Computer processors Essay
(a) This is the ‘LOAD’ instruction
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(b) I deduced this from the fact that the sole purpose TAR register is to hold the address of the location in data memory that is to be written to during a store instruction or read from during a load instruction.
(a) The rB register is the loop counter
(b) The instructions will be executed 100 times.
(c) The lowest address is 0500 - Computer processors Essay introduction. The highest address is 0564.
(d) It is used to initialize the r1 register to zero.
(e) The subroutine indirectly increments a word at a memory address pointed to by the r1 register.