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Unprotect Sidekick 1.10A. by Independent (IND)

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This procedure will unprotect the version 1.10A of SIDEKICK.

Many thanks to the individual who provided the procedure
for the version 1.00A.

The only major difference between the two versions is the offset
address of the instructions to be modified.

Using DEBUG on SK.COM, NOP out the CALL 8C1E at location 07CA ----+
                                                                  |
Change the OR  AL,AL at 07D9 to  OR  AL,01 --------+              |
                                                   |              |
......and that's it!                               |              |
                                                   |              |
                     (BEFORE ZAP)                  |              |
78A7:07CA E85184        CALL    8C1E <----------------------------+
78A7:07CD 2E            CS:                        |              |
78A7:07CE 8E163E02      MOV     SS,[023E]          |              |
78A7:07D2 2E            CS:                        |              |
78A7:07D3 8B264002      MOV     SP,[0240]          |              |
78A7:07D7 1F            POP     DS                 |              |
78A7:07D8 59            POP     CX                 |              |
78A7:07D9 0AC0          OR      AL,AL   <----------+              |
                                                   |              |
                     (AFTER ZAP)                   |              |
78A7:07CA 90            NOP         <-----------------------------+
78A7:07CB 90            NOP         <-----------------------------+
78A7:07CC 90            NOP         <-----------------------------+
78A7:07CD 2E            CS:                        |
78A7:07CE 8E163E02      MOV     SS,[023E]          |
78A7:07D2 2E            CS:                        |
78A7:07D3 8B264002      MOV     SP,[0240]          |
78A7:07D7 1F            POP     DS                 |
78A7:07D8 59            POP     CX                 |
78A7:07D9 0C01          OR      AL,01   <----------+
→59            POP     CX                 |
78A7:07D9 0C01          OR      AL,01   <----------+