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Equivocate.

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(Specifically: addresses cannot generally be obtained in advance, as they are often the product of registers, but things like displacements, immediate values and absolute addresses can)
This commit is contained in:
Thomas Harte
2022-05-01 15:30:03 -04:00
parent c72caef4fd
commit fe8f0d960d
1 changed files with 2 additions and 1 deletions
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3
InstructionSets/M68k/Implementation/ExecutorImplementation.hpp
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@@ -214,7 +214,8 @@ void Executor<model, BusHandler>::run_for_instructions(int count) {
// rather than addresses; and (ii) then they'll be there for use // rather than addresses; and (ii) then they'll be there for use
// by LEA and PEA. // by LEA and PEA.
// //
// TODO: this work should be performed by a full Decoder, so that it can be cached. // TODO: much of this work should be performed by a full Decoder,
// so that it can be cached.
effective_address_[0] = calculate_effective_address(instruction, opcode, 0); effective_address_[0] = calculate_effective_address(instruction, opcode, 0);
effective_address_[1] = calculate_effective_address(instruction, opcode, 1); effective_address_[1] = calculate_effective_address(instruction, opcode, 1);
operand_[0] = effective_address_[0].value; operand_[0] = effective_address_[0].value;