A poorly written OS for the x86 arch. (WIP)
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eOS/src/bootloader.asm

31 lines
674 B

[org 0x7c00] ; bootsector
mov bx, welcomeString ; Print the welcome string
call println
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mov bx, infoString ; Print version info
call println
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mov bx, hexTestPrefixString ; Hex print test (not needed but fun)
call print
mov dx, 0x002e ; test the conversion
call hexToASCII
call println
jmp $ ; inf loop
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; Load the EQUs
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%include "equ/BIOS.asm"
%include "equ/ASCII.asm"
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; SRs
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%include "elib/io.asm"
%include "elib/convert.asm"
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welcomeString: db "Welcome to: e Operating-System (eOS)", ASCII_END
infoString: db "Version 2021 0.0", ASCII_END
hexTestPrefixString: db "Hex printing test: ", ASCII_END
times 510-($-$$) db 0
db 0x55, 0xaa ; magic BIOS numbers