Computer have no any differences with CPC6128 instead of 192KB memory and one addtional register with let switch to MSX mode.
The interrupts can't be manually cleared. This was possible on the CPC by writing to the Gate Array with data bit 7 set 1, bit 6 set to 0 and bit 4 set to 1. This bit on the Aleste is used for a LED.
==MSX Mode==