Reverse engineered Apple II hardware
The IC labeled “1982NNCE” and designated U35 on the schematic is a 74187, which is a fast 256 by 4-bit ROM. On the Accelerator II card it is being used to store the truth table of four logic functions used for address decoding.
Truth table:
EXT_LANGCARD_SOFTSW (A7) | LANGCARD_ACCESS_EN (A6) | LA15 (A5) | LA14 (A2) | LA13 (A3) | LA12 (A1) | LR/W (A4) | DRAM_CYCLE (DO1) | |
---|---|---|---|---|---|---|---|---|
0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | |
0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |
0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | |
0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | |
0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | |
0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | |
0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | |
0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | |
0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | |
0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | |
0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | |
0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | |
0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | |
0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | |
0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | |
0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | |
0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | |
0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | |
0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | |
0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | |
0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | |
0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | |
0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | |
0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | |
0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | |
0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | |
0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | |
0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | |
0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | |
0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | |
0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | |
0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | |
0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | |
0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | |
0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | |
0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | |
0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | |
0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | |
0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | |
0 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | |
0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | |
0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | |
0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | |
0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | |
0 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | |
0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | |
0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |
0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | |
0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | |
0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | |
0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |
0 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | |
0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | |
0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | |
0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | |
0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | |
0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | |
0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | |
0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | |
0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | |
0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | |
1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |
1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | |
1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | |
1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | |
1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | |
1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | |
1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | |
1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | |
1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | |
1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | |
1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | |
1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | |
1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | |
1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | |
1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | |
1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | |
1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | |
1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | |
1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | |
1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | |
1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | |
1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | |
1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | |
1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | |
1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | |
1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | |
1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | |
1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | |
1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | |
1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | |
1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | |
1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | |
1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | |
1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | |
1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | |
1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | |
1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | |
1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | |
1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | |
1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | |
1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | |
1 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | |
1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | |
1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | |
1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | |
1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |
1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | |
1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | |
1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | |
1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |
1 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | |
1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | |
1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | |
1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | |
1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | |
1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | |
1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | |
1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | |
1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
Truth table:
LA15 (A5) | LA14 (A2) | LA13 (A3) | LA12 (A1) | ADDR_PAGE_Cx (DO2) | |
---|---|---|---|---|---|
0 | 0 | 0 | 0 | 0 | |
0 | 0 | 0 | 1 | 0 | |
0 | 0 | 1 | 0 | 0 | |
0 | 0 | 1 | 1 | 0 | |
0 | 1 | 0 | 0 | 0 | |
0 | 1 | 0 | 1 | 0 | |
0 | 1 | 1 | 0 | 0 | |
0 | 1 | 1 | 1 | 0 | |
1 | 0 | 0 | 0 | 0 | |
1 | 0 | 0 | 1 | 0 | |
1 | 0 | 1 | 0 | 0 | |
1 | 0 | 1 | 1 | 0 | |
1 | 1 | 0 | 0 | 1 | |
1 | 1 | 0 | 1 | 0 | |
1 | 1 | 1 | 0 | 0 | |
1 | 1 | 1 | 1 | 0 |
Truth table:
EXT_LANGCARD_SOFTSW (A7) | LANGCARD_ACCESS_EN (A6) | LA15 (A5) | LA14 (A2) | LA13 (A3) | LA12 (A1) | LA10_XOR_LA11 (A0) | LR/W (A4) | EXT_BUS_CYCLE0 (DO3) | |
---|---|---|---|---|---|---|---|---|---|
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |
0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | |
0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | |
0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | |
0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | |
0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | |
0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | |
0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | |
0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | |
0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | |
0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | |
0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | |
0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | |
0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | |
0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | |
0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | |
0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | |
0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | |
0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | |
0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | |
0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | |
0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | |
0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | |
0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | |
0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | |
0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | |
0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | |
0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | |
0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | |
0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | |
0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | |
0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | |
0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | |
0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | |
0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | |
0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | |
0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | |
0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | |
0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | |
0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | |
0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | |
0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | |
0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |
0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | |
0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | |
0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | |
0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |
0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | |
0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | |
0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | |
0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | |
0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | |
0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | |
0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | |
0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | |
0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | |
0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | |
0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |
0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | |
0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | |
0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | |
0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | |
0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | |
0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | |
0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | |
0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | |
0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | |
0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | |
0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | |
0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | |
0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | |
0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
0 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | |
0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | |
0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | |
0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | |
0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | |
0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | |
0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | |
0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | |
0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | |
0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | |
0 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | |
0 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | |
0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | |
0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | |
0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | |
0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | |
0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | |
0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | |
0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | |
0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | |
0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | |
0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | |
0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | |
0 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | |
0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | |
0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | |
0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | |
0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | |
0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |
0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | |
0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | |
0 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | |
0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | |
0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | |
0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | |
0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | |
0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | |
0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | |
0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | |
0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | |
0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | |
0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | |
0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | |
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |
1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | |
1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | |
1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | |
1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | |
1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | |
1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | |
1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | |
1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | |
1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | |
1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | |
1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | |
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | |
1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | |
1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | |
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | |
1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | |
1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | |
1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | |
1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | |
1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | |
1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | |
1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | |
1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | |
1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | |
1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | |
1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | |
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | |
1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | |
1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | |
1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | |
1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | |
1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | |
1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | |
1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | |
1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | |
1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | |
1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | |
1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | |
1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | |
1 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | |
1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | |
1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |
1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | |
1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | |
1 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | |
1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | |
1 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | |
1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | |
1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | |
1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
1 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | |
1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | |
1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | |
1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | |
1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | |
1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | |
1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | |
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |
1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | |
1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | |
1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | |
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | |
1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | |
1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | |
1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | |
1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | |
1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | |
1 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | |
1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | |
1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | |
1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | |
1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | |
1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | |
1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | |
1 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | |
1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | |
1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | |
1 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | |
1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | |
1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | |
1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | |
1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | |
1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | |
1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | |
1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | |
1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | |
1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | |
1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | |
1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | |
1 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | |
1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | |
1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | |
1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | |
1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | |
1 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | |
1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | |
1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | |
1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | |
1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | |
1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |
1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | |
1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | |
1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | |
1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |
1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | |
1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | |
1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | |
1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | |
1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | |
1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | |
1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | |
1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | |
1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Truth table:
EXT_LANGCARD_SOFTSW (A7) | LANGCARD_ACCESS_EN (A6) | LA15 (A5) | LA14 (A2) | LA13 (A3) | LA12 (A1) | ~FAST_LANGCARD_PAGE_Dx (DO4) | |
---|---|---|---|---|---|---|---|
0 | 0 | 0 | 0 | 0 | 0 | 1 | |
0 | 0 | 0 | 0 | 0 | 1 | 1 | |
0 | 0 | 0 | 0 | 1 | 0 | 1 | |
0 | 0 | 0 | 0 | 1 | 1 | 1 | |
0 | 0 | 0 | 1 | 0 | 0 | 1 | |
0 | 0 | 0 | 1 | 0 | 1 | 1 | |
0 | 0 | 0 | 1 | 1 | 0 | 1 | |
0 | 0 | 0 | 1 | 1 | 1 | 1 | |
0 | 0 | 1 | 0 | 0 | 0 | 1 | |
0 | 0 | 1 | 0 | 0 | 1 | 1 | |
0 | 0 | 1 | 0 | 1 | 0 | 1 | |
0 | 0 | 1 | 0 | 1 | 1 | 1 | |
0 | 0 | 1 | 1 | 0 | 0 | 1 | |
0 | 0 | 1 | 1 | 0 | 1 | 1 | |
0 | 0 | 1 | 1 | 1 | 0 | 1 | |
0 | 0 | 1 | 1 | 1 | 1 | 1 | |
0 | 1 | 0 | 0 | 0 | 0 | 1 | |
0 | 1 | 0 | 0 | 0 | 1 | 1 | |
0 | 1 | 0 | 0 | 1 | 0 | 1 | |
0 | 1 | 0 | 0 | 1 | 1 | 1 | |
0 | 1 | 0 | 1 | 0 | 0 | 1 | |
0 | 1 | 0 | 1 | 0 | 1 | 1 | |
0 | 1 | 0 | 1 | 1 | 0 | 1 | |
0 | 1 | 0 | 1 | 1 | 1 | 1 | |
0 | 1 | 1 | 0 | 0 | 0 | 1 | |
0 | 1 | 1 | 0 | 0 | 1 | 1 | |
0 | 1 | 1 | 0 | 1 | 0 | 1 | |
0 | 1 | 1 | 0 | 1 | 1 | 1 | |
0 | 1 | 1 | 1 | 0 | 0 | 1 | |
0 | 1 | 1 | 1 | 0 | 1 | 0 | |
0 | 1 | 1 | 1 | 1 | 0 | 1 | |
0 | 1 | 1 | 1 | 1 | 1 | 1 | |
1 | 0 | 0 | 0 | 0 | 0 | 1 | |
1 | 0 | 0 | 0 | 0 | 1 | 1 | |
1 | 0 | 0 | 0 | 1 | 0 | 1 | |
1 | 0 | 0 | 0 | 1 | 1 | 1 | |
1 | 0 | 0 | 1 | 0 | 0 | 1 | |
1 | 0 | 0 | 1 | 0 | 1 | 1 | |
1 | 0 | 0 | 1 | 1 | 0 | 1 | |
1 | 0 | 0 | 1 | 1 | 1 | 1 | |
1 | 0 | 1 | 0 | 0 | 0 | 1 | |
1 | 0 | 1 | 0 | 0 | 1 | 1 | |
1 | 0 | 1 | 0 | 1 | 0 | 1 | |
1 | 0 | 1 | 0 | 1 | 1 | 1 | |
1 | 0 | 1 | 1 | 0 | 0 | 1 | |
1 | 0 | 1 | 1 | 0 | 1 | 1 | |
1 | 0 | 1 | 1 | 1 | 0 | 1 | |
1 | 0 | 1 | 1 | 1 | 1 | 1 | |
1 | 1 | 0 | 0 | 0 | 0 | 1 | |
1 | 1 | 0 | 0 | 0 | 1 | 1 | |
1 | 1 | 0 | 0 | 1 | 0 | 1 | |
1 | 1 | 0 | 0 | 1 | 1 | 1 | |
1 | 1 | 0 | 1 | 0 | 0 | 1 | |
1 | 1 | 0 | 1 | 0 | 1 | 1 | |
1 | 1 | 0 | 1 | 1 | 0 | 1 | |
1 | 1 | 0 | 1 | 1 | 1 | 1 | |
1 | 1 | 1 | 0 | 0 | 0 | 1 | |
1 | 1 | 1 | 0 | 0 | 1 | 1 | |
1 | 1 | 1 | 0 | 1 | 0 | 1 | |
1 | 1 | 1 | 0 | 1 | 1 | 1 | |
1 | 1 | 1 | 1 | 0 | 0 | 1 | |
1 | 1 | 1 | 1 | 0 | 1 | 1 | |
1 | 1 | 1 | 1 | 1 | 0 | 1 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 |