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Geode GXLV Processor Series Low Power Integrated x86 Solutions

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<strong>Geode</strong> <strong>GXLV</strong> <strong>Processor</strong> <strong>Series</strong>Instruction Set (Continued)CALL Subroutine CallInstructionDirect Within Segment E8 +++ - - - - - - - - - 3 3 b h,j,k,rRegister/Memory Indirect Within Segment FF [mod 010 r/m] 3/4 3/4Direct Intersegment-CallGatetoSamePrivilege-Call Gate to Different Privilege No Par’s-Call Gate to Different Privilege m Par’s-16-bit Task to 16-bit TSS-16-bit Task to 32-bit TSS-16-bit Task to V86 Task-32-bit Task to 16-bit TSS-32-bit Task to 32-bit TSS-32-bit Task to V86 TaskIndirect Intersegment-CallGatetoSamePrivilege-Call Gate to Different Privilege No Par’s-Call Gate to Different Privilege m Par’s-16-bit Task to 16-bit TSS-16-bit Task to 32-bit TSS-16-bit Task to V86 Task-32-bit Task to 16-bit TSS-32-bit Task to 32-bit TSS-32-bit Task to V86 TaskTable 7-27. <strong>Processor</strong> Core Instruction Set Summary (Continued)Opcode9A [unsigned full offset,selector]9 14244551+2m183189123186192126FF [mod 011 r/m] 11 15254652+2m184190124187193127CBW Convert Byte to Word 98 - - - - - - - - - 3 3CDQ Convert Doubleword to Quadword 99 - - - - - - - - - 2 2CLC Clear Carry Flag F8 - - - - - - - - 0 1 1CLD Clear Direction Flag FC - 0 - - - - - - - 4 4CLI Clear Interrupt Flag FA - - 0 - - - - - - 6 6 mCLTS Clear Task Switched Flag 0F 06 - - - - - - - - - 7 7 c lCMC Complement the Carry Flag F5 - - - - - - - - x 3 3CMOVA/CMOVNBE Move if Above/Not Below or EqualRegister, Register/Memory 0F 47 [mod reg r/m] - - - - - - - - - 1 1 rCMOVBE/CMOVNA Move if Below or Equal/Not AboveRegister, Register/Memory 0F 46 [mod reg r/m] - - - - - - - - - 1 1 rCMOVAE/CMOVNB/CMOVNC Move if Above or Equal/Not Below/Not CarryRegister, Register/Memory 0F 43 [mod reg r/m] - - - - - - - - - 1 1 rCMOVB/CMOVC/CMOVNAE Move if Below/Carry/Not Above or EqualRegister, Register/Memory 0F 42 [mod reg r/m] - - - - - - - - - 1 1 rCMOVE/CMOVZ Move if Equal/ZeroRegister, Register/Memory 0F 44 [mod reg r/m] - - - - - - - - - 1 1 rCMOVNE/CMOVNZ Move if Not Equal/Not ZeroRegister, Register/Memory 0F 45 [mod reg r/m] - - - - - - - - - 1 1 rCMOVG/CMOVNLE Move if Greater/Not Less or EqualRegister, Register/Memory 0F 4F [mod reg r/m] - - - - - - - - - 1 1 rCMOVLE/CMOVNG Move if Less or Equal/Not GreaterRegister, Register/Memory 0F 4E [mod reg r/m] - - - - - - - - - 1 1 rCMOVL/CMOVNGE Move if Less/Not Greater or EqualRegister, Register/Memory 0F 4C [mod reg r/m] - - - - - - - - - 1 1 rCMOVGE/CMOVNL Move if Greater or Equal/Not LessRegister, Register/Memory 0F 4D [mod reg r/m] - - - - - - - - - 1 1 rCMOVO Move if OverflowRegister, Register/Memory 0F 40 [mod reg r/m] - - - - - - - - - 1 1 rCMOVNO Move if No OverflowRegister, Register/Memory 0F 41 [mod reg r/m] - - - - - - - - - 1 1 rCMOVP/CMOVPE Move if Parity/Parity EvenRegister, Register/Memory 0F 4A [mod reg r/m] - - - - - - - - - 1 1 rCMOVNP/CMOVPO Move if Not Parity/Parity OddRegister, Register/Memory 0F 4B [mod reg r/m] - - - - - - - - - 1 1 rFlagsO D I T S Z A P CF F F F F F F F FRealModeProt’dModeClock Count(Reg/Cache Hit)RealModeProt’dModeIssueswww.national.com 218 Revision 1.3

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