Changes
/* 100pin Gate Array AMS40226 (ARN4) */
== 100pin Gate Array AMS40226 (ARN4) ==
Pre-ASIC (late cost-down models).
See CPC6128 "ULA/DS" section in service manualAmendment Service Manual.
Aside from Gate Array, it includes CRTC, probably PAL, FDC select/motor, DRAM
addr/data bus, RESET signals.
