PSG Register R7
The upper 8 bits of period for the envelope generator. See PSG Envelope Generator for more information.
0000:0000:pppp:pppp where: pppppppp indicates the upper 8 bits of 16-bit period for the envelope generator
The upper 8 bits of period for the envelope generator. See PSG Envelope Generator for more information.
0000:0000:pppp:pppp where: pppppppp indicates the upper 8 bits of 16-bit period for the envelope generator