source: buchla-68k/ram/etwslt.c

/*
   =============================================================================
        etwslt.c -- waveshape editor - waveshape slot field handlers
        Version 8 -- 1987-12-11 -- D.N. Lynx Crowe
   =============================================================================
*/

#define DEBUGIT         0

#include "ram.h"

/*
   =============================================================================
        et_wslt() -- load the edit buffer
   =============================================================================
*/

int16_t et_wslt(int16_t n)
{
        (void)n;

        sprintf(ebuf, "%c", curwslt + 'A');
        ebflag = TRUE;

        return(SUCCESS);
}

/*
   =============================================================================
        ef_wslt() -- parse (unload) the edit buffer
   =============================================================================
*/

int16_t ef_wslt(int16_t n)
{
        (void)n;

        ebuf[1] = '\0';                 /* terminate the string in ebuf */
        ebflag = FALSE;

        curwslt = ebuf[0] - 'A';

#if DEBUGIT
        printf("ef_wslt($%04X):  ebuf[%s], curwslt=%d\r\n", n, ebuf, curwslt);
#endif

        newws();
        dsnewws();
        return(SUCCESS);
}

/*
   =============================================================================
        rd_wslt() -- (re)display the field
   =============================================================================
*/

int16_t rd_wslt(int16_t nn)
{
        register int16_t n;

        n = nn & 0xFF;
        sprintf(dspbuf, "%c", curwslt + 'A');

        vbank(0);
        vcputsv(waveob, 64, wdbox[n][4], wdbox[n][5],
                wdbox[n][6] + 1, wdbox[n][7] + WSLT_OFF, dspbuf, 14);

        return(SUCCESS);
}

/*
   =============================================================================
        nd_wslt() -- handle new data entry
   =============================================================================
*/

int16_t nd_wslt(int16_t nn, int16_t k)
{
        register int16_t n;

        n = nn & 0xFF;

#if DEBUGIT
        printf("nd_wslt($%04X, %d)\r\n", nn, k);
#endif

        if (k GT 1)
                return(FAILURE);

        ebuf[0] = (int8_t)(k + 'A');
        ebuf[1] = '\0';

        dspbuf[0] = (int8_t)(k + 'A');
        dspbuf[1] = '\0';

#if DEBUGIT
        printf("nd_wslt($%04X, %d):  ebuf[%s]\r\n", nn, k, ebuf);
#endif

        vbank(0);
        vcputsv(waveob, 64, WS_ENTRY, wdbox[n][5],
                stcrow, stccol, dspbuf, 14);

        advwcur();
        return(SUCCESS);
}