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--- builderpages:plasmo:crc65:vga6448 [2021/03/14 09:55]
plasmo created
+++ builderpages:plasmo:crc65:vga6448 [2021/06/05 23:02] (current)
plasmo
@@ Line 3: / Line 3: @@
 ===== Introduction =====
-VGA6448 is initially discussed on 6502.org forum [[http://forum.6502.org/viewtopic.php?f=10&t=6502|here]]:  It is a simple design suitable as a piggy-back board for system RAM to add VGA capability.
+VGA6448 is initially discussed on 6502.org forum [[http://forum.6502.org/viewtopic.php?f=10&t=6502|here]]: It is a simple design suitable as a piggy-back board for system RAM to add VGA capability.
+[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=d3d488&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/crc65/vga64/vga6448_banner.jpg|{{https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/crc65/vga64/vga6448_banner.jpg?direct&600x333|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_crc65_vga64_vga6448_banner.jpg}}]]
+[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=56e301&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/crc65/vga64/dsc_64730222.jpg|{{https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/crc65/vga64/dsc_64730222.jpg?direct&500x352|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_crc65_vga64_dsc_64730222.jpg}}]]
+===== Features =====
+  * EPM7064S or ATF1504AS CPLD
+  * 4K dual port RAM
+  * 25.175MHz clock
+===== Theory of Operation =====
+===== Design Files =====
+Schematic
+CPLD design
+==== Software ====
+{{:builderpages:plasmo:crc65:vga64:matrix_working.zip|Matrix screen saver}}.  The program starts at $a000