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Adds the official NOP.

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Which is a freebie.
This commit is contained in:
Thomas Harte 2019-04-18 23:46:01 -04:00
parent ffdf02c5df
commit 99981751a2
1 changed files with 8 additions and 0 deletions
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8
Processors/68000/Implementation/68000Storage.cpp
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@ -398,6 +398,8 @@ struct ProcessorStorageConstructor {
MOVEUSP, // Maps a direction and register to a MOVE [to/from] USP.
TRAP, // Maps to a TRAP.
NOP, // Maps to a NOP.
};
using Operation = ProcessorStorage::Operation;
@ -590,6 +592,8 @@ struct ProcessorStorageConstructor {
{0xffff, 0x4e77, Operation::RTE_RTR, Decoder::RTE_RTR}, // 4-168 (p272) [RTR]
{0xffff, 0x4e73, Operation::RTE_RTR, Decoder::RTE_RTR}, // 6-84 (p538) [RTE]
{0xffff, 0x4e71, Operation::None, Decoder::NOP}, // 8-13 (p469)
};
std::vector<size_t> micro_op_pointers(65536, std::numeric_limits<size_t>::max());
@ -624,6 +628,10 @@ struct ProcessorStorageConstructor {
const int ea_mode = (instruction >> 3) & 7;
switch(mapping.decoder) {
case Decoder::NOP: {
op(Action::None, seq("np"));
} break;
case Decoder::RTE_RTR: {
storage_.instructions[instruction].requires_supervisor = instruction == 0x4e73;