HSM before Instruction is Executed:2000 2001 2002 2003 2004 2005 2006 2007 20082 5 7 9 1 — J 1 MHSM after Instruction is Executed:2000 2001 2002 2003 2004 2005 2006 2007 20081 3 4 6 2 — J 1 MFinal Register Contents:(A)f = 2005(B), = 2004PRIPRP is setExample #3Instruction:Operation4Tape on Station PNPA Address4000Direction of Tape MovementB Address4050I17BPA_TVTUBERead-Write Headin this gapbefore instructionRead-Write Headin this gapafter instructionHSM before the Instruction is Executed:4000 - 4050 is filled with spacesHSM after the Instruction is Executed:4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 — 40501 7 B P A — T V T U B EPinal Register Contents:(A)f = 4012(B)t = 4050PRIPRN is setIX-5

Tape Read Forward Normal (4)

Introduction

The RCA 301 Code

RCA 301 Programmer's Reference Manual