29 lines
389 B
C++
29 lines
389 B
C++
#ifdef CPU_CPP
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void CPU::op_io() {
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cycle_edge();
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add_clocks(4);
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}
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uint8 CPU::op_read(uint16 addr) {
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cycle_edge();
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uint8 r = bus.read(addr);
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add_clocks(4);
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return r;
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}
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void CPU::op_write(uint16 addr, uint8 data) {
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cycle_edge();
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bus.write(addr, data);
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add_clocks(4);
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}
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void CPU::cycle_edge() {
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if(status.ei) {
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status.ei = false;
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status.ime = 1;
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}
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}
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#endif
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