33 lines
1.4 KiB
C++
33 lines
1.4 KiB
C++
#include "opcode-handler-directory.h"
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#include "handler/flag-opcode-handler.h"
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#include "handler/register-opcode-handler.h"
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#include "handler/ldx-opcode-handler.h"
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#include "handler/stack-opcode-handler.h"
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#include <sstream>
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#include <stdexcept>
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OpcodeHandlerDirectory::OpcodeHandlerDirectory(shared_ptr<Program> program, shared_ptr<RegisterManager> reg_man, shared_ptr<Memory> memory) {
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handlers = make_unique<unordered_map<uint8_t, shared_ptr<OpcodeHandler>>>();
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register_handler(make_shared<FlagOpcodeHandler>(FlagOpcodeHandler(program, reg_man, memory)));
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register_handler(make_shared<RegisterOpcodeHandler>(RegisterOpcodeHandler(program, reg_man, memory)));
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register_handler(make_shared<LdxOpcodeHandler>(LdxOpcodeHandler(program, reg_man, memory)));
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register_handler(make_shared<StackOpcodeHandler>(StackOpcodeHandler(program, reg_man, memory)));
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}
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void OpcodeHandlerDirectory::register_handler(shared_ptr<OpcodeHandler> handler) {
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for (auto opcode: *handler->get_handled_opcodes()) {
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handlers->insert({opcode, handler});
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}
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}
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shared_ptr<OpcodeHandler> OpcodeHandlerDirectory::get_handler(uint8_t opcode) {
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if (handlers->find(opcode) == handlers->end()) {
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stringstream stream;
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stream << "No handler registered for opcode 0x" << hex << opcode;
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throw runtime_error(stream.str());
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}
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return handlers->at(opcode);
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} |