![]() There are lots of websites that cater to Minecraft and redstone devices, including processors like CHUNGUS 2, so I will not go into the nitty-gritty details here. The thing is, only one item can be in a block of space. Redstone can be "powered" by items such as switches and redstone torches. It works something like a conductor, although it tends to operate more like a fluid rather than an electrical circuit. One of the items is called "redstone," from the block that it's obtained from. The 3D virtual world is built around uniform blocks that can be materials like air, water, wood, rock, etc. Redstone Basicsįor those unfamiliar with Minecraft, it's a video game that runs on a range of platforms. Sammyuri created an assembler written in Python for the CHUNGUS 2. The built-in peripheral is a 3-bit pseudo-random number generator (RNG). It can also be used as a 12-character × 2-line ASCII text display or a two-line, 8-bit integer display (signed or unsigned). It's possible to draw and erase individual pixels as well as using rectangles and up to eight 4 -×-4 sprites. The display is a 32-×-32 buffered pixel screen. ![]() The system implements a simple branch prediction system. The ALU implements 40 functions including a hardware barrel shifter, multiply, divide, and square root. ![]() The 4-kB program storage is broken up in thirty-two 128-byte pages. The system has 256 bytes of RAM with a 64-byte, 8-way associative data cache and up to 256 I/O ports. The 4-stage instruction pipeline implements fetch - decode - execute - writeback. The 8-bit CPU uses 16-bit, fixed-length instructions with seven general-purpose registers. The system runs at a blazing 1 Hz with a 10-tick clock. The 3-operand, RISC processor can run simple applications like Tetris, Snake, and Connect 4. Sammyuri's CHUNGUS 2 (Computational Humongous Unconventional Number and Graphics Unit) isn't the first 8-bit micro built in Minecraft, but it's one of the most ambitious.
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