Many would argue that the system’s cheap n’ nasty keyboard and the cost-cutting of parts ultimately led to the quick demise of the PCjr. Price was also an issue for IBM, with the system significantly more expensive than the competing home computer systems of the time. While IBM created the PCjr to be reasonably compatible with its full-price PC line, it wasn’t compatible enough for many disappointed owners. But the PCjr was a complete flop! The system, introduced to the market in 1984, was pulled within its first year due to poor sales. Some argue it was made to cut into the successful sales of the Apple II computers. The IBM PCjr was an alternative PC line created by IBM to target the home computer user. Nerdly Pleasures Playing King’s Quest and King’s Quest II Booters.The many shades of CGA, a dithering study.The 8-bit Guy’s CGA Graphics - Not as bad as you thought!.Nerdly Pleasures IBM’s CGA Hardware Explained.Whenever you encounter a CGA-only game that supports composite (analog), in addition to the RGBI (digital) mode, then make sure you set the nf to MACHINE=CGA so you have the option for the more colorful, analog output. In 2015 several retro computing demoscene enthusiasts released the video 8088 MPH that pushed the CGA modes to unthinkable limits! And a more technically impressive sequel, Area 5150, was released in 2022.ĭOSBox mostly emulates composite mode and its hacks. Game developers and programmers could push many more on-screen colors than was initially thought possible by utilizing analog technology with color blending and artifacts. This article won’t go into the heavy technical details, such as supported monitor refresh rates and aspect ratios, and mainly focuses on graphics, not text modes.ĬGA also offered an NTSC composite color mode with output for US/Japanese analog televisions and monitors. It should give you an overall understanding of these machines and help you determine the best settings for your early DOS games and software. In this article, I will chronologically list the different graphical display types for the IBM PC format, including some that DOSBox does not directly support. That’s twelve choices that can dramatically change the way your games look and play. Possible values: hercules, cga, tandy, pcjr, ega, vgaonly, svga_s3, svga_et3000, svga_et4000, svga_paradise, vesa_nolfb, vesa_oldvbe. But if you read the commented section in the settings file, it states: For visuals, this is not only the best option available but also the most compatible. Introductionīy default, DOSBox has the MACHINE setting set to svga_s3. But for many games created during the 1980s, it can be critical in maximizing the best visual and audio output the game offers. ![]() This setting is not all that important for PC games made around 1992 or later. If you have ever attacked the DOSBox configuration file, you might have encountered a not-so-obvious machine=svga_s3. Or help me out by engaging with any advertisers that you find interesting DOSBox machines and graphic modes note: some people have unsuccessfully tried this option because they didn't realize their physical computer's resources where being used up, be sure to before trying this option go to your DOSBox config file and change output=surface to output=opengl or output=ddraw that will relieve a huge strain on your computer.ĪLT+F12 - this unlocks the speed of DOSBox and allows it to run as fast as your physical computer can run, which is very, very fast.If you find this content useful, consider buying me a coffee ☕ Great if your game is runniung too slow and you know your computer can run faster. This usually results in a more choppy experience, but it's good to use if a game is running TOO FAST.ĬTRL+F12 - Increases the CPU cycles the DOSBox emulates at, makes it go faster because your DOS computer is faster. (closes the program)ĬTRL+F10 - Traps or Releases the mouse inside the DOSBox window, great for switching in and out of games that use the mouse.ĬTRL+F11 - Decreases the CPU cycles the DOSBox eemulates at, makes it go slower because the DOS Computer it's emulating is slower. Hold down CTRL and ALT and then press F5 - Starts recording an AVI video, a poor man's substitute for free programs like Open Broadcaster or pay for programs like Xsplit and FRAPS, Unlike the aforementioned programs, you may have problems with the in-dos-box record function.ĬTRL+F6 - Starts recording AUDIO to a WAV file.ĬTRL+F7 - Skips less frames to make it go slower and run more in real time.ĬTRL+F8 - Skips more frames to make it go faster at the cost of quality.ĬTRL+F9 - This kill switch terminates DOSBox instantly. Alt+Pause - Pauses the DOSBox, makes everything freeze until you hit it again.Īlt+Enter - Toggles Window to Full Screen and back again.ĬTRL+F1 - Turns on the key mapper, which basically lets you change THESE BUTTONSĬTRL+F5 - Saves a screenshot to your DOSBox's capture folder.
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