程序代做 IMM11 R7 = PC + 1; PC = (PC & 0x8000) | (IMM11 << 4) 01001IIIIII程序代写 CS代考 LC4 Instruction Set Instructions BRn IMM9 BRnz IMM9 Copyright By PowCoder代写 加微信 powcoder BRnp IMM9 BRz IMM9 BRzp IMM9 BRp IMM9 BRnzp IMM9 PC = PC+1+SEXT(IMM9) Do Nothing 0000000——— 0000100IIIIIIIII 0000110IIIIIIIII 0000101IIIIIIIII 0000010IIIIIIIII 0000011IIIIIIIII 0000001IIIIIIIII 0000111IIIIIIIII 0001dddsss000ttt 0001dddsss001ttt 0001dddsss010ttt 0001dddsss011ttt 0001dddsss1IIIII 0010sss00—-ttt 0010sss01—-ttt 0010sss10IIIIIII 0010sss11UUUUUUU N ? PC = PC+1+SEXT(IMM9) N|Z ? PC = PC+1+SEXT(IMM9) N|P ? PC = PC+1+SEXT(IMM9) Z ? PC = PC+1+SEXT(IMM9) Z|P ? PC = PC+1+SEXT(IMM9) P ? PC = PC+1+SEXT(IMM9) ADD Rd Rs IMM5 Rd = Rs + SEXT(IMM5) NZP = signed-CC(Rs-Rt) NZP = unsigned-CC(Rs-Rt) NZP = signed-CC(Rs-SEXT(IMM7)) NZP = unsigned-CC(Rs-UIMM7) Rt Rt Rt Rt CMPU Rs Rt CMPI Rs IMM7 CMPIU Rs UIMM7 JSR IMM11 R7 = PC + 1; PC = (PC & 0x8000) | (IMM11 << 4) 01001IIIIIIIIIII OR Rd Rs Rt XOR RdRsRt AND Rd Rs IMM5 LDR Rd Rs IMM6 STR Rt Rs IMM6 RTI CONST Rd IMM9 SLL Rd Rs UIMM4 SRA Rd Rs UIMM4 SRL Rd Rs UIMM4 MOD Rd Rs Rt JMP IMM11 HICONST Rd, UIMM8 TRAP UIMM8 LEA R1 LC R1 .ADDR UIMM16 .FILL IMM16 .BLKW UIMM16 .CONST IMM16 .UCONST UIMM16 Rd = Rs & SEXT(IMM5) Rd = dmem[Rs + SEXT(IMM6)] dmem[Rs + SEXT(IMM6)] = Rt PC=R7;PSR[15]=0 Rd = SEXT(IMM9) 01000–sss—— 0101dddsss000ttt 0101dddsss001— 0101dddsss010ttt 0101dddsss011ttt 0101dddsss1IIIII 0110dddsssIIIIII 0111tttsssIIIIII 1000———– 1001dddIIIIIIIII 1010dddsss00UUUU 1010dddsss01UUUU 1010dddsss10UUUU 1010dddsss11-ttt 11000–sss—— 11001IIIIIIIIIII 1101ddd1UUUUUUUU 1111—-UUUUUUUU IIIIIIIIIIIIIIII 0000000000000000 PC = PC+1+SEXT(IMM11) Rd=(Rd&0xFF)|(UIMM8<<8) R7=PC+1;PC=(x8000|UIMM8);PSR[15]=1 Pseudo-Instructions R1 = address of label R1 = constant at label Assembly Directives current memory is data current memory is code set current address to UIMM16 pad current address to 16-word boundary set value at current address to IMM16 reserve UIMM16 words at current address associate IMM16 with preceding label associate UIMM16 with preceding label << UIMM4 >>> UIMM4 >> UIMM4 %Rt 001: opcode or sub-opcode ddd: d-register, sss: s-register, ttt: t-register III: signed immediate, UUU: unsigned immediate, —: don’t care 程序代写 CS代考 加微信: powcoder QQ: 1823890830 Email: powcoder@163.com