VOGONS

Common searches


Search results

Display options

Re: Vogons Video Announcement Thread

in Milliways
Let's Code MS DOS 0x29: Extended Memory XMS In the previous episode we learned how to use Expanded Memory even down to the original IBM PC. From the IBM AT and other 286 machines onwards we can use Extended Memory instead. It doesn't require any additional hardware and allows you to use more than …

Re: Vogons Video Announcement Thread

in Milliways
Let's Code MS DOS 0x28: Expanded Memory (EMS) The original IBM PC and MS DOS could — for the most part — only access 640KB of memory. The LIM EMS standard was at first a standard for RAM expansion cards to overcome this limit. On later machines like the 286 and 386 there was either support built …

Re: Vogons Video Announcement Thread

in Milliways
And the second installment is here: Let's Code MS DOS 0x27: AdLib OPL2 Melodic Programming We continue our quest to learn the secrets of the AdLib sound card and its Yamaha OPL2 FM synthesizer. Last time we did the drum programming, but this time we learn how to code melodic instruments and how to …

Re: Vogons Video Announcement Thread

in Milliways
Let's Code MS DOS 0x26: AdLib Drum Machine Programming the OPL2 FM chip on the original AdLib card can be a bit tedious. Join me in this episode to learn how to program the drums on the AdLib card to create a simple sequencer or drum machine. In the future we will also look at the melodic …

Re: Vogons Video Announcement Thread

in Milliways
The PicoGUS 2 0 Ian Scott, also known as polpo, has upgraded his Raspberry Pico based Gravis Ultrasound clone to version 2.0. It can now be fully factory assembled, and has WaveBlaster support as well as a new design. Let’s test drive the card and see what it can do! https://youtu.be/aeejxbaAQ4g

Re: Vogons Video Announcement Thread

in Milliways
ZoomFloppy+OpenCBM+8050 The main issue with the Commodore 8050 and 8250 drives is: How do you get data onto them? The units use 100tpi floppy drives that are incompatible to the regular 48tpi and 96tpi disk drives used in the 1541 and in PC DD and HD drives. So there is no chance using those. …

Re: Vogons Video Announcement Thread

in Milliways
adalbert wrote on 2023-11-20, 13:03: How to create Windows 3.11 C++ applications in a relatively easy way (while retaining cross-platform capabilities): https://www.youtube.com/watch?v=d6L272OApVg It has a happy end. 😁 But I learned what NOT to do, without really proper equipment like mechanical …

Re: Vogons Video Announcement Thread

in Milliways
I Broke A Vintage Floppy Drive Motor My Commodore 8050 drive died two months ago, while being attached to a IEEE-USB interface. It seems the read-head of drive 0 was driven too far. After fixing that issue, I noticed that drive 1 wasn’t formatting disks — again. Suspecting that the DC motor for the …

Re: Vogons Video Announcement Thread

in Milliways
Let's Code MS DOS 0x24: Low Level Keyboard Programming Getting input from the keyboard can be as easy as calling the getch() function. But for games we need a better solution. For games on MS DOS machines you need quick, unbuffered input. To simply get the state of keypresses we need to talk to the …

Re: Vogons Video Announcement Thread

in Milliways
C64 Breadbin Black Screen Repair A friend brought over his childhood Breadbin C64. Of course it was dead — black screen. This can be caused by a multitude of issues. My money initially was on the PLA — as is so often the case! But is the PLA really the culprit this time…? https://youtu.be/ …

Re: Vogons Video Announcement Thread

in Milliways
Let's Code MS DOS 0x23: 2nd Reality Lens Effect In 1993 the Future Crew released the seminal demo “Second Reality”. Last episode we re-implemented the tunnel effect, this time we try to understand and replicate the lens effect. A bouncing, tinted glass ball that distorts the background image. Thirty …

Re: Vogons Video Announcement Thread

in Milliways
Let's Code MS DOS 0x22: 2nd Reality Tunnel Effect In 1993 the Future Crew released the seminal demo “Second Reality”. One of the more simple effects they showed in this demo was the “Dot Tunnel”. It is a simple, yet mesmerizing oldskool demo effect. We can build on our knowledge of fixed point maths …

Re: Vogons Video Announcement Thread

in Milliways
The ReSeed SID Sound Card for the Plus/4 & C16 The Commodore 264 machines, which include the Plus/4 and the C16 used the TED chip for video and sound. The audio capabilities were not great: two square wave channels. The Commodore 64’s SID chip on the other hand was a proper three voice synthesizer. …

Re: Vogons Video Announcement Thread

in Milliways
Let's Code MS DOS 0x21: 3D Fixed Point Maths The 3D Wireframe cube is part of every demoscene coder’s learning curve. Today I want to talk you through the principles of 3D programming in general and especially the idea of fixed point maths, where you use integers instead of floating point numbers to …

Re: VGA games with only 16 colors

in DOS
Pirates Gold! is a gorgeous 640x480 16-color VGA game, as well as Incredible Machine (the first two at least). Syndicate has both modes (hi res 16-color during in-game and low res 256 color for menus outside gameplay). Operation Wolf! is a 16-color VGA game (EGA assets with color redefinition only …

Page 1 of 104