z80 and the Intel 8080 were designed t ...
I am trying to recover some backups from two old 9-track tapes. They were created ~1980 under RSTS/E version 6. I have VMS 7.3 on a MicroVAX II and ...
Consider STL's unordered_map. The same template class is used for both hashtables that are generated at runtime, and hashtables comprised of compile-t ...
Sometimes when coding in ZX Spectrum Basic I need to evaluate logical expressions that are formed by two operands and a logical xor like this: Sinc ...
For example as you type, which library is telling the computer screen to display the respective ascii character and to move the cursor accordingly? I ...