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Intel 210200-002 manual IAPX 88 Architecture Instructions

Models: 210200-002

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IAPX 88/10 Characteristics Block Translate Flowchart +- Reset Assembly Language PROGRAMMING1 Call Call Procedure Call Ascii Adjust for Division Powerful String Processing Enable Flag Load Pointer Using ES LES Minimum/Maximum Mode

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iAPX 88 Architecture	2
iAPX 88 Architecture
And Instructions

Page 33 Page 35

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Intel 210200-002 manual IAPX 88 Architecture Instructions

Page 33 Page 35

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Contents

IAPX Inter Intel Corporation About this Book Page Table of Contents List of Figures List of Figures IAPX 88 VS. Zilog Z8D Introduction To Page Chapter Introduction Execution ~STRUCTION BUS Bus Interface and Execution Units Work in Parallel ~~~11~~ks Control Registers Cal address Fig Result is always 20-bits ofphysical address 13. Process Relocation Displacement = 12 Wage Code Index Instruction SET Powerful String Processing Conditional Transfers Interfacing the 8088 is Easy Flexible Using Special Multiplexed Bus Parts \2~~~~\~~j-1L8~0~88~ To,ITovide extra drive capability for the data IAPX 88 Performance is Cost Effective Processor Introduction Review IAPX 188 CPU Interrupt Controller IAPX 188 CPU CPU Internal Registers IAPX 88 Architecture Instructions Page Chapter Architecture and Instructions Data Registers Pointer and Index Registers Flag Register File Addressing Modes ==~TA~~=J Direct Addressing Fffffh ·--- 16 BITs----I.~1 Organization of the Instruction SET Accumulator-Specific Transfers Addition Logic Instructions Five primitive string oper~tions are provided Body of this loop requires seven bytes of code NMI Instruction Timings Assembly Language PROGRAMMING1 ~g~~CE TRANSLATOR~g~bEECT Inanqout Segment MY Data Segment Summary Inandout Segment Equal DB ? INC CX increment CX AL,PORTVAL OUT Portval and OFEH,AL Assembler will assemble Some examples are Thing Dontcare DB ?,?,?,?,?,?,?,? Allzero DB 6 DUP Then we could name first the byte in the word as follows Segment Ends Assume Mydata Segment Ends Myextra Alpha Beta Gamma Mystack BL,X Assume Dsnothing Cycle INC OLD~BYTE Near and Far Retstart Cycle NIL INC AX MOV AX,BX SI Cmps BETA,ALPHA Scas Alpha Lods Alpha Stos Beta Add two unpacked BCD Ascii strings together Move 50 bytes between two overlapping strings 14. ASM-86 Reserved Words 14. ASM 86 Reserved Words References For Instruction SET Used Explanation REF Referencesref For Instruction SET Identifier Explanation REF References REF For Instruction SET Mod Field Bit AssignmentsPage AAA Ascii Adjust AAA For Addition Operation Flags Affected Ascii Adjust for Division Description Ascii Adjust AAM for Multiply AAM AAS Ascii Adjust AAS For Subtraction 1001111111 ADC ADD with Carry ADC ADC destination, source ADC ADD with Carry ADC Additionadd ADD destination,source ADDCX, OX Logical Destination,source Logical BETA, 01H Call Call Procedure Call Call procedure-name Call Call Procedure Call CBW Convert Byte CBW Toword 1100110001 CLC Clear Carry 1111110001 Flag 1111111001 Enable Flag Complement Carry Flag 1111101011 Comparecmp CMP destination, source CMP Compare Immediate Operand with Accumulator EM PS destination-string, source-string Cmps Compare String Cmps Byte or Word11010011wl Rep CWD Convert Word CWD To Doubleword DAA Decimal Adjust DAA For Addition DAS Decimal Adjust DAS For Subtraction 1001011111 DEC DIV Dividediv DIV Escape ESC 20,AL Halthlt 11110100 Idiv Integer Divide Idiv Integer Divide Imul Integer Multiply Imul Input Byte or Word Accumulator,port Incrementinc INC destination Interrupt INT interrupt-type INT Interruptint Encoding 1110011101 Iret Interrupt Return Iret 1110011111 Jump on Above Jumponnotbelow Or Equal JNB Jump on below Jump on not Above or Equal Disp JNA Jump on Carry Jcxz Jcxz short-label Jump on Equal Jump on Zero Jnle Jump on Greater JGE JNL JGE Jump on Greater or Equal JNL Jump on not Less Jump on Less Jumponnot Greater or Equal JLE JNG Jump on not Greater JMP Jump Unconditionally JMP JMP target MP Jump Unconditionally JMP JNC Jump on not Carry JNC JNE JNZ JNE Jump on not Equal JNZ Jump on not Zero Jump on not Overflow Jump on not Sign JNP JPO JNP Jump on not Parity JPO Jump on Parity ODD Jump on Overflow JO JPE Jump on Sign Lahf Load Register AH Lahf From Flags 111 0001 01 1mod reg rIm LOS destination,source Load Effective Address LEA destination,source Load Pointer Using ES LES LES destination, source Lock Lock the BUS Lock 11010110wl Lods Load String Lods Byte or WordLods source-string Loop Looploop Loop short-label Loopwhile Equal Zero LOOPE/LOOPZ short-label Loopwhile LOOPNE/LOOPNZ short-label 11100011 w 1 mod 000 rim 1 data MOV Movebyteorword MOV110001 0 d w 1mod reg rim 0 1 1 w reg I· data 11000111 0 Imod 0 reg r/ml MOV Move Byte or Word MOV11 00011 00 Imod 0 reg r I ml 11010010wl Movs Move String MovsMovs destination-string, source-string Multiplymul MUL source 11111 011 w 1mod a11 rIm NegatenegNEG destination No Operation 1100100001 11111 01 1 w 1mod 0 1 0 rim Logical not notNot destination Logical or Or destination,source Or AL, BL 11110111wl Outputout1111 00 11 w 1 port 1014 Poppop POP destination POP POP POP Flags Popf All Push Pushpush 01 01 0 reg Pushpush111111111 1mod 11 0 rIm 10 0 0 reg 1 1 0 Pushf RCL Rotate Through RCL Carry Left RCL destination, count RCL Rotate Through RCL Carry Right RCR destination, count Repeat While Equal Repeat While Zero Repeat While not Equal Repeat While not Zero Repeat While Equal Repeat While Zero Repeat While not Equal Repeat While not Zero Repeat While not Equal Repeatwhile not Zero 1111001Z Returnret RET optional-pap-value 11 1 00001 0 1 data-low 11100001111110010111 ROL Rotate Left ROL ROL destination, count Rotate Right ROR ROR destination, count Sahf Store Register AH Sahf Into Flags 1100111101 SAL Shift Arithmetic Left SHL Shift Logical Left CF, OF, PF, SF, ZF SAL SHL Shift Arithmetic Left Shift Logical Left SAR Shift Arithmetic SAR Right CF, OF, PF, SF, ZF SAR Operands Clocks Transfers Bytes SAR Coding Example Subtract with Borrow See destination,source SBB SeAS destination-string Scas Scan Byte or Scas Word String11010111wl + 1519/rep SHR Shift Logical Right SHR SHR destination, source 111 01 00 v w 1mod 1 01 rIm If v = 0 then Count = 1 else Count = CL SET Carry 1111110011 STD SET Direction Flag STD 1111111011 SET INTERRUPT· Enable Flag 11010101wl Stos Store BYTE/OR/ Stos Word StringStos destination-string Subtractsub SUB destination,source SUB Subtractsub Testtest Test destination,source 11111 011 w 1 mod 000 rIm 1 data 1100001 0 w 1mod reg rIm11 0 1 0 1 0 0 w 1 data Waitwait 1100110111 Exchange Xchg Xchg destination, source 11000011 w 1mod reg rIm 001 0 reg 11010111 Xlat translate-table Exclusive or XOR XOR destination,source XORCX, BX Page IAPX Hardware Design Page Hardware Design Hardware Design Timing ~11 ttttt +- Reset Bus Timing and Minimum Mode Status \L- -----tl Bus Interface Memory and Peripheral Interface ROl ~Atui Hold 101M 8284A FFFFOH· Inputs VIH of 2.6 volts DV Ie dT = C ElK Ready Output RDYINPUT~~ 8284A External Interrupts 3FFH Internal Interrupts SINGLE-STEP Execution Bus Control Transfer ~E~ ~ ClK 31. Minimum/Maximum Mode Osa Pulse PULS.E..2 KJC Page Application4 Examples Page Chapter Application Examples RESfrF 0J 110~ Address Line Usage Recommended Device Addressing ~RESET ~~~--~~3-= ~~~~~~~~~~~~5~AD1g ~ ~ NC Rr? -= Data character or a controlIstatus char- acter Ururururu Ttj ~rt~27 IAPX 88-BASED $100 BUS System Language 8088 IAPX 88 Multiprocessor Interface Cfi ~ ~I~ Application Examples ~o,es ···l-T...-lfl ~--i Page Supplement Page Microcomputer Overview Supplement Machine Cycles Whatsinside the CPU? Addressing modes Page AppendixA Benchmark Report Intel iAPX 88 vs Zilog Z80 Processor Description Appendix Performance Measurements Block Move Interrupt Response I2.6 Z80/iAPX Memory Utilization Bytes iAPX 88 vs Z80 Bytes of Code Conclusion Page Appendix Benchmark Program Code and Flowcharts Usage LPI HL,O Block Translate Flowchart Ebcbuf DE ,EBCBUF Bubble Sort Accumulator Zao Benchmark Report Intel iAPX 88 vs Motorola MC6809 Processor Description IAPX Program Descriptions Results MC6809 IAPX 88/10 Appendix Appendix Benchmark Program Code and Flowcharts P1,AX Addd Block Move Flowchart Register Usage Register Usage Character Search Flowchart OI,PTR Usage Accumulator Count Inter IAPX 88/10 Inter IAPX 88/10 Inter ~ Xxxxoh AFN-OOB26D TI IT Ill UP&=1? ~ External Interface Halt IAPX 88/10 External Synchronization via Test AFN-008260 Inter Absolute Maximum RATINGS· IAPX 88/10 IAPX 88/10 Characteristics ~--~~ IAPX 88/10 Waveforms IAPX 88/10 Characteristics ~Ii Inter 1L.~~ Instruction SET Summary Inter 8284A Clock Generator and Driver for iAPX 86, 88 Processors IntJ8284A +---H D 8284A Characteristics ~/~----------~t 8284A Vcc Inter Inter Absolute Maximum RATINGS· Inter8282/8283 \V\1 8286/8287 8286/8287 ~,,o Inter8286/8287 IntJ8286/8287 Domestic Sales Offices European Sales Offices International Sales Offices

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