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Annotation of previous_trunk/src/includes/scsi.h, revision 1.1.1.1

1.1       root        1: /* SCSI Bus and Disk emulation */
                      2: 
                      3: /* SCSI phase */
                      4: #define PHASE_DO      0x00 /* data out */
                      5: #define PHASE_DI      0x01 /* data in */
                      6: #define PHASE_CD      0x02 /* command */
                      7: #define PHASE_ST      0x03 /* status */
                      8: #define PHASE_MO      0x06 /* message out */
                      9: #define PHASE_MI      0x07 /* message in */
                     10: 
                     11: struct {
                     12:     Uint8 target;
                     13:     Uint8 phase;
                     14: } SCSIbus;
                     15: 
                     16: 
                     17: /* Command Descriptor Block */
                     18: #define SCSI_CDB_MAX_SIZE 12
                     19: 
                     20: 
                     21: /* This buffer temporarily stores data to be written to memory or disk */
                     22: 
                     23: struct {
                     24:     Uint8 data[512]; /* FIXME: BLOCKSIZE */
                     25:     int limit;
                     26:     int size;
                     27:     bool disk;
                     28: } scsi_buffer;
                     29: 
                     30: 
                     31: void SCSI_Init(void);
                     32: void SCSI_Uninit(void);
                     33: void SCSI_Reset(void);
                     34: void SCSI_Insert(Uint8 target);
                     35: void SCSI_Eject(Uint8 target);
                     36: 
                     37: Uint8 SCSIdisk_Send_Status(void);
                     38: Uint8 SCSIdisk_Send_Message(void);
                     39: Uint8 SCSIdisk_Send_Data(void);
                     40: void SCSIdisk_Receive_Data(Uint8 val);
                     41: bool SCSIdisk_Select(Uint8 target);
                     42: void SCSIdisk_Receive_Command(Uint8 *commandbuf, Uint8 identify);
                     43: 
                     44: Sint64 SCSI_Seek_Time(void);
                     45: Sint64 SCSI_Sector_Time(void);

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