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typos

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This commit is contained in:
Dennis Yurichev 2015-08-13 06:16:59 +03:00
commit 897e853a42
16 changed files with 102 additions and 102 deletions
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38
src/chapter-53.md
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@ -174,7 +174,7 @@ else ; !ROUNDING-ON
sub eax,eax
shrd eax,edx,16 ;position so that result ends up
sar edx,16 ; in EAX
idivdword ptr [bp+Divisor]
idiv dword ptr [bp+Divisor]
endif ;ROUNDING-ON
shld edx,eax,16 ;whole part of result in DX;
; fractional part is already in AX
@ -224,9 +224,9 @@ jg MakeInRange
ja Quadrant1
;quadrant 0
shl bx,2
move ax,CosTable[bx] ;look up sine
mov eax,CosTable[bx] ;look up sine
neg bx ;sin(Angle) = cos(90-Angle)
move dx,CosTable[bx+90*10*4] ;look up cosine
mov edx,CosTable[bx+90*10*4] ;look up cosine
jmp short CSDone
align ALIGNMENT
@ -237,7 +237,7 @@ Quadrant1:
mov eax,CosTable[bx] ;look up cosine
neg eax ;negative in this quadrant
neg bx ;sin(Angle) = cos(90-Angle)
move dx,CosTable[bx+90*10*4] ;look up cosine
mov edx,CosTable[bx+90*10*4] ;look up cosine
jmp short CSDone
align ALIGNMENT
@ -248,11 +248,11 @@ BottomHalf: ;quadrant 2 or 3
ja Quadrant2
;quadrant 3
shl bx, 2
mov eax,CosTable[bx] ;look up cosine
neg bx ;sin(Angle) = cos(90-Angle)
movedx,CosTable[90*10*4+bx] ;look up sine
nege dx ;negative in this quadrant
jmp short CSDone
mov eax,CosTable[bx] ;look up cosine
neg bx ;sin(Angle) = cos(90-Angle)
mov edx,CosTable[90*10*4+bx] ;look up sine
neg edx ;negative in this quadrant
jmp short CSDone
align ALIGNMENT
Quadrant2:
@ -262,8 +262,8 @@ Quadrant2:
mov eax,CosTable[bx] ;look up cosine
neg eax ;negative in this quadrant
neg bx ;sin(Angle) = cos(90-Angle)
move dx,CosTable[90*10*4+bx] ;look up sine
nege dx ;negative in this quadrant
mov edx,CosTable[90*10*4+bx] ;look up sine
neg edx ;negative in this quadrant
CSDone:
mov bx,[bp].Cos
mov [bx],eax
@ -347,9 +347,9 @@ soff=soff+16
doff=doff+4
ENDM
popdi;restore register variables
popsi
popbp;restore stack frame
pop di;restore register variables
pop si
pop bp;restore stack frame
ret
-XformVecendp
;=====================================================================
@ -391,7 +391,7 @@ CXparms ends
push bp ;preserve stack frame
mov bp,sp ;set up local stack frame
push si ;preserve register variables
pushdi
push di
mov bx,[bp].SourceXform2 ;BX points to xform2 matrix
mov si,[bp].SourceXform1 ;SI points to xform1 matrix
@ -407,7 +407,7 @@ coff=0 ;column offset
imul dword ptr [bx+coff];times row 0 entry in column
if ROUNDING-ON
add eax,8000h ;round by adding 2^(-17)
adcedx,0;whole part of result is in DX
adc edx,0 ;whole part of result is in DX
endif ;ROUNDING-ON
shrd eax,edx,16 ;shift the result back to 16.16 form
mov ecx,eax ;set running total
@ -471,9 +471,9 @@ coff=coff+4 ;point to next col in xform2 & dest
roff=roff+16 ;point to next col in xform2 & dest
ENDM
popdi;restore register variables
popsi
popbp;restore stack frame
pop di;restore register variables
pop si
pop bp;restore stack frame
ret
-ConcatXformsendp
end