ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion
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<wens> there's likely no market for PC-comparable ARM64 chips in PC-like devices
<wens> PCs are already on the decline
<wens> Apple M1 being the outlier, but it's a closed ecosystem
<wens> also, GNU Linux doesn't really sell chips :p
<mps> wens: yes, arm chips are less power hungry than intel and people moving from desktops to notebooks, not to mention phone market where arm shines
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<mps> arm roots are in 6502 cpu which was risc like while intel is cisc 'classic'
<mps> I can't recall now any 6502 cisc instruction (time is going and memory is fading away)
<anarsoul> mps: but 6502 had only 3 general purpose registers, its ISA isn't even close to ARM
<mps> anarsoul: right, but it was as base for ACORN cpu and ACORN as base for ARM, this is some kind of 'evolution'
<mps> I forgot exact history
<mps> iirc 6502 had A and B general purpose registers, where A means accumulator and B auxillary
<mps> hmm, I should look again if I could find my old book in garage
<mps> Acorn RISC Machine = ARM, later renamed to Advanced RISC Machine = again ARM shorthand
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<CounterPillow> Thankfully ARM has decisively moved away from the RISC idiocy
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<mps> Lilliput vs Blefuscu
<psydroid> it doesn't look like RISC anymore and has decidedly transcended the whole paradigm
<psydroid> that's why ARM chips rock and why they are called rockchips
<mps> and riscv is cisc ;)
<mps> imo, best designed CPU was NC4016 (rtx 2000 is successor) which is FORTH cpu
<mps> but all best things are not good things for big and money hungry companies
<Jmabsd> mps: why forth cpu good?
<mps> Jmabsd: first and foremost efficiency
<mps> at 8MHz it can execute 13 million of instructions
<mps> it has separate data and return pointer stacks, which is just this year added to gcc and it is software implementation and not hardware
<mps> and a lot more, which would be OT here
<Jmabsd> cool ic.
<mps> forth lang is 'problem' because it requires good programmer and strong discipline in programming
<mps> forth is used in NASA, JPL (Jet Propulsion Lab), astronomy, Israeli jet fighters and more real-time and critical systems
<maz> mps: the 6502 never had a 'B' register. you must be confusing it with the 6809.
<mps> maz: right, it have X and Y
<mps> long time passed when I worked with it and memory faded away
<maz> mps: but these are not general purpose registers. they are index regs.
<maz> you can't accumulate to them.
<mps> again right
<mps> but I forgot most of its architecture details
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<mps> only what I remember is that it simple and efficient, I designed industrial computer with it long ago
<mps> iirc first apple computer also used it
<maz> simple, efficient, and buggy. what's not to love! ;-)
<maz> a pretty accurate description of most ARM CPUs, btw!
<mps> well, there is cpu without bugs in this world :)
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