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

35 lines
615 B

[org 0x7c00] ; bootsector
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mov bx, welcomeString ; Print the welcome string
call println
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mov bx, infoString
call println
mov bx, hexTestPrefixString
call print
mov dx, 0x002e ; test the conversion
call hexToASCII
call println
jmp $ ; inf loop
;; includes
; EQU
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%include "equ/BIOS.asm"
%include "equ/ASCII.asm"
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; eLIB
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%include "elib/io.asm"
%include "elib/convert.asm"
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;; Data
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
; Magic BIOS number
times 510-($-$$) db 0
db 0x55, 0xaa