Name that Instruction set.

This is from an era when SPS , AutoCoder and CardSytems were fashionable!

(Author unknown - SALVO HONORES ET TITULIS)

InstructionMeaning
---------------------------

BAHBranch and Hang
IIBIgnore interrupt and branch
TDBTransfer and drop bits
DODivide and overflow
DCDivide and conquer
SRZSubtract and reset to zero
PICPunch invalid character
SSJSelect STACKER and jam
RASTRead and shred tape
CMIClobber MONITOR immediately
SRSDSeek record and scar DISK
BSTBackspace and stretch tape
RIRGRead inter record gap
UDRUpdate and delete record
RSRandom slew
SSBScramble status byte
EDRExecute destructive read
EIOCExecute invalid OP code
EPExecute programmer
ERMErase reserved memory
PBDPrint and break drum
MLRMove and lose record
CRNConvert to Roman numerals
IDPSIgnore disk protection switch
HCFHalt and catch fire
FOPC(Set) false out-of-paper condition
WUPOWad up printer output
IEOFIgnore end of file
DWITDo what I'm thinking
PPLPerform perpertual loop
ZDZap directory
DSHDestroy sector heading
DAPDeselect active peripheral
SMDSpontaneous memory DUMP
(use only when payroll checks are loaded)
SFTTStrip form tractor teeth
HRPRHang up ruin printer ribbon
ACQTAdvance clock to quitting time
RCFBRead cardfile backwards
IDIInvoke devine intervention
Assembler 'I wish' instructions - more here...

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