rasp/tests/test_bitwise.asm

.section data 0x0 {
    flags: .u8 0b1001

    main:
        ; Test bit and
        mov %status, 1
        mov %r0, 0b1000
        and %r0, (flags)u8
        cmpeq %r0, 0b1000
        jz end
    
        ; Test shift right
        mov %status, 2
        shr %r0, 2
        cmpeq %r0, 0b0010
        jz end

        ; Test bit and
        mov %status, 3
        and %r0, (flags)u8
        cmpeq %r0, 0
        jz end

        ; Test bit or
        mov %status, 4
        or %r0, (flags)u8
        cmpeq %r0, (flags)u8
        jz end

        ; Test bit or
        mov %status, 5
        or %r0, 0b10
        cmpeq %r0, 0b1011
        jz end

        ; Test shift left
        mov %status, 6
        shl %r0, 1
        cmpeq %r0, 0b10110
        jz end

        ; Test xor
        mov %status, 7
        xor %r0, %r0
        cmpeq %r0, 0
        jz end

        ; Test xor
        mov %status, 8
        mov %r0, 0b1000
        xor %r0, (flags)u8
        cmpeq %r0, 1
        jz end

        ; Test inv
        mov %status, 9
        ; TODO : destination size - the line below inverts all 64 bits instead of the source 8 bits
        ; inv %r0, (flags)u8
        inv (flags)u8, (flags)u8
        cmpeq (flags)u8, 0b11110110
        jz end

        ; Test inv again (reset flags to their previous value)
        mov %status, 10
        inv (flags)u8, (flags)u8
        cmpeq (flags)u8, 0b00001001
        jz end
        
        mov %status, 0
    end:
        halt

    .export main
}

.meta {
    ip: main
}