initial code for Nemesis' blip discovery

[picodrive.git] / Pico / sound / ym2612.h

diff --git a/Pico/sound/ym2612.h b/Pico/sound/ym2612.h
index ed4910c..f5e98a0 100644 (file)
--- a/Pico/sound/ym2612.h
+++ b/Pico/sound/ym2612.h
@@ -56,6 +56,7 @@ typedef struct
 \r
        UINT8   ALGO;           /* +00 algorithm */\r
        UINT8   FB;             /* feedback shift */\r
+       UINT8   pad[2];\r
        INT32   op1_out;        /* op1 output for feedback */\r
 \r
        INT32   mem_value;      /* +08 delayed sample (MEM) value */\r
@@ -64,12 +65,14 @@ typedef struct
        UINT8   ams;            /* channel AMS */\r
 \r
        UINT8   kcode;          /* +11 key code:                        */\r
+       UINT8   fn_h;           /* freq latch           */\r
+       UINT8   pad2;\r
        UINT32  fc;             /* fnum,blk:adjusted to sample rate */\r
        UINT32  block_fnum;     /* current blk/fnum value for this slot (can be different betweeen slots of one channel in 3slot mode) */\r
 \r
        /* LFO */\r
        UINT8   AMmasks;        /* AM enable flag */\r
-\r
+       UINT8   pad3[3];\r
 } FM_CH;\r
 \r
 typedef struct\r
@@ -80,12 +83,12 @@ typedef struct
        UINT8   address;        /* 10 address register | need_save     */\r
        UINT8   status;         /* 11 status flag | need_save          */\r
        UINT8   mode;           /* mode  CSM / 3SLOT    */\r
-       UINT8   fn_h;           /* freq latch           */\r
+       UINT8   pad;\r
        int             TA;                     /* timer a              */\r
        int             TAC;            /* timer a maxval       */\r
        int             TAT;            /* timer a ticker | need_save */\r
        UINT8   TB;                     /* timer b              */\r
-       UINT8   pad[3];\r
+       UINT8   pad2[3];\r
        int             TBC;            /* timer b maxval       */\r
        int             TBT;            /* timer b ticker | need_save */\r
        /* local time tables */\r
@@ -112,9 +115,9 @@ typedef struct
        FM_3SLOT SL3;                   /* 3 slot mode state */\r
        UINT32  pan;                    /* fm channels output mask (bit 1 = enable) */\r
 \r
-       UINT32  eg_cnt;                 /* #0xb38 global envelope generator counter | need_save */\r
-       UINT32  eg_timer;               /* #0xb3c global envelope generator counter works at frequency = chipclock/64/3 | need_save */\r
-       UINT32  eg_timer_add;           /* #0xb40 step of eg_timer */\r
+       UINT32  eg_cnt;                 /* global envelope generator counter | need_save */\r
+       UINT32  eg_timer;               /* global envelope generator counter works at frequency = chipclock/64/3 | need_save */\r
+       UINT32  eg_timer_add;           /* step of eg_timer */\r
 \r
        /* LFO */\r
        UINT32  lfo_cnt;                /* need_save */\r
@@ -129,7 +132,7 @@ typedef struct
        UINT8           REGS[0x200];                    /* registers (for save states)       */\r
        INT32           addr_A1;                        /* address line A1 | need_save       */\r
 \r
-       FM_CH           CH[6];                          /* channel state (0x168 bytes each)? */\r
+       FM_CH           CH[6];                          /* channel state */\r
 \r
        /* dac output (YM2612) */\r
        int             dacen;\r