19 lines
521 B
Kotlin
19 lines
521 B
Kotlin
package android.emu6502.nes.mappers
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import android.emu6502.CPU
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import android.emu6502.nes.Cartridge
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import android.emu6502.nes.PPU
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interface Mapper {
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fun read(address: Int): Int
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fun write(address: Int, value: Int)
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fun step()
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companion object {
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fun newMapper(cartridge: Cartridge, ppu: PPU, cpu: CPU): Mapper =
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when (cartridge.mapper.toInt()) {
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4 -> MMC3(cartridge, ppu, cpu)
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else -> throw NotImplementedError("Mapper ${cartridge.mapper.toInt()} not implemented")
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}
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}
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} |