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Imports third-party tests for ABCD, and thereby fixes ABCD.

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Thomas Harte
2019-06-19 18:13:06 -04:00
parent 8182b0363f
commit 8dace34e63
3 changed files with 148 additions and 27 deletions
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Processors/68000/Implementation/68000Storage.cpp
+8 -19
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@@ -808,7 +808,7 @@ struct ProcessorStorageConstructor {
// Temporary storage for the Program fields.
ProcessorBase::Program program;
// if(instruction == 0xc302) {
// if(instruction == 0xc30a) {
// printf("");
// }
@@ -1831,26 +1831,15 @@ struct ProcessorStorageConstructor {
// Decodes the format used by ABCD and SBCD.
case Decoder::ABCD_SBCD: {
if(instruction & 8) {
program.source = &storage_.source_bus_data_[0];
program.destination = &storage_.destination_bus_data_[0];
program.source_address = &storage_.address_[ea_register];
program.destination_address = &storage_.address_[data_register];
program.set_source(storage_, Ind, ea_register);
program.set_destination(storage_, Ind, data_register);
const int source_dec = dec(ea_register);
const int destination_dec = dec(data_register);
int first_action = source_dec | MicroOp::SourceMask | MicroOp::DestinationMask;
if(source_dec != destination_dec) {
first_action = source_dec | MicroOp::SourceMask;
op(destination_dec | MicroOp::DestinationMask);
}
op( first_action,
seq("n nr nrd np nw", { a(ea_register), a(data_register), a(data_register) }, false));
op(Action::PerformOperation);
op(MicroOp::SourceMask | dec(ea_register), seq("n nr", { a(ea_register) }, false ));
op(MicroOp::DestinationMask | dec(data_register), seq("nrd np", { a(data_register) }, false ));
op(Action::PerformOperation, seq("nw", { a(data_register) }, false));
} else {
program.source = &storage_.data_[ea_register];
program.destination = &storage_.data_[data_register];
program.set_source(storage_, Dn, ea_register);
program.set_destination(storage_, Dn, data_register);
op(Action::PerformOperation, seq("np n"));
}