Gradius II dump?
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Re: Gradius II dump?
Fine. How could I dump it with kazzo? Is possible to do it?
Re: Gradius II dump?
Sorry, I should have actually looked at my traces from when Fisher asked; it's actually VRC2b layout.
However, it won't work in any emulator. There's no mapper allocated to this board.
Re: Gradius II dump?
dumper and read eeprom,The data is different.lidnariq wrote:Dump it as though it were the ordinary licensed VRC4 Gradius 2. CHR is identical and PRG will only differ in the last 2 KiB.
Sorry, I should have actually looked at my traces from when Fisher asked; it's actually VRC2b layout.
However, it won't work in any emulator. There's no mapper allocated to this board.
dumper:data is 2k patch to PRG, ROM size :128+128
eeprom:ROM size :2k patch+128+128
all G2 pirate working my build nestopia plus! r314
Re: Gradius II dump?
First of all, MERRY CHRISTMAS!!!
I have a pirate "Kid Dracula" (Akumajou Special: Boku Dracula-kun) that runs on similar hardware.
Is ROM dumping / PAL dumping / scanning worth the effort?
I mean, can this really help documenting and further understanding the hardware?
Does your cartridge have the same bug as mine?
I have a pirate "Kid Dracula" (Akumajou Special: Boku Dracula-kun) that runs on similar hardware.
Is ROM dumping / PAL dumping / scanning worth the effort?
I mean, can this really help documenting and further understanding the hardware?
Does your cartridge have the same bug as mine?
Re: Gradius II dump?
Akumajou Special: Boku Dracula-kun..... I DUMPED,but IRQ not emuFisher wrote:First of all, MERRY CHRISTMAS!!!
I have a pirate "Kid Dracula" (Akumajou Special: Boku Dracula-kun) that runs on similar hardware.
Is ROM dumping / PAL dumping / scanning worth the effort?
I mean, can this really help documenting and further understanding the hardware?
Does your cartridge have the same bug as mine?
you can dumped 16L8AN?
Re: Gradius II dump?
With Lidnariq's help, I have read the PAL chip as an EPROM.
Later he figured out the logic on the IC based on the data.
I see no reason this could not be made again with this other PAL.
Should I? I think I will!!
Later he figured out the logic on the IC based on the data.
I see no reason this could not be made again with this other PAL.
Should I? I think I will!!
Re: Gradius II dump?
If you want to build a generic harness for dumping PAL16L8, connect pins 13-18 to your ROM reader data lines, but also put ≈4.7kΩ resistors from your ROM reader address lines to those six pins.
This will let the address line drive the pin if the PAL is configured to have the pin be an input, but will let the data line be read if it's an output.
This will let the address line drive the pin if the PAL is configured to have the pin be an input, but will let the data line be read if it's an output.
Re: Gradius II dump?
Do you mean like this?
Re: Gradius II dump?
Back to the subject...
So, it's NOT possible to dump it with Kazzo because of this extra chip/data?
So, it's NOT possible to dump it with Kazzo because of this extra chip/data?
Re: Gradius II dump?
this cart 16l8an+ax580c ,VRC4 +IRQ?lidnariq wrote:If you want to build a generic harness for dumping PAL16L8, connect pins 13-18 to your ROM reader data lines, but also put ≈4.7kΩ resistors from your ROM reader address lines to those six pins.
This will let the address line drive the pin if the PAL is configured to have the pin be an input, but will let the data line be read if it's an output.
Re: Gradius II dump?
It is possible. Use VRC2b.Zepper wrote:So, it's NOT possible to dump it with Kazzo because of this extra chip/data?