


IBM 370 MODEL 69 FEATURES AND DEVICES
                       (Downward Compatible With IBM 360/69)*

This document appeared out of thin air--we kindly thank A. Nonyous for contributing it for our edification.

INPUT-OUTPUT

Early Card Lace               Feed Card and Jam Backspace Disk
Read Card and Scramble Data   Backward Space Card Reader Eat Card
Rewind Card Reader            Read Print and Blush Punch Disk
Update In Place On Card       Read Invalid Data Fruit Punch
Write Invalid Data            Erase Card Punch Punch Operator
Read Unhappy Macnam           Forms Skip and Run Away Read Chaos
Stacker Upset                 Print and Smear Scatter Print
Print and Break Chain         Print and Cut Ribbon Stretch Tape
Stacker Select Disk           Rewind and Break Tape Slip Disk
Write Wrong Record Length     Change Tape Density in Mid-Record
Make Tape Invalid             Switch to Zero Density Change Channels
Write Past End of Tape        Read and Write While Ripping Tape
Write New Hit Record          Write Noise Record Hide and Seek
Read Inter-Record Gap         Update and Erase Record Eject Disk
Seek Record and Scar Disk     Read Count Key and Garbage Scramble Channels
Write To Protected File       Write Count Key and Garbage Snare Drum
Garbage Count Key and Read    Scatter Multiplexor Channel
Burst Selector Channel        Skip To Random Channel
Reverse Drum Immediate        Sharpen Light Pen
Random Access Card I/O

ARITHMETIC

Accumulate Trivia             Triple Pack Decimal Add Improper
Subtract and Reset To Zero    Add and Reset To Zero
Multiply and Lose Precision   Divide and Overflow
Divide and Conquer            Abnormalized Floating Point
Sinking Floating Point        Sliding Floating Point
Vanishing Floating Point

DATA MANIPULATION

Move and Lose Record          Move and Wrap Core Move Continous
Gulp and Store Bytes          Burp and Clear Bytes Move Devious
Move and Drop Bits            Memory Bank Holdup Move Bowels
Circualte Memory              Convert To Garbage
Load and Clear Core









SPECIAL AND CUSTOM FEATURES

1401 Incompatibility          407 Emulation 370 Emulation
Read-In Only Storage          Erase Read-In Only Storage 370 Immolation
Chinese Character Set         Execute Invalid Op-Code Concoct Data
Pessimising Software          Random Bug Generator Memory Prosthesis
Uncouple CPUs and Branch      (Factory Installation Only) Virtueless Memory
Memory Left Shift and Branch  Convert To Roman Numerals Reduce Throughput
                              (Italian Market Only)
Alfred E. von Neuman Architecture
     Shiftless Registers
     CMIL Memory
     Chocolate Chips
     Trivalent Bits

LOGIC AND CONTROL

Vary Immediate                Illogical Or Ilogical AND
Branch and Loop Continous     Branch On Programmer Debugging
Branch On Missing Index       Lose Message and Branch Branch On Bug
Develop Ineffective Address   Transfer and Lose Return Bug On Branch
Branch On Power Off           Branch On Burned-Out Indicator
Branch On Blinking Indicator  Swipe "Emergency Pull" Knob Load Operator
Branch on CE Ground           Halt and Catch Fire Byte Operator
Branch On Chip Box Full       (Privileged OP) Execute Operator
Branch On Phase Of Moon       Branch On Donder On Blitzen Byte and Run
Reinitialize Meter            Ignore Supervisor Call
Trap Secretary and Halt       Call Supervisor Names
Destroy Storage Protect Key   Scramble Program Status Word
Pack Program Status Word      Electrocute DP Manager and Branch
Inquire and Ignore            Reverse Parity and Branch
Branch On Operator Sleepy     Branch On Operator Desperate
Branch and Disconnect Memory  Invert Record and Branch
Evacuate Memory               Generate Machine Check
Generate Machine and Cash     Generate Machine Check and Bounce
Byte Baudy Bit and Branch     Phone Home
Burst Bubble Memory           Random Lamp Test and Panic Operator



*Upward compatible with other 370 models
Crossword compatible with other 360's
Awkward compatible with earlier systems
