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It looks to me like the diagram for the RF Famicom. I find this very helpful to me! It seems the audio from the microphone is also send to the cartridge, together with the square/triangle/noise/DPCM (does any mapper use this?), and now I can also see exactly how the expansion port is wired. It could help with many things, including to make a hardware clone (including one with a microphone). I suppose it means the device on the expansion port could read the inputs from the second controller, and I suppose as well as the expansion port to trigger IRQ, it can be used to communicate another signal directly between the expansion port and the cartridge. (If making a hardware clone, I suppose we can program the CPU, APU, PPU, and possibly some other components in Verilog, and then wire other things using discrete components, so it resembles this diagram; however, NES controller ports can then be added, and the microphone could be connected to an extra port. Of course, I suppose things like the Visual2A03 and so on can also help when making a hardware clone.) --[[User:Zzo38|Zzo38]] ([[User talk:Zzo38|talk]]) 12:55, 22 May 2013 (MDT) | It looks to me like the diagram for the RF Famicom (the description says NES, but I think it is clearly the RF Famicom, not the NES). I find this very helpful to me! It seems the audio from the microphone is also send to the cartridge, together with the square/triangle/noise/DPCM (does any mapper use this?), and now I can also see exactly how the expansion port is wired. It could help with many things, including to make a hardware clone (including one with a microphone). I suppose it means the device on the expansion port could read the inputs from the second controller, and I suppose as well as the expansion port to trigger IRQ, it can be used to communicate another signal directly between the expansion port and the cartridge. (If making a hardware clone, I suppose we can program the CPU, APU, PPU, and possibly some other components in Verilog, and then wire other things using discrete components, so it resembles this diagram; however, NES controller ports can then be added, and the microphone could be connected to an extra port. Of course, I suppose things like the Visual2A03 and so on can also help when making a hardware clone.) --[[User:Zzo38|Zzo38]] ([[User talk:Zzo38|talk]]) 12:55, 22 May 2013 (MDT) | ||
Revision as of 18:56, 22 May 2013
It looks to me like the diagram for the RF Famicom (the description says NES, but I think it is clearly the RF Famicom, not the NES). I find this very helpful to me! It seems the audio from the microphone is also send to the cartridge, together with the square/triangle/noise/DPCM (does any mapper use this?), and now I can also see exactly how the expansion port is wired. It could help with many things, including to make a hardware clone (including one with a microphone). I suppose it means the device on the expansion port could read the inputs from the second controller, and I suppose as well as the expansion port to trigger IRQ, it can be used to communicate another signal directly between the expansion port and the cartridge. (If making a hardware clone, I suppose we can program the CPU, APU, PPU, and possibly some other components in Verilog, and then wire other things using discrete components, so it resembles this diagram; however, NES controller ports can then be added, and the microphone could be connected to an extra port. Of course, I suppose things like the Visual2A03 and so on can also help when making a hardware clone.) --Zzo38 (talk) 12:55, 22 May 2013 (MDT)
