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| I/O | PIN No | I/O | PIN No | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FROM Z88 SE1 | I | E | 1 | 1 | 0 | 0 | 0 | 0 | FROM Z88 ROE | I | E | 15 | 1 | 0 | 0 | 0 | 0 | |
| FROM Z88 MA19 | I | A0 | 2 | X | 1 | 0 | 1 | 0 | FROM Z88 SE1 | I | A0 | 14 | X | 1 | 0 | 1 | 0 | |
| LOGIC 0 - 0v | I | A1 | 3 | X | 1 | 1 | 0 | 0 | LOGIC 0 - 0v | I | A1 | 13 | X | 1 | 1 | 0 | 0 | |
| TO RAM CE | O | Y0 | 4 | 1 | 1 | 1 | 1 | 0 | TO FLASH ROE_S | O | Y0 | 12 | 1 | 1 | 1 | 1 | 0 | |
| TO FLASH CE | O | Y1 | 5 | 1 | 1 | 1 | 0 | 1 | O | Y1 | 11 | 1 | 1 | 1 | 0 | 1 | ||
| O | Y2 | 6 | 1 | 1 | 0 | 1 | 1 | O | Y2 | 10 | 1 | 1 | 0 | 1 | 1 | |||
| O | Y3 | 7 | 1 | 0 | 1 | 1 | 1 | O | Y3 | 9 | 1 | 0 | 1 | 1 | 1 |
Conclusion
It has been a long journey to get to this point. Further testing will be done before reporting that a hardware solution has been found.
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