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| -rw-r--r-- | maple_bus/README | 28 | ||||
| -rw-r--r-- | maple_bus/bus_enumeration.sr | bin | 0 -> 2956 bytes |
2 files changed, 28 insertions, 0 deletions
diff --git a/maple_bus/README b/maple_bus/README new file mode 100644 index 0000000..5ed14b1 --- /dev/null +++ b/maple_bus/README @@ -0,0 +1,28 @@ +------------------------------------------------------------------------------- +SEGA Maple bus +------------------------------------------------------------------------------- + +This is a set of dumps of the SEGA Dreamcast Maple bus. + +For details see: +http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=6,324,603.PN.&OS=PN/6,324,603&RS=PN/6,324,603 + + +Logic analyzer setup +-------------------- + +The logic analyzer used was a genuine Saleae Logic16 (at 20 MHz): + + Probe Maple bus + --------------------- + 1 SDCKA + 5 SDCKB + + +Data +---- + +Three different peripherals (a controller, a memory card, and a rumble +pack) are probed using "Device Request" packets, each of which is +replied to with a "Device status" packet. + diff --git a/maple_bus/bus_enumeration.sr b/maple_bus/bus_enumeration.sr Binary files differnew file mode 100644 index 0000000..68c983c --- /dev/null +++ b/maple_bus/bus_enumeration.sr |