PHPerKaigi2019の発表資料。ファミコンエミュレータの実装を通して好きな言語でコンピュータアーキテクチャが学べる話

2. ▸ @cakephper
▸
▸
▸ VAddy:
▸ Scutum: Web Application Firewall

3. (NES)
▸ CPU: RP2A03, 1.79MHz, 8bit
▸ PPU: RP2C02, 5.37MHz
▸ RAM: 2KB
▸ VRAM: 2KB
▸ Program ROM: 32KB
▸ Character ROM: 8KB

4. GOAAAAAL
▸
▸

5. ▸ (CPU, Memory, etc)
▸
▸ OS

6. PHP NES EMULATOR
▸ PHP
▸ Go
▸ 30

7. (PHP)
PHP

9. PROS/CONS
PHP, JS, RUST, GOLANG …
▸
▸

10. PROS/CONS
PHP, JS, RUST, GOLANG …
▸
▸

11. PROS/CONS
▸ Hello World 3
▸

12. HELLO WORLD

13. HELLO WORLD
▸ (ROM)
▸ CPU
▸ : 56 13
▸ CPU BUS (Memory-mapped I/O)
▸ PPU ( )

14. ROM ROM
16KB or 32KB

15. https://github.com/ichikaway/goNES/blob/master/cpu/opcode.go

16. 78 A2 FF 9A A9 00 8D 00 20 …
0x8000 0x8001 0x8002 0x8003 0x8004 0x8005 0x8006 0x8007 0x8008

17. 78 A2 FF 9A A9 00 8D 00 20 …
0x8000 0x8001 0x8002 0x8003 0x8004 0x8005 0x8006 0x8007 0x8008
0x8000
SEI

18. 78 A2 FF 9A A9 00 8D 00 20 …
0x8000 0x8001 0x8002 0x8003 0x8004 0x8005 0x8006 0x8007 0x8008
0x8001
LDX

19. 78 A2 FF 9A A9 00 8D 00 20 …
0x8000 0x8001 0x8002 0x8003 0x8004 0x8005 0x8006 0x8007 0x8008
0x8003
TXS

20. (PHP)
https://github.com/hasegawa-tomoki/php-terminal-nes-emulator/blob/master/src/Cpu/Cpu.php

21. (RUST)
https://github.com/bokuweb/rustynes/blob/master/src/nes/cpu/mod.rs

22. (RUST)
https://github.com/bokuweb/rustynes/blob/master/src/nes/cpu/instructions.rs

23. ▸ PHP RUST Go
▸
▸ uint8 uint16
▸ PHP int int & FF

24. ▸
▸
▸

26. STEP0
▸
▸
▸
▸ 2 PPU

27. STEP1
▸ Hello, World!
▸ @bokuweb
▸ https://qiita.com/bokuweb/items/1575337bef44ae82f4d3
▸ 3 PPU 30%

28. STEP2
▸
▸ ROM CPU
▸
▸ : NES Emulator JavaScript
▸ PHP Terminal NES Emulator
▸ https://github.com/hasegawa-tomoki/php-terminal-nes-
emulator/

29. STEP3
▸
▸ PPU
▸

30. THANK YOU
▸ @cakephper
▸ goNES
▸ https://github.com/ichikaway/goNES

31. ( )
▸ (@tomzoh)
▸ https://speakerdeck.com/tomzoh/yeeh-php-nes-emulators-
here
▸ PHP (@tomzoh)
▸ https://speakerdeck.com/tomzoh/create-a-nes-emulator-
with-php

32. ( )
▸ (@bokuweb)
▸ https://speakerdeck.com/bokuweb/
huamikonemiyuretafalsechuang-rifang

33. https://gist.github.com/ichikaway/151d0366f380e83afee0023e3b6e0c1a

34. ▸
▸
▸