extern void (*PicoWriteSound)(int len); // called once per frame at the best time to send sound buffer (PsndOut) to hardware\r
extern void (*PicoMessage)(const char *msg); // callback to output text message from emu\r
\r
+// cd/Pico.c\r
int PicoFrameMCD(void);\r
+extern void (*PicoMCDopenTray)(void);\r
+extern int (*PicoMCDcloseTray)(void);\r
\r
extern int PicoCDBuffers;\r
\r