The ROM Preprocessor

The ROM Preprocessor transforms high-level ROM encodings into low-level FHDL ROM specifications. A file may contain both high-level ROM code, and ordinary FHDL circuit definitions. Help is available on the following topics.

Overview of High-Level ROM specifications

Specifying ROM words

Defining the fields of a ROM word

Specifying ROM Outputs

ROM Addresses and Labels

Specifying certain fields as required

Defining Complex Commands

Defining New Opcodes

Defining Multiple Word Formats

Using Equates to define values

Using include statements

Running the PreProcessor

Using ROMs in a Circuit