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minor cleanup to GUS code

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This commit is contained in:
Altheos
2019-08-13 11:06:27 +02:00
parent dbe7610497
commit ddd4e8ee02
1 changed files with 11 additions and 11 deletions
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22
src/devices/sound/snd_gus.c
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@@ -124,7 +124,7 @@ typedef struct {
samp_latch;
uint8_t *ram;
uint32_t gus_end_ram;
uint32_t gus_end_ram;
int pos;
int16_t buffer[2][SOUNDBUFLEN];
@@ -244,10 +244,10 @@ gus_write(uint16_t addr, uint8_t val, priv_t priv)
{
gus_t *dev = (gus_t *)priv;
#if defined(DEV_BRANCH) && defined(USE_GUSMAX)
uint16_t ioport;
uint16_t csioport;
#endif
int c, d, old;
uint16_t port;
uint16_t port;
if ((addr == 0x388) || (addr == 0x389))
port = addr;
@@ -680,12 +680,12 @@ gus_write(uint16_t addr, uint8_t val, priv_t priv)
#if defined(DEV_BRANCH) && defined(USE_GUSMAX)
if (val & 0x40) {
if ((val & 0xF) != ((addr >> 4) & 0xF)) { /* Fix me : why is DOS application attempting to relocate the CODEC ? */
ioport = 0x30c | ((addr >> 4) & 0xf);
io_removehandler(ioport, 4,
csioport = 0x30c | ((addr >> 4) & 0xf);
io_removehandler(csioport, 4,
cs423x_read,NULL,NULL,
cs423x_write,NULL,NULL,&dev->cs423x);
ioport = 0x30c | ((val & 0xf) << 4);
io_sethandler(ioport, 4,
csioport = 0x30c | ((val & 0xf) << 4);
io_sethandler(csioport, 4,
cs423x_read,NULL,NULL,
cs423x_write,NULL,NULL, &dev->cs423x);
}
@@ -1180,13 +1180,13 @@ gus_init(const device_t *info, UNUSED(void *parent))
gus_t *dev;
double out = 1.0;
int c;
uint8_t gus_ram = device_get_config_int("gus_ram");
uint8_t gus_ram = device_get_config_int("gus_ram");
dev = (gus_t *)mem_alloc(sizeof(gus_t));
memset(dev, 0x00, sizeof(gus_t));
dev->gus_end_ram = 1 << (18 + gus_ram);
dev->ram = (uint8_t *)mem_alloc(dev->gus_end_ram);
dev->gus_end_ram = 1 << (18 + gus_ram);
dev->ram = (uint8_t *)mem_alloc(dev->gus_end_ram);
memset(dev->ram, 0x00, (dev->gus_end_ram));
for (c = 0; c < 32; c++) {
@@ -1208,7 +1208,7 @@ gus_init(const device_t *info, UNUSED(void *parent))
dev->t1l = dev->t2l = 0xff;
dev->base = device_get_config_hex16("base");
dev->base = device_get_config_hex16("base");
switch(info->local) {
case 0: /* Standard GUS */