Changes
8255
,/* PPI Control with Bit7=1 */
=== PPI Control with Bit7=1 ===
Otherwise, if Bit 7 is "1" then the other bits will initialize Port Group Modes and Ports A-B -Cupper-Clower as Input or Output:
Bit 0 IO-Cl Direction for Port C, lower bits (always 0=Output in CPC)
