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GUS soundcard improvements :

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IO address flexibilty
256k, 512k or 1Mo total memory available
This commit is contained in:
Altheos
2019-08-12 17:27:57 +02:00
parent 3b976a371e
commit f04973834d
1 changed files with 44 additions and 11 deletions
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55
src/devices/sound/snd_gus.c
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@@ -8,7 +8,7 @@
*
* Implementation of the Gravis UltraSound sound device.
*
* Version: @(#)snd_gus.c 1.0.15 2019/05/17
* Version: @(#)snd_gus.c 1.0.16 2019/06/27
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
@@ -136,6 +136,7 @@ typedef struct {
int irq,
dma,
irq_midi;
uint16_t base;
int latch_enable;
uint8_t sb_2xa,
@@ -692,8 +693,9 @@ gus_read(uint16_t addr, priv_t priv)
{
gus_t *dev = (gus_t *)priv;
uint8_t val = 0xff;
uint16_t port = addr - dev->base;
switch (addr) {
switch (port) {
case 0x340: /*MIDI status*/
val = dev->midi_status;
break;
@@ -1189,11 +1191,11 @@ gus_init(const device_t *info, UNUSED(void *parent))
switch(info->local) {
case 0: /* Standard GUS */
io_sethandler(0x0240, 16,
io_sethandler(dev->base, 16,
gus_read,NULL,NULL, gus_write,NULL,NULL, dev);
io_sethandler(0x0340, 16,
io_sethandler(dev->base+0x0100, 16,
gus_read,NULL,NULL, gus_write,NULL,NULL, dev);
io_sethandler(0x0746, 1,
io_sethandler(dev->base+0x0506, 1,
gus_read,NULL,NULL, gus_write,NULL,NULL, dev);
io_sethandler(0x0388, 2,
gus_read,NULL,NULL, gus_write,NULL,NULL, dev);
@@ -1206,15 +1208,15 @@ gus_init(const device_t *info, UNUSED(void *parent))
cs423x_setirq(&dev->cs423x, 5); /*Default irq and dma from GUS SDK*/
cs423x_setdma(&dev->cs423x, 3);
io_sethandler(0x0240, 16,
io_sethandler(dev->base, 16,
gus_read,NULL,NULL, gus_write,NULL, NULL, dev);
io_sethandler(0x0340, 9,
io_sethandler(dev->base+0x0100, 9,
gus_read,NULL,NULL, gus_write,NULL, NULL, dev);
io_sethandler(0x0746, 1,
io_sethandler(dev->base+0x0506, 1,
gus_read,NULL,NULL, gus_write,NULL, NULL, dev);
io_sethandler(0x0388, 2,
gus_read,NULL,NULL, gus_write,NULL, NULL, dev);
io_sethandler(0x034c, 4,
io_sethandler(dev->base+0x010c, 4,
cs423x_read,NULL,NULL, cs423x_write,NULL,NULL, &dev->cs423x);
break;
@@ -1259,8 +1261,39 @@ speed_changed(priv_t priv)
#endif
}
static const device_config_t gus_config[] = {
{
"base", "Address", CONFIG_HEX16, "", 0x0350,
{
{
"210H", 0x0210
},
{
"220H", 0x0220
},
{
"230H", 0x0230
},
{
"240H", 0x0240
},
{
"250H", 0x0250
},
{
"260H", 0x0260
},
{
""
}
},
},
{
"", "", -1
}
};
const device_t gus_device = {
static const device_t gus_device = {
"Gravis UltraSound",
DEVICE_ISA,
0,
@@ -1272,7 +1305,7 @@ const device_t gus_device = {
};
#if defined(DEV_BRANCH) && defined(USE_GUSMAX)
const device_t gusmax_device = {
static const device_t gusmax_device = {
"Gravis UltraSound MAX",
DEVICE_ISA,
1,