Thiết kế và lập trình hệ thống - Chương 20

... constant is any 32-bit signed value.Base Relative-Plus-Index addressing:Effective address computed as:seg_base + base + index + constant.Designed to be used as a mechanism to address a two-dimensional ... Programming 80x86 Assembly II CMPE 3102 (Feb. 9, 200 2)UMBCU M B CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 6Data Addressing ModesBase-Plus-Index addressing:eaxebxecxedxespebpediesi1 0 ....

Ngày tải lên: 15/11/2012, 11:07

... ++0x000100300x050010x050000000x050010000x050010400x00 0200 000x000210000x000300000x00030+0x0003008A[binary]hex0x0301008A=0x030*4*4=0x040 Systems Design & Programming Micro. Arch. III CMPE 3105 (Feb 2, 200 2)UMBCU M B CUNIVERSITY ... the 80386 and up.Allows a linear address (virtual address) of a program to be located in any por-tion of physical memory.The paging unit is controlled by the...

Ngày tải lên: 15/11/2012, 11:07

... 4BRASA074157 (2-to-1MUX)A1A2A3A4A5A6A71Y 2Y 3Y 4Y 1Y 2Y 3Y 4YAddress BUSInputs to DRAM0: latch A to Y1: latch B to YSS74157 (2-to-1MUX) Systems Design & Programming Memory I CMPE 31011 (Feb. 25, 200 2)UMBCU ... 70NC++VSSVCCDQ 0-3 1Addr 0-1 1RASCASWPD 1-4 Systems Design & Programming Memory I CMPE 31012 (Feb. 25, 200 2)UMBCU M B CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 6D...

Ngày tải lên: 15/11/2012, 11:07

... )X16G X( )-- -- - -- - -- - -- - -- - -- - -- - -X27X26X25X24X22X21X18+ + + + + +X16X15X21+ + +-- -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - =X16X15X21+ ... )XnG X( )-- -- - -- - -- - -- - -- - -- - Q X( ) R X( )+= =Q(X) is the quotientR(X) is the remainder...

Ngày tải lên: 15/11/2012, 11:07

... pin on RAS)A8S1S0MUX256-to-1MUX256-to-1MUX256-to-1MUX256-to-164K array(256 X 256)2552541064K array(256 X 256)64K array(256 X 256)64K array(256 X 256)256K X 1 DRAMA0-A7A10-A17Block 0Block 1Block ... InterfaceI1I2I3I4I5I6I7I8I9I1016L8O1O2O3O4O5O6O7O8A29A30A31I1I2I3I4I5I6I7I8I9I1016L8O1O2O3O4O5O6O7O8A19A20A21A22A23A24A25A26A27A28A0A15O0O7......CEOE27512D0-D7D8-D15D15-D23D24-D31D56-D63D48-D55D40-...

Ngày tải lên: 15/11/2012, 11:07

... lowest-num-bered memory location.floatstr db ’Float number -& gt; %f ’, 10, 0main1_str: db ’ Rectangular Areas’, 10, 0temp_buf: times 200 db 0temp_buf_size: equ $-temp_bufneg_exponent: dd -1 00301H302H303H12H34HLow-order ... (February 3, 200 0 1:22 am)UMBCU M B CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 6Assembly DirectivesASCII: Stored using an assembler directive db:Word-sized (d...

Ngày tải lên: 15/11/2012, 11:07

... PointerDestination IndexSource Index16-bitregisters32-bitextensionsah alax8-bit16-bitnames Systems Design & Programming 80x86 Assembly I CMPE 3103 (Feb 4, 200 2)UMBCU M B CUNIVERSITY OF ... 3105 (Feb 4, 200 2)UMBCU M B CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 6Data Addressing Modes Base relative-plus-indexA second variation includes: mov eax, [ebx+edi+4] Scaled-indexA second ... (F...

Ngày tải lên: 15/11/2012, 11:07

... CMPE 3103 (Mar. 1, 200 2)UMBCU M B CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 6Arithmetic Operationssub eax, ebxdec edi;Subs registers - Carry flag.sbb ecx, ebx;eax=eax-ebxcmp al, 10Hjae ... LABEL;Jump to LABEL if bit 2 is zero.;Tests bit 2 in al -- 00000100not ebxneg TEMP Systems Design & Programming 80x86 Assembly IV CMPE 3107 (Mar. 1, 200 2)UMBCU M B CUNIVERSITY OF MARYLAND...

Ngày tải lên: 15/11/2012, 11:07

... 6✬✎✭✮✠✯✰✱✲✲✯✳✴✰✎✵MiscellaneousDataTransferOperations.INandOUT:Transfersabyte,wordordoublewordofdatafrom/toanI/Odeviceinto/outofAL,AXandEAX,respectively.Memoryoperationsarenotavailable(astheyareinINSandOUTS):Twoforms:•Fixed-portaddressing:8-bitportnumberencodedininstruction.8-bitvalueissign-extendedintoaddressbits 8-1 5.Addressbits1 6-3 1...

Ngày tải lên: 15/11/2012, 11:07

... CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 6✪✎✫✬✠✭✮✯✰✰✭✱✲✮✎✳Addition,Increment,Add-with-carryandExchange-and-add(80486):Contentsoftherightmost8bitsoftheFLAGSregistercanchange(+Overflow)forarithmeticandlogicinstructions.Flagsinclude:•Z(resultzero?)•C(carryout?)•A(halfcarryout?)•S(resultpositive?)•P(resulthasevenparity?)•O(overflowoccurred?) ✁✁AL✂✄...

Ngày tải lên: 15/11/2012, 11:07