GIFtag Overview ============================ Vers. 0.1 2004/07/03 by blue For correction or comments mail to blue at neoscientists.org Updates are available from http://www.neoscientists.org/ ----------------------------------------------------------------- | REGS | NREG | FLG | PRIM | PRE | - | EOP | NLOOP | ----------------------------------------------------------------- 127 64 60 58 47 46 15 00 ----------.-----------.-------------------------------------------- NLOOP | 14:0 | repeat count | | PACKED mode NREG*NLOOP(qword) | | REGLIST mode NREG*NLOOP(dword) | | IMAGE mode NLOOP (qword) ----------+-----------+-------------------------------------------- EOP | 15 | end of packet | | 0 - with following primitive | | 1 - without following primitive ----------+-----------+-------------------------------------------- PRE | 46 | PRIM field enable | | 0 - ignore PRIM field | | 1 - output PRIM field to PRIM register ----------+-----------+-------------------------------------------- PRIM | 57:47 | data to be set to the PRIM register ----------+-----------+-------------------------------------------- FLG | 59:58 | data format | | 00 - PACKED mode | | 01 - REGLIST mode | | 10 - IMAGE mode | | 11 - disable ----------+-----------+-------------------------------------------- NREG | 63:60 | register descriptor | | number of reg desc in REGS field | | when 0, the number of desc is 16 ----------+-----------+-------------------------------------------- REGS | 127:64 | register descriptor (4 bits x 16 max) ----------^-----------^--------------------------------------------