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Intel hexadecimal object file format, Intel hex format or Intellec Hex is a file format that conveys binary information in ASCII text form, [10] making it possible to store on non-binary media such as paper tape, punch cards, etc., to display on text terminals or be printed on line-oriented printers. [11]
Below is the full 8086/8088 instruction set of Intel (81 instructions total). [2] These instructions are also available in 32-bit mode, in which they operate on 32-bit registers (eax, ebx, etc.) and values instead of their 16-bit (ax, bx, etc.) counterparts.
The maximum number of bytes of data is calculated by 255 (maximum for Byte Count field) minus (1 byte for Checksum field) minus (number of bytes in the Address field), thus the maximum amount of data for each record type is: 252 data bytes (504 hex characters) for S0 & S1 records, 251 data bytes (502 hex characters) for S2 records, 250 data ...
Bit indexing correlates to the positional notation of the value in base 2. For this reason, bit index is not affected by how the value is stored on the device, such as the value's byte order. Rather, it is a property of the numeric value in binary itself.
This template generates a colorized Intel HEX record. A start code (':' character) will be displayed if all record fields are specified (data field is optional), otherwise it will be omitted. A start code (':' character) will be displayed if all record fields are specified (data field is optional), otherwise it will be omitted.
Another 16-bit register can act as an offset into a given segment, and so a logical address on this platform is written segment:offset, typically in hexadecimal notation. In real mode, in order to calculate the physical address of a byte of memory, the hardware shifts the contents of the appropriate segment register 4 bits left (effectively ...
For example, INT 13H will generate the 20th software interrupt (0x13 is nineteen (19) in hexadecimal notation, and the count starts at 0), causing the function pointed to by the 20th vector in the interrupt table to be executed. INT is widely used in real mode. In protected mode, INT is a privileged instruction. [1]
The REX2 prefix is a 2-byte variant of the REX prefix, introduced with Intel APX extensions which add 16 Extended GPR registers, for a total of 32. R 3 , X 3 , and B 3 bits are the same as R, X and B bits in the REX prefix.