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Instruction general - AAM—ASCII Adjust AX After Multiply

Adjusts the result of the multiplication of two unpacked BCD values to create a pair of unpacked BCD values. The AX register is the implied source and destination operand for this instruction. The AAM instruction is only useful when it follows an MUL instruction that multiplies (binary multiplication) two unpacked BCD values and stores a word result in the AX register. The AAM instruction then adjusts the contents of the AX register to contain the correct 2-digit unpacked BCD result.