30 lines
1.1 KiB
C++
30 lines
1.1 KiB
C++
#include "stack-opcode-handler-container.h"
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#include "../../utils.h"
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namespace emu_6502 {
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StackOpcodeHandlerContainer::StackOpcodeHandlerContainer() {
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handlers.insert({Op::PHA, [this](Machine& machine) { pha(machine); }});
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handlers.insert({Op::PHP, [this](Machine& machine) { php(machine); }});
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handlers.insert({Op::PLA, [this](Machine& machine) { pla(machine); }});
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handlers.insert({Op::PLP, [this](Machine& machine) { plp(machine); }});
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}
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void StackOpcodeHandlerContainer::pha(Machine& machine) {
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machine.get_stack().push(machine.get_cpu().get_a().get_value());
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}
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void StackOpcodeHandlerContainer::php(Machine& machine) {
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machine.get_stack().push(machine.get_cpu().get_ps().get_value().to_ulong());
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}
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void StackOpcodeHandlerContainer::pla(Machine& machine) {
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auto value = machine.get_stack().pop();
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machine.get_cpu().get_a().set_value(value);
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set_zero_and_neg_flags(machine.get_cpu().get_ps(), value);
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}
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void StackOpcodeHandlerContainer::plp(Machine& machine) {
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machine.get_cpu().get_ps().set_value(machine.get_stack().pop());
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}
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} |