audio improvement wip

[libpicofe.git] / gp2x / gp2x.c

diff --git a/gp2x/gp2x.c b/gp2x/gp2x.c
index 18c5e48..b02a685 100644 (file)
--- a/gp2x/gp2x.c
+++ b/gp2x/gp2x.c
@@ -52,6 +52,7 @@ void *gp2x_screen;
 #define FRAMEBUFF_ADDR3 0x4000000-640*480*4\r
 \r
 static const int gp2x_screenaddrs[] = { FRAMEBUFF_ADDR0, FRAMEBUFF_ADDR1, FRAMEBUFF_ADDR2, FRAMEBUFF_ADDR3 };\r
+static unsigned short gp2x_screenaddr_old[4];\r
 \r
 \r
 /* video stuff */\r
@@ -269,6 +270,11 @@ void gp2x_init(void)
        gp2x_screen = gp2x_screens[0];\r
        screensel = 0;\r
 \r
+       gp2x_screenaddr_old[0] = gp2x_memregs[0x290E>>1];\r
+       gp2x_screenaddr_old[1] = gp2x_memregs[0x2910>>1];\r
+       gp2x_screenaddr_old[2] = gp2x_memregs[0x2912>>1];\r
+       gp2x_screenaddr_old[3] = gp2x_memregs[0x2914>>1];\r
+\r
        // snd\r
        mixerdev = open("/dev/mixer", O_RDWR);\r
        if (mixerdev == -1)\r
@@ -288,6 +294,11 @@ void gp2x_deinit(void)
        Pause940(1);\r
 \r
        gp2x_video_changemode(15);\r
+       gp2x_memregs[0x290E>>1] = gp2x_screenaddr_old[0];\r
+       gp2x_memregs[0x2910>>1] = gp2x_screenaddr_old[1];\r
+       gp2x_memregs[0x2912>>1] = gp2x_screenaddr_old[2];\r
+       gp2x_memregs[0x2914>>1] = gp2x_screenaddr_old[3];\r
+\r
        munmap(gp2x_screens[0], 640*480*4);\r
        munmap((void *)gp2x_memregs, 0x10000);\r
        close(memdev);\r