mirror of https://github.com/bsnes-emu/bsnes.git
37 lines
673 B
C++
37 lines
673 B
C++
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auto MOS6502::idle() -> void {
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read(PC);
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}
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auto MOS6502::idlePageCrossed(uint16 x, uint16 y) -> void {
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if(x >> 8 == y >> 8) return;
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read((x & 0xff00) | (y & 0x00ff));
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}
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auto MOS6502::idlePageAlways(uint16 x, uint16 y) -> void {
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read((x & 0xff00) | (y & 0x00ff));
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}
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auto MOS6502::opcode() -> uint8 {
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return read(PC++);
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}
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auto MOS6502::operand() -> uint8 {
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return read(PC++);
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}
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auto MOS6502::load(uint8 addr) -> uint8 {
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return read(addr);
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}
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auto MOS6502::store(uint8 addr, uint8 data) -> void {
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write(addr, data);
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}
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auto MOS6502::push(uint8 data) -> void {
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write(0x0100 | S--, data);
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}
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auto MOS6502::pull() -> uint8 {
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return read(0x0100 | ++S);
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}
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