# Atari TIA instrument editor The TIA instrument editor consists of these macros: - **Volume**: volume sequence. - **Arpeggio**: pitch sequence. - note: fixed mode works differently. it sets the frequency directly rather than the note, so it only goes from 0 to 31. - **Waveform**: selects waveform to be used: - `0`: nothing - `1`: buzzy - `2`: low buzzy - `3`: flangy - `4`: square - `5`: square - `6`: pure buzzy - `7`: reedy - `8`: noise - `9`: reedy - `A`: pure buzzy - `B`: nothing - `C`: low square - `D`: low square - `E`: low pure buzzy - `F`: low reedy - **Pitch**: "fine" pitch. fine in quotes as TIA doesn't have true pitch control at all.