* Add missing cpu.h include to fix compile errors when logging is enabled
* SB DSP: Move Aztech variable command length handling to correct if block, fixes EEPROM writing hang in MIXTSR
* SB DSP: Increment RP after unknown Aztech command 0x08 subcommand 0x01 is run, fixes HWSET detection after EMUTSR is run
* Aztech: Give AZT1605 its own read function and only allocate I/O ports in the 62x/64x range
* Aztech: Add logging code
* AZT1605: Implement the SBPro mixer readout ports, fixes scrambled mixer settings in MIXTSR and HWSET
* AZT1605: Restore WSS mixer from EEPROM during init and use sane initial EEPROM mixer values
* Aztech: Always use AUX1 WSS channel for CD audio on AZT1605, fixes CD volume control on Win3.1 drivers
* AZT1605: Filter OPL3 through WSS AUX2 mixer, fixes FM volume control on Win3.1 drivers
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