===== 13 SIR S2 REVERB IRQ | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 1F801DAA
IRQ9 (SPUSTAT bit 6) with the reverb engine running and every voice silent. Up to 4
hits, each acknowledged and re-armed, cycles from SPUCNT bit 7 on. "Data Transfers"
and voices trap the IRQ address (spx:832-865); the reverb unit's accesses are not
listed there. Addresses as in SRV.
Where mLSAME writes, mBASE FE00, IRQ FE40, bit 7 1: hits 468 1990 61891 74957
8 units after it, mBASE FE00, IRQ FE48, bit 7 1: hits 49336 50872 110786 123832
Where mLCOMB1 reads, mBASE FE00, IRQ FE20, bit 7 1: hits none
Where mLAPF2 writes, mBASE FE00, IRQ FF00, bit 7 1: hits 23793 196607 245759 392433
Where mLCOMB1 reads, mBASE FE00, IRQ FE20, bit 7 0: hits none
Where mLSAME writes, mBASE FE00, IRQ FE40, bit 7 0: hits 512 2063 61953 75033
Outside the area, mBASE FE00, IRQ 1000, bit 7 1: hits none
mBASE below 60000h: "does mis-trigger IRQs" at some IRQ addresses (nc
reverb-formula.txt:36-46). 2 million cycles each:
mBASE 40000h, mBASE 8000, IRQ 1000, bit 7 1: hits none
mBASE 40000h, mBASE 8000, IRQ 4000, bit 7 1: hits 338 1832 3368 4904
mBASE 40000h, mBASE 8000, IRQ 7000, bit 7 1: hits none
mBASE 44000h, mBASE 8800, IRQ 1000, bit 7 1: hits none
mBASE 60000h, mBASE C000, IRQ 1000, bit 7 1: hits none
Done.