Да, пожалуй снимет:

Код:
#98-#9B 	VDP / Video Display Processor / TMS9918A / V9938 / V9958

PSG / AY-3-8910 / YM2149
These are the I/O registers for accessing the MSX PSG (Programmable Sound Generator):
Port range 	Description
#A0 (write) 	Register write port
#A1 (write) 	Value write port
#A2 (read) 	Value read port

#A9 (read) 	PPI-register B
Keyboard matrix row input register.
#AA 	PPI-register C
Keyboard and cassette interface.

PPI-register C (#AA) Bits 	Description
0-3 	Keyboard matrix row select register.
Matrix row can be read from PPI-register B (#A9).
4 	Cassette motor control. 1 = off.
5 	Cassette write signal. 1 = high.
6 	Keyboard CAPS LED. 1 = off.
7 	1-bit key click sound output. 1 = high.
А вот это что такое: #60-#6F Graphics9000 / V9990
?