The #pasmo assembler has this really neat feature where it'll accept #z80 opcodes and then do its best to emit equivalent #Intel8086 instructions. Effectively, this is the "assembly-level" forward compatibility that Intel advertised for migrating code from 8080 to 8086.

It certainly isn't perfect - a few instructions are unimplemented and have to be manually fixed, and I'm not sure I've caught all the subtle bugs where flags behave differently ... but, here's Palo Alto TinyBasic running on #MartyPC under DOS, in only a few hours work!

#retrocomputing #basic #TinyBasic

#TodayILearned that #Intel actually has the official PCI vendor ID 0x8086 😎

https://admin.pci-ids.ucw.cz/read/PC/8086

#x86 #Intel8086

Un día como hoy, 8 junio 1978, nació el Intel 8086. Este chip de 16 bits permitió 1MB de RAM. Su hermano 8088 fue el cerebro del IBM PC, que cambió la historia de la computación para siempre #retrocomputingmx #Intel8086 #x86 #ibmpc #microprocesadores #HistoriaTech

https://retrocomputingmx.com/36v7

The Legacy of the 8086 Microprocessor in Embedded & Automotive Systems

Join yours Educational open Source community
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#8086Microprocessor #EmbeddedSystems #AutomotiveElectronics #MicroprocessorArchitecture #x86Architecture #Intel8086 #RealTimeSystems #MemorySegmentation #AssemblyLanguage #PiEmbSysTech #AutomotiveDiagnostics #ECUDevelopment #FirmwareEngineering #EmbeddedDesign

Sean Haas of @adventofcomputing has a fascinating episode out about #IDRIS, a reimplementation of #UNIX for a variety of early personal computers with #Intel8086, #Motorola68000 CPUs as well as #DEC #PDP11. Bizarrely, the OS seems mostly lost.

adventofcomputing: Episode 149 - IDRIS is Not UNIX

https://www.patreon.com/posts/episode-149-is-119316624

https://en.m.wikipedia.org/wiki/Idris_(operating_system)

A version of IDRIS that starts from #DOS is available on GitHub, though!

https://github.com/hansake/Whitesmiths-Idris-OS/tree/main/co-idris_setup

#RetroComputing

46 років архітектурі x86 — процесор Intel 8086 представлений 8 червня 1978 року https://itc.ua/ua/novini/46-rokiv-arhitekturi-x86-protsesor-intel-8086-predstavlenyj-8-chervnya-1978-roku/ #Технології #Intel8086 #Процесори #Пристрої #ретро-ПК #Новини #Intel #CISC #x86

Found a #commodore #pc 10-III - and it's still alive!
640 Kb RAM
2 x 360 Kb 5,25" #floppy
#Intel8086
#vintagecomputing

Non-exaustive list, more or less in (edit here) the chronological order I used them in my professional or student lives...

#BASIC
#C
#MC6809
#Z80
#Pascal
#COBOL
#ADA
#REXX
#Lisp
#TurboPascal
#dBase / #Clipper
#Delphi
#C++
#VisualBasic
#VBScript / #ASP (not the .net)
#SQL
#Intel8086
#386
#awk
#Perl
#Java
#JavaScript
#Ruby
#R
#RakuLang
#Rust

De 0 a 1MB e adiante

https://retropolis.com.br/2024/02/22/de-0-a-1mb-e-adiante/

#MundoRetro #DOSExtenders #EMS #IbmPc #Intel80286 #Intel80386 #Intel8086 #MSDOS #PCDOS #XMS

Repórter Retro 099

https://retropolis.com.br/2023/12/27/reporter-retro-099/

#ReprterRetro #AdrianBlack #Amiga500 #AmstradCpc #AnimaOClube #atari #AtariSt #BASIC #bug #Canal3 #CommodoreMAX #CP400 #DEC #DECRainbow #educacional #EncontroDeUsurios #fail #Ferranti #GamesRJ #geek #hacker #IBMPCjr #Intel80186 #Intel8086 #Laser200 #ManchesterTC #microsoft #MicrosoftBASIC #MSDOS #nerd #NoelLlopis #PreComputer1000 #RetroHackShack #SayakasDigitalAttic #Tandy2000 #TeoriaDaConspirao #Timex2068 #Transpu

Intel v. NEC : The Case of the V20’s Microcode https://hackaday.com/2023/11/07/intel-v-nec-the-case-of-the-v20s-microcode/ #ReverseEngineering #computerhacks #Intel8086 #intel8088 #microcode #necv20

Linux (ou “Linux”) para micros de 8 e 16 bits!

https://retropolis.com.br/2023/10/09/linux-ou-linux-para-micros-de-8-e-16-bits/

#MundoRetro #6502 #6800 #68000 #6809 #AlanCox #arm #ELKS #Fuzix #Intel8086 #Intel8088 #Linux #SistemasOperacionais #TheRegister #UNIX #ZilogZ80

Repórter Retro 094

https://retropolis.com.br/2023/07/31/reporter-retro-094/

#ReprterRetro #6809 #AdrianBlack #Amiga #Assembler #Assembly #Batman #Bendix #Castlevania #Centurion #Commodore64 #DanteMendes #Dragon32 #Dragon64 #DragonData #Fashion #FitaCassete #Gales #GreenBeret #Hackaday #Hayes #industrial #Intel8086 #ISA #Japo #MattelAquarius #modem #MSX2 #NoelLlopis #SharpMZ #TexasInstrumentsTI994A #TheRegister #TheTaylorAndAmyShow #Under4MHz #UsagiElectric #vlvulas

When I was young and stupid and used it as decoration. #intel8086 #intel #8086

Our first task in the microprocessor and microcontroller lab was to 🥁🥁🥁….
Add two numbers on the intel 8086 microprocessor
#university #assembly #cse #processor #intel8086

Our professor started off the lecture by giving an example of the Intel 8086’s segmented memory: code, stack, extra and data. It was interesting to see Intel 8086 discussed here, something I recently saw on Mastodon, being taught at university.
cc @codewiz
#university #compsci #cse #Intel8086

Fascinating post by Ken Shirriff on this circuit design.

"The 8086 microprocessor is one of the most important chips ever created [...] I've been reverse-engineering its circuitry by studying its silicon die. One of the most unusual circuits I found is a "bootstrap driver", a way to boost internal signals to improve performance."

https://www.righto.com/2022/11/the-unusual-bootstrap-drivers-inside.html

#Intel #Intel8086 #Microprocessors #Electronics

Fascinating details, including how the arithmetic unit can be used for logic operations.

"The arithmetic logic unit is the heart of a processor: it performs arithmetic operations such as addition and subtraction. It also carries out Boolean logic operations such as bitwise AND and OR as well as also bit shifts and rotates."

http://www.righto.com/2020/08/reverse-engineering-8086s.html

#Intel #Intel8086 #Microprocessors #Engineering #Technology #CPUs

I had fun times routing PCBs in the old days. Routing is more complicated in chips, of course. Post by Ken Shirriff

"While a modern processor might have 15 layers of metal wiring, chips from the 1970s such as the 8086 had just a single layer of metal, making routing a challenge. Similarly, clock signals must be delivered to all parts of the chip to keep it in synchronization."

http://www.righto.com/2020/08/how-8086-processor-handles-power-and.html

#CPUs #Intel #Microprocessors #Engineering #Intel8086 #ComputerHistory #RetroComputing