Class Assembler

java.lang.Object
  Assembler

Direct Known Subclasses:

Assembler1, Assembler2, Assembler3

public abstract class Assembler
extends java.lang.Object

Base PicoBlaze assembler.

Field Summary

int	address_width Address representation width.
int	data_width Data (opcode) representation width.
Environment	environment Program environment.
java.lang.String[]	listing Program listing.
int[]	program Assembled program.

Constructor Summary

Assembler(int n, int a, int d)
Create a new assembler.

Method Summary

abstract int	code(java.lang.String n, java.util.Vector a) Assemble instruction.
abstract java.lang.String	toBlockRAM(java.lang.String n) Generate Verilog ROM file.
java.lang.String	toString() Generate Verilog readmemh-compatible listing file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

program

public int[] program

Assembled program.

listing

public java.lang.String[] listing

Program listing.

environment

public Environment environment

Program environment.

address_width

public int address_width

Address representation width.

data_width

public int data_width

Data (opcode) representation width.

Constructor Detail

Assembler

public Assembler(int n,
                 int a,
                 int d)

Create a new assembler.

Parameters:

n - program size

a - address representation width

d - data representation width

Method Detail

code

public abstract int code(java.lang.String n,
                         java.util.Vector a)

Assemble instruction.

Parameters:

n - instruction name

a - literal arguments

toString

public java.lang.String toString()

Generate Verilog readmemh-compatible listing file.

Overrides:

toString in class java.lang.Object

toBlockRAM

public abstract java.lang.String toBlockRAM(java.lang.String n)

Generate Verilog ROM file.

Parameters:

n - Verilog module name

Returns:

Verilog module BlockRAM declaration