CODE4 System Messages. Michel Poirier MIDICOM, Montreal 167/111 ------------------------------------------------------------------------------ Status Byte Data Byte Data Byte Description Detail ----------- --------- --------- ------------------ ----------------------- 1111 0000 : 0iii iiii 0ddd dddd System Exclusive i: Identification F0 : 00 7F 00 7F d: Data * 240 : 0 127 0 127 EOX : 1111 0111 End of Exclusive F7 247 * Any number of Data may follow. Must end with EOX Status Byte Data Byte Data Byte Description Detail ----------- --------- --------- ------------------ ----------------------- 1111 0sss : 0ddd dddd 0ddd dddd System Common s: System Message F1 F7 : 00 7F 00 7F d: Data * 241 247 : 0 127 0 127 * Variable amount of Data bytes from 0 to 2. Data Binary Hx Dec Description ---- --------- -- --- -------------------------------------------------- s = 1111 0001 F1 241 Undefined ---- --------- -- --- -------------------------------------------------- s = 1111 0010 F2 242 Song Position Pointer d1= 0lll llll LSB d2= 0hhh hhhh MSB ---- --------- -- --- -------------------------------------------------- s = 1111 0011 F3 243 Song Select d = 0xxx xxxx Song Number ---- --------- -- --- -------------------------------------------------- s = 1111 0100 F4 244 Undefined ---- --------- -- --- -------------------------------------------------- s = 1111 0101 F5 245 Undefined ---- --------- -- --- -------------------------------------------------- s = 1111 0110 F6 246 Tune Request ---- --------- -- --- -------------------------------------------------- s = 1111 0111 F7 247 End of Exclusive Status Byte Data Byte Data Byte Description Detail ----------- --------- --------- ------------------ ----------------------- 1111 1ttt : No Data No Data System Real Time t: Timing Message F8 FF : 248 255 : Data Binary Hx Dec Description ---- --------- -- --- -------------------------------------------------- t = 1111 1000 F8 248 Timing Clock ---- --------- -- --- -------------------------------------------------- t = 1111 1001 F9 249 Undefined ---- --------- -- --- -------------------------------------------------- t = 1111 1010 FA 250 Start ---- --------- -- --- -------------------------------------------------- t = 1111 1011 FB 251 Continue ---- --------- -- --- -------------------------------------------------- t = 1111 1100 FC 252 Stop ---- --------- -- --- -------------------------------------------------- t = 1111 1101 FD 253 Undefined ---- --------- -- --- -------------------------------------------------- t = 1111 1110 FE 254 Active Sensing ---- --------- -- --- -------------------------------------------------- t = 1111 1111 FF 255 System Reset ------------------------------------------------------------------------------