FIELD 0; *0 /Pre-canned Restart vectors 00000 /LA 00000 /LEA GO 00200 /LA 00000 /LEA GO 02000 /LA 00000 /LEA GO 04200 /LA 00000 /LEA GO /Bootstrap 1: High or low speed paper tape 07737 /LA 00000 /LEA RELOC 07737 /Start the high speed reader START1, RFC /06014 /DEP DCA PTR /03376 /DEP /Spin to let reader possibly come ready LOOP, CLA CLL CML RTL /07326 /DEP TAD START1 /01337 /DEP ISZ PTR /02376 /DEP JMP LOOP /05341 /DEP /If it came ready, patch for LSR KRSF, RSF /06011 /DEP JMP UKCC /05356 /DEP DCA UKRB /03361 /DEP TAD UKRB /01361 /DEP DCA UKRS /03371 /DEP TAD KRSF /01345 /DEP DCA UKSF1 /03357 /DEP TAD KRSF /01345 /DEP DCA UKSF2 /03367 /DEP /Code either runs as is, or was patched above. UKCC, KCC /06032 /DEP UKSF1, KSF /06031 /DEP JMP .-1 /05357 /DEP UKRB, KRB /06036 /DEP CLL RTL /07106 /DEP RTL /07006 /DEP /Ignore if leader/trailer (0200 was punched) SPA /07510 /DEP JMP IGNR /05374 /DEP /Finish rotate six and get low six RTL /07006 /DEP UKSF2, KSF /06031 /DEP JMP .-1 /05367 /DEP UKRS, KRS /06034 /DEP SNL /07420 /DEP DCA I PTR /03776 /DEP IGNR, DCA PTR /03376 /DEP JMP UKCC /05356 /DEP PTR, 07737 /LA GO /Bootstrap 2: RK8E 00023 /LA 00000 /LEA RELOC 00023 DLAG= 6743 DRST= 6745 /Not sure how this helps. 02200 /DEP /Read status START2, DRST /06745 /DEP /Harmless AND instruction. START2-1 /00023 /DEP /Wait for reasonable status. SZA CLA /07640 /DEP JMP START2 /05024 /DEP /Start a read. AC==0, so block zero. DLAG /06743 /DEP /Hang waiting for read to overlay us. JMP . /05031 /DEP 00024 /LA GO /Bootstrap 3: RX8E 00020 /LA 00000 /LEA RELOC 00020 LCD= 6751 /Load Command Register XDR= 6752 /Transfer Data Register STR= 6753 /Skip if Transfer Requested SER= 6754 /Skip if Error SDN= 6755 /Skip if Done 01061 /DEP 01046 /DEP 00060 /DEP 03061 /DEP CLA CLL CML IAC RTL /07327 /DEP 01061 /DEP LCD /06751 /DEP CLA CLL IAC /07301 /DEP 04053 /DEP 04053 /DEP RAL /07004 /DEP START3, SDN /06755 /DEP 05054 /DEP SER /06754 /DEP SNA /07450 /DEP 05020 /DEP 01061 /DEP LCD /06751 /DEP 01061 /DEP 00046 /DEP 01032 /DEP 03060 /DEP 00360 /DEP 04053 /DEP 03002 /DEP 02050 /DEP 05047 /DEP 00000 /DEP STR /06753 /DEP 05033 /DEP XDR /06752 /DEP 05453 /DEP 00420 /DEP 00020 /DEP 00033 /LA GO 00000 00000 00000 00000 /Bootstrap 4: RL8A 00001 /LA 00000 /LEA BSW= 7002 RELOC 1 06600 /DEP CLA IAC /07201 /DEP 04027 /DEP 01004 /DEP 04027 /DEP 06615 /DEP BSW /07002 /DEP RTR /07012 /DEP 06615 /DEP 00025 /DEP RAL /07004 /DEP 06603 /DEP CLA CLL CML IAC RAL /07325 /DEP 04027 /DEP 07332 /DEP 06605 /DEP 01026 /DEP 06607 /DEP CLA CLL CML IAC RTL /07327 /DEP 04027 /DEP 00377 /DEP CLA 400 /07600 /DEP 00000 /DEP 06604 /DEP 06601 /DEP 05031 /DEP 06617 /DEP 05427 /DEP 05001 /DEP 00001 /LA GO 00000 00000 00000 $