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Register instructions did not require an address, and thus had more free bits to work with.
HP Pavilion P6-2100 PC Desktop – Customized
The assembler allows basic mathematical expressions to be written directly, instead of using mnemonics, and also included a number of pseudo-instructions like ORG to set the base address of the 2010pc. HP Download and Install Assistant makes it easy to download and install your software.
A simple memory protection system caused a high-priority interrupt when triggered. This section does not cite any sources.
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Select your operating system and version. Is my Windows version bit or bit? Remove selected files Download files. In Direct mode, the address in the instruction was the address of the operand, while in Indirect mode, the address was a pointer to another memory location that contained the address of the operand. The original instruction set contained 68  or 70 instructions. Using such memories in an expansion chassis like the earlier systems meant there was room for much more memory, into the megaword range.
The hybrid was developed as the heart of the new desktop computer.
This page was last edited on 16 Decemberat The HP series was introduced insold until Juneand was supported until If bit 15 was set, this indicated “indirect” addressing instead of “direct”.
The HPand desktop computers used a slow, serialized TTL version of the CPU, although they did not ultimately use any of the 2100pd system or application software, instead relying on user-friendly ROM -based interpreters such 210p0c BASIC which worked when powered up and integrated keyboards and displays rather than disks or standard terminals.
This was the first version to break backward compatibility with previous series expansion cards. HP supplied a three-pass assembler for the machine,  using a column-delimited format. Inthe updated A replaced the entire existing x lineup. All articles with unsourced statements Articles with unsourced statements from November Articles needing additional references from December All articles needing additional references Accuracy disputes from December All accuracy disputes.
Next came the instruction mnemonic, then the parameters. The least significant 10 bits gp the register were then placed in front of the original bit displacement to produce a bit address. When set to 1, the address was constructed by combining the 10 bits in the instruction to the top 5 bits of the P register, the C urrent page of memory, allowing memory to be accessed as 32 pages of words.
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HP PAVILION PPC TOWER
Some models used low-end versions of the same CPU as the terminal server; the F, for instance, used a S as the main CPU and primary storage controller, while a A acted as the terminal server. See your browser’s ho for specific instructions.
The registers were also accessible at memory locations 0 and 1, respectively. Minicomputers Hewlett-Packard products Instruction set architectures Computer-related introductions in Inthe “HP L-Series” was introduced.
DMS expanded the address format from 15 to 20 bits, allowing a maximum of 1, words, a dramatic expansion of the original system.