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howerj/bit-serial

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A bit-serial CPU written in VHDL, with a simulator written in C.

6 mentions on Hacker News by 1 person: 2 stories, 4 comments · first 2020-09-01 · latest 2024-08-20

Mentions per year 6 mentions · busiest year 2020 (4)
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  1. Here's a 16-bit bit-serial computer I made and tested on an FGPA https://github.com/howerj/bit-serial . If you look at `bit.c` it looks like an ordinary 16-bit Accumulator based Virtual Machine with a few odd instructions that make more…
    comment by howerj · 2024-08-20 · in The guidance system and computer of the Minuteman III nuclear missile
  2. …for a SUBLEQ machine ( https://github.com/howerj/subleq ), and for a bit-serial machine ( https://github.com/howerj/bit-serial ), both of which do not have a function call stack which is a requirement of Forth. SUBLEQ also does not allow…
    comment by howerj · 2024-04-03 · in Subroutine calls in the ancient world, before computers had stacks or heaps
  3. …The cross-compiler and the cross compiled program, a [Forth][] interpreter, are available at: < https://github.com/howerj/bit-serial/blob/master/bit.fth > It compiles down to an image that uses just 4802 bytes (out of 16KiB). And a C…
    comment by howerj · 2020-09-12 · in Show HN: Bit Serial CPU
  4. …The cross-compiler and the cross compiled program, a [Forth][] interpreter, are available at: < https://github.com/howerj/bit-serial/blob/master/bit.fth > It compiles down to an image that uses just 4802 bytes (out of 16KiB). And a C…
    comment by howerj · 2020-09-01 · in Show HN: Bit Serial CPU