On Tue, 09 May 2000, Laurens Holst wrote:
> You just need the three disks (English version from Funet will do fine).
You'll need cracked disks, the original SD Snatcher disks will only boot if
the SD Snatcher cartridge is present (more accurate: SCC+ with RAM in the
right pages). But I think the ones that Laurens meant are cracked.
> The sound cartridge cannot be duplicated. However, the SCC SD-Snatcher uses
> is in a lot of other Konami cartridges, like Salamander, F1 Spirit, King's
> Valley, Space Manbow, and a lot more.
The SCC+ used by SD Snatcher is not the same as the SCCs in most other
Konami games. The SCC+ has a separate waveform for channel 5.
Jerome Borsboom made an SD Snatcher crack that uses 2 SCCs to emulate the
SCC+ sound accurately. This crack also works with 1 SCC or without any SCCs
at all, but sound will not be the same as the original in that case.
> - Let someone -or di it yourself- build a switch in the cartridge. It is
> really a simple thing to do. Then disable the cartridge while booting.
The best way is to disable the chip select (/CS) of the ROM. If you do
that, you can disable only the ROM when you want to use just the SCC, or
you can enable the ROM to play the game inside the cartridge. If you make a
switch that disables the whole cartridge, you have to disable while booting
and enable it before you load the game, so that's less convenient.
For a description of the procedure, look at this page by Sean Young:
http://www.msxnet.org/tech/switch.html
Item number 3 describes how you can modify the cartridge to switch between
SCC-only and SCC&game.
> When the game is starting, type the slot the cartridge is in.
This depends on the crack. I think (not sure though) that Jerome's crack
had SCC auto detection.
Bye,
Maarten
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