7.0 SUMMARY OF OP CODES AND EXECUTION TIMES
The following section gives a summary of the Z-80 instructions set. The instructions are logically arranged
into groups as shown on tables 7.0-1 through 7.0-11. Each table shows the assembly language mnemonic
OP
code, the actual
OP
code, the symbolic operation, the content of the flag register following the execu-
tion of each instruction, !..he number of bytes required for e.ach instruction as well as the number of memory
cycles and the total number of T states (external clock periods) required for the fetching and execution of
each instruction. Care has been taken to make each table self-explanatory without requiring any cross refer-
ence with the test or other tables.
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