Suppose we have the instr Memory 100 600 R1| ... 400 300 ... 500 100 600 500 ... 700 800 Assume R1 is implied in t in the following addressir a) Immediate addres b) Direct addressing c) Indirect addressin d) Indexed addressin
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- Most Intel CPUs use the __________, in which each memory address is represented by two integers.A(n) ________________ instruction always alters the instruction execution sequence. A(n) ______________ instruction alters the instruction execution sequence only if a specified Condition is true.Suppose we have the instruction Load 0000. Given memory and register R1 contain thevalues below:R130Memory Address Content0000 40...0010 30...0020 78...0030 55...0040 77...0050 84 Assuming R1 is implied in the indexed addressing mode, determine the actual value loaded into the accumulator using the following addressing modes: a. Immediateb. Directc. Indirectd. Indexed
- Register R1 (used for indexed addressing mode) contains the value: 0x200 Memory contains the values below (memory address -> contents) : 0x100 -> 0x600 ... 0x400 -> 0x300 ... 0x500 -> 0x100 ... 0x600 -> 0x500 ... 0x700 -> 0x800 When the instruction "Load 0x500" is executed, the value loaded into the AC is when using immediate addressing, it is when using direct addressing, it is when using indirect addressing, and when using indexed addressing.Consider a 16-bit processor in which the following appears in the main memory, starting at location 200.a. The first part of the first word (content at 200) indicates that this instruction loads a value into an accumulator; the value of 300 in location 201 may be part of the address calculator. The mode field specifies an addressing mode and, if appropriate, indicates a source register. a. Assume that when used, the source register R1, which has a value of 500. b. There is also a base register that contains the value 100, Assume that location 249 contains the value 399, location 250 contains the value 400, and so on. Determine the effective address and the operand to be loaded for the following address modes:Given the content of memory and the registers below. i. ii. iii. Indicate the type of addressing mode of each line of instruction below Deduce the target addressDeduce the Value loaded into accumulator register (A) Data at location Memory Address 03600 3030 103000 3600 00C303 6390 003030 C303 Memory content Base Register (B) 00600 Program Counter (Pc) 003000 Index Register (X) 000090 Register ContentInstructionsOpcodes - LDA = 00 SN opcode n i x b p e Displacement Target Address (TA) 1 000000 1 1 0 0 1 0 0110 0000 0000 2 000000 1 1 1 1 0 0 0011 0000 0000 3 000000 1 0 0 0 1 0 0000 0011 0000 4 000000 0 1 0 0 0 0 0000 0011 0000 5 000000 1 1 0 0 0 1 0000 1100 0011 0000 0011
- Q3) If BP=1000, DS=0400, SS=0700, CS=0500 and AL=EDH, for the following instruction: MOV [BP] + 1234H, AL Find the physical address in the memory.Computer Science A computer uses a memory of 64K words with 16 bits in each word.It has the following registers: PC, AR, TR, AC, DR and IRA memory-reference instruction consists of two words: an 16-bit operation-code(one word) and an address field (in the next word).a-List the sequence of microoperations for fetching a memory reference instructionand then placing the operand in DR. Start from timing signal To.b-Design the logic control gates arrangement to perform the fetch instructions.Q:Non-Volatile Memory includes PROM (Programmable ROM) ROM (Read only Memory) EPROM (Erasable PROM) EEPROM (Electrically Erasable PROM) O RAM(Random access memory) Q: what is the addressing mode for the following instruction: LOAD (ABOO), Ri. * Register Mode Register Addressing Mode Immediate Mode Indexed Addressing Mode indirect mode direct mode
- Suppose we have the instruction Load 100. Given memory and register R1 contain the decimal values below: Метory Address Content R1 200 100 500 300 700 500 900 700 100 900 300 Assuming R1 is implied in the indexed addressing mode, determine the actual value loaded into the accumulator and fill in the table below: Mode Immediate Value Loaded into AC Direct Indirect IndexedQ5. Given the content of memory and the registers below. i. Indicate the type of addressing mode of each line of instruction belowii. Deduce the target addressiii. Deduce the Value loaded into accumulator register (A) 10 marks Data at location Memory Address03600 3030103000 360000C303 6390003030 C303Memory content Base Register (B) 00600Program Counter (Pc) 003000Index Register (X) 000090 Register Content Instructions Opcodes - LDA = 00SN opcode n i x b p e Displacement Target Address (TA)1 000000 1 1 0 0 1 0 0110 0000 0000 2 000000 1 1 1 1 0 0 0011 0000 0000 3 000000 1 0 0 0 1 0 0000 0011 0000 4 000000 0 1 0 0 0 0 0000 0011 0000 5 000000 1 1 0 0 0 1 0000 1100 0011 0000 0011Q2: Identify the addressing mode for the following instructions then compute the physical address for the operand in red color: (Assume all missing data.) (1) LEA Ax, [DI+ BX +FFH] (2) MOV [BP-55H], CL