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projectf.io | ||
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imapenguin.com
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| | | | | I was recently on a video call with a friend, throwing around some ideas for a new product. I mentioned adding large signed numbers in assembly and using two's complement. He asked me what two's complement was. I was a little surprised that he didn't know. He's been a Java programmer for more than 30 years. Java and Python programmers (and others like gasp Commodore / MicroSoft BASIC) don't have a native unsigned integer type. The language takes care of the details for you. | |
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kqueue.org
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| | | | | There are several commonly used RISC-V instruction pairs with 32-bit immediates. Below is an example of loading a 32-bit immediate into a register using lui/addi: lui rd,imm[31:12] addi rd,rd,imm[11:0] Here lui places a (sign-extended) 20-bit immediate into register rd and fills the lowest 12 bits with zeros, and addi adds a sign-extended 12-bit immediate to register rd. | |
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blog.tst.sh
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| | | | | SHENZHEN-IO [http://www.zachtronics.com/shenzhen-io/] is an interactive circuit building and programming puzzle game with a programmable microcontroller called the MC6000, it has an extremely simple instruction set and no memory besides 2 registers that can only store numbers from -999 to 999. Each instruction consists of a label, | |
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jdh.hamkins.org
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| | | This will be a series of self-contained lectures on the philosophy of mathematics, given at Oxford University in Michaelmas term 2019. We will be meeting in the Radcliffe Humanities Lecture Room at | ||
