6e2b91c3d1
Fixed FDI stream parameters passed to the 86F handler, FDI stream images now read correctly again; The National Semiconductors PC87306 SuperI/O chip now supports enhanced FDC mode.
57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
#include <stdlib.h>
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#include "ibm.h"
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#include "device.h"
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#include "sound.h"
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#include "sound_adlib.h"
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#include "sound_opl.h"
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typedef struct adlib_t
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{
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opl_t opl;
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} adlib_t;
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static void adlib_get_buffer(int32_t *buffer, int len, void *p)
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{
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adlib_t *adlib = (adlib_t *)p;
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int c;
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opl2_update2(&adlib->opl);
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for (c = 0; c < len * 2; c++)
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buffer[c] += (int32_t)adlib->opl.buffer[c];
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adlib->opl.pos = 0;
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}
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void *adlib_init()
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{
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adlib_t *adlib = malloc(sizeof(adlib_t));
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memset(adlib, 0, sizeof(adlib_t));
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pclog("adlib_init\n");
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opl2_init(&adlib->opl);
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io_sethandler(0x0388, 0x0002, opl2_read, NULL, NULL, opl2_write, NULL, NULL, &adlib->opl);
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sound_add_handler(adlib_get_buffer, adlib);
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return adlib;
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}
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void adlib_close(void *p)
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{
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adlib_t *adlib = (adlib_t *)p;
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free(adlib);
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}
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device_t adlib_device =
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{
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"AdLib",
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0,
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adlib_init,
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adlib_close,
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NULL,
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NULL,
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NULL,
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NULL
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};
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