Lines Matching +full:non +full:- +full:zero

5 |	register A6 to extended-precision value in FP0.
9 | Output: Exact floating-point representation of the packed bcd value.
11 | Saves and Modifies: D2-D5
20 | Expected is a normal bcd (i.e. non-exceptional; all inf, zero,
33 | assumed following the least-significant digit.
39 | exponent equal to the exponent from A1 and the zero count
43 | SM = 0 a non-zero digit in the integer position
44 | SM = 1 a non-zero digit in Mant0, lsd of the fraction
47 | representation (ex. 0.1E2, 1E1, 10E0, 100E-1), is converted
121 moveml %d2-%d5,-(%a7)
151 clrl %d1 |zero d1 for accumulator
154 bfextu %d4{%d3:#4},%d0 |get the digit and zero extend into d0
211 bfextu %d4{%d3:#4},%d0 |get the digit and zero extend
248 | 3. Add one for each zero encountered until a non-zero digit.
250 | 5. Check if the exp has crossed zero in #3 above; make the exp abs
255 | 3. Add one for each zero encountered until a non-zero digit.
257 | 5. Check if the exp has crossed zero in #3 above; clear SE.
260 | *Why 27? If the adjusted exponent is within -28 < expA < 28, than
262 | exponent towards zero. Since all pwrten constants with a power
270 | (*) d1: zero count
282 | and do append (+) or strip (-) zeros accordingly.
291 clrl %d1 |zero count reg
294 bnes ap_p_fx |if M16 is non-zero, go fix exp
295 addql #1,%d1 |inc zero count
298 bnes ap_p_cl |if lw 2 is zero, skip it
307 bnes ap_p_fx |if non-zero, go to fix exp
325 movel #PTENRN,%a1 |get address of power-of-ten table
335 tstl %d0 |check if d0 is zero
346 bnes ap_n_cl |if not zero, check digits
355 bnes ap_n_fx |if non-zero, go to exp fix
373 movel #PTENRN,%a1 |get address of power-of-ten table
383 tstl %d0 |check if d0 is zero
388 | Calculate power-of-ten factor from adjusted and shifted exponent.
405 | (*) fp1: power-of-ten accumulator
415 | - + RP RM
416 | + - RP RM
417 | - - RP RP
420 | - + RM RP
421 | + - RM RP
422 | - - RM RM
425 | - + RZ RM
426 | + - RZ RP
427 | - - RZ RP
463 bccs e_next |if zero, skip the mul
467 tstl %d0 |check if d0 is zero
468 bnes e_loop |not zero, continue shifting
479 | ( ) fp1: scaling factor - 10**(abs(exp))
503 moveml (%a7)+,%d2-%d5