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r187379 Saturday 11th June, 2022 at 17:08:01 UTC by Luca Elia
igs017.cpp, igs022.cpp: Improved protection and decryption; ,oved protection data to external files. (#9890)

* igs017.cpp: Improved protection and decryption [Luca Elia]
- Implemented "magic" i/o as a memory map (IGS_MUX) for added flexibility
- Hooked up IGS_INCDEC protection to cpoker2, tarzanc, spkrform, starzan
- Implemented specific IGS_INC protection in cpoker2
- Hooked up improved IGS022 protection to lhzb2, sqlz2
- Added IGS025 string protection to lhzb2, lhzb2a, mgcs, spkrform, slqz2, starzan, tarzanc, tjsb
- Palette scramble and tweaked tiles decryption in tarzanc (used also by starzan, happyskl, cpoker2)
- Decrypted sprites in tarzanc and starzan (used also by happyskl)
- Lamps and layout for starzan, happyskl, cpoker2
- Cleaned up/finished hopper emulation, added diplocations
- Joystick inputs in mgcs
- Finished inputs in spkrform. Allow hiding gambling (switching to Formosa and back)
- Moved protection data to external files

* igs022.cpp: Fixes for igs017.cpp games [Luca Elia, RockyWall]
- Fixed initial auto-DMA mode
- Enlarged internal RAM. Added stack
- Fixed command 12: Copy -> Stack Push
- Added command 45: Stack Pop
- Fixed command 6d opcode 1: Add Imm -> Sub Values
- Added command 6d opcode 0: Add Values
- Extended logging

Machines promoted to working
----------------------------
Tarzan Chuang Tian Guan (China, V109C, set 1) [Luca Elia, iq_132, Ivan Vangelista, Guru, Dyq, bnathan]
Super Tarzan (Italy, V100I) [Luca Elia, iq_132, Ivan Vangelista, f205v, Mirko Buffoni]
Happy Skill (Italy, V611IT) [Luca Elia, Ivan Vangelista, Caius, The Dumping Union]
Champion Poker 2 (V100A) [Luca Elia, Ivan Vangelista, Jorge Silva, Fernando Oliveira]
Long Hu Zhengba 2 (China, set 1) [Luca Elia, RockyWall, David Haywood, iq_132, Pierpaolo Prazzoli, XingXing]
Shuang Long Qiang Zhu 2 VS (China, VS203J) [Luca Elia, RockyWall, David Haywood, iq_132, Pierpaolo Prazzoli, XingXing]

Clones promoted to working
--------------------------
Super Poker (V100xD03) / Formosa [Luca Elia, ANY]
[src/mame]mame.lst
[src/mame/drivers]igs017.cpp
[src/mame/layout]igsslot.lay*
[src/mame/machine]igs022.cpp igs022.h pgmprot_igs025_igs022.cpp
[src/mame/video]igs017_igs031.cpp


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