00:02
The two -word instruction is stored in memory at an address designated by symbol w.
00:07
The address field of the instruction stored at w plus 1 is designated by the symbol y.
00:12
The apparand used during the execution of the instruction is stored at address symbolized by z.
00:18
An index register contains the value x.
00:21
State how z is calculated from the other addresses.
00:24
If the addressing mode of the instruction is a, direct 1, z equals memory y, b, indirect 2, z equals y plus w plus 2, c relative 3, z equals y plus x, d, indexed 4.
00:48
Z equals y, a, a minus 4, b minus 1, c minus 2, d minus 3, b, a minus 1, c minus 2, d minus 4, c minus 2, d minus 4, c, a minus 4, b minus 2, c minus 1, d minus 3, or d, a minus 3, b, b minus 2, c minus 2, c minus 3, or d minus 3, 2, c minus 1, d minus 4...