Opened 5 years ago
Closed 5 years ago
#233 closed defect (duplicate)
AL39-01 erratum: incomplete descriptions for RPD, RPL, and RPT instructions
| Reported by: | Gary Dixon | Owned by: | Eric Swenson |
|---|---|---|---|
| Priority: | major | Milestone: | MR12.8 |
| Component: | Documentation | Version: | |
| Keywords: | Cc: |
Description
The DPS/Level 86 & DPS 8M Multics Processor Manual (AL39-01C) has incomplete descriptions of the RPD, RPL, and RPT instructions. The missing details may be found in the [DPS 8 and DPS 88 Assembly Instructions (DH03-01) | http://www.bitsavers.org/pdf/honeywell/series60level66/DH02-01_dps8asm_Jun84.pdf] manual.
The missing information describes how ALM instructions set the various fields in these instructions. The more-complete GCOS manual provides these details. I have verified that these specification details are supported by the equivalent ALM instructions.
Compare AL39-01C description of RPD with the DH-03 description (page 7-333 and following). The missing information is in the Coding Format section of the DH-03 description. Items covered:
- How to set the TALLY, A, B, C fields of the instruction using RPD, RPDX, RPDA and RPDB instruction mnemonics
- How to specify the Term Cond. field using either instruction mnemonics or an octal value.
Similar information is missing from the AL39 descriptions of the RPT and RPL instructions as compared to that provided in DH-03.
Closed as duplicate of #231