Fundamentals of Digital Logic and Microcomputer DesignRafi Systems, Incorporated, 1999 - 828 sayfa |
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Sayfa 414
... WAIT causes the 8086 to enter an idle state if the signal on the TEST pin is not asserted . By placing the WAIT before the ESC , the 8086 can do other things while a subordinate processor such as a floating - point coprocessor is ...
... WAIT causes the 8086 to enter an idle state if the signal on the TEST pin is not asserted . By placing the WAIT before the ESC , the 8086 can do other things while a subordinate processor such as a floating - point coprocessor is ...
Sayfa 625
Mohamed Rafiquzzaman. WAIT FINISH Service Routine BSET.B JMP # 2 , CRA WAIT ; ; JMP FINISH Address PORTA Wait for interrupts Halt ORG $ 00000A00 MOVE . B PORTA , D1 ; Input switch LSL.B # 1 , D1 ; Align LED data MOVE.B D1 , PORTA ...
Mohamed Rafiquzzaman. WAIT FINISH Service Routine BSET.B JMP # 2 , CRA WAIT ; ; JMP FINISH Address PORTA Wait for interrupts Halt ORG $ 00000A00 MOVE . B PORTA , D1 ; Input switch LSL.B # 1 , D1 ; Align LED data MOVE.B D1 , PORTA ...
Sayfa 626
... WAIT FINISH Service Routine JMP WAIT ; Address PORTA Enable interrupts Wait for interrupt JMP FINISH ; Halt ORG $ 000A00 MOVE.B PORTA , D1 ; Input switch LSL.B # $ 01 , D1 Align LED data MOVE . B D1 , PORTA ; Output to LED RTE Reset ...
... WAIT FINISH Service Routine JMP WAIT ; Address PORTA Enable interrupts Wait for interrupt JMP FINISH ; Halt ORG $ 000A00 MOVE.B PORTA , D1 ; Input switch LSL.B # $ 01 , D1 Align LED data MOVE . B D1 , PORTA ; Output to LED RTE Reset ...
İçindekiler
INTRODUCTION TO DIGITAL SYSTEMS | 1 |
NUMBER SYSTEMS AND CODES | 31 |
BOOLEAN ALGEBRA AND DIGITAL LOGIC GATES | 67 |
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16 bits 32 bits adder address register addressing modes arithmetic assembly language assembly language program Assume binary number block Boolean bus cycle byte cache chip clock cycle complement consider contains contents control unit data bus decimal decoder digits display DSACK1 DTACK EPROM example execution flags flip-flop floating-point full adder function hardware hexadecimal implemented index register input instruction set integer Intel interface interrupt K-map latch loaded logic diagram m₁ main memory memory address memory location microcomputer microprocessor microprogram minterms Motorola MOVE.W multiplication offset on-chip op-code operand output Pentium perform physical address pins pipeline pointer port PowerPC processor program counter provides reset result RISC sequence sequential circuit shown in Figure signal specified stack stored subroutine synchronous transistor truth table typical unsigned vector word zero