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Altera_Forum's avatar
Altera_Forum
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8 years ago

Replacing a process with 1-port RAM

i have process I need to now implement as ROM. process (count, outi, run) --converter begin if (run = '1') then -- run is a physical switch case count is -- count ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

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If indeed you want to use the 1-port RAM as a ROM, you'd need to remove your decoder logic (the case statement) and instantiate the RAM in your design, attaching count to the address input of the RAM and outi to the output of the RAM.

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You can infer a ROM from decoder logic, if it is clocked.

See "inferring ROM" from the Quartus HDL coding guidelines