| 摘要 |
The cash registration system with multi-function includes a CPU (11) for extracting and executing the order, a memory (13,14) for recording the data and program, a keyboard (15) coupled to the CPU through the input/output port, a micro computer (10) having the memory decoder (12) located between the CPU and memory, a decoder means (20) for assigning the display address number connected to the micro computer and outputing the inputted character data, a video RAM (30) for temporarily storing the address inputted from decoder means and outputting the character data of fixed address in turn, a counter means (40) for generating the control signal according to the input address.
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