Re: Proof that pin #4 mod does not work
Posted: Sun May 19, 2013 7:55 pm
Sorry to revive a bit of a dead thread, however I felt this was worth reviving.
After reading through this: http://hackmii.com/2010/01/the-weird-and-wonderful-cic/
And then scouring through the dumps, I've come to the conclusion that the Pin 4 mod is completely fine and will work on any NES. I had not heard of nor seen of the Pin 4 grounding/floating not working unless there was something else wrong with the NES. You have tested things as not working on a breadboard, NOT on the NES. You are the ONE person to claim that this doesn't work, and you've tried to claim how you are so above and beyond the talent of everybody else. I've come to the conclusion that you are just spreading complete and utter FUD. You have a lot of conflicting information: You claim not all 3193A's are the same, and yet you are posting code from the 3195A. Also, since the Pin 4 mod simply puts the chip into "key mode" instead of "lock mode", none of the code that is run if the chip is a lock is relevant and that is a lot of the code you posted. The code you're posting has definitely come from the same source I linked to, however you're messing with comments and stuff like that, and with your comments I was actually beginning to think you might be correct; reading the comments of a reputable source, however, proved otherwise. Segher knows his stuff. You are just some random dude who I've only seen here.
The pin 4 mod puts the chip into key mode, nothing more nothing less. Let's say you have an unmodded NES and a game that works with said NES. Swap the 2 10NES chips between them and it will make no difference (unless of course you messed up some soldering). This is something that has been proven time and time again. The only difference is that the cartridge doesn't supply power to Pin 4, and the NES does.
I had recently been digging into the 10NES chip quite a bit, and I just had to post this. I'm an above-average computer programmer and started out with some soldering a while ago; I know my way around software and hardware, and it's enough to know that you're wrong.
After reading through this: http://hackmii.com/2010/01/the-weird-and-wonderful-cic/
And then scouring through the dumps, I've come to the conclusion that the Pin 4 mod is completely fine and will work on any NES. I had not heard of nor seen of the Pin 4 grounding/floating not working unless there was something else wrong with the NES. You have tested things as not working on a breadboard, NOT on the NES. You are the ONE person to claim that this doesn't work, and you've tried to claim how you are so above and beyond the talent of everybody else. I've come to the conclusion that you are just spreading complete and utter FUD. You have a lot of conflicting information: You claim not all 3193A's are the same, and yet you are posting code from the 3195A. Also, since the Pin 4 mod simply puts the chip into "key mode" instead of "lock mode", none of the code that is run if the chip is a lock is relevant and that is a lot of the code you posted. The code you're posting has definitely come from the same source I linked to, however you're messing with comments and stuff like that, and with your comments I was actually beginning to think you might be correct; reading the comments of a reputable source, however, proved otherwise. Segher knows his stuff. You are just some random dude who I've only seen here.
The pin 4 mod puts the chip into key mode, nothing more nothing less. Let's say you have an unmodded NES and a game that works with said NES. Swap the 2 10NES chips between them and it will make no difference (unless of course you messed up some soldering). This is something that has been proven time and time again. The only difference is that the cartridge doesn't supply power to Pin 4, and the NES does.
I had recently been digging into the 10NES chip quite a bit, and I just had to post this. I'm an above-average computer programmer and started out with some soldering a while ago; I know my way around software and hardware, and it's enough to know that you're wrong.
