BCS ABSOLUTE OUTPUT TAPE DESCRIPTION An option of the BCS Relocating Loader allows punching of an absolute tape. The absolute records produced consist of the relocated programs (including all programs loaded from the Program Library), the Linkage area, all referenced segments of the Basic Control System. These might include Input/Output Control subroutine (.IOC. ) All input/output equipment drivers Other BCS system subroutines Memory Table (.MEM.) System Linkage area Interrupt Processing area Absolute locations 2 and 3 In addition, the Loader Symbol Table, and the common linkage area bounds are punched in ASCII format on the end of the binary tape. Ten inches of feed frames separate the binary instructions and the ASCII data. OPERATING INSTRUCTIONS The following procedures indicate the sequence of steps for the execution of a program punched in absolute form by the BCS Relocating Loader: A. Set Teleprinter to LINE and check that all equipment to be used is operable . B. Load the program tape using the Basic Binary Loader. C. Set Switch Register to starting address of program: 000002 D. Press LOAD ADDRESS. E. Press RUN to initiate execution of the program. 4-1