rasp/src/libvm/examples/deadbeef.asm

.section data $0x1000 {
    dead: .u16 $0xDEAD
    beef: .u16 $0xBEEF

    .export dead
    .export beef
}

.section code $0x0 {
    main:
        mov %ivt, ivt
        or %flags, $0b100
        mov %r0, $0xDEAD
        shl %r0, $16
        ; move 32 bits at 'beef' to %r01
        ; TODO(syntax)
        mov %r1, (beef)u32
        or %r0, %r01
        cmpeq %r0, $0xDEADBEEF
        ; jump to the address 'end'
        jnz end
        mov %status, $1
    end:
        div %r0, $0
        halt
    .export main

}

.section iv $0x2800 {
    dz:
        mov %status, $255
        halt

    .export dz
}

.section ivt $0x2000 .. $0x2800 {
    ivt:
    .interrupt $1, dz               ; Divide by zero

    .export ivt
}

.meta {
    entry: main
}