Games-NES-Emulator

Changes for version 0.03

Major refactoring of 6502 instructions.
Util methods added:
- set_nz( $value )
- push_stack( $value )
- pop_stack( $value )
- branch_if( $bool )
- make_word( $lo, hi )
- lo_byte( $word )
- hi_byte( $word )
Fixed up debugging info for status register
Added the name of the op to the debug data
A little bit of PPU work done

Modules

CPU::Emulator::6502

Class representing a 6502 CPU

CPU::Emulator::6502::Addressing

Handle different addressing rules

CPU::Emulator::6502::Op::ADC

Add memory to accumulator with carry

CPU::Emulator::6502::Op::AND

Logical AND memory with accumulator

CPU::Emulator::6502::Op::ASL

Shift left

CPU::Emulator::6502::Op::BCC

Branch on carry clear

CPU::Emulator::6502::Op::BCS

Branch on carry set

CPU::Emulator::6502::Op::BEQ

Branch on result zero

CPU::Emulator::6502::Op::BIT

Bit test

CPU::Emulator::6502::Op::BMI

Branch on result minus

CPU::Emulator::6502::Op::BNE

Branch on result not zero

CPU::Emulator::6502::Op::BPL

Branch on result plus

CPU::Emulator::6502::Op::BRK

Force break

CPU::Emulator::6502::Op::BVC

Branch on overflow clear

CPU::Emulator::6502::Op::BVS

Branch on overflow set

CPU::Emulator::6502::Op::CLC

Clear the carry flag

CPU::Emulator::6502::Op::CLD

Clear decimal mode

CPU::Emulator::6502::Op::CLI

Clear the interrupt disable bit

CPU::Emulator::6502::Op::CLV

Clear overflow flag

CPU::Emulator::6502::Op::CMP

Compare accumulator

CPU::Emulator::6502::Op::CPX

Compare the X register

CPU::Emulator::6502::Op::CPY

Compare the Y register

CPU::Emulator::6502::Op::DEC

Decrement by one

CPU::Emulator::6502::Op::DEX

Decrement the X register

CPU::Emulator::6502::Op::DEY

Decrement the Y register

CPU::Emulator::6502::Op::EOR

Exclusive OR memory with accumulator

CPU::Emulator::6502::Op::INC

Increment by one

CPU::Emulator::6502::Op::INX

Increment the X registers

CPU::Emulator::6502::Op::INY

Increment the Y registers

CPU::Emulator::6502::Op::JMP

Jump

CPU::Emulator::6502::Op::JSR

Jump and save the return address

CPU::Emulator::6502::Op::LDA

Load accumulator from memory

CPU::Emulator::6502::Op::LDX

Load X register from memory

CPU::Emulator::6502::Op::LDY

Load Y register from memory

CPU::Emulator::6502::Op::LSR

Shift right

CPU::Emulator::6502::Op::NOP

No operation

CPU::Emulator::6502::Op::ORA

Logical OR memory with accumulator

CPU::Emulator::6502::Op::PHA

Push accumulator on the stack

CPU::Emulator::6502::Op::PHP

Push processor status on the stack

CPU::Emulator::6502::Op::PLA

Pull accumulator from the stack

CPU::Emulator::6502::Op::PLP

Pull processor status from the stack

CPU::Emulator::6502::Op::ROL

Rotate left through carry

CPU::Emulator::6502::Op::ROR

Rotate right through carry

CPU::Emulator::6502::Op::RTI

Return from BRK/IRQ/NMI

CPU::Emulator::6502::Op::RTS

Return from subroutine

CPU::Emulator::6502::Op::SBC

Subtract memory from accumulator with borrow

CPU::Emulator::6502::Op::SEC

Set the carry flag

CPU::Emulator::6502::Op::SED

Set decimal mode

CPU::Emulator::6502::Op::SEI

Set the interrupt disable bit

CPU::Emulator::6502::Op::STA

Store accumulator in memory

CPU::Emulator::6502::Op::STX

Store the X register in memory

CPU::Emulator::6502::Op::STY

Store the Y register in memory

CPU::Emulator::6502::Op::TAX

Transfer the accumulator to the X register

CPU::Emulator::6502::Op::TAY

Transfer the accumulator to the Y register

CPU::Emulator::6502::Op::TSX

Transfer the stack pointer to the X register

CPU::Emulator::6502::Op::TXA

Transfer the X register to the accumulator

CPU::Emulator::6502::Op::TXS

Transfer the X register to the stack pointer

CPU::Emulator::6502::Op::TYA

Transfer the Y register to the accumulator

Games::NES::Emulator

An object-oriented NES (6502) emulator

Games::NES::Emulator::APU

NES Audio Processing Unit

Games::NES::Emulator::CPU

NES Central Processing Unit

Games::NES::Emulator::Input

NES Controller

Games::NES::Emulator::Mapper

Base class for mappers

Games::NES::Emulator::Mappers::Mapper0

Mapper 0

Games::NES::Emulator::PPU

NES Picture Processing Unit

Games::NES::Emulator::PPU::Memory

NES VRAM

Other files

To install Games::NES::Emulator, copy and paste the appropriate command in to your terminal.

cpanm

cpanm Games::NES::Emulator

CPAN shell

perl -MCPAN -e shell
install Games::NES::Emulator

For more information on module installation, please visit the detailed CPAN module installation guide.

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Changes for version 0.03

Modules

Other files

Module Install Instructions