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One of the computers known to be based on this processor is the educational WDR 1-bit computer (512 bits of RAM, LED, I/O, keyboard). [4] A modern take, in retro style, of a computer based on this processor is the PLC14500-Nano. It is certified as Open Source Hardware PL000011 so anyone can learn from its design and can freely build it.
A serial computer processes data a single bit at a time. For example, the PDP-8/S was a 12-bit computer using a 1-bit ALU, processing the 12 bits serially. [2]An example of a 1-bit computer built from discrete logic SSI chips is the Wang 500 (1970/1971) calculator [3] [4] as well as the Wang 1200 (1971/1972) [5] word processor series developed by Wang Laboratories.
In addition, there is an 8 x 8-bit multiply (A x B), with full 16-bit result, and fractional/integer 16-bit by 16-bit divide instructions. A range of 16-bit instructions treat the A and B registers as a combined 16-bit D register for comparison (X and Y registers may also be compared to 16-bit memory operands), addition, subtraction and shift ...
Computer architectures are often described as n-bit architectures. In the first 3 ⁄ 4 of the 20th century, n is often 12, 18, 24, 30, 36, 48 or 60.In the last 1 ⁄ 3 of the 20th century, n is often 8, 16, or 32, and in the 21st century, n is often 16, 32 or 64, but other sizes have been used (including 6, 39, 128).
Generate a bitmask of all-1s bits up to the lowest bit position with a 1 in the source argument. Returns all-1s if source argument is 0. Equivalent to dst = (src-1) XOR src: BLSR reg,r/m: VEX.LZ.0F38 F3 /1: Copy all bits of the source argument, then clear the lowest set bit. Equivalent to dst = (src-1) AND src: BMI2 Bit Manipulation Instruction ...
Rose Brystowski, 68, had a choice to make. Others might have found it difficult. She found it easy. Doctors discovered a lump during her sister's mammogram back in 2008 that came back positive for ...
WASHINGTON (Reuters) -President-elect Donald Trump has tasked billionaire Tesla CEO Elon Musk with setting up a panel to streamline the U.S. government. Although Trump has said little about how ...
The 6507 uses a 28-pin configuration, with 13 address pins (A0..A12) and 8 data pins (D0..D7). The seven remaining pins are used for power (Vss, Vcc), the CPU timing clock (φ0, φ2), to reset the CPU (the /RES pin), to request a CPU wait state during its next memory read access (the RDY pin), and for the CPU to indicate if a read or write memory (or MMIO device) access is being performed (the ...