System for switching from control program stored in an output ap

Details System for switching from control program stored in an output ap System for switching from control program stored in an output ap

1998-11-02

2000-11-28

Lee, Thomas C.

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output access regulation

712229, 705 3, 358401, 358500, G06F 1314

Patent

active

061547956

ABSTRACT:
There is disclosed an information processing apparatus, such as a printer, capable of selectively using plural control programs by utilizing an external memory, such as a program cartridge, containing additional programs. When a switching of control program is requested for example by a switch, the start address of the requested program is indirectly obtained by referring to a fixed address of the memory cartridge containing the requested program.

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