38 lines
858 B
C++
38 lines
858 B
C++
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#ifdef SUPERFX_CPP
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//ROM / RAM access from the S-CPU
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unsigned SuperFX::ROM::size() const {
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return cartridge.rom.size();
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}
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uint8 SuperFX::ROM::read(unsigned addr) {
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if(superfx.regs.sfr.g && superfx.regs.scmr.ron) {
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static const uint8_t data[16] = {
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0x00, 0x01, 0x00, 0x01, 0x04, 0x01, 0x00, 0x01,
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0x00, 0x01, 0x08, 0x01, 0x00, 0x01, 0x0c, 0x01,
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};
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return data[addr & 15];
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}
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return cartridge.rom.read(addr);
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}
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void SuperFX::ROM::write(unsigned addr, uint8 data) {
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cartridge.rom.write(addr, data);
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}
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unsigned SuperFX::RAM::size() const {
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return cartridge.ram.size();
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}
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uint8 SuperFX::RAM::read(unsigned addr) {
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if(superfx.regs.sfr.g && superfx.regs.scmr.ran) return cpu.regs.mdr;
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return cartridge.ram.read(addr);
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}
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void SuperFX::RAM::write(unsigned addr, uint8 data) {
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cartridge.ram.write(addr, data);
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}
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#endif
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