Ega hardware scrolling
WebThe EGA graphics card had the ability to hardware scroll the screen so you only needed to redraw what was scrolling onto the visible screen. So instead of having to redraw the … WebIn the 80s consumer cards were really just display adapters supporting an increasing variety of output modes: CGA, MDA, EGA, VGA, SVGA, Monochrome, RGBI, 4/8/16bpp etc. ... I forgot if the bitmap layers do come with hardware scrolling, however - but that's still an issue if you're wanting to run parallax with multiple layers.
Ega hardware scrolling
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WebJan 23, 2024 · Atari ST graphics hardware compared to PC EGA Retrogaming General Discussion : English Amiga Board > Main > Retrogaming General Discussion: Atari ST graphics hardware compared to PC EGA User Name: Remember Me? Password: Register: Amiga FAQ: Rules & Help: Members List / Moderators List: Today's Posts ... WebMar 8, 2011 · EGA was introduced in late 1984 and was able to display 16 colours on screen but from a fixed 16 colour palette, Atari ST displayed 16 colours on screen too but …
WebJul 16, 2024 · CGA (the previous generation of PC graphics hardware) lacks features for scrolling in hardware. so PC games started featuring hardware scrolling only with EGA. … WebHere comes another free teleprompter software that comes with tons of options, including automatic text scrolling, increasing reading speed, page up/page down buttons, and …
WebEGA Products manufactures rolling ladders, work platforms, material handling and storage equipment. Visit EGA Products, Inc homepage. Download Our Product Catalog. Shop … WebHardware scrolling means that you use scroll-registers provided by the hardware to move the contents of the screen around. Software scrolling means that you manually copy the contents of the screen. Usually, hardware scrolling is the best solution for scrolling because it’s very fast, and gives good-looking results. ...
WebThe final part of Carmack's technique is the use of the same EGA hardware features used for scrolling to also implement double buffering: setting up a second buffer into which the code can draw while the first buffer is being shown on screen, which is then switched out during screen refresh.
The IBM PC graphics generation previous to EGA is CGA, which lacks features for scrolling in hardware. Therefore, CGA scrolling is done in software, by redrawing the entire screen for every frame, which such systems lack the performance to do for full-screen animation. See more Adaptive tile refresh is a computer graphics technique for side-scrolling video games. It was most famously used by id Software's John Carmack in games such as Commander Keen to compensate for the poor graphics … See more EGA has several features that enable the adaptive tile refresh effect: 1. The framebuffer can be slightly wider than the screen and arbitrarily high, subject to video memory limitations. 2. The position within this buffer from which the screen is drawn … See more Adaptive tile refresh using hardware scrolling debuted in the unreleased prototype game Dangerous Dave in Copyright Infringement, implemented by Carmack. The title of "Dangerous Dave" had been previously used by John Romero while programming … See more cornish rebels rlWebEnhanced Graphics Adapter (EGA) is an computer display standard specification which is between Color Graphics Adapter (CGA) and Video Graphics Array (VGA) in terms of … cornish rag slateWebScrolling is only used for the opening and closing scenes. An Isometric Test goes through the process of mapping isometric tiles onto the LORES square tiles. The start of a typical … cornish rambler shophttp://map.grauw.nl/articles/scrolling.php cornish raw honeyWebJun 5, 2015 · Here’s the complete function: GR_ST_1: MOV DX,A000 MOV BP,0511 CMP AH,0F JC 1535 CALL 14F7 JNC 1535 MOV BP,0501 RET OK, so any (EGA) graphics mode below 0x0F is going to the trigger the use of Write Mode 1 with the ODDEVEN bit set. And sure enough, the scrolling bug also occurs when using 320x200 16-color mode 0x0D. fantastic fraser tourWebIn itself, it is just a description of a typical hardware scroll, as implemented on many types of hardware at the time. The fact that this was the first implementation on EGA hardware doesn't make it different in quality from smooth-scroll techniques on other hardware at the time. -- Idrougge ( talk) 12:57, 13 September 2014 (UTC) [ reply] cornish rapperWebMost EGA hardware was backwards compatible, mostly, with CGA and MDA modes; in particular, the hacked 160x100 mode mentioned above won't work on an EGA, though the EGA's proper support for 16 colors in 320x200 mode makes this easy to work around. ... It also had advanced features such as a blitter, hardware scrolling in horizontal and … fantastic four zeichentrick