If you've looked into romset readme.txt files, or arcade emulator CPU listings, you may have seen a lot of numbers and names of components and maybe even recognized some of them. This is a somewhat simplified overview of how these components make the games work. Most TOAPLAN games have a setup like this picture, some games vary a little bit with the CPUs and sound chip (early Toaplan games have 2 Z80's, later Toaplan games have a Hitachi MCU instead of the Z80, but more about that later). Street Fighter II - Champion Edition (Alpha Magic-F bootleg set 2, 920313 etc) Bootleg 3.73 Mo. Street Fighter II - Champion Edition (Alpha Magic-F bootleg set 1, 920313 etc) Bootleg 3.73 Mo. Street Fighter Alpha 3 (980904 USA) 682 Ko. The main components in the picture are named by the most common components, and each have a specific function. Street Fighter Alpha 3 (980904 USA Phoenix Edition) Bootleg 347 Ko. The (Motorola) 68000 serves as the main CPU. All other components are controlled directly or indirectly by this chip. This is where MAIN CODE roms go when loaded. Some games have a TI32010 DSP for protection. Some code that is vital to gameplay has been put in this chip which either has internal ROM (protected, like Flying Shark) or external ROM which can be analyzed. The (Zilog) Z80 serves as the sub CPU and handles sound control (and is sometimes called the sound CPU) and I/O reading (Joysticks, buttons, coin counters and start buttons). The SOUND CODE rom contains the data for this chip. The (Yamaha) 3812 generates sound for the speakers. Multiple Arcade Machine Emulator MAME 0.184. It recieves synthesizer commands from the Z80 and plays the sound and music for the games. Game information, description, and download page for Snow Brothers 3 - Magical Adventure ROM for M.A.M.E. In later games (Truxton 2, etc.) this chip is replaced with a Yamaha 2151. The GFX UNIT is different between different PCB type boards. The earliest PCB type for Toaplan is the Tiger Heli/Slap Fight graphics (1-layer + sprites), followed by Flying Shark/Twin Cobra (2-layer + sprites, simple priority system), and then Truxton/Zero Wing etc. r/pinball - Pinball specific discussion.(4-layer + sprites, more complex priority system) and finally Truxton 2/Snow Bros 2 which has even more features. r/arcade - Original CoinOP Arcade specific discussion. r/RetroGamingNetwork - a multireddit for retro gaming! r/HyperSpin - HyperSpin specific discussion. R/MAME RULES/REGULATIONS REDDIT'S ARCADE COMMUNITY Over time, MAME (originally stood for Multiple Arcade Machine Emulator) absorbed the sister-project MESS (Multi Emulator Super System), so MAME now documents a wide variety of (mostly vintage) computers, video game consoles and calculators, in addition to the arcade video games that were its initial focus. The ipad version has no adds, but in my opinion I prefer to play the game 'Mr.Addon in Sulpicius Gallus M' is a good new clone of Snow Bros for PC, easy to play for all ages. The fact that the software is usable serves primarily to validate the accuracy of the documentation (how else can you prove that you have recreated the hardware faithfully?). HyperMan 2, Snow Bros. The source code to MAME serves as this documentation. MAME software primarily consists of ROM files that are dumped from the ROM (Read only Memory) chips found on machine circuit boards. This is achieved by documenting the hardware and how it functions. As electronic technology continues to rush forward, MAME prevents this important "vintage" software from being lost and forgotten. MAME’s purpose is to preserve decades of software history. MAME is a multi-purpose emulation framework. Questions? Please check out OUR MAME/BYOAC Wiki!
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