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Table of Contents

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greetings

links to software

hardware

install

check it works

now the fix

outro

0 greetings

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continuation from episode 4388, review of the book the Arduino

1 links to software

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https://github.com/PeterForth/DR-TING-OFFETE-SVFIG-MIRROR,

https://github.com/Ro5bert/avra,

https://www.engbedded.com/fusecalc/,

https://github.com/avrdudes/avrdude,

https://github.com/oh2aun/flashforth,

2 hardware

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programmer, avrisp2 recommended, build your own

https://www.hackerpublicradio.org/eps/hpr2799/index.html

Arduino UNO R3, Arduino Nano

3 install

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download 2159_328eforth.zip unzip that file then cd into it

build assembler file, avra 328eforth220.asm

50+ warnings that avra generates because it pads out the words

with null characters in order to get the write size for each

an over view of whats going on in the build process

flashing process from the book,

avrdude -p m328p -c avrisp2 -e -U flash:w:328eforth220.hex:i -U

what i use,

avrdude -p m328p -c avrisp2 -e -U flash:w:328eforth220.hex:i -U

4 check it works

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open terminal and plug in board, or reset board you should see,

328eforth v2.20 if you hit the return key you'll get an ok

5 now the fix

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clues from turnkey

flush+

: flush+ ( -- )

context @ context i!

cp @ cp i!

dp @ dp i!

last @ last i!

flush

;

\ flush+ at the terminal prompt saves words,updates the memory

\ saving words across reboots

now you can save newly defined words across reboots

6 outro

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