commands.h

关于DVD的MPEG2用的DSP代码,在DSP的实现MPEG的压缩,解压算法.

#define VRAM_6502		0x2C000
#define RAM_6502		0x30000
#define ROM_HEAP_BASE	0x80000

/* issued to Comm_Reg0 */
//#ifndef RH_MERGE
#define COMM_IO_WR  0x1
#define COMM_IO_RD  0x2
#define COMM_START  0x3
#define COMM_INTER  0x4
//#endif // RH_MERGE
#define COMM_DLOOP  0x5
#define COMM_PRINT  0x6
#define COMM_STALL  0xF

#define COMM_INIT   0x55
#define COMM_ACK    0x11
#define COMM_VCD    0x20
#define COMM_CD     0x21
#define COMM_SVCD   0x22       /*and CVD*/
#define COMM_GAME   0x23

#define COMM_ID_X   0x1
#define COMM_ID_Y   0x2
#define COMM_ID_A   0x3
#define COMM_ID_P   0x4
#define COMM_ID_S   0x5
#define COMM_ID_PC  0x6
#define COMM_ID_I   0x7
#define COMM_ID_LF  0x8