sh-dis/sh4/ADD #imm,Rn
Zack Buhman 4a165d02ed sh4: fix documentation typos for SH2 instructions
These changes fix logical consistency and correctness issues with the
instruction definitions as printed in the SH4 manual.

The most serious issues were:

- div0u/div0s/div1 use `m` as a temporary variable which
  contradicts the existence of the `m` register number

- missing semicolons

- inconsistent references to immediate and displacement variable names
2024-04-22 20:42:22 +08:00

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0111nnnniiiiiiii
imm ← SignExtend8(i);
op2 ← SignExtend32(Rn);
op2 ← op2 + imm;
Rn ← Register(op2);