Todo/Mysteries: Difference between revisions
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m (Created page with "==Registers== *What are $380011, $380061, $380065, $380067, and $3800E1 used for ? **smkdan: I noticed one time I tried running a burned BIOS that didn't have those init regs on ...") |
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*What are $380011, $380061, $380065, $380067, and $3800E1 used for ? | *What are $380011, $380061, $380065, $380067, and $3800E1 used for ? | ||
**smkdan: I noticed one time I tried running a burned BIOS that didn't have those init regs on my MV-2F and it was permanently stuck in a reset loop. AES BIOS doesn't not have that code and is known to not work on real MVS. It's probably MVS specific init code for neo-b1 or protection to stop bootleg BIOS running on MVS? will confirm later on. | **smkdan: I noticed one time I tried running a burned BIOS that didn't have those init regs on my MV-2F and it was permanently stuck in a reset loop. AES BIOS doesn't not have that code and is known to not work on real MVS. It's probably MVS specific init code for neo-b1 or protection to stop bootleg BIOS running on MVS? will confirm later on. | ||
SP-E init code: | SP-E init code: | ||
Revision as of 13:15, 28 June 2011
Registers
- What are $380011, $380061, $380065, $380067, and $3800E1 used for ?
- smkdan: I noticed one time I tried running a burned BIOS that didn't have those init regs on my MV-2F and it was permanently stuck in a reset loop. AES BIOS doesn't not have that code and is known to not work on real MVS. It's probably MVS specific init code for neo-b1 or protection to stop bootleg BIOS running on MVS? will confirm later on.
SP-E init code:
move.b d0,$380065 move.b d0,$380067
- CD registers
Others
- LC8953 microcode