Changes

8255

No change in size, 28 March

/* PPI Control */

=== PPI Control with Bit7=0 ===

~~Otherwise, if~~ If Bit 7 is "0" then the register is used to set or clear a single bit in Port C:

Bit 0 B New value for the specified bit (0=Clear, 1=Set)

=== PPI Control with Bit7=1 ===

If Otherwise, if Bit 7 is "1" then the other bits will initialize Port A-B as Input or Output:

Bit 0 IO-Cl Direction for Port C, lower bits (always 0=Output in CPC)

8,323

edits