neil@cs.hw.ac.uk (Neil Forsyth) (06/27/90)
In article <22615@boulder.Colorado.EDU> walkerb@tramp.Colorado.EDU (Brian Walker) writes: ]The differences between the 68000 and its sucessors can be summed up in the ]inclusion of the format/vector offset word. ] 68000 68010++ ]_________________________________ __________________________________ ]|________STATUS_REGISTER________| |________STATUS_REGISTER_________| ]|_____PROGRAM_COUNTER_HIGH______| |_____PROGRAM_COUNTER_HIGH_______| ]|_____PROGRAM_COUNTER_LOW_______| |_____PROGRAM_COUNTER_LOW________| ] variables follow |FORMAT_|_____VECTOR_OFFSET______| ] |_______other information________| ] |_____depending on exception_____| ] variables follow Thanks Brian! That's exactly what I wanted to know. So basically it's just variable access that is affected seriously. Now I can avoid any TT pitfalls. ]Brian Walker There come a time in the history ]walkerb@tramp.colorado.edu of every project when it becomes ]..!ncar!boulder!tramp!walkerb necessary to shoot the engineers ]University of Colorado, Boulder and begin production. +----------------------------------------------------------------------------+ ! DISCLAIMER:Unless otherwise stated, the above comments are entirely my own ! ! ! ! Neil Forsyth JANET: neil@uk.ac.hw.cs ! ! Dept. of Computer Science ARPA: neil@cs.hw.ac.uk ! ! Heriot-Watt University UUCP: ..!ukc!cs.hw.ac.uk!neil ! ! Edinburgh, Scotland, UK "spam spaM spAM sPAM SPAM, lovely SPAM" ! +----------------------------------------------------------------------------+