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audio improvement wip

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@33 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-02-08 23:19:53 +00:00
parent f80d67e12b
commit 85f8e92973
11 changed files with 65 additions and 27 deletions
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11
platform/gp2x/gp2x.c
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@ -52,6 +52,7 @@ void *gp2x_screen;
#define FRAMEBUFF_ADDR3 0x4000000-640*480*4
static const int gp2x_screenaddrs[] = { FRAMEBUFF_ADDR0, FRAMEBUFF_ADDR1, FRAMEBUFF_ADDR2, FRAMEBUFF_ADDR3 };
static unsigned short gp2x_screenaddr_old[4];
/* video stuff */
@ -269,6 +270,11 @@ void gp2x_init(void)
gp2x_screen = gp2x_screens[0];
screensel = 0;
gp2x_screenaddr_old[0] = gp2x_memregs[0x290E>>1];
gp2x_screenaddr_old[1] = gp2x_memregs[0x2910>>1];
gp2x_screenaddr_old[2] = gp2x_memregs[0x2912>>1];
gp2x_screenaddr_old[3] = gp2x_memregs[0x2914>>1];
// snd
mixerdev = open("/dev/mixer", O_RDWR);
if (mixerdev == -1)
@ -288,6 +294,11 @@ void gp2x_deinit(void)
Pause940(1);
gp2x_video_changemode(15);
gp2x_memregs[0x290E>>1] = gp2x_screenaddr_old[0];
gp2x_memregs[0x2910>>1] = gp2x_screenaddr_old[1];
gp2x_memregs[0x2912>>1] = gp2x_screenaddr_old[2];
gp2x_memregs[0x2914>>1] = gp2x_screenaddr_old[3];
munmap(gp2x_screens[0], 640*480*4);
munmap((void *)gp2x_memregs, 0x10000);
close(memdev);