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Unstandardised
(pseudo Fixed-point)
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Standardised Floating-point
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Pseudo Double-length
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Rounded
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Unrounded
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Addition and Subtraction
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330 a'=am+s AO
331 a'=am-s AO
332 a'=s-am AO
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320 am'=am+s QRE
321 am'=am-s QRE
322 am'=s-am QRE
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300 a'=am+s QE
301 a'=am-s QE
302 a'=s-am QE
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310 a'=am+s NQE
311 a'=am-s NQE
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Transfers in
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334 a'=s
335 a'=-s AO
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324 a'=s Q
325 a'=-s QE
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314 am'=s N
315 am'=-s NAO
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344 l'=sx
345 l'=sx
m'=ss
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Transfers out
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346 s'=am
a'=0
356 s'=am
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347 s'=al
l'=0
357 s'=al
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Multiplication
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352 l'=m*s EAO
353 l'=-m*s EAO
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362 am'=am*s QRE
363 am'=-am*s QRE
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342 a'=am*s QE
343 a'=-am*s QE
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372 a'=am*s EAO
373 a'=-am*s EAO
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Division
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375 al'=+a/|s|
m'=rem E
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374 am'=am/s
l'=0 E
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376 al'=+a/|s|
m'=rem EDO
377 al'=|am|/|s|
m'=rem EDO
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Standardisation and Rounding
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361 am'=a RE
354 am'=a R+AO
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360 am'=a QRE
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340 a'=a QE
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355 a'=al*8-13 Q
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Octal Shifts & Modulii
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364 ax'=8*ax
365 ax'=ax/8
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366 a'=|am| QE
367 a'=|s| QE
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Check Exponent Overflow
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341 a'=a E
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