| Function: | Normal Mode: | Executive Mode: |
| 1. Datum added
to addresses |
YES | Depends on mode bits set by
125 instruction |
| 2. Groups 13 to 17
except 170 - 173 |
(a) Modified N address to
location 1 (b) Instruction to location 2 (c) (INR) to D + 8 (d) Switch to Executive Mode (e) Set INR = 32 |
Set illegal order bit in SR64
and set parity fail to stop machine |
| 3. 170 - 173 | ditto | 170 SR #N →X
171 x → SR #N 172 n → LDG Switch to normal mode (D + 8) → INR 173 n → LDG |
| 4. Peripheral incident
(including console and timer) |
(a) Set relevant bit of SR64
(b) (INR) → D+ 8 (c) Switch to Executive Mode (d) Set INR = 16 |
Set relevant bit of SR64 |
| 5. Reservation Check
failure. Monitor point |
ditto | Not tested
No motion |
| 6. Illegal orders | ditto | Set illegal order bit in SR64
and set parity fail to stop machine |
| 7. 172 with bit in SR64
(in executive mode) |
Not applicable | Switch to Executive Mode
Set INR = 16 |
Issued April 30, 1963
L. A. C.
{The following page without date or author appears to describe the peripheral devices
of FP6000#1 at Federal Reserve Bank of New York. The rows for non Pitney Bowes devices
probably apply to other FP6000s. One aspect of character mode I/O which is not explained
is how the transfer mode parameter which the normal mode programmer supplies via the
125 instruction is transferred to the peripheral control. One possible answer is that
machines after #1 had new paper tape reader / punch controls so that the mode bits could
be sent directly to the peripheral control.
}
| READ BUS | WRITE BUS | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| device | 5 | 4 | 3 | 2 | 1 | 0 | 3 | 2 | 1 | 0 | |
| P.T. READER | Busy | X | X | Par. Fail | OP. Atten. | End | X | Stop Char. (Mode 1) | Off Line | Start | |
| P.T. PUNCH | " | X | X | " | " | " | X | Run Out Mode 1) | " | " | |
| M.I.C.R. | " | Check Over Due | Char. Over Due | " | " | " | X | X | " | " | |
| PRINTER | " | X | X | " | " | " | X | X | " | " | |
| SORTER | " | Feed On | Over Due | " | " | " | X | X | " | " | |
| TYPEWRITER INPUT | " | Stop Req | Cancel Req | " | Start | " | X | X | " | " | |
| TYPEWRITER OUTPUT | " | X | X | " | X | " | X | X | " | " | |