Added the ability to work bootBASIC in BIOS ROM. #3
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I slightly modified the code so that it was possible to generate a ROM image. Work tested on real hardware. You can check it yourself:
gcc addchecksum.c -o addchecksumnasm -f bin basic.asm -Dbootrom -o basic.rom./addchecksum basic.rom || rm basic.romqemu-system-i386 -net none -option-rom basic.romThe video demonstrates the work. Sorry that it is in Russian, but I think everything is clear there and without translation. The checksum calculation code is taken from project AHCI BIOS.