module ecccpu.mem

class mem

Memory class for the EccCPU ISA

method __init__

__init__(dmem=[], dmemNum=16)

Init the memory

Args:

  • dmem (list, optional): Initial ram. Defaults to [].
  • dmemNum (int, optional): Length of zeroed ram when dmem is default. Defaults to 16.

method mem2str

mem2str()

For GUI, returns a string of the values stored in memory

Returns:

  • str: Formatted memory values

method pcfl2str

pcfl2str()

For GUI, returns a string of the values stored in PC and flags

Returns:

  • str: Formatted PC and flag values

method print

print()

Prints the data in the registers and memory to stdout

method ram_read

ram_read(addr: int) → int

Read from ram

Args:

  • addr (int): Byte-address to read from

Returns:

  • int: Stored value

method ram_write

ram_write(value: int, addr: int)

Write to ram

Args:

  • value (int): Value to be stored
  • addr (int): Byte-address to store at

method reg2str

reg2str()

For GUI, returns a string of the values stored in registers

Returns:

  • str: Formatted register values

method regs_read

regs_read(reg: str) → int

Read the value stored in a register

Args:

  • reg (str): Register string (e.g. r9, 1)

Returns:

  • int: Value stored in register

method regs_write

regs_write(reg: str, value: int)

Write a value to a register

Args:

  • reg (str): Register string (e.g. r9, 1)
  • value (int): Value to store

method reset

reset()

Resets the memory to initialized values

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