struct Chip8

• Chip8
• Struct
• Value
• Object

Overview

The chip object. Contains all the memory and registers of the Chip-8

Defined in:

interpreter.cr

Constructors

• .new(file_name, test = Array(UInt8).new)

Instance Method Summary

• #delay_reg : UInt8

  special purpose 8Bit delay register.

• #delay_reg=(delay_reg : UInt8)

  special purpose 8Bit delay register.

• #i_reg : UInt16

  16Bit I register

• #i_reg=(i_reg : UInt16)

  16Bit I register

• #interpret
• #load_file(file_name)

  reads in the binary file with chip8 instructions and loads it into memory

• #load_memory(data : Array(UInt8))

  Use for manually loading memory values for testing

• #mem : Array(UInt8)

  4KB of RAM starting at 0x000 to 0xFFF First 512B (0x000 to 0x1FF) are for interpreter and shouldn't be used property mem = Array(UInt8).new(MAX_MEMORY, 0)

• #mem=(mem : Array(UInt8))

  4KB of RAM starting at 0x000 to 0xFFF First 512B (0x000 to 0x1FF) are for interpreter and shouldn't be used property mem = Array(UInt8).new(MAX_MEMORY, 0)

• #mem_size : Int32

  This will store how large the actual file is

• #mem_size=(mem_size : Int32)

  This will store how large the actual file is

• #pc : UInt16

  16Bit program counter

• #pc=(pc : UInt16)

  16Bit program counter

• #reg : Array(UInt8)

  16 general purpose 8Bit registers

• #reg=(reg : Array(UInt8))

  16 general purpose 8Bit registers

• #sound_reg : UInt8

  special purpose 8Bit sound timer.

• #sound_reg=(sound_reg : UInt8)

  special purpose 8Bit sound timer.

• #sp : UInt8

  8Bit stack pointer

• #sp=(sp : UInt8)

  8Bit stack pointer

• #stack : Array(UInt16)

  16 16bit stack values

• #stack=(stack : Array(UInt16))

  16 16bit stack values

Constructor Detail

Instance Method Detail