File: opcode.dat.format

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opcode="asm"
 t="t-states[/t-states for branching/cyclic cmd, if it succeded (changes PC)]"
 [rd="delay in t-states before RD goes active for memory/port operation (first byte)"[, -//- second byte]]
 [wr="delay in t-states before WR goes active for memory/port operation (first byte)"[,-//- second byte]]

in mnemonics:

@ - word
# - byte
$ - displacement for IX/IY+d
% - jump offset