source: buchla-68k/include/midas.h@ dade7a0

/*
   =============================================================================
        midas.h -- MIDAS 700 global definitions
        Version 38 -- 1989-12-19 -- D.N. Lynx Crowe
   =============================================================================
*/

#pragma once

#include "graphdef.h"
#include "stdint.h"
#include "vsdd.h"

typedef void (*LPF)(int16_t _1, int16_t _2);    /* pointer to a LCD panel function */

#define SM_SCALE(x)     (((x) * 252) & 0x7fe0)
#define ART_VAL(x)      (((((x) - 5) > 100) ? 100 : (((x) - 5) < 0 ? 0 : ((x) - 5))) * 320)

#define CWORD(x)        ((int16_t)((x) | ((x) << 4) | ((x) << 8) | ((x) << 12)))

#define CTOX(C)         ((C) << 3)      /* column to x pixel value */
#define RTOY(R)         ((R) * 14)      /* row to y pixel value */
#define XTOC(X)         ((X) >> 3)      /* x pixel value to column */
#define YTOR(Y)         ((Y) / 14)      /* y pixel value to row */

#define AMP_TIME        200             /* amplitude pot interpolate time */

#define GCPRI   15                      /* graphic cursor priority */
#define GCURS   0                       /* graphic cursor object number */

#define BIT2    V_RES2                  /* graphics - 2 bit pixels */
#define BIT3    V_RES3                  /* graphics - 4 bit pixels */
#define CHR2    0u                      /* characters - no attributes */
#define CHR3    (V_FAD | V_HCR)         /* characters - full attributes */

#define OBFL_00 (BIT3 | V_TDE)          /* cursor - arrow */

#define LIBRFL          V_RES3          /* librarian display object flags */

#define TTCURS          2               /* typewriter cursor object */
#define TTCPRI          14              /* typewriter cursor priority */
#define TTCCFL          (V_RES3 | V_OBL | V_TDE)

#define XYCENTRE        50              /* center of range of cursor pots */

#define SMYRATE         4               /* smooth scroll vertical rate */

#define HCWVAL          30              /* graphics cursor x wait time */
#define VCWVAL          30              /* graphics cursor y wait time */
#define THCWVAL         60              /* text cursor h wait time */
#define TVCWVAL         120             /* text cursor v wait time */
#define CURHOLD         300             /* cursor motion startup delay */

#define CXMAX           XMAX            /* cursor x maximum */
#define CYMAX           YMAX            /* cursor y maximum */

#define FN_NULL         0L              /* null for address entries */

#define NASGS           100     /* number of assignments in memory */
#define NASGLIB         99      /* number of assignments on disk */

#define NTUNS           10      /* number of tunings in memory */
#define NTUNSLIB        9       /* number of tunings on disk */

#define NINST           41      /* number of instruments in memory */
#define NINORC          20      /* number of instruments on disk */
#define NIPNTS          128     /* maximum number of points in the instrument */
#define MAXIDLN         16      /* maximum length of function ID strings */
#define NFINST          13      /* number of functions in an instrument */
#define NUMCFG          12      /* number of oscillator configurations */

#define NUMWAVS         20      /* number of waveshapes in memory or on disk*/
#define NUMWIDS         8       /* number of waveshape cursor widths */
#define NUMHARM         32      /* number of waveshape harmonics */
#define NUMWPNT         254     /* number of waveshape points stored */
#define NUMWPCAL        256     /* number of waveshape points calculated */

#define VID_EI          0       /* IPL to enable video */
#define VID_DI          1       /* IPL to disable video */
#define FPU_EI          1       /* IPL to enable FPU */
#define FPU_DI          2       /* IPL to disable FPU */
#define TIM_DI          4       /* IPL to disable timer */

#define NTRIGS          6144    /* number of trigger related entries */
#define NCTRLS          6144    /* number of controller related entries */
#define NPFENTS         336     /* number of pendant function list entries */
#define NLSTENTS        48      /* number of last note entry table entries */

#define NMPORTS         2       /* number of MIDI ports */

#define MASENSCT        500     /* active sensing timeout count */

#define MIDISUS         64      /* MIDI damper (sustain) controller number */
#define MIDIHLD         66      /* MIDI sustenuto (hold) controller number */

#define MSW_ON          0x3F    /* MIDI switch on threshold */
#define MSW_OFF         0x40    /* MIDI switch off threshold */

#define M_KSTATE        0x01    /* MIDI key status */
#define M_LCLSUS        0x04    /* MIDI local sustain status */
#define M_CHNSUS        0x08    /* MIDI channel sustain status */
#define M_LCLHLD        0x40    /* MIDI local hold status */
#define M_CHNHLD        0x80    /* MIDI channel hold status */
#define MKEYHELD        (M_CHNHLD | M_LCLHLD)
                                /* key held */

#define PITCHMIN        320     /* C0 in 1/2 cents (160 cents) */
#define PITCHMAX        21920   /* C9 in 1/2 cents (10960 cents) */

#define GTAG1           0x0100
#define GTAG2           0x0200
#define GTAG3           0x0400
#define GTAG4           0x0800
#define GTAG5           0x1000
#define GTAG6           0x2000
#define GTAG7           0x4000
#define GTAG8           0x8000

#define CTAG1           0x0100
#define CTAG2           0x0200
#define CTAG3           0x0400
#define CTAG4           0x0800
#define CTAG5           0x1000
#define CTAG6           0x2000
#define CTAG7           0x4000
#define CTAG8           0x8000