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  • [[Category:Video]] ...ays in which it can produce a display. A vanilla ZX Spectrum has only one video mode, a 256x192 resolution with 15 colours in attribute cells. Some versio
    3 KB (566 words) - 20:17, 5 June 2011

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  • * composite video output, instead of a RF modulated signal * video RAM in a single SRAM chip
    1 KB (216 words) - 18:11, 26 May 2021
  • ...C]]|[[#Removed Video Outputs|NC]]|[[#Removed Video Outputs|NC]]|[[#Removed Video Outputs|NC]]|{{overline|BUSRQ}}|{{overline|RESET}}|A7|A6|A5|A4|{{overline|R ====Removed Video Outputs====
    3 KB (543 words) - 02:08, 11 November 2015
  • ...Outputs|VIDEO]]|[[#Video Outputs|{{overline|Y}}]]|[[#Video Outputs|V]]|[[#Video Outputs|U]]|{{overline|BUSRQ}}|{{overline|RESET}}|A7|A6|A5|A4|{{overline|RO ====Video Outputs====
    4 KB (585 words) - 22:25, 3 May 2015
  • [[Category:Video]] ...ays in which it can produce a display. A vanilla ZX Spectrum has only one video mode, a 256x192 resolution with 15 colours in attribute cells. Some versio
    3 KB (566 words) - 20:17, 5 June 2011
  • ...sent on the ULA bus, which will be a display byte being transferred to the video circuits or 0xFF when idle, such as periods spent building the border. Each scanline of video memory fetches breaks down into a 16×8 cycle sequence with two sets of dis
    3 KB (393 words) - 18:23, 26 May 2021
  • ...ard Atari joysticks. Video output is switchable between composite video, S-Video, SCART RGB (using a custom cable to the VGA port) and VGA at 50, 60 or 75Hz
    3 KB (457 words) - 18:59, 26 May 2021
  • [[Category:Video]]
    1 KB (200 words) - 21:51, 7 April 2014
  • * ULAplus support in all video modes.
    1 KB (170 words) - 09:29, 23 August 2018
  • * ULAplus support in all video modes.
    1 KB (163 words) - 01:16, 23 May 2015
  • * [[Timex 2000 series]] video modes
    1 KB (194 words) - 13:26, 23 February 2022
  • ...s used for composite video out on the [[ZX Spectrum 16K/48K edge connector#Video Outputs|16K/48K]]. Lower pin 25 ({{overline|ROMCS}}) is not connected on th
    4 KB (602 words) - 21:12, 14 November 2021
  • ...ter - hold the page number of "mapped in" ROM and RAM page and the current video RAM page ...ng for "contended" (video) RAM pages, when ULA read this area for build up video signal and inhibit the CPU clock if it want to access "contended" RAM pages
    11 KB (1,974 words) - 15:08, 20 May 2021
  • ...m+ 128K edge connector|128K]], however Lower pin 15 was used for composite video out on the [[ZX Spectrum 16K/48K edge connector|16K/48K]]. These signals occupy the pins which were originally used for the component video signals on the [[ZX Spectrum 16k/48k Edge Connector|16k/48k]] expansion por
    4 KB (618 words) - 11:16, 12 November 2017
  • [[Category:Video]] * Includes the Timex video modes (optional)
    9 KB (1,390 words) - 13:01, 10 May 2020
  • ...op (2x74LS74 IC4 and IC7) to manage RED BUTTON/NMI, stealth mode and store video memory page. ...x0x''' (A1, A15 and {{overline|WR}}). This used to store (D3) the selected video page in the 2nd D flip-flop of IC7 ([https://www.ti.com/lit/ds/symlink/sn74
    5 KB (892 words) - 15:16, 7 February 2021
  • *Graphics: 256 × 192 pixels, 16 colours, attribute based. See [[Spectrum Video Modes]]. ...hannel, 8 octave Programmable Sound Generator and "beeper". Modulated onto video signal.
    5 KB (817 words) - 12:35, 10 March 2024
  • ...ame, to be searched in the computer's memory, the GRAMON is located in the video RAM at addresses # 4000- # 4800, ie in the upper third of the screen.
    2 KB (411 words) - 19:36, 30 June 2020
  • ...earch file patent GB8211723, "Display for a Computer", which describes the video display generation technique used by the ZX Spectrum. ...79.95. As well as including 128 KB of RAM, it provides a more stable video output (avoiding dot crawl), a [[AY-3-8912]] sound synthesis chip, a Spectr
    6 KB (918 words) - 07:36, 12 May 2020
  • * Graphics: 256×192 pixels, 16 colours, attribute based. See [[Spectrum Video Modes]]. ...hannel, 8 octave Programmable Sound Generator and "beeper". Modulated onto video signal.
    7 KB (1,015 words) - 00:16, 10 May 2020
  • ...tirely, but the pixel clock cannot be adjusted without adversely affecting video timings. This issue was fixed in later models of the Spectrum. ...ess of the address that is accessed. Others, such as the MSX, use separate video RAM, accessed either using port I/O as in the case of the MSX, or otherwise
    9 KB (1,523 words) - 12:40, 10 March 2024
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