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Most 8051 clones also have a full 256 bytes of IRAM. Direct accesses to the IRAM addresses 0x80–0xFF are, instead, mapped onto the special function registers (SFR), where the accumulators A, B, carry bit C, and other special registers for control, status, etc., are located.
A RAM image is a sequence of machine code instructions and associated data kept permanently in the non-volatile ROM memory of an embedded system, which is copied into volatile RAM by a bootstrap loader.
The Berkeley IRAM project was a 1996–2004 research project in the Computer Science Division of the University of California, Berkeley which explored computer architecture enabled by the wide bandwidth between memory and processor made possible when both are designed on the same integrated circuit (chip). [1]
IRAM: F1: Register File Override Prefix. Will cause memory operands to index into register file rather than general memory. BSCH r/m8 BSCH r/m16: 0F 3C /0 0F 3D /0: Count Trailing Zeroes and store result in CL. Sets ZF=1 for all-0s input. RSTWDT imm8,imm8: 0F 96 ib ib: Watchdog Timer Manipulation Instruction. BTCLRL imm8,imm8,cb: 0F 9D ib ib rel8
GHOST could clone a disk or partition to another disk or partition or to an image file. GHOST allows for writing a clone or image to a second disk in the same machine, another machine linked by a parallel or network cable, a network drive, or to a tape drive. 3.1 uses 286 with XMS and could still run on OS/2. [7]
The most influential implementations of computational RAM came from The Berkeley IRAM Project. Vector IRAM (V-IRAM) combines DRAM with a vector processor integrated on the same chip. [1] Reconfigurable Architecture DRAM (RADram) is DRAM with reconfigurable computing FPGA logic elements integrated on the same chip. [2]
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]
SAB-C515-LN by Infineon is based on the 8051. The Infineon XC800 family is an 8-bit microcontroller family, first introduced in 2005, [1] with a dual cycle optimized 8051 "E-Warp" [2] [3] core. The XC800 family is divided into two categories, the A-Family for Automotive and the I-Family for Industrial and multi-market applications.