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builderpages:plasmo:vgarc [2019/11/01 22:30]
plasmo
builderpages:plasmo:vgarc [2020/06/11 17:52] (current)
plasmo
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 VGARC is a text-based VGA display for RC2014. It is based on 8K of dual port RAM to communicate between RC2014 and video display. VGARC is a text-based VGA display for RC2014. It is based on 8K of dual port RAM to communicate between RC2014 and video display.
 +
 +[[https://​www.retrobrewcomputers.org/​lib/​exe/​fetch.php?​tok=0a5dcf&​media=https://​www.retrobrewcomputers.org/​lib/​plugins/​ckgedit/​fckeditor/​userfiles/​image/​builderpages/​plasmo/​vgarc/​dsc_54191126.jpg|{{https://​www.retrobrewcomputers.org/​lib/​plugins/​ckgedit/​fckeditor/​userfiles/​image/​builderpages/​plasmo/​vgarc/​dsc_54191126.jpg?​direct&​600x338|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_vgarc_dsc_54191126.jpg}}]]
  
 ===== Features ===== ===== Features =====
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   * State machine in Altera EPM7128S CPLD generates the video timings   * State machine in Altera EPM7128S CPLD generates the video timings
   * 8×8 pixel font   * 8×8 pixel font
-  * Font generates ​resides in the dual port RAM and is user programmable+  * Font lookup table resides in the dual port RAM and is user programmable
   * Display 56 lines, 80 characters per line   * Display 56 lines, 80 characters per line
  
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 ===== Design Information ===== ===== Design Information =====
  
-{{:​builderpages:​plasmo:​vgarc:​vgarc_r0_scm.pdf|Schematic}}+{{:​builderpages:​plasmo:​vgarc:​vgarc_scm_r01.pdf|Schematic}}
  
-PC board {{:​builderpages:​plasmo:​vgarc:​vgarc_r0.zip|gerber photoplots}}+PC board {{:​builderpages:​plasmo:​vgarc:​vgarc_r01.zip|gerber photoplots}}
  
-EPM7128SQC100 CPLD equations+EPM7128SQC100 ​{{:​builderpages:​plasmo:​vgarc:​released_56x80_2xdpram.zip|CPLD equations}}
  
 ==== Software ==== ==== Software ====
  
-Font table+{{:​builderpages:​plasmo:​vgarc:​tinytype_font.zip|TinyType ​Font}}, 8×8 font table 
 + 
 +Conway Game of Life demonstration,​ {{:​builderpages:​plasmo:​vgarc:​glider_gun_56x80.zip|Glider Gun}}  on 56 x 80 screen 
 + 
 +{{:​builderpages:​plasmo:​vgarc:​banner56x80.zip|56 lines and 80 column text}} ​ explaining the features of VGARC
  
-Conway Game of Life demonstration+----
  
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builderpages/plasmo/vgarc.1572661852.txt.gz · Last modified: 2019/11/01 22:30 by plasmo
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