Text orientation system for dot matrix printers

Details Text orientation system for dot matrix printers Text orientation system for dot matrix printers

1986-03-05

1992-03-03

Herndon, Heather R.

395110, G06F 1562

Patent

active

050939068

ABSTRACT:
A text orientation system for dot matrix printers includes a character adjust logic for orienting an image to be printed relative to a physical page. A first register in the character adjust logic receives a word of memory for either placement or character address. Each word has base bits and orientation bits. When the word is for address, the first register separates the base bits from the orientation bits and forwards the base bits to an adder and the orientation bits to an orientation adjust logic. Other bits of orientation adjust from a character processor are loaded into a second register and then to the orientation adjust logic for combining with orientation bits. A resulting adjusted signal goes to a Mux for selecting a displacement to produce a displacement signal. The displacement signal is then added to the previously separated base bits and forwarded as an adjusted character address to a character generator address. When the word is for placement, the first register also separates the base and orientation bits. The base bits are forwarded to a microprocessor in the character processor. The orientation bits are adjusted in the orientation adjust logic similar to the orientation bits of the address. The resulting adjusted signal also goes to the microprocessor in the character processor.

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