The Motorola 6845, or MC6845, is a display controller that was widely used in 8-bit computers during the 1980s. Originally intended for designs based...
16 KB (2,273 words) - 08:55, 30 September 2024
(EGA) card contained a custom IBM chip (the EGA CRTC) that replaced the Motorola 6845, adding many enhancements, in a mostly-compatible way. The IBM Video...
88 KB (9,518 words) - 23:38, 6 October 2024
display standard. The original IBM CGA graphics card was built around the Motorola 6845 display controller, came with 16 kilobytes of video memory built in...
50 KB (5,524 words) - 22:42, 1 November 2024
of a colour or green monochrome monitor. The graphics, which uses a Motorola 6845 chip for timing and address generation, provides 3 standard display...
7 KB (624 words) - 22:44, 27 October 2024
for drawing forms. The original IBM MDA was an 8-bit ISA card with a Motorola 6845 display controller, 4 KB of RAM, a DE-9 output port intended for use...
15 KB (1,423 words) - 00:37, 6 September 2024
along with some S-100 bus systems. The Motorola 6845 (MC6845) is a video address generator first introduced by Motorola and used for the Amstrad CPC, and the...
18 KB (2,520 words) - 19:17, 18 September 2024
Underlying a CPC's video output is the unusual pairing of a CRTC (Motorola 6845 or compatible) with a custom-designed gate array to generate a pixel...
43 KB (5,262 words) - 04:50, 19 September 2024
character set Dragon 200-E character set Dragon 200-E daughterboard Motorola 6845, video address generator Thomson EF9345 TMS9918 MOS Technology VIC-II...
21 KB (1,254 words) - 00:23, 15 August 2024
Display PAL/NTSC, UHF/composite/TTL RGB Graphics 640×256, 8 colours (Motorola 6845, various framebuffer modes) 78×75, 8 colours (Mullard SAA5050 Teletext...
97 KB (9,458 words) - 06:25, 19 October 2024
graphics with 640x200 resolution with 8 colors per pixel, based on a Motorola 6845 video chip, and used an RGB color video monitor. Up to 1152 KB of memory...
4 KB (273 words) - 22:16, 30 June 2024
supported composite video out for use with a TV or composite monitor. A Motorola 6845 CRTC like the one used in the MDA and CGA adapters, and a custom IBM...
66 KB (7,491 words) - 02:46, 7 October 2024
Intel 8251A USART, a Intel 8214 Programmable Interrupt Controller, a Motorola 6845 CRT controller, a Western Digital 1793 floppy disk controller, and a...
5 KB (414 words) - 23:23, 14 October 2024
graphics hardware introduced the same year Motorola 6845, a display controller widely used in 8-bit computers Motorola 6847 Yamaha V9938 Yamaha V9958 List of...
42 KB (2,922 words) - 18:12, 5 November 2024
educational environments Highly configurable graphics display based on the Motorola 6845. Unlike on the original BBC Micro, separate video RAM was used so that...
64 KB (5,420 words) - 06:37, 24 February 2024
displays (all 8000s and later 4000s) used a video controller based on the Motorola 6845 CRTC chip (unlike the TTL logic circuit in 2001/3000s/early 4000s) that...
47 KB (5,952 words) - 17:25, 12 September 2024
with parallel port Release date 1982; 42 years ago (1982) Architecture Motorola 6845 Cards Entry-level Hercules Graphics Card Mid-range Hercules Graphics...
22 KB (2,083 words) - 02:11, 27 September 2024
CPU clocked at 4 MHz (6 MHz for the 128/192 kB models) and featured a Motorola 6845 as video controller. It was possible to run CP/M with the optional 5...
11 KB (776 words) - 05:21, 2 September 2024
system, if these already generated cycling accesses across RAM (e.g. the Motorola 6845). In CPUs such as the Z80, the availability of a RAS refresh was a big...
22 KB (3,051 words) - 22:38, 4 November 2024
screen (based on a Hitachi 46505 CRT controller chip - equivalent to a Motorola 6845), 896 KB of memory (RAM), programmable keyboard and character set were...
12 KB (1,145 words) - 22:40, 3 September 2024
specific mode options, but it is not fully register-compatible with the Motorola MC6845 used in those cards, so software that directly programs the registers...
28 KB (2,740 words) - 18:15, 18 September 2024
Controller, also referred to as a Cathode Ray Tube Controller Motorola 6845, also known as the 6845 CRTC or CRTC6845, a video display controller Direct Rendering...
1 KB (198 words) - 09:58, 12 June 2019
mapped colour graphics (no "text" mode), with timing provided by a Motorola 6845 CRT controller. The video could produce 320x200 in 16 colours, or 640x200...
11 KB (1,327 words) - 17:46, 7 March 2024
or the SGS Z80 (a European second source for Zilog). Video Hardware Motorola 6845 CRTC 40 × 24 text (original ROMs) or 40 × 25 text (upgraded ROMs), 16...
7 KB (620 words) - 22:03, 16 September 2024
import company for the Exidy Sorcerer, called Compudata Systems. Its Motorola 6845-based video display controller could display 80 × 24 text in 8 different...
5 KB (435 words) - 22:28, 28 June 2024
96 KB RAM (the resolution:colour relationship being unintuitive due to Motorola HD6845 CRTC bandwidth and addressing limitations - 16 colours in the 640-pixel...
32 KB (3,665 words) - 06:49, 17 August 2024
Graphics at 800 × 400 (Hitachi 46505 CRT controller chip - equivalent to a Motorola 6845, also used on the Victor 9000 computer) Mechanical Keyboard 101-key...
7 KB (772 words) - 20:12, 7 September 2024
that connected to the Electron's expansion connector and featured a Motorola 6845 display controller and Mullard SAA5050 character generator to replicate...
164 KB (17,855 words) - 16:13, 9 November 2024
processor running at 5 Mhz, it was not fully IBM-compatible, lacking the Motorola 6845 display and the Intel 8237 DMA controllers, and its performance lagged...
6 KB (582 words) - 22:20, 29 October 2024
colour bars, more suited for usage in teletext decoders. Thomson EF9345 Motorola 6845 TMS9918 MOS Technology VIC-II List of home computers by video hardware...
7 KB (351 words) - 13:35, 23 April 2024
processor) Thomson EF9347 (successor of this video processor) Motorola 6847 Motorola 6845 TMS9918 MOS Technology VIC-II List of home computers by video...
10 KB (326 words) - 15:34, 19 May 2024