# Copyright: Public domain. # Filename: SYSTEM_TEST_STANDARD_LEAD_INS.agc # Purpose: Part of the source code for Comanche, build 055. # It is part of the source code for the Command Module's (CM) # Apollo Guidance Computer (AGC), Apollo 11. # Assembler: yaYUL # Reference: pp. 420-422 # Contact: Onno Hommes . # Website: www.ibiblio.org/apollo. # Mod history: 05/07/09 OH Transcription Batch 1 Assignment # # The contents of the "Comanche055" files, in general, are transcribed # from scanned documents. # # Assemble revision 055 of AGC program Comanche by NASA # 2021113-051. April 1, 1969. # # This AGC program shall also be referred to as Colossus 2A # # Prepared by # Massachusetts Institute of Technology # 75 Cambridge Parkway # Cambridge, Massachusetts # # under NASA contract NAS 9-4065. # # Refer directly to the online document mentioned above for further information. # Please report any errors to info@sandroid.org. # Page 420 EBANK= XSM BANK 33 SETLOC E/PROG1 BANK COUNT* $$/P07 # SPECIAL PROGRAMS TO EASE THE PANGS OF ERASABLE MEMORY PROGRAMS. # # E/BKCALL FOR DOING BANKCALLS FROM AND RETURNING TO ERASABLE. # # THIS ROUTINE IS CALLABLE FROM ERASABLE OR FIXED. LIKE BANKCALL, HOWEVER, SWITCHING BETWEEN S3 AND S4 # IS NOT POSSIBLE. # # THE CALLING SEQUENCE IS: # # TC BANKCALL # CADR E/BKCALL # CADR ROUTINE # WHERE YOU WANT TO GO IN FIXED. # RETURN HERE FROM DISPLAY TERMINATE, BAD STALL OR TC Q. # RETURN HERE FROM DISPLAY PROCEED OR GOOD RETURN FROM STALL. # RETURN HERE FROM DISPLAY ENTER OR RECYCLE. # # THIS ROUTINE REQUIRES TWO ERASABLES (EBUF2, +1) IN UNSWITCHED WHICH ARE UNSHARED BY INTERRUPTS AND # OTHER EMEMORY PROGRAMS. # # A + L ARE PRESERVED THROUGH BANKCALL AND E/BKCALL. E/BKCALL DXCH BUF2 # SAVE A,L AND GET DP RETURN. DXCH EBUF2 # SAVE DP RETURN. INCR EBUF2 # RETURN +1 BECAUSE DOUBLE CADR. CA BBANK MASK LOW10 # GET CURRENT EBANK. (SBANK SOMEDAY) ADS EBUF2 +1 # FORM BBCON. (WAS FBANK) NDX EBUF2 CA 0 -1 # GET CADR OF ROUTINE. TC SWCALL # GO TO ROUTINE, SETTING Q TO SWRETURN # AND RESTORING A + L. TC +4 # TX Q, V34, OR BAD STALL RETURN. TC +2 # PROCEED OR GOOD STALL RETURN. INCR EBUF2 # ENTER OR RECYCLE RETURN. INCR EBUF2 E/SWITCH DXCH EBUF2 DTCB # Page 421 # E/CALL FOR CALLING A FIXED MEMORY INTERPRETIVE SUBROUTINE FROM ERASABLE AND RETURNING TO ERASABLE. # # THE CALLING SEQUENCE IS... # # RTB # E/CALL # CADR ROUTINE # THE INTERPRETIVE SUBROUTINE YOU WANT. # # RETURNS HERE IN INTERPRETIVE. E/CALL LXCH LOC # ADRES -1 OF CADR. INDEX L CA L # CADR IN A. INCR L INCR L # RETURN ADRES IN L. DXCH EBUF2 # STORE CADR AND RETURN. TC INTPRET CALL EBUF2 # INDIRECTLY EXECUTE ROUTING. IT MUST EXIT # LEAVE VIA RVQ OR EQUIVALENT. LXCH EBUF2 +1 # PICK UP RETURN. TCF INTPRET +2 # SET LOC AND RETURB TO CALLER # Page 422 # E/JOBWAK FOR WAKING UP ERASABLE MEMORY JOBS. # # THIS ROUTINE MUST BE CALLED IN INTERRUPT OR WITH INTERRUPTS INHIBITED. # # THE CALLING SEQUENCE IS: # # INHINT # . # . # CA WAKEADR # ADDRESS OF SLEEPING JOB # TC IBNKCALL # CADR E/JOBWAK # . # RETURNS HERE # . # . # RELINT # IF YOU DID AN INHINT. BANK 33 SETLOC E/PROG BANK COUNT* $$/P07 E/JOBWAK TC JOBWAKE # ARRIVE IWTH ADRES IN A. CS BIT11 NDX LOCCTR ADS LOC # KNOCK FIXED MEMORY BIT OUT OF ADRES. TC RUPTREG3 # RETURN # THESE PROGRAMS ARE PROVIDED TO ALLOW OVERLAY OF BANKS 30 THRU 33 OF THE 205 VERSIONS OF SYSTEM TESTS AND # PRELAUNCH ALIGN. THE INTENT IS TO ALLOW THE STG AND HYBRID LABS TO RUN ALL THE TESTS WITH COLOSSUS. BANK 33 SETLOC TESTLEAD BANK COUNT 33/COMST EBANK= QPLACE COMPVER TC GCOMPVER # MUST BE 33,2000. GTSCPSS1 TC GTSCPSS # MUST BE AT 33,2001 REDO TC NEWMODEX # DISPLAY MM 07. MM 07 # FALL INTO IMUTEST