To play, you will move your character with your left thumb, while with your right thumb, you will be able to shoot, change weapons, or jump. The games are played in scenarios designed in 2D, very similar to Metal Slug. Before starting to play in Alpha Guns, you will have to choose a character and the weapons you can equip. Knocking down enemies recovers HP and Stamina while extending the overload duration.If you are a fan of retro games, Alpha Guns will offer a thrilling trip down memory lane.Get your weapons ready for this action game!Alpha Guns, developed by Rendered Ideas, is a retro-style side-scrolling action game that pays homage to the classic run-and-gun shooters of the past.The equations of this PAL were also corrected based on the captures of the real device with a logic analyzer and the source code of MAME, since this PAL is used to decode the address bus of the two main Z80 CPUs (CPUA, CPUB).The equations were simplified from unnecessary terms and contrasted using the evidence from the data capture of said PAL with a logic analyzer.Since 4 product sums were needed for the signal selection of the background layer, said output of pin 20 was routed connecting it electrically with pin 18, whose output does not generate anything, and from here to the circuit where it activates the aforementioned background layer.Multiple ways of extraction await your exploration. About Alpha Guns Fixed PAL16R6 equations from Alpha Mission / A.S.O. dump and converted to GAL16V8 JED. Conversion has been made to a GAL20V8 device and tested using a TL866II+ programmer with a Lattice GAL20V8B-25LP on the real PCB. The equations were simplified from unnecessary terms and contrasted using the evidence from the data capture of said PAL with a logic analyzer. Repository files navigation The controls are simple and intuitive, with a virtual joystick for movement and buttons for jumping, shooting, and moving. Players who enjoy platform and shooting games will surely love this game with its cool soundtrack. Once you overcome all the obstacles and enemies of the level, you will face the final boss. AlphaMission/A.S.O. (Armored Scrum Object) arcade PCB PALs: And although the graphics can be improved, it is a very fun and entertaining game that offers a dynamic and action-packed experience. In the game, you will have to use your weapons to take out the huge numbers of enemies that are coming at you, including soldiers, tanks, and helicopters, among other threats. Get your weapons ready for this action game! Get ready to enjoy Alpha Guns on your mobile device, an action, shooting, and platform game that has been developed based on the legendary Metal Slug saga Lots of challenging levels to explore with many new elements to experience with unique enemies.The Rendered Ideas studio brings us a shooting, adventure, action, and platform game where they make a special tribute to that mythical franchise.The game features a catchy and energetic chiptune soundtrack that is reminiscent of classic arcade games.Conversion has been made to a GAL20V8 device and tested using a TL866II+ programmer with a Lattice GAL20V8B-25LP on the real PCB.Classic Remastered game featuring high-definition Cinematic Warfare!Choose your warrior and your weapon and defeat all your enemies on levels full of dangers.With its pixelated graphics, addictive gameplay, and nostalgic charm, Alpha Guns aims to captivate players with its old-school appeal. Since I had a working original arcade board, I was able to capture data with a logic analyzer from the PAL ICs and contrasting these captures with the functions they were supposed to perform. If you are a fan of retro games, Alpha Guns will offer a thrilling trip down memory lane. The levels are filled with platforms, obstacles, and hidden areas, encouraging exploration and providing a sense of discovery. The colorful environments, detailed character sprites, and fluid animations contribute to the game's overall charm. I decided to create this repository during the process of creating a FPGA Core for SNK's 1985 arcade game called Alpha Mission (which would have its sequel years later on the Neo Geo console) because dumps of existing PAL files I found they were incomplete and contained errors.The controls are simple and intuitive, with a virtual joystick for movement and buttons for jumping, shooting, and moving.To play, you will move your character with your left thumb, while with your right thumb, you will be able to shoot, change weapons, or jump.Fixed PAL16L6C (1A), PAL16R6 (15B) and PAL16L8 (9F) equations for Alpha Mission arcade PCB and converted to GAL devices JED files.Before starting to play in Alpha Guns, you will have to choose a character and the weapons you can equip.Once you overcome all the obstacles and enemies of the level, you will face the final boss.Fixed PAL16R6 equations from Alpha Mission / A.S.O. dump and converted to GAL16V8 JED.Easy to use controls which are optimized for the best experience for players on different platforms with a challenging experience for the player.Reach Extraction Point with your squad and secure all supplies. Testing on real PCB (Alpha Mission SNK ELECTRONICS A5002UP0x- with wrong PAL dump: Classic arcade gameplay with unique weapons and awesome controls! Alpha Guns, developed by Rendered Ideas, is a retro-style side-scrolling action game that pays homage to the classic run-and-gun shooters of the past. Lots of challenging levels to explore with many new elements to experience with unique enemies. Alpha Guns is a 2D side scroller shooter with classic gameplay and unique mechanics.Lock ‘n Load soldier! Equations before fix: Finally converting them to GAL devices and replacing them on the arcade board with the original PALs, I was able to test and verify that the modifications I made were correct. I decided to create this repository during the process of creating a FPGA Core for SNK's 1985 arcade game called Alpha Mission (which would have its sequel years later on the Neo Geo console) because dumps of existing PAL files I found they were incomplete and contained errors. The difficulty curve is well-balanced, gradually increasing as players advance through the game. Reach Extraction Point with your squad and secure all supplies. Legacy of the classic mode from "Delta Force". The JED file is available for recording on a GAL16V8 and the equations corrected with author's annotations. Finally converting them to GAL devices and replacing them on the arcade board with the original PALs, I was able to test and verify that the modifications I made were correct.Reach Extraction Point with your squad and secure all supplies.Each weapon has its own unique characteristics, encouraging players to experiment with different loadouts to find the most effective strategies.Fixed PAL16L6C (1A), PAL16R6 (15B) and PAL16L8 (9F) equations for Alpha Mission arcade PCB and converted to GAL devices JED files.I decided to create this repository during the process of creating a FPGA Core for SNK's 1985 arcade game called Alpha Mission (which would have its sequel years later on the Neo Geo console) because dumps of existing PAL files I found they were incomplete and contained errors.Fixed PAL16R6 equations from Alpha Mission / A.S.O. dump and converted to GAL16V8 JED. Legacy of the classic mode from "Delta Force".The difficulty curve is well-balanced, gradually increasing as players advance through the game.Get ready to enjoy Alpha Guns on your mobile device, an action, shooting, and platform game that has been developed based on the legendary Metal Slug sagaChoose your warrior and your weapon and defeat all your enemies on levels full of dangers.The game features a catchy and energetic chiptune soundtrack that is reminiscent of classic arcade games.In my opinion, this bizarre connection was made due to the very structure of the PAL16L6 where there are only two product sums available for the output of pin 18 and four for the output of pin 20 (see the PAL16L6 datasheet).Was a bit tricky to program a GAL20V8B device with the JED file using the TL866II+ because this device often protested when it came to detecting the GAL20V8 pins, I don't know if they were defective, most of them were fake copies, or the recorder simply didn't work correctly with them, but finally I found a working one.The music evolves as players progress through levels, creating a sense of progression and excitement.And although the graphics can be improved, it is a very fun and entertaining game that offers a dynamic and action-packed experience. Easy to use controls which are optimized for the best experience for players on different platforms with a challenging experience for the player. You can use a variety of weapons and shoot them, including pistols, bounce gun, chaser gun, machine gun, fire gun, shot gun, rocket gun, and so on. Choose your warrior and your weapon and defeat all your enemies on levels full of dangers. The Rendered Ideas studio brings us a shooting, adventure, action, and platform game where they make a special tribute to that mythical franchise. Optionally lift the pin 18 of the GAL20V8 because is unused as output signal but because is linked in the PCB with the pin 20 of the same GAL20V8 device could interfere with the output of this pin. Fixed PAL16L6C (1A), PAL16R6 (15B) and PAL16L8 (9F) equations for Alpha Mission arcade PCB and converted to GAL devices JED files. The game features a catchy and energetic chiptune soundtrack that is reminiscent of classic arcade games. With its pixelated graphics, addictive gameplay, and nostalgic charm, Alpha Guns aims to captivate players with its old-school appeal. Was a bit tricky to program a GAL20V8B device with the JED file using the TL866II+ because this device often protested when it came to detecting the GAL20V8 pins, I don't know if they were defective, most of them were fake copies, or the recorder simply didn't work correctly with them, but finally I found a working one. Since 4 product sums were needed for the signal selection of the background layer, said output of pin 20 was routed connecting it electrically with pin 18, whose output does not generate anything, and from here to the circuit where it activates the aforementioned background layer. In my opinion, this bizarre connection was made due to the very structure of the PAL16L6 where there are only two product sums available for the output of pin 18 and four for the output of pin 20 (see the PAL16L6 datasheet). The equations of this PAL were also corrected based on the captures of the real device with a logic analyzer and the source code of MAME, since this PAL is used to decode the address bus of the two main Z80 CPUs (CPUA, CPUB). Before starting to play in Alpha Guns, you will have to choose a character and the weapons you can equip.You can use a variety of weapons and shoot them, including pistols, bounce gun, chaser gun, machine gun, fire gun, shot gun, rocket gun, and so on.Alpha Guns is a 2D side scroller shooter with classic gameplay and unique mechanics.Lock ‘n Load soldier!To play, you will move your character with your left thumb, while with your right thumb, you will be able to shoot, change weapons, or jump.Since I had a working original arcade board, I was able to capture data with a logic analyzer from the PAL ICs and contrasting these captures with the functions they were supposed to perform.Classic arcade gameplay with unique weapons and awesome controls!The games are played in scenarios designed in 2D, very similar to Metal Slug. The music evolves as players progress through levels, creating a sense of progression and excitement. The graphics are reminiscent of the 16-bit era, providing a nostalgic experience for players who grew up with consoles like the Super Nintendo and Sega Genesis. Each weapon has its own unique characteristics, encouraging players to experiment with different loadouts to find the most effective strategies. PAL16L6_1A converted to GAL20V8 (24 pin device) Knocking down enemies recovers HP and Stamina while extending the overload duration. Classic Remastered game featuring high-definition Cinematic Warfare! Multiple ways of extraction await your exploration.