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Discuss the basic ( computer ) architecture and operation of the micro-simulator that you have been using in the practical work.
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Unit 19 HND BIT Computer Architecture Assignment 2 Prepared for Roy Clarke Prepared by R J Clayton 1.0 Table of Contents -------------------------- 1.0 Table of Contents 1 2.0 2 3.0 3 Question A 3 Question 3.0 A continued 4 Question 3.0 A continued 5 Question B 6 2.0 ; CONTROL THE TRAFFIC LIGHTS JMP Start DB 90 ; address of the interrupt routine Start: ; RED / RED STI ; Switches on interrupts MOV AL,90 ; Copy 10010000 into the AL register. OUT 01 ; Send AL to Port One (The traffic lights). MOV BL,01 ; Moves value ( 1 ) into BL CALL 80 ; Call Subroutine 80 (delay routine) ; RED AMBER / RED ; Turn on all the traffic lights. MOV AL,D0 ; Copy 11010000 into the AL register. OUT 01 ; Send AL to Port One (The traffic lights). MOV BL,02 ; Moves value ( 2 ) into BL CALL 80 ; Call Subroutine 80 (delay routine) ; GREEN / RED MOV AL,30 ; Copy 00110000 into the AL register. OUT 01 ; Send AL to Port One (The traffic lights). MOV BL,1E ; Moves value ( 1E - 30SECS ) into BL CALL 80 ; Call Subroutine 80 (delay routine) ; AMBER / RED MOV AL,50 ; Copy 10100000 into the AL register. OUT 01 ; Send AL to Port...
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