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Within micro controller's software, it is very useful to be able to manipulate binary bits i.e. from ports etc. The ALU has command to shift data, rotate data, compare data, set/clear bits, test bits and logical operate on data.
LSLA i.e shift A one place to the left fill up with 0 LSLB i.e shift B one place to the left fill up with 0 LSRA i.e shift A one place to the right fill up with 0 LSRB i.e shift B one place to the right fill up with 0 ROLA i.e rotate A one place to the left through carry ROLB i.e rotate B one place to the left through carry RORA i.e rotate A one place to the right through carry RORB i.e rotate B one place to the right through carry CBA i.e A-B with no answer stored just flags set CMPA i.e compare A with memory i.e A-M CMPB i.e compare B with memory i.e B-M BSET $20,#$1 i.e set bit 1 of memory address 20 BCLR $20,#$1 i.e clear bit 1 of memory address 20 BITA $20 i.e Check bit mask found in A with address 20 BITB $20 i.e Check bit mask found in A with address 20 ANDA $20 i.e logical and A with data at address 20 EXORA $20 i.e logical exor A with data at address 20 COM $20 i.e logical invert data at address 20 ORRA $20 i.e logical OR A with data at address 20 MUL ;Multiplies axb and stores the answer in D i.e both FDIV ;Fractional divide using D/IX IDIV ;Integer divide using D/IX ADDD ;16 bit add to D DAA ;Decimal adjust add sum to BCD data
Create a new project, LastNameFirst 05, for this assignment. You will need to define the classes depicted in the class diagram below. All of the classes should contain complete ja
In order to support IA-32 Itanium can switch in 32-bit mode with special jump escape instructions. IA-32 instructions have been mapped to Itanium's functional units. But as Itanium
The most common types are the AWARD,AMI, AND phoenix
Words having 8-bits are to be stored into computer memory. The number of lines required for writing into memory are ? Ans. 8-bit words needed 8 bit data lines.
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is a technique of improving the priority of process waiting in Queue for CPU allocation? Ageing is a technique of enhancing the priority of process waiting in Queue for CPU all
In a JK Flip-Flop, toggle means ? Ans. Change the output to the opposite state implies the meas of toggle, in a JK Flip-Flop.
Q. Show the Classification of Printers? Printers can be classified on following bases: a) Impact: Impact printers print by impact of hammers on ribbon (for example Dot-Matri
State the Relative addressing The location of data is specified relative to current value of the program counter. This is helpful for specifying location of data which is given
DOS is not a RTOS (real time Operating system), though MS DOS can be used with certain APIs to attain the RTOS functionality. For example, the RT Kernel (Real Time Kernel) which ca
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