| 摘要 |
A symbol generator for drawing alphanumeric characters and simple geometric figures by a dot method. According to the invention, the format and the size of the symbols may be modified. The generator 60 operates under the control of a data bus MPDB and includes: a writing unit 61 comprising counters 62 and 63 and a logic writing means 64; a read-only character memory (ROM) 65 and a writing pointer 66 comprising two registers 67 and 68. A symbol generator according to the invention may be used in the field of graphic terminals and printers.
|
