.8087
INCLUDELIB LLIBCE
QFLT_TEXT SEGMENT WORD PUBLIC 'CODE'
QFLT_TEXT ENDS
QFLT_DATA SEGMENT WORD PUBLIC 'DATA'
QFLT_DATA ENDS
CONST SEGMENT WORD PUBLIC 'CONST'
CONST ENDS
_BSS SEGMENT WORD PUBLIC 'BSS'
_BSS ENDS
DGROUP GROUP CONST, _BSS, QFLT_DATA
ASSUME DS:DGROUP, SS:DGROUP
; number of 16 bit words in the entire number format
NQ = 12 ; 24, 12
; number of iterations for a divide: 3 -> 77 decimal accuracy
NQDIV = 3 ; 4, 3
; number of 16 bit words in mantissa area:
OMG = NQ-2
; byte offset to last word of mantissa area = 2*OMG+2:
OFFS = OMG+OMG+2
zmul MACRO a,b
ao = 6 + 2*a
bo = 6 + 2*b
co = 8 + 2*a + 2*b
do = 6 + 2*a + 2*b
eo = 4 + 2*a + 2*b
mov ax, word ptr es:[di]+ao
mul word ptr [si]+bo
add word ptr [bx]+co,ax
adc word ptr [bx]+do,dx
adc word ptr [bx]+eo,cx
ENDM
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(vorverarbeitet am 2026-06-28)
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