#target TZX

0x13: Sequence of pulses of various lengths

#tzx PULSES
    Pseudo instructions: defw, dw, .dw, .word
8080 pseudo instructions: DWdw  NN, ...

This block stores up to 255 individual pulses. It can be used to create custom sync pulses after block 0x12 with a custom pilot tone. The pulse length is based on ZX Spectrum clock cycles. (3.5MHz)