| Uso |
OR destino, fonte |
| Flags Modificadas |
CF OF PF SF ZF (AF indefinido) |
| Operação |
OU Inclusive Lógico dos dois operandos, retornando o resultado no destino. Todos os bits ativos em qualquer dos operandos estará ativo no resultado. |
| Operandos |
Tamanho (bytes) |
| reg,reg |
2 |
| mem,reg |
2-4 |
(W88=24+EA) |
| reg,mem |
2-4 |
(W88=13+EA) |
| reg,valor |
3-4 |
| mem8,valor8 |
3-6 |
|
| mem16,valor16 |
3-6 |
|
| acumulador, valor |
2-3 |
Algumas operações contém {B} ou {W}. {B} significa byte e {W} significa word.
As operações ES:, DS:, CS: e SS: são prefixos de "segment override". Por exemplo, o código operacional para ES: é 26. Dessa forma, para obter MOV ES:[DI],AL, procura-se o código operacional para MOV [DI],AL (8805) e precede-se o mesmo com 26 (268805), transformando-o em MOV ES:[DI],AL.
| Operação | AL | CL | DL | BL | AH | CH | DH | BH | | OR [BX+SI],.. | 0800 | 0808 | 0810 | 0818 | 0820 | 0828 | 0830 | 0838 | | OR [BX+DI],.. | 0801 | 0809 | 0811 | 0819 | 0821 | 0829 | 0831 | 0839 | | OR [BP+SI],.. | 0802 | 080A | 0812 | 081A | 0822 | 082A | 0832 | 083A | | OR [BP+DI],.. | 0803 | 080B | 0813 | 081B | 0823 | 082B | 0833 | 083B | | OR [SI],.. | 0804 | 080C | 0814 | 081C | 0824 | 082C | 0834 | 083C | | OR [DI],.. | 0805 | 080D | 0815 | 081D | 0825 | 082D | 0835 | 083D | | OR [{W}],.. | 0806 | 080E | 0816 | 081E | 0826 | 082E | 0836 | 083E | | OR [BX],.. | 0807 | 080F | 0817 | 081F | 0827 | 082F | 0837 | 083F |
| Operação | AL | CL | DL | BL | AH | CH | DH | BH | | OR [BX+SI+{B}],.. | 0840 | 0848 | 0850 | 0858 | 0860 | 0868 | 0870 | 0878 | | OR [BX+DI+{B}],.. | 0841 | 0849 | 0851 | 0859 | 0861 | 0869 | 0871 | 0879 | | OR [BP+SI+{B}],.. | 0842 | 084A | 0852 | 085A | 0862 | 086A | 0872 | 087A | | OR [BP+DI+{B}],.. | 0843 | 084B | 0853 | 085B | 0863 | 086B | 0873 | 087B | | OR [SI+{B}],.. | 0844 | 084C | 0854 | 085C | 0864 | 086C | 0874 | 087C | | OR [DI+{B}],.. | 0845 | 084D | 0855 | 085D | 0865 | 086D | 0875 | 087D | | OR [BP+{B}],.. | 0846 | 084E | 0856 | 085E | 0866 | 086E | 0876 | 087E | | OR [BX+{B}],.. | 0847 | 084F | 0857 | 085F | 0867 | 086F | 0877 | 087F |
| Operação | AL | CL | DL | BL | AH | CH | DH | BH | | OR [BX+SI+{W}],.. | 0880 | 0888 | 0890 | 0898 | 08A0 | 08A8 | 08B0 | 08B8 | | OR [BX+DI+{W}],.. | 0881 | 0889 | 0891 | 0899 | 08A1 | 08A9 | 08B1 | 08B9 | | OR [BP+SI+{W}],.. | 0882 | 088A | 0892 | 089A | 08A2 | 08AA | 08B2 | 08BA | | OR [BP+DI+{W}],.. | 0883 | 088B | 0893 | 089B | 08A3 | 08AB | 08B3 | 08BB | | OR [SI+{W}],.. | 0884 | 088C | 0894 | 089C | 08A4 | 08AC | 08B4 | 08BC | | OR [DI+{W}],.. | 0885 | 088D | 0895 | 089D | 08A5 | 08AD | 08B5 | 08BD | | OR [BP+{W}],.. | 0886 | 088E | 0896 | 089E | 08A6 | 08AE | 08B6 | 08BE | | OR [BX+{W}],.. | 0887 | 088F | 0897 | 089F | 08A7 | 08AF | 08B7 | 08BF |
| Operação | AL | CL | DL | BL | AH | CH | DH | BH | | OR AL,.. | 08C0 | 08C8 | 08D0 | 08D8 | 08E0 | 08E8 | 08F0 | 08F8 | | OR CL,.. | 08C1 | 08C9 | 08D1 | 08D9 | 08E1 | 08E9 | 08F1 | 08F9 | | OR DL,.. | 08C2 | 08CA | 08D2 | 08DA | 08E2 | 08EA | 08F2 | 08FA | | OR BL,.. | 08C3 | 08CB | 08D3 | 08DB | 08E3 | 08EB | 08F3 | 08FB | | OR AH,.. | 08C4 | 08CC | 08D4 | 08DC | 08E4 | 08EC | 08F4 | 08FC | | OR CH,.. | 08C5 | 08CD | 08D5 | 08DD | 08E5 | 08ED | 08F5 | 08FD | | OR DH,.. | 08C6 | 08CE | 08D6 | 08DE | 08E6 | 08EE | 08F6 | 08FE | | OR BH,.. | 08C7 | 08CF | 08D7 | 08DF | 08E7 | 08EF | 08F7 | 08FF |
| Operação | AX | CX | DX | BX | SP | BP | SI | DI | | OR [BX+SI],.. | 0900 | 0908 | 0910 | 0918 | 0920 | 0928 | 0930 | 0938 | | OR [BX+DI],.. | 0901 | 0909 | 0911 | 0919 | 0921 | 0929 | 0931 | 0939 | | OR [BP+SI],.. | 0902 | 090A | 0912 | 091A | 0922 | 092A | 0932 | 093A | | OR [BP+DI],.. | 0903 | 090B | 0913 | 091B | 0923 | 092B | 0933 | 093B | | OR [SI],.. | 0904 | 090C | 0914 | 091C | 0924 | 092C | 0934 | 093C | | OR [DI],.. | 0905 | 090D | 0915 | 091D | 0925 | 092D | 0935 | 093D | | OR [{W}],.. | 0906 | 090E | 0916 | 091E | 0926 | 092E | 0936 | 093E | | OR [BX],.. | 0907 | 090F | 0917 | 091F | 0927 | 092F | 0937 | 093F |
| Operação | AX | CX | DX | BX | SP | BP | SI | DI | | OR [BX+SI+{B}],.. | 0940 | 0948 | 0950 | 0958 | 0960 | 0968 | 0970 | 0978 | | OR [BX+DI+{B}],.. | 0941 | 0949 | 0951 | 0959 | 0961 | 0969 | 0971 | 0979 | | OR [BP+SI+{B}],.. | 0942 | 094A | 0952 | 095A | 0962 | 096A | 0972 | 097A | | OR [BP+DI+{B}],.. | 0943 | 094B | 0953 | 095B | 0963 | 096B | 0973 | 097B | | OR [SI+{B}],.. | 0944 | 094C | 0954 | 095C | 0964 | 096C | 0974 | 097C | | OR [DI+{B}],.. | 0945 | 094D | 0955 | 095D | 0965 | 096D | 0975 | 097D | | OR [BP+{B}],.. | 0946 | 094E | 0956 | 095E | 0966 | 096E | 0976 | 097E | | OR [BX+{B}],.. | 0947 | 094F | 0957 | 095F | 0967 | 096F | 0977 | 097F |
| Operação | AX | CX | DX | BX | SP | BP | SI | DI | | OR [BX+SI+{W}],.. | 0980 | 0988 | 0990 | 0998 | 09A0 | 09A8 | 09B0 | 09B8 | | OR [BX+DI+{W}],.. | 0981 | 0989 | 0991 | 0999 | 09A1 | 09A9 | 09B1 | 09B9 | | OR [BP+SI+{W}],.. | 0982 | 098A | 0992 | 099A | 09A2 | 09AA | 09B2 | 09BA | | OR [BP+DI+{W}],.. | 0983 | 098B | 0993 | 099B | 09A3 | 09AB | 09B3 | 09BB | | OR [SI+{W}],.. | 0984 | 098C | 0994 | 099C | 09A4 | 09AC | 09B4 | 09BC | | OR [DI+{W}],.. | 0985 | 098D | 0995 | 099D | 09A5 | 09AD | 09B5 | 09BD | | OR [BP+{W}],.. | 0986 | 098E | 0996 | 099E | 09A6 | 09AE | 09B6 | 09BE | | OR [BX+{W}],.. | 0987 | 098F | 0997 | 099F | 09A7 | 09AF | 09B7 | 09BF |
| Operação | AX | CX | DX | BX | SP | BP | SI | DI | | OR AX,.. | 09C0 | 09C8 | 09D0 | 09D8 | 09E0 | 09E8 | 09F0 | 09F8 | | OR CX,.. | 09C1 | 09C9 | 09D1 | 09D9 | 09E1 | 09E9 | 09F1 | 09F9 | | OR DX,.. | 09C2 | 09CA | 09D2 | 09DA | 09E2 | 09EA | 09F2 | 09FA | | OR BX,.. | 09C3 | 09CB | 09D3 | 09DB | 09E3 | 09EB | 09F3 | 09FB | | OR SP,.. | 09C4 | 09CC | 09D4 | 09DC | 09E4 | 09EC | 09F4 | 09FC | | OR BP,.. | 09C5 | 09CD | 09D5 | 09DD | 09E5 | 09ED | 09F5 | 09FD | | OR SI,.. | 09C6 | 09CE | 09D6 | 09DE | 09E6 | 09EE | 09F6 | 09FE | | OR DI,.. | 09C7 | 09CF | 09D7 | 09DF | 09E7 | 09EF | 09F7 | 09FF |
| Operação | AL | CL | DL | BL | AH | CH | DH | BH | | OR .., [BX+SI] | 0A00 | 0A08 | 0A10 | 0A18 | 0A20 | 0A28 | 0A30 | 0A38 | | OR .., [BX+DI] | 0A01 | 0A09 | 0A11 | 0A19 | 0A21 | 0A29 | 0A31 | 0A39 | | OR .., [BP+SI] | 0A02 | 0A0A | 0A12 | 0A1A | 0A22 | 0A2A | 0A32 | 0A3A | | OR .., [BP+DI] | 0A03 | 0A0B | 0A13 | 0A1B | 0A23 | 0A2B | 0A33 | 0A3B | | OR .., [SI] | 0A04 | 0A0C | 0A14 | 0A1C | 0A24 | 0A2C | 0A34 | 0A3C | | OR .., [DI] | 0A05 | 0A0D | 0A15 | 0A1D | 0A25 | 0A2D | 0A35 | 0A3D | | OR .., [{W}] | 0A06 | 0A0E | 0A16 | 0A1E | 0A26 | 0A2E | 0A36 | 0A3E | | OR .., [BX] | 0A07 | 0A0F | 0A17 | 0A1F | 0A27 | 0A2F | 0A37 | 0A3F |
| Operação | AL | CL | DL | BL | AH | CH | DH | BH | | OR .., [BX+SI+{B}] | 0A40 | 0A48 | 0A50 | 0A58 | 0A60 | 0A68 | 0A70 | 0A78 | | OR .., [BX+DI+{B}] | 0A41 | 0A49 | 0A51 | 0A59 | 0A61 | 0A69 | 0A71 | 0A79 | | OR .., [BP+SI+{B}] | 0A42 | 0A4A | 0A52 | 0A5A | 0A62 | 0A6A | 0A72 | 0A7A | | OR .., [BP+DI+{B}] | 0A43 | 0A4B | 0A53 | 0A5B | 0A63 | 0A6B | 0A73 | 0A7B | | OR .., [SI+{B}] | 0A44 | 0A4C | 0A54 | 0A5C | 0A64 | 0A6C | 0A74 | 0A7C | | OR .., [DI+{B}] | 0A45 | 0A4D | 0A55 | 0A5D | 0A65 | 0A6D | 0A75 | 0A7D | | OR .., [BP+{B}] | 0A46 | 0A4E | 0A56 | 0A5E | 0A66 | 0A6E | 0A76 | 0A7E | | OR .., [BX+{B}] | 0A47 | 0A4F | 0A57 | 0A5F | 0A67 | 0A6F | 0A77 | 0A7F |
| Operação | AL | CL | DL | BL | AH | CH | DH | BH | | OR .., [BX+SI+{W}] | 0A80 | 0A88 | 0A90 | 0A98 | 0AA0 | 0AA8 | 0AB0 | 0AB8 | | OR .., [BX+DI+{W}] | 0A81 | 0A89 | 0A91 | 0A99 | 0AA1 | 0AA9 | 0AB1 | 0AB9 | | OR .., [BP+SI+{W}] | 0A82 | 0A8A | 0A92 | 0A9A | 0AA2 | 0AAA | 0AB2 | 0ABA | | OR .., [BP+DI+{W}] | 0A83 | 0A8B | 0A93 | 0A9B | 0AA3 | 0AAB | 0AB3 | 0ABB | | OR .., [SI+{W}] | 0A84 | 0A8C | 0A94 | 0A9C | 0AA4 | 0AAC | 0AB4 | 0ABC | | OR .., [DI+{W}] | 0A85 | 0A8D | 0A95 | 0A9D | 0AA5 | 0AAD | 0AB5 | 0ABD | | OR .., [BP+{W}] | 0A86 | 0A8E | 0A96 | 0A9E | 0AA6 | 0AAE | 0AB6 | 0ABE | | OR .., [BX+{W}] | 0A87 | 0A8F | 0A97 | 0A9F | 0AA7 | 0AAF | 0AB7 | 0ABF |
| Operação | AL | CL | DL | BL | AH | CH | DH | BH | | OR .., AL | 0AC0 | 0AC8 | 0AD0 | 0AD8 | 0AE0 | 0AE8 | 0AF0 | 0AF8 | | OR .., CL | 0AC1 | 0AC9 | 0AD1 | 0AD9 | 0AE1 | 0AE9 | 0AF1 | 0AF9 | | OR .., DL | 0AC2 | 0ACA | 0AD2 | 0ADA | 0AE2 | 0AEA | 0AF2 | 0AFA | | OR .., BL | 0AC3 | 0ACB | 0AD3 | 0ADB | 0AE3 | 0AEB | 0AF3 | 0AFB | | OR .., AH | 0AC4 | 0ACC | 0AD4 | 0ADC | 0AE4 | 0AEC | 0AF4 | 0AFC | | OR .., CH | 0AC5 | 0ACD | 0AD5 | 0ADD | 0AE5 | 0AED | 0AF5 | 0AFD | | OR .., DH | 0AC6 | 0ACE | 0AD6 | 0ADE | 0AE6 | 0AEE | 0AF6 | 0AFE | | OR .., BH | 0AC7 | 0ACF | 0AD7 | 0ADF | 0AE7 | 0AEF | 0AF7 | 0AFF |
| Operação | AX | CX | DX | BX | SP | BP | SI | DI | | OR .., [BX+SI] | 0B00 | 0B08 | 0B10 | 0B18 | 0B20 | 0B28 | 0B30 | 0B38 | | OR .., [BX+DI] | 0B01 | 0B09 | 0B11 | 0B19 | 0B21 | 0B29 | 0B31 | 0B39 | | OR .., [BP+SI] | 0B02 | 0B0A | 0B12 | 0B1A | 0B22 | 0B2A | 0B32 | 0B3A | | OR .., [BP+DI] | 0B03 | 0B0B | 0B13 | 0B1B | 0B23 | 0B2B | 0B33 | 0B3B | | OR .., [SI] | 0B04 | 0B0C | 0B14 | 0B1C | 0B24 | 0B2C | 0B34 | 0B3C | | OR .., [DI] | 0B05 | 0B0D | 0B15 | 0B1D | 0B25 | 0B2D | 0B35 | 0B3D | | OR .., [{W}] | 0B06 | 0B0E | 0B16 | 0B1E | 0B26 | 0B2E | 0B36 | 0B3E | | OR .., [BX] | 0B07 | 0B0F | 0B17 | 0B1F | 0B27 | 0B2F | 0B37 | 0B3F |
| Operação | AX | CX | DX | BX | SP | BP | SI | DI | | OR .., [BX+SI+{B}] | 0B40 | 0B48 | 0B50 | 0B58 | 0B60 | 0B68 | 0B70 | 0B78 | | OR .., [BX+DI+{B}] | 0B41 | 0B49 | 0B51 | 0B59 | 0B61 | 0B69 | 0B71 | 0B79 | | OR .., [BP+SI+{B}] | 0B42 | 0B4A | 0B52 | 0B5A | 0B62 | 0B6A | 0B72 | 0B7A | | OR .., [BP+DI+{B}] | 0B43 | 0B4B | 0B53 | 0B5B | 0B63 | 0B6B | 0B73 | 0B7B | | OR .., [SI+{B}] | 0B44 | 0B4C | 0B54 | 0B5C | 0B64 | 0B6C | 0B74 | 0B7C | | OR .., [DI+{B}] | 0B45 | 0B4D | 0B55 | 0B5D | 0B65 | 0B6D | 0B75 | 0B7D | | OR .., [BP+{B}] | 0B46 | 0B4E | 0B56 | 0B5E | 0B66 | 0B6E | 0B76 | 0B7E | | OR .., [BX+{B}] | 0B47 | 0B4F | 0B57 | 0B5F | 0B67 | 0B6F | 0B77 | 0B7F |
| Operação | AX | CX | DX | BX | SP | BP | SI | DI | | OR .., [BX+SI+{W}] | 0B80 | 0B88 | 0B90 | 0B98 | 0BA0 | 0BA8 | 0BB0 | 0BB8 | | OR .., [BX+DI+{W}] | 0B81 | 0B89 | 0B91 | 0B99 | 0BA1 | 0BA9 | 0BB1 | 0BB9 | | OR .., [BP+SI+{W}] | 0B82 | 0B8A | 0B92 | 0B9A | 0BA2 | 0BAA | 0BB2 | 0BBA | | OR .., [BP+DI+{W}] | 0B83 | 0B8B | 0B93 | 0B9B | 0BA3 | 0BAB | 0BB3 | 0BBB | | OR .., [SI+{W}] | 0B84 | 0B8C | 0B94 | 0B9C | 0BA4 | 0BAC | 0BB4 | 0BBC | | OR .., [DI+{W}] | 0B85 | 0B8D | 0B95 | 0B9D | 0BA5 | 0BAD | 0BB5 | 0BBD | | OR .., [BP+{W}] | 0B86 | 0B8E | 0B96 | 0B9E | 0BA6 | 0BAE | 0BB6 | 0BBE | | OR .., [BX+{W}] | 0B87 | 0B8F | 0B97 | 0B9F | 0BA7 | 0BAF | 0BB7 | 0BBF |
| Operação | AX | CX | DX | BX | SP | BP | SI | DI | | OR .., AX | 0BC0 | 0BC8 | 0BD0 | 0BD8 | 0BE0 | 0BE8 | 0BF0 | 0BF8 | | OR .., CX | 0BC1 | 0BC9 | 0BD1 | 0BD9 | 0BE1 | 0BE9 | 0BF1 | 0BF9 | | OR .., DX | 0BC2 | 0BCA | 0BD2 | 0BDA | 0BE2 | 0BEA | 0BF2 | 0BFA | | OR .., BX | 0BC3 | 0BCB | 0BD3 | 0BDB | 0BE3 | 0BEB | 0BF3 | 0BFB | | OR .., SP | 0BC4 | 0BCC | 0BD4 | 0BDC | 0BE4 | 0BEC | 0BF4 | 0BFC | | OR .., BP | 0BC5 | 0BCD | 0BD5 | 0BDD | 0BE5 | 0BED | 0BF5 | 0BFD | | OR .., SI | 0BC6 | 0BCE | 0BD6 | 0BDE | 0BE6 | 0BEE | 0BF6 | 0BFE | | OR .., DI | 0BC7 | 0BCF | 0BD7 | 0BDF | 0BE7 | 0BEF | 0BF7 | 0BFF |
| Operação | | | OR AL,{B} | 0C {B} | | OR AX,{W} | 0D {W} |
| Operação | | | OR BYTE PTR [BX+SI], {B} | 8008 {B} | | OR BYTE PTR [BX+DI], {B} | 8009 {B} | | OR BYTE PTR [BP+SI], {B} | 800A {B} | | OR BYTE PTR [BP+DI], {B} | 800B {B} | | OR BYTE PTR [SI], {B} | 800C {B} | | OR BYTE PTR [DI], {B} | 800D {B} | | OR BYTE PTR [{W}], {B} | 800E {W}{B} | | OR BYTE PTR [BX], {B} | 800F {B} |
| Operação | | | OR BYTE PTR [BX+SI+{B1}],{B2} | 8048 {B1}{B2} | | OR BYTE PTR [BX+DI+{B1}],{B2} | 8049 {B1}{B2} | | OR BYTE PTR [BP+SI+{B1}],{B2} | 804A {B1}{B2} | | OR BYTE PTR [BP+DI+{B1}],{B2} | 804B {B1}{B2} | | OR BYTE PTR [SI+{B1}],{B2} | 804C {B1}{B2} | | OR BYTE PTR [DI+{B1}],{B2} | 804D {B1}{B2} | | OR BYTE PTR [BP+{B1}],{B2} | 804E {B1}{B2} | | OR BYTE PTR [BX+{B1}],{B2} | 804F {B1}{B2} |
| Operação | | | OR BYTE PTR [BX+SI+{W}],{B} | 8088 {W}{B} | | OR BYTE PTR [BX+DI+{W}],{B} | 8089 {W}{B} | | OR BYTE PTR [BP+SI+{W}],{B} | 808A {W}{B} | | OR BYTE PTR [BP+DI+{W}],{B} | 808B {W}{B} | | OR BYTE PTR [SI+{W}],{B} | 808C {W}{B} | | OR BYTE PTR [DI+{W}],{B} | 808D {W}{B} | | OR BYTE PTR [BP+{W}],{B} | 808E {W}{B} | | OR BYTE PTR [BX+{W}],{B} | 808F {W}{B} |
| Operação | AL | CL | DL | BL | AH | CH | DH | BH | | OR ..,{B} | 80C8 {B} | 80C9 {B} | 80CA {B} | 80CB {B} | 80CC {B} | 80CD {B} | 80CE {B} | 80CF {B} |
| Operação | | | OR WORD PTR [BX+SI], {W} | 8108 {W} | | OR WORD PTR [BX+DI], {W} | 8109 {W} | | OR WORD PTR [BP+SI], {W} | 810A {W} | | OR WORD PTR [BP+DI], {W} | 810B {W} | | OR WORD PTR [SI], {W} | 810C {W} | | OR WORD PTR [DI], {W} | 810D {W} | | OR WORD PTR [{W}], {W} | 810E {W}{W} | | OR WORD PTR [BX], {W} | 810F {W} |
| Operação | | | OR WORD PTR [BX+SI+{B}],{W} | 8148 {B}{W} | | OR WORD PTR [BX+DI+{B}],{W} | 8149 {B}{W} | | OR WORD PTR [BP+SI+{B}],{W} | 814A {B}{W} | | OR WORD PTR [BP+DI+{B}],{W} | 814B {B}{W} | | OR WORD PTR [SI+{B}],{W} | 814C {B}{W} | | OR WORD PTR [DI+{B}],{W} | 814D {B}{W} | | OR WORD PTR [BP+{B}],{W} | 814E {B}{W} | | OR WORD PTR [BX+{B}],{W} | 814F {B}{W} |
| Operação | | | OR BYTE PTR [BX+SI+{W}],{W} | 8188 {W}{W} | | OR BYTE PTR [BX+DI+{W}],{W} | 8189 {W}{W} | | OR BYTE PTR [BP+SI+{W}],{W} | 818A {W}{W} | | OR BYTE PTR [BP+DI+{W}],{W} | 818B {W}{W} | | OR BYTE PTR [SI+{W}],{W} | 818C {W}{W} | | OR BYTE PTR [DI+{W}],{W} | 818D {W}{W} | | OR BYTE PTR [BP+{W}],{W} | 818E {W}{W} | | OR BYTE PTR [BX+{W}],{W} | 818F {W}{W} |
| Operação | AL | CL | DL | BL | AH | CH | DH | BH | | OR ..,{W} | 81C8 {W} | 81C9 {W} | 81CA {W} | 81CB {W} | 81CC {W} | 81CD {W} | 81CE {W} | 81CF {W} |
|