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The accumulator has two overflow bits, labelled Q and P. Logical instructions clear or ignore S and Q; the Add and Carry Logical (ACL) instruction does an end-around carry from bit P to bit 35. The Index registers operate using two's complement format and when used to modify an instruction address are subtracted from the address in the instruction.
The Silent 700, introduced in 1971, [1] was a line of portable computer terminals manufactured by Texas Instruments in the 1970s and 1980s. Silent 700s printed with a 5 × 7 [ 2 ] dot-matrix heating element onto a roll of heat-sensitive paper .
Instructions are one 16-bit long word, save for those including a 16-bit or 22-bit address, which take two words. There are two types of conditional branches: jumps to address and skips. Conditional branches (BRxx) can test an ALU flag and jump to specified address.
WordPerfect (WP) is a word processing application, now owned by Alludo, [3] with a long history on multiple personal computer platforms. At the height of its popularity in the 1980s and early 1990s, it was the market leader of word processors, displacing the prior market leader WordStar.
Some instruction sets have nearly uniform fields for opcode and operand specifiers, whereas others (e.g., x86 architecture) have a less uniform, variable-length structure. [ 10 ] [ 11 ] Instruction sets can be extended through opcode prefixes, which add a subset of new instructions made up of existing opcodes following reserved byte sequences.
1-inch Type C Helical Scan or SMPTE C is a professional reel-to-reel analog recording helical scan videotape format co-developed and introduced by Ampex and Sony in 1976. It became the replacement in the professional video and broadcast television industries for the then-incumbent 2-inch quadruplex videotape (2-inch Quad for short) open-reel format.
Video assist is a system used in filmmaking that allows filmmakers to view and distribute a video version of a take immediately after it is filmed. On set, the location where the assist is reviewed is called a video village .
Spokane, Portland & Seattle 700 is the oldest and only surviving example of the class "E-1" 4-8-4 "Northern" type steam locomotive and the only surviving "original" (not purchased used from another railroad) Spokane, Portland and Seattle Railway steam locomotive.