Timeline for Undocumented instructions in x86 CPU prior to 80386?
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
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| Dec 1, 2022 at 15:01 | history | edited | 640KB | CC BY-SA 4.0 |
add SALC to TLDR
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| Nov 28, 2022 at 16:13 | history | edited | 640KB | CC BY-SA 4.0 |
add SALC
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| Jun 6, 2022 at 19:11 | history | edited | 640KB | CC BY-SA 4.0 |
added 498 characters in body
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| Jun 6, 2022 at 16:27 | history | edited | 640KB | CC BY-SA 4.0 |
clarify STOS
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| Jun 6, 2022 at 16:20 | comment | added | ecm |
stosb is documented as not accepting a segment override; all default uses of es in string operations cannot be overridden. (scasb is the same, movsb and cmpsb allow an override but it only affects the ds:si operand, not the es:di one.)
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| Jun 6, 2022 at 15:26 | history | edited | 640KB | CC BY-SA 4.0 |
add pic of IC
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| Jun 6, 2022 at 15:20 | history | answered | 640KB | CC BY-SA 4.0 |