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Update README.md how to compile

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Updte the "compiling" chapter
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MaDill
2026-02-15 09:13:53 +01:00
committed by GitHub
parent b67e3eb602
commit 4d11d70356
1 changed files with 6 additions and 11 deletions
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README.md
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@@ -56,20 +56,15 @@ device simulator is provided, which runs entirely under Linux as a local webserv
Install the following particular build requisites (Debian 12/13), note that Ubuntu 24.04
still has an older version of sdcc, but you will need sdcc version 4.5 for the code to compile:
```
sudo apt install sdcc xxd python-is-python3 libjson-c-dev
sudo apt install --yes git make gcc sdcc xxd python-is-python3 libjson-c-dev
```
Edit machine.h to adjust select the machine the firmware should build for.
```
nano machine.h
```
Now, building the firmware image should work:
```
$ make
sdas8051 -plosgff crtstart.asm
sdcc -mmcs51 -c rtlplayground.c
sdcc -mmcs51 -c rtl837x_flash.c
sdcc -mmcs51 -Wl-bHOME=0x100 -o rtlplayground.ihx crtstart.rel rtlplayground.rel rtl837x_flash.rel
objcopy --input-target=ihex -O binary rtlplayground.ihx rtlplayground.img
if [ -e rtlplayground.bin ]; then rm rtlplayground.bin; fi
echo "0000000: 00 40" | xxd -r - rtlplayground.bin
cat rtlplayground.img >> rtlplayground.bin
$ make
```
Note, that the image generated ends in .bin, not .img, in order to make
IMSProg happy.