The 286's internal registers
The LOADALL structure as described by Intel is this: Physical Address (Hex) Associated CPU Register 800-805 None 806-807 MSW 808-815 None 816-817 TR 818-819 Flag word 81A-81B IP 81C-81D LDT 81E-81F DS 820-821 SS 822-823 CS 824-825 ES 826-827 DI 828-829 SI 82A-82B BP 82C-82D SP 82E-82F BX 830-831 DX 832-833 CX 834-835 AX 836-83B ES descriptor cache 83C-841 CS descriptor cache 842-847 SS descriptor…