Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

question regarding VGA tutor in "Rapid Prototyping of Digital Systems"

Hi, I'm doing the VGA tutorial from the "Rapid Prototyping of Digital Systems-SOPC" book. In page 202 of the book, in the CHAR ROM chapter, there's a line: rom_mux_output <= rom_data (CONV_INT...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

ok, found the answer from some code on the net:-- Mux to pick off correct rom data bit from 8-bit word-- This is needed because while the column count goes from left to right on screen,-- the same pixels are indexed from right to left in rom_data. rom_mux_output