Operating Instructions and procedures for the LEO II M1/3 Test Programme. Comprises:
- Halt Code Location/Error Location lists;
- Programme Control Constants (2447 M.);
- Section References (2447 M.);
- Inter Stage References (2447 M.);
- Patterns ref M1/2 section 4 (2858 M(A));
- Order Constants. Ref M1/2 (2447 M.);
- Preparatory (2447 M.);
- Test + and - sequence change 4.0.2 & 4.0.3. Ref M1/4 (2447 M.);
- Test + and - sequence change 4.0.2 & 4.0.3. Ref M1/5 (2447 M.);
- Test non-zero sequence change 4.0.1. Ref M1/6 (2447 M.);
- Test non-zero sequence change 4.0.1. Ref M1/7 (2447 M.);
- Test zero sequence change 4.0.0. Ref M1/8 (2447 M.);
- Test zero sequence change 4.0.0. Ref M1/9 (2447 M.);
- Shift test, positive. Ref M1/10 (2447 M.);
- Shift test, positive. Ref M1/11 (2447 M.);
- Shift test, positive. Ref M1/12 (2447 M.);
- Shift test, positive. Ref M1(B) (2447 M.);
- Shift test, negative. Ref M1/14 (2447 M.);
- Shift test, negative. Ref M1/15 (2447 M.);
- Shift test, negative. Ref M1/16 (2447 M.);
- Shift test, negative. Ref M1/17 (2447 M.);
- Shift test, negative. Ref M1/18 (2447 M.);
- Shift test, negative. Ref M1/19 (2447 M.);
- Shift test, negative. Ref M1/20 (2447 M.);
- Shift test: test suppression at bottom of R8 and top of R9. Ref M1/21 (2447 M.);
- D20 suppression test. Ref M1/22 (2447 M.);
- Test add/transfer short. Ref M1/23 (2447 M.);
- Test add/transfer long. Ref M1/24 (2447 M.);
- Test positive multiplication (23/13) long multiplier. Ref M1/25 (2447 M.);
- Test positive multiplication (23/13) long multiplier. Ref M1/26 (2447 M.);
- Test positive multiplication (23/13) long multiplier. Ref M1/27 (2447 M.);
- Test positive multiplication (23/13) long multiplier. Ref M1/28 (2447 M.);
- End sign. Ref M1/End.
- Test positive multiplication (23/13) short multiplier. Ref M1/29 (2447 M.);
- Test positive multiplication (23/13) short multiplier. Ref M1/30 (2447 M.);
- Test positive multiplication (23/13) short multiplier. Ref M1/31 (2447 M.);
- Test positive multiplication (23/13) short multiplier. Ref M1/32 (2447 M.);
- Test negative multiplication (23/15) long multiplier. Ref M1/33 (2447 M.);
- Test negative multiplication (23/15) long multiplier. Ref M1/34 (2447 M.);
- Test negative multiplication (23/15) long multiplier. Ref M1/35 (2447 M.);
- Test negative multiplication (23/15) long multiplier. Ref M1/36 (2447 M.);
- Test negative multiplication (23/15) short multiplier. Ref M1/37 (2447 M.);
- Test negative multiplication (23/15) short multiplier. Ref M1/38 (2447 M.);
- Test negative multiplication (23/15) short multiplier. Ref M1/39 (2447 M.);
- Test negative multiplication (23/15) short multiplier. Ref M1/40 (2447 M.);
- Test round off (12.1). Ref M1/41 (2447 M.);
- Test collation (23/25). Ref M1/42 (2447 M.);
- Test collation (23/25). Ref M1/43 (2447 M.);
- SR1 Positive multiplication long multiplier (23/13/12). Ref M1/SR1 (2447 M.);
- SR2 Positive multiplication long multiplier (23/13). Ref M1/SR2 (2447 M.);
- SR3 Positive multiplication long multiplier (23/15/12.0.1). Ref M1/SR3 (2447 M.);

- SR4 Negative multiplication short multiplier (23/15). Ref M1/SR4 (2447 M.).

The draft version of this file is also held in the archive: CMLEO/DC/WF/LM1/3

Provenance :
From David Caminer's papers. Originally filed with LEO Flowchart tracings, 1953-4 (CMLEO/DC/WF/PRG/13; DTC/1/4/2).