1.1 --- a/src/aica/aica.h	Mon Jan 02 23:06:37 2006 +0000
     1.2 +++ b/src/aica/aica.h	Tue Jan 10 13:56:54 2006 +0000
     1.3 @@ -1,5 +1,5 @@
     1.4  /**
     1.5 - * $Id: aica.h,v 1.6 2006-01-02 23:06:37 nkeynes Exp $
     1.6 + * $Id: aica.h,v 1.7 2006-01-10 13:56:54 nkeynes Exp $
     1.7   * 
     1.8   * MMIO definitions for the AICA sound chip. Note that the regions defined
     1.9   * here are relative to the SH4 memory map (0x00700000 based), rather than
    1.10 @@ -33,14 +33,14 @@
    1.11  LONG_PORT( 0x044, CDDA_VOL_R, PORT_MRW, 0, "CDDA Volume right" )
    1.12  LONG_PORT( 0x800, VOL_MASTER, PORT_MRW, UNDEFINED, "Master volume" )
    1.13  LONG_PORT( 0x808, AICA_UNK7, PORT_MRW, 0, "AICA ??? 7" )
    1.14 -LONG_PORT( 0x880, AICA_TIMER1, PORT_MRW, 0, "AICA Timer 1" )
    1.15 -LONG_PORT( 0x890, AICA_TIMER2, PORT_MRW, 0, "AICA Timer 2" )
    1.16 +LONG_PORT( 0x880, AICA_UNK6, PORT_MRW, 0, "AICA ??? 6" )
    1.17 +LONG_PORT( 0x890, AICA_TIMER, PORT_MRW, 0, "AICA Timer" )
    1.18  LONG_PORT( 0x89C, AICA_UNK1, PORT_MRW, 0, "AICA ??? 1" )
    1.19 -LONG_PORT( 0x8A4, AICA_UNK2, PORT_MRW, 0, "AICA ??? 2" )
    1.20 +LONG_PORT( 0x8A4, AICA_TCR, PORT_MRW, 0, "AICA Timer Control?" )
    1.21  BYTE_PORT( 0x8A8, AICA_UNK3, PORT_MRW, 0, "AICA ??? 3" )
    1.22  BYTE_PORT( 0x8AC, AICA_UNK4, PORT_MRW, 0, "AICA ??? 4" )
    1.23  BYTE_PORT( 0x8B0, AICA_UNK5, PORT_MRW, 0, "AICA ??? 5" )
    1.24 -LONG_PORT( 0xC00, AICA_RESET,PORT_MRW, 1, "AICA reset" )
    1.25 +LONG_PORT( 0xC00, AICA_RESET,PORT_MRW, 0, "AICA reset" )
    1.26  LONG_PORT( 0xD00, AICA_IRQ, PORT_MR, 0, "AICA IRQ Pending" )
    1.27  LONG_PORT( 0xD04, AICA_IRQCLEAR, PORT_MRW, 0, "AICA IRQ Clear" )
    1.28  MMIO_REGION_END
    1.29 @@ -58,3 +58,16 @@
    1.30  #define AICA_EVENT_OTHER 5
    1.31  
    1.32  void aica_event( int event );
    1.33 +void aica_write_channel( int channel, uint32_t addr, uint32_t val );
    1.34 +
    1.35 +/**
    1.36 + * The AICA core runs at 44100 samples/second, regardless of what we're
    1.37 + * actually outputing.
    1.38 + */
    1.39 +#define AICA_SAMPLE_RATE 44100
    1.40 +
    1.41 +/**
    1.42 + * This is only used to determine number of instructions to execute
    1.43 + * per sample, which isn't cycle accurate at the moment.
    1.44 + */
    1.45 +#define AICA_SAMPLE_PERIOD (1000000000 / 44100)