xemu-project/xemu
1
0
Fork 0
mirror of https://github.com/xemu-project/xemu.git synced 2024-11-23 19:49:43 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

audio: GUSword is uint16_t

Browse Source 
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-id: 20170425223739.6703-19-quintela@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Juan Quintela 2017-04-26 00:37:31 +02:00 committed by Gerd Hoffmann
parent 1c742f2b8e
commit 4bf7792aae
2 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
hw/audio/gusemu_hal.c
View File

@ -31,7 +31,7 @@
#include "gusemu.h"
#define GUSregb(position) (* (gusptr+(position)))
#define GUSregw(position) (*(GUSword *) (gusptr+(position)))
#define GUSregw(position) (*(uint16_t *) (gusptr+(position)))
#define GUSregd(position) (*(GUSdword *)(gusptr+(position)))
/* size given in bytes */
@ -173,7 +173,7 @@ unsigned int gus_read(GUSEmuState * state, int port, int size)
value_read = value_read >> 8;
value_read &= 0xff;
}
return (GUSword) value_read;
return (uint16_t) value_read;
/* case 0x306: */ /* Mixer/Version info */
/* return 0xff; */ /* Pre 3.6 boards, ICS mixer NOT present */
case 0x307: /* DRAMaccess */
@ -318,15 +318,15 @@ void gus_write(GUSEmuState * state, int port, int size, unsigned int data)
case 0x304:
case 0x305:
{
GUSword writedata = (GUSword) data;
GUSword readmask = 0x0000;
uint16_t writedata = (uint16_t) data;
uint16_t readmask = 0x0000;
if (size == 1)
{
readmask = 0xff00;
writedata &= 0xff;
if ((port & 0xff0f) == 0x305)
{
writedata = (GUSword) (writedata << 8);
writedata = (uint16_t) (writedata << 8);
readmask = 0x00ff;
}
}
@ -353,7 +353,7 @@ void gus_write(GUSEmuState * state, int port, int size, unsigned int data)
break; /* reset flag active? */
offset = 2 * (GUSregb(FunkSelReg3x3) & 0x0f);
offset += (GUSregb(VoiceSelReg3x2) & 0x1f) << 5; /* = Voice*32 + Funktion*2 */
GUSregw(offset) = (GUSword) ((GUSregw(offset) & readmask) | writedata);
GUSregw(offset) = (uint16_t) ((GUSregw(offset) & readmask) | writedata);
}
break;
/* voice unspecific functions */
@ -521,7 +521,7 @@ void gus_dma_transferdata(GUSEmuState * state, char *dma_addr, unsigned int coun
destaddr = (char *) state->himemaddr + offset; /* wavetable RAM address */
}
GUSregw(GUS42DMAStart) += (GUSword) (count >> 4); /* ToDo: add 16bit GUS page limit? */
GUSregw(GUS42DMAStart) += (uint16_t) (count >> 4); /* ToDo: add 16bit GUS page limit? */
GUSregb(GUS50DMAHigh) = (uint8_t) ((count + GUSregb(GUS50DMAHigh)) & 0xf); /* ToDo: add 16bit GUS page limit? */
if (GUSregb(GUS41DMACtrl) & 0x02) /* direction, 0 := sysram->gusram */

8
hw/audio/gusemu_mixer.c
View File

@ -27,10 +27,10 @@
#include "gustate.h"
#define GUSregb(position) (* (gusptr+(position)))
#define GUSregw(position) (*(GUSword *) (gusptr+(position)))
#define GUSregw(position) (*(uint16_t *) (gusptr+(position)))
#define GUSregd(position) (*(GUSdword *)(gusptr+(position)))
#define GUSvoice(position) (*(GUSword *)(voiceptr+(position)))
#define GUSvoice(position) (*(uint16_t *)(voiceptr+(position)))
/* samples are always 16bit stereo (4 bytes each, first right then left interleaved) */
void gus_mixvoices(GUSEmuState * state, unsigned int playback_freq, unsigned int numsamples,
@ -39,14 +39,14 @@ void gus_mixvoices(GUSEmuState * state, unsigned int playback_freq, unsigned int
/* note that byte registers are stored in the upper half of each voice register! */
uint8_t *gusptr;
int Voice;
GUSword *voiceptr;
uint16_t *voiceptr;
unsigned int count;
for (count = 0; count < numsamples * 2; count++)
*(bufferpos + count) = 0; /* clear */
gusptr = state->gusdatapos;
voiceptr = (GUSword *) gusptr;
voiceptr = (uint16_t *) gusptr;
if (!(GUSregb(GUS4cReset) & 0x01)) /* reset flag active? */
return;