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cartesian product stuff about computing mostly stuff about computing mostly skip to content cartesian product stuff about computing mostly about my phd research binsic is not sinclair instruction code stuff about computing mostly thinking about what to do here it has been a considerable time since i updated this blog back in january 2023 i got ill first with covid then with something else that was respiratory related and which i assumed to be some sort of long covid related illness but which eventually turned out to be stage 4 lung cancer getting that news in read more aug 28 2026 further thoughts on forth and riscyforth in particular and life it s now two years since i began my riscyforth project of writing a forth for risc v single board computers but it wasn t until yesterday that i wrote my first serious useful if you like this sort of thing program for it a version of conway s game of life this program wasn t as long as the unit read more jan 1 2023 game of life animation i ve made some improvements to the program and so here s an animation of the output read more dec 31 2022 conway s game of life in forth forty one years after i wrote my first version of this in z80 machine code for the zx80 zx81 here s the latest in forth riscyforth for a risc v sbc this is hot off the editor so can no doubt be optimised but i am pretty pleased with it read more dec 30 2022 write only a simple program translated from c to forth the old joke is that forth is a write only language in other words you can write this stuff but you cannot understand it and hence maintain it of course any endorsement of this view is regarded as a heresy amongst many in the forth community but i have to admit that sometimes the forth bashers have read more dec 20 2022 does coding have a future today is for me the last working day of the year and i was able to finish with a small triumph successfully solving several programming conundrums that have eaten into my time over a number of weeks the technology involved python is not one i have had much experience with and only read more dec 16 2022 evidence suggests vaccination does cut spread of omicron earlier this week i noticed that some anti vax propagandists have a new line of attack they aren t denying that vaccination protects you against severe illness from covid but they are saying that it is false to claim that vaccination limits the spread of the disease and hence its also wrong to insist that people read more nov 19 2022 new release of riscyforth there is a new release 0 7 of riscyforth my forth for risc v based single board computers available riscyforth 0 7 this release adds significant support for 64 bit ieee754 floating point numbers to broadly match the 2012 forth standard the implementation of the forth floating point word set isn t yet quite complete and riscyforth does read more nov 13 2022 the unreasonable ineffectiveness of arithmetic with floating point numbers eugene wigner s wrote a famous short essay the unreasonable effectiveness of mathematics in the natural sciences in 1960 to be honest i find it slightly underwhelming to me mathematics is the abstraction from physical reality and not as might be implied by wigner that our physical universe is a concretised subset of a read more oct 15 2022 floating point finally what is floating point how do you represent a number like in a compressed and useful way in binary any computer science student will be able to tell you that you use a floating point representation and like me a couple of months ago could probably move on to a hand wavy explanation that you stored read more sep 17 2022 next page blog at wordpress com subscribe subscribed cartesian product stuff about computing mostly join 220 other subscribers sign me up have a wordpress com account log in now privacy cartesian product stuff about computing mostly view site in reader manage subscriptions sign up log in report this content collapse this bar create your own website free on wordpress com create your own website start free