Pico PCM, only one hardcoded mode for now

[picodrive.git] / Pico / Pico.h

diff --git a/Pico/Pico.h b/Pico/Pico.h
index f443bae..0178590 100644 (file)
--- a/Pico/Pico.h
+++ b/Pico/Pico.h
@@ -71,8 +71,20 @@ extern int  (*PicoMCDcloseTray)(void);
 extern int PicoCDBuffers;\r
 \r
 // Pico/Pico.c\r
-extern int PicoPicoPenPos[2]; // x: 0x03c-0x17d, y: 0x200-0x2d8\r
-extern int PicoPicoPage;\r
+#define XPCM_BUFFER_SIZE (320+32)\r
+typedef struct\r
+{\r
+       int pen_pos[2];\r
+       int page;\r
+       // internal\r
+       int fifo_bytes;      // free bytes in FIFO\r
+       int fifo_line_bytes; // float part, << 16\r
+       int line_counter;\r
+       unsigned short r1, r12;\r
+       unsigned char xpcm_buffer[XPCM_BUFFER_SIZE+4];\r
+       unsigned char *xpcm_ptr;\r
+} picohw_state;\r
+extern picohw_state PicoPicohw;\r
 \r
 // Area.c\r
 typedef size_t (arearw)(void *p, size_t _size, size_t _n, void *file);\r