rdos/boot/kernel.asm

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org 0x7C00
main: push cs
pop ds
mov si, msg
mov ah, 0x0e
xor bx, bx
loop: lodsb
test al, al
jz end
int 0x10
jmp loop
end: hlt
jmp end
align 2048
msg: db "rdos kernel stub", 0x0A, 0x0D, 0